WO2006062209A1 - 粘土膜製品 - Google Patents
粘土膜製品 Download PDFInfo
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- WO2006062209A1 WO2006062209A1 PCT/JP2005/022702 JP2005022702W WO2006062209A1 WO 2006062209 A1 WO2006062209 A1 WO 2006062209A1 JP 2005022702 W JP2005022702 W JP 2005022702W WO 2006062209 A1 WO2006062209 A1 WO 2006062209A1
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- WO
- WIPO (PCT)
- Prior art keywords
- clay
- film
- film according
- resin
- adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/12—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
- B32B19/06—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to a fibrous or filamentary layer
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/105—Ceramic fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/206—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/02—Inorganic compounds
- C09K2200/0243—Silica-rich compounds, e.g. silicates, cement, glass
- C09K2200/0252—Clays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/21—Circular sheet or circular blank
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31598—Next to silicon-containing [silicone, cement, etc.] layer
Definitions
- the present invention relates to a clay film and a method for producing the same, and more specifically, an electrical insulator having mechanical strength that can be used as a self-supporting film, high flexibility, and high heat resistance.
- the present invention relates to a new clay film having excellent heat insulation and water resistance, and a product thereof.
- the present invention is an electrical insulator that has mechanical strength that can be used as a self-supporting film and has high flexibility and high heat resistance in the technical field of clay thin film production technology and its products. It was developed based on the fact that it was difficult to produce a clay film that can contain various chemical substances inside the film with low thermal conductivity, and its development was strongly requested. New technology related to clay films, electrical insulating materials, heat insulating materials, etc. that have mechanical strength that can be used as self-supporting films, and also have excellent flexibility, thermal stability, and porosity. Provide new products.
- silica vapor deposition film that is transparent and excellent in gas-noisy properties.
- this silica vapor deposition film is an organic compound film, so it should be used under high temperature conditions exceeding 350 ° C. I can't.
- These gas shielding materials are not only used as knocks, but are also wound around the joint thread, around the tube, and around the flat plate member. In some cases, it is used by pasting.
- a gland packing used under high temperature conditions a sheet using a clay mineral such as My strength or vermiculite is used (Patent Documents 1, 2, 3, 4). However, since these sheets cannot completely eliminate cracks and pinholes, the packings and gaskets produced by these sheets have a complete gas sealing property, and are obsolete. There is a problem.
- Non-patent Document 1 It is known that clay is dispersed in water or alcohol, and the dispersion is spread on a glass plate and left to dry to form a film with uniform particle orientation.
- the X-ray diffraction orientation sample has been prepared by this method (Non-patent Document 1).
- Non-patent Document 1 When a film is formed on a glass plate, it is difficult to peel the glass plate clay film, and it is difficult to obtain a self-supporting film, for example, when the film is cracked. was there.
- the obtained film was insufficient in brittle strength.
- Non-patent Document 2 clay thin films using the Langmuir-Blodgett Method have been produced.
- the clay thin film is formed on the surface of the substrate made of a material such as glass, and it has been difficult to obtain a clay thin film having strength as a self-supporting film.
- various methods for preparing, for example, functional clay thin films have been reported.
- a method for producing a clay thin film comprising drying an aqueous dispersion of a hydrated talcite-based intercalation compound into a film (Patent Document 1), promoting the reaction between the layered clay mineral and phosphoric acid or phosphate groups
- Patent Document 2 A method for producing a layered clay mineral thin film in which the bond structure of the layered clay mineral is oriented and fixed by applying heat treatment (Patent Document 2), coating treatment containing a complex compound of a smectite clay mineral and a bivalent or higher metal
- Patent Document 3 There are many cases including aqueous compositions.
- a clay film that has mechanical strength that can be used as a self-supporting film and has excellent flexibility.
- clay particularly clay having excellent plasticity
- such clays have excellent affinity with hydrophilic chemicals and are cheap to make composites.
- a clay having such advantages is inferior in water resistance, and when immersed, it swells and becomes brittle, and eventually cannot maintain its form.
- fabrics made of various types of fibers such as plain woven fabrics and nonwoven fabrics are commercially available. These fabrics have sufficient mechanical strength and are flexible. Further, it has characteristics such as durability against repeated bending. The heat resistance and chemical resistance of these fabrics depend on the fiber materials that make up the fabric.
- the fibers constituting the cloth include mineral fibers, glass wool, ceramic fibers, metal fibers, ceramic fibers, plant fibers, and organic polymer fibers.
- these fabrics have a problem in that they cannot completely seal the texture and do not have gas nolianess.
- a clay film is put into practical use, in many cases, the clay film is used in contact with a member made of another kind of material. At this time, it is required that the clay film and the members made of other kinds of materials be fixed, joined, etc. easily, uniformly and reliably.
- an adhesive that has high adhesion to the clay film.
- clay film when bonding clay film to other materials such as metal, glass, paper, plastic, rubber, it is considered to use an adhesive that can bond both clay film and other materials.
- adhesives can be obtained relatively easily, and clay films can be bonded to each other, or clay films and other kinds of materials can be bonded with an adhesive.
- an adhesive using a polar solvent has a problem that the clay film swells.
- the clay film itself since the clay film itself has a high gas noria property, it takes time to dry, making it difficult to form a thick film.
- Patent Document 1 JP-A-6-95290
- Patent Document 2 JP-A-5-254824
- Patent Document 3 Japanese Patent Laid-Open No. 2002-30255
- Patent Document 4 Japanese Patent Application Laid-Open No. 50-2699
- Patent Document 5 Japanese Patent Laid-Open No. 53-39318
- Patent Document 6 Japanese Patent Laid-Open No. 55-142539
- Patent Document 7 JP-A-5-262514
- Non-Patent Document 1 Haruo Shiramizu “Clay Mineralogy Basics of Clay Science”, Asakura Shoten, P. 57 (19 88)
- Non-Patent Document 2 Yasushi Umezawa, Clay Science, No. 42, No. 4, p. 218-222 (2003) Disclosure of Invention
- the present inventors have mechanical strength that can be used as a self-supporting film, and have excellent flexibility and high strength.
- the process of intensive research aimed at developing a new clay film that can be used under temperature conditions and has excellent water resistance, clay or clay and a small amount of additive, or clay and a small amount of additive and a small amount of water
- the liquid as a dispersion medium is separated into various solid-liquid separation methods, such as centrifugation.
- the present invention has a mechanical strength that can be used as a free-standing film, and also has excellent flexibility and thermal stability, and a manufacturing technique thereof, and can be used as an electrical insulating material and a heat insulating material.
- the purpose is to provide new technologies such as new materials.
- the present invention is composed of only clay, clay and a small amount of reinforcing material, or clay and a small amount of additive and a small amount of reinforcing material, has flexibility, can be used as a self-supporting film, and has heat resistance.
- a clay film characterized by having a gas-noriality and being subjected to a surface treatment.
- the main component of the clay film is natural clay or synthetic clay
- the surface treatment is one or more of water repellent treatment, waterproof treatment, reinforcement treatment, and surface flattening treatment
- the permeability coefficient for air, oxygen gas, nitrogen gas, hydrogen gas, or helium gas at room temperature is less than 1 ⁇ 10 _12 cm 2 s _ 1 cmHg _1 .
- clay a natural or synthetic product, preferably any one of natural smectite and synthetic smectite, or a mixture thereof, is added to water or a liquid mainly composed of water, Prepare a dilute and uniform dispersion.
- clay mica, Bamiki One or more members selected from the group consisting of urelite, montmorillonite, iron montmorillonite, piderite, sabonite, hectorite, stevensite, and nontronite can be used.
- the concentration of the clay dispersion is preferably from 0.5 to 15 weight percent, more preferably from 1 to 10 weight percent.
- a weighed solid or liquid additive is added to the clay dispersion to prepare a uniform dispersion.
- the additive is not particularly limited as long as it can be mixed with clay to improve the flexibility or mechanical strength of the clay film.
- coconut resin polyvinyl coconut resin, polyethylene glycol, polyacrylamide, polyethylene oxide, protein, deoxyribonucleic acid, ribonucleic acid and polyamino acid, polyvalent phenol, and benzoic acid compounds. it can.
- the weight ratio of the additive to the total solids is 30 percent or less, preferably 1 to 10 percent. At this time, if the ratio of the additive is too low, the effect of the addition does not appear, and if the ratio of the additive is too high, the distribution of the additive and clay becomes uneven in the prepared film, resulting in The uniformity of the clay film is reduced, and the effect of addition is also diminished. Moreover, when the ratio of an additive is too high, the heat resistance of a clay film will fall.
- the weighed reinforcing material is added to the clay dispersion to prepare a uniform dispersion.
- the reinforcing material one or more of mineral fiber, glass wool, carbon fiber, ceramic fiber, vegetable fiber, and organic polymer fiber resin can be used.
- the weight ratio of the reinforcement to the total solids is not more than 30 percent, preferably 1 to 10 percent.
- the dispersion is poured into a container or applied to the surface of an object, and then the liquid as a dispersion medium is removed by drying to produce a clay film.
- the clay film can be produced by, for example, slowly evaporating the liquid, which is a dispersion, to form a film, applying the dispersion to the surface of a support, and drying and removing the liquid, which is a dispersion medium.
- a method for drying and removing the liquid as the dispersion medium for example, various solid-liquid separation methods such as centrifugation, filtration, vacuum drying, freeze vacuum drying, heat evaporation method, or a combination of these methods can be used. It is.
- the clay concentration is adjusted to 0.5 to 3% by weight, and the dispersion deaerated in advance is preferably a flat tray.
- a support such as a plastic or metal tray and kept in a horizontal condition in a forced air oven at a temperature of 30 to 70 ° C, preferably 30 to 50 ° C.
- a clay thin film is obtained by drying for about 3 hours to half a day, preferably 3 hours to 5 hours.
- the concentration of the clay is adjusted to 4 to 7% by weight, and the dispersion deaerated beforehand is flattened. It is applied to a metal plate to a thickness of 2 mm, and it is applied in a forced air oven at a temperature of 30 ° C to 100 ° C, preferably at a temperature of 30 ° C to 80 ° C for 10 minutes to 2 minutes. Dry for about an hour, preferably 20 minutes to 1 hour to obtain a clay film.
- the drying conditions are set to be sufficient to dry and remove the liquid component. At this time, if the drying speed is too slow, there is a problem that time is required for drying. Moreover, if the drying speed is too high, there is a problem that the convection of the dispersion occurs and the uniformity of the clay film is lowered. The thickness of the clay film can be obtained by adjusting the amount of solid used in the dispersion.
- the clay film When the clay film is used as a self-supporting film, the clay film is also peeled off from the container or the object surface force to obtain a clay self-supporting film. In the case where the clay thin film does not peel naturally as the support of the container or the like! In this case, it is preferable to promote the peeling by vacuuming to obtain a self-supporting film.
- the film is dried under a temperature condition of about 110 ° C. to 200 ° C. to facilitate peeling and obtain a self-supporting film. At this time, if the temperature is too low, there is a problem that peeling does not easily occur. If the temperature is too high, there is a problem that the additive tends to deteriorate.
- a chemical reaction such as an addition reaction, a condensation reaction, or a polymerization reaction is carried out by any means such as heating or light irradiation, and the components of clay, additives, and reinforcing materials or components.
- a new chemical bond can be generated to improve the gas norecity or mechanical strength of the clay film as the base material.
- a clay film added with epsilon force prolatatam which is a monomer that thermally polymerizes at 250 ° C., is subjected to a heat treatment at 250 ° C. for a predetermined time in an oven after film formation.
- a stronger molecular network structure can be formed by polymerizing and polymerizing the epsilon force prolatatum dispersed therein.
- the monomers dispersed in the clay film are polymerized and polymerized by the ultraviolet irradiation treatment after film formation, so that a stronger molecular network structure is obtained.
- mechanical strength can be improved by heat treatment in a non-polar solvent. Specifically, for example, by performing a heat treatment at 150 ° C. for a predetermined time in mineral oil, a new chemical bond is generated between or between the components of the clay, additive, and reinforcing material. Thus, the mechanical strength can be improved.
- a clay film subjected to such treatment is widely used as a substrate.
- the clay film itself constituting the surface-treated clay film of the present invention uses clay as a main raw material, and as a basic structure, for example, a layer thickness of about 1 nm, a particle diameter of about 1 ⁇ m, an aspect ratio is preferable.
- a layer thickness of about 1 nm, a particle diameter of about 1 ⁇ m, an aspect ratio is preferable.
- about 300% of natural or synthetic swellable clay is 90% by weight or more, and natural or synthetic low molecular weight polymer having a molecular size of several nm or less is composed of 10% by weight or less.
- the This clay film is produced, for example, in such a manner that layered crystals having a thickness of about 1 nm are oriented in the same direction and are stacked in a dense manner.
- the resulting clay film has a film thickness of 3 to: LOO / zm, and the gas nolia performance has a permeability coefficient of less than 1 X 10 _12 cm 2 s _ 1 cmHg _ 1 for oxygen and hydrogen, and the area is It has a large area of 100 X 40 cm or more, has high heat resistance, and does not show any decrease in gas nolia after heat treatment at 600 ° C for 24 hours.
- the clay film or clay free-standing film obtained as described above is basically hydrophilic. Therefore, it is inferior in water resistance compared with a plastic film or metal foil. Therefore, there is a problem that it swells and becomes brittle under conditions of condensation or in contact with water. In addition, it is difficult to provide high moisture barrier properties.
- the surface treatment is not particularly limited as long as the surface of the clay film or the clay self-supporting film is hydrophobized. For example, there is a coating layer preparation method.
- a fluorine-based film As a method for producing the coating layer, a fluorine-based film, a silicon-based film, a polysiloxane film, a fluorine-containing organopolysiloxane film, an acrylic resin film, a chlorinated resin film, a polyurethane resin film, a high water-repellent film
- the method include forming a plating film, a metal vapor deposition film, a carbon vapor deposition film and the like on the surface.
- examples of the film forming method include a wet method, a dry method, a vapor deposition method, and a spray method.
- the coating layer formed on the surface is hydrophobic, and as a result, water repellency on the surface of the clay film is realized.
- This treatment can be performed on either one side or both sides of the clay film, depending on the application.
- Other surface treatment methods include surface modification by chemical treatment such as silylation or ion exchange.
- the film strength is enhanced, the reinforcing effect is increased, the light scattering on the surface is suppressed, the gloss is given, the appearance is beautiful, and the transparency is increased.
- a surface flatness effect can be expected.
- the coating layer is an organic polymer
- the normal temperature range of the clay film may be defined by the normal temperature range of the material of the coating layer. Therefore, the material used for surface treatment and the film thickness are carefully selected depending on the application.
- the clay self-supporting film of the present invention can be easily cut into an arbitrary size and shape such as a circle, a square, and a rectangle with scissors, a cutter, and the like.
- the clay free-standing film of the present invention preferably has a thickness thinner than lmm and an area larger than lcm 2 .
- the clay film of the present invention has mechanical strength that can be used as a free-standing film, is an electrical insulator that has high flexibility and high heat resistance, and has low heat conductivity.
- the weight ratio of the additive to the total solid is preferably 10% or less.
- Absent Since the clay film of the present invention is mainly composed of clay, it is excellent in insulation and can be widely used as a heat-resistant insulating film. Moreover, the clay film of the present invention is excellent in heat insulating properties and can be widely used as a heat insulating film.
- the conventional material is 1.51 even at the highest density of plastic filler nanocomposite products.
- the material of the present invention has a density exceeding 1.51, and exhibits a measured value of density of 2.0 or more, for example, about 2.10.
- the material of the present invention has a density greater than 1.51, in particular a high density on the order of 1.60 to 2.50.
- the softest of the conventional materials is a commercially available sheet that also has clay and pulp fiber strength, and its bending resistance is the value of the bending resilience test as JIS L1096: 1999 “General Textile Test Method” A
- the value measured according to the law is 8. O (mN).
- the hardest clay film is HR50Z5-80H with a surface force of 3 (mN) and a back surface of 17. l (mN).
- the material of the present invention has a bending rebound test value of about 2. OmN, and at least a value lower than 8. OmN. Since it can be said that the bending resistance threshold of the conventional material and the material of the present invention is 8. OmN, this value can be used to distinguish (identify) the material of the present invention from the conventional material.
- the raw clay preferably has, for example, a primary particle having an aspect ratio (based on the number of particles) of about 320, and particularly has a high methylene blue adsorption amount and a high cation exchange capacity.
- methylene blue adsorption amount is 130mmolZlO Og
- cation exchange capacity is 110meqZlOOg
- 2% aqueous dispersion pH is 10.2
- 4% aqueous dispersion viscosity is 350mPa's
- aqueous dispersion median diameter is 1.13.
- Examples have m physical properties. However, these are not limited to these and can be used in the same manner as long as they have the same or equivalent physical properties.
- Tsukifu clay from Yamagata Prefecture and materials made mainly from these are preferably used.
- the material of the present invention has no abnormalities (high heat resistance) in the thermal cycle test (100-600 ° C, 30 cycles), and the electrical resistance has a volume resistivity (500V) of 2.3 X 10 7 Q m QlS K6911 : 1995) (highly insulating), for example, used as a flexible substrate material.
- the material of the present invention has, for example, the following characteristic values as other characteristics.
- Permeability coefficient for oxygen and hydrogen is less than l X 10 _12 cm 2 s _ 1 cmHg _1 , elongation at break: 2.2 %, tear test (JISK 6252: 2001): 33.4 N / mm, oxygen index (JIS K7201 : 1995):> 94.0, specific heat: 1.19jZg'K, thermal diffusivity: 1.12 X 10 _7 m 2 Zs, thermal conductivity: 0.27 WZm * K, thermal expansion coefficient (-100-100).
- the main component is clay, clay and a small amount of additive, or clay and a small amount of additive and a small amount of reinforcing material, and a structure in which the lamination of clay particles is highly oriented. It has mechanical strength and flexibility that can be used as a free-standing membrane, and has a permeability coefficient of 1 X 10 " 12 Cm 2 S for air, oxygen gas, nitrogen gas, hydrogen gas, or helium gas at room temperature A clay film characterized by being less than _1 cmHg _1 can be provided.
- the weight ratio of the additive to the total solid is preferably 30 percent or less, and the weight ratio of the reinforcing material to the total solid is preferably 30%. It is as follows.
- the clay film of the present invention is used as a self-supporting film from which the container or object surface force is also peeled off or supported on the container or object surface.
- This clay film has the characteristics that it is a self-supporting film, flexible, easy to process, easy to function, and has a thickness of, for example, 3 to: LOO / zm, orientation is micrometer, and nanometer is highly oriented.
- the tensile strength of this clay film cage IS K7127 is characterized by 30MPa or more.
- the gas noria property is less than the measurement limit value with helium (equivalent to aluminum foil), the heat resistance is 600 ° C, the gas barrier property is not reduced after 24 hours treatment, and the tensile strength is equivalent to polypropylene. is there.
- the water-imperviousness has a permeability coefficient of 2 X 10 _ 1 cmZsec or less. In this clay film, high gas noriality can be obtained especially by increasing the proportion of clay as the main component.
- the clay film of the present invention itself uses clay as a main raw material, and as a basic structure, for example, a natural or synthetic material having a layer thickness of about 1 nm, a particle diameter of about 1 ⁇ m, and an aspect ratio of about 300 is preferable.
- a natural or synthetic material having a layer thickness of about 1 nm, a particle diameter of about 1 ⁇ m, and an aspect ratio of about 300 is preferable.
- the composition are: 90% by weight of the expandable clay, and 10% by weight of the additive of a natural or synthetic low molecular weight polymer having a molecular size of several nm.
- This clay film is produced, for example, so that layered crystals having a thickness of about 1 nm are oriented in the same direction and stacked densely.
- the resulting clay film has a film thickness of 3 to: LOO / zm, and gas nolia performance has a permeability coefficient of less than 1 X 10 _12 cm 2 s _1 cmHg _1 for oxygen and hydrogen, and the water barrier is water permeable
- the coefficient is 2 x 10_1 (> c mZsec, the area can be increased to 100 x 40 cm or more, it has high heat resistance, and it is gas-nourial even after heat treatment at 600 ° C for 24 hours. There is no decline.
- a weighed reinforcing material is added to a clay dispersion to prepare a uniform dispersion.
- the reinforcing material one or more of mineral fiber, glass wool, carbon fiber, metal fiber, ceramic fiber, vegetable fiber, and organic polymer fiber can be used.
- the ceramic fiber include alumina, zirconium, carbonized carbide, nitrided silicon, and boron nitride.
- the organic polymer fiber include polyester, polyamide, polyimide, polyurethane, polyacrylic acid, polybulal alcohol, polyether, ethylene butyl alcohol copolymer, acrylic acid copolymer polymer, and polysaccharide.
- cloth and clay force are also configured, have flexibility, can be used as a self-supporting film, have heat resistance, have gas noria properties, air, oxygen gas at room temperature.
- This multilayer film has a permeability coefficient of less than 1 X 10 _12 cm 2 s _1 cmHg _1 for air, oxygen gas, nitrogen gas, hydrogen gas, and helium gas after heat treatment in a normal air atmosphere at 600 ° C for 24 hours
- the weight loss from 200 ° C to 600 ° C is 5% or less in the differential thermal analysis under normal air atmosphere.
- the clay layer is present on one side or both sides of the cloth, or the cloth is present on both sides of the clay layer, or includes these structures.
- the multilayer film of the present invention is composed of clay alone, clay and a small amount of additive, clay and a small amount of additive, or clay, a small amount of additive and a small amount of reinforcing material.
- the main constituent of the clay layer is natural clay or synthetic clay.
- the chemical reaction such as an addition reaction, a condensation reaction, or a polymerization reaction is performed by any method and means such as heating and light irradiation, and the components of the clay, the additive, and the reinforcing material are the same.
- a multilayer film in which a new chemical bond is formed between components to improve water resistance, gas barrier property, or mechanical strength is also targeted.
- surface treatment may be performed for the purpose of water repellency, waterproofing, reinforcement, and surface flattening, and the surface treatment may be a fluorine-based film, a silicon-based film, a polysiloxane film, or a fluorine-containing organopolyethylene. It is possible to form a siloxane film, an acrylic resin film, a vinyl chloride resin film, a polyurethane resin film, a highly water-repellent film, a metal deposition film, and a carbon deposition film on the surface.
- the weight ratio of the additive to the total solids is preferably 30 percent or less.
- the weight ratio of the reinforcing material to the total solid is preferably 30% or less.
- the multilayer film of the present invention is used as a self-supporting film from which the surface force of the container or the object is also peeled off or supported on the surface of the container or the object.
- the multilayer film is a free-standing film, flexible, easy to process, easy to function, and has a thickness of, for example, 3 to: LOO / zm, orientation is micrometer, and nanometer is highly oriented.
- This multilayer film is characterized by a tensile strength by IS K7127 of lOMPa or more.
- the gas barrier property is less than the measurement limit with helium (equivalent to aluminum foil), the heat resistance is 600 ° C, no reduction in gas noria property after 24 hours treatment, and the tensile strength is lOMPa or more It is. In this multilayer film, especially by increasing the proportion of clay as the main component High heat resistance is obtained.
- the multilayer film of the present invention itself uses clay as a main raw material, and as a basic structure, for example, a natural or synthetic material having a layer thickness of about 1 nm, a particle diameter of about 1 ⁇ m, and an aspect ratio of about 300 is preferable.
- a composition comprising 90% by weight or more of the expandable clay and 10% by weight or less of natural or synthetic low-molecular or high-molecular additives having a molecular size of several nm or less.
- This multilayer film is produced, for example, so that layered crystals having a thickness of about 1 nm are oriented in the same direction and stacked densely.
- the obtained multilayer film has a film thickness of 3 to: LOO / zm, and gas nolia performance has a permeability coefficient of less than 1 X 10 _ 12 cm 2 s _ 1 cmHg _1 for oxygen and hydrogen, and an area of 100 X Large area over 40cm, high heat resistance, no gas noria degradation after heat treatment at 600 ° C for 24 hours.
- the present invention is a multilayer film composed of a cloth and a clay wall, has flexibility, can be used as a self-supporting film, has heat resistance, and has gas barrier properties.
- the clay layer is present on one or both sides of the cloth, the cloth is present on both sides of the clay layer, or includes these structures and is in the form of a self-supporting film or a supporting film.
- clay natural or synthetic products, preferably natural smectite or synthetic smectite, or a mixture thereof is used. Use this to add water or a liquid containing water as the main component to prepare a dilute and uniform dispersion.
- the clay one or more members selected from the group consisting of mica, vermiculite, montmorillonite, iron montmorillonite, piderite, sabonite, hectorite, stevensite, and nontronite can be used.
- the concentration of the clay dispersion is preferably from 0.5 to 15 weight percent, more preferably from 1 to 10 weight percent.
- a weighed solid or liquid additive is added to the clay dispersion to prepare a uniform dispersion.
- the additive is not particularly limited as long as it can be mixed uniformly with clay, which improves the flexibility or mechanical strength of the multilayer film.
- ethylene glycolol, glycerin, epsilon prolactam ,dextrin , Starch cellulosic resin, gelatin, agar, flour, dulten, alkyd resin, polyurethane resin, epoxy resin, fluorine resin, acrylic resin, methallyl resin, phenol resin, polyamide resin, polyester
- resin, polyimide resin, polyvinyl resin, polyethylene glycol, polyacrylamide, polyethylene oxide, protein, deoxyribonucleic acid, ribonucleic acid and polyamino acid, phenols, benzoic acid compounds, and silicone resin Can be used.
- the weight ratio of additives to total solids is 30 percent or less, preferably 1 to 10 percent.
- the ratio of the additive is too low, the effect of the addition does not appear, and if the ratio of the additive is too high, the distribution of the additive and clay becomes uneven in the prepared film, resulting in The uniformity of the multilayer film is reduced, and the effect of addition is also diminished. Moreover, when the ratio of the additive is too high, the heat resistance of the multilayer film is lowered.
- the weighed reinforcing material is added to the clay dispersion to prepare a uniform dispersion.
- the reinforcing material one or more of mineral fiber, glass wool, carbon fiber, ceramic fiber, vegetable fiber, and organic polymer fiber resin can be used.
- the weight ratio of the reinforcement to the total solids is not more than 30 percent, preferably 1 to 10 percent.
- the proportion of the reinforcing material is too low, the effect of addition does not appear, and if the proportion of the reinforcing material is too high, the distribution of the reinforcing material and the clay becomes uneven in the prepared membrane, resulting in The uniformity of the clay film is reduced and the effect of the addition is also diminished.
- the order of addition of the reinforcing material and the additive is not necessarily decided first, and either may be added first.
- this dispersion liquid is applied to the surface of the support that is spread on the cloth and spreads in contact with the cloth, and then the liquid as the dispersion medium is dried and removed from the cloth and the clay layer.
- a multilayer film is produced.
- the cloth include organic polymer fibers, silica fibers, alumina fibers, glass fibers, ceramic fibers, an intermediate composition thereof, or a composite composed of two or more of these.
- the material of the cloth it is preferable to use an inorganic material when heat resistance of 300 ° C. or higher is required.
- heat-resistant organic polymers such as aramid fiber, fluorine-based resin, amide resin, and imide resin are used depending on the conditions of use. Cloth can be used. Also, what is called paper made of organic polymer fibers is also included in the category of cloth. The present invention In this case, the fabric means that these fibers or materials equivalent or similar to them are included.
- the cloth when the cloth is used as a support film, it is conceivable to apply the dispersion liquid by adhering or fixing the cloth to an object and pouring the dispersion liquid. A dispersion layer is formed so that air bubbles do not enter between the cloth and the clay film, and clay fine crystals enter the eyes of the cloth to obtain a dense multilayer film.
- a liquid as a dispersion is slowly evaporated to form a film.
- methods such as applying the dispersion liquid to the surface of the support and drying and removing the liquid as the dispersion medium.
- the method for drying and removing the liquid as the dispersion medium include various solid-liquid separation methods such as centrifugation, filtration, vacuum drying, freeze vacuum drying, and heat evaporation, or a combination of these methods. Is possible.
- a support such as a flat tray, preferably a plastic or metal tray, and the clay concentration is set to 0.
- the dispersion adjusted to 5 to 3 weight percent and pre-degassed in advance, is also poured on the cloth, keeping it horizontal, in a forced air oven at a temperature of 30 to 70 ° C, preferably 30 And dried under a temperature condition of from 3 to 50 ° C for about 3 hours to half a day, preferably 3 hours to 5 hours, to obtain a two-layer multilayer film.
- a multilayer film composed of three layers in which a clay layer is formed on both sides of the cloth can be obtained.
- a multilayer film composed of three layers in which the clay layer is sandwiched with a cloth can be obtained by sticking each other before the clay layer is completely dried.
- An adhesive can be used when a multilayer film having a force of three or more layers is manufactured.
- the drying conditions are set to be sufficient to dry and remove the liquid component. At this time, if the drying speed is too slow, there is a problem that time is required for drying. Further, when the drying rate is too high, convection of the dispersion occurs, and there is a problem that the uniformity of the multilayer film is lowered.
- the thickness of the clay layer a film having an arbitrary thickness can be obtained by adjusting the amount of solid used in the dispersion.
- the multilayer film is also peeled off from the container or object surface force to obtain a clay free-standing film.
- the clay thin film does not peel naturally as the support of the container or the like!
- peeling can be further promoted by high-temperature treatment.
- the high temperature treatment at this time can be performed at temperatures up to 700 ° C.
- a method for peeling the film a method for facilitating peeling by applying a solvent such as alcohol is exemplified.
- the clay film or the clay self-supporting film obtained as described above is basically hydrophilic and therefore has poor water resistance compared to plastic films and metal foils. Therefore, there is a problem that it swells and becomes brittle under conditions of condensation or in contact with water. In addition, it is difficult to provide high moisture barrier properties.
- the surface treatment is not particularly limited as long as the surface of the clay film or the clay self-supporting film is hydrophobized. For example, there is a coating layer preparation method.
- a fluorine-based film, a silicon-based film, a polysiloxane film, a fluorine-containing organopolysiloxane film, an acrylic resin film, a chlorinated resin film, a polyurethane resin film, a high water-repellent film There are some which form a plating film, metal deposition film, carbon deposition film, etc. on the surface. In this case, there are methods such as a wet method, a dry method, a vapor deposition method, and a spray method as a film forming method.
- the coating layer formed on the surface is hydrophobic, and as a result, the water repellency of the clay film surface is realized. This treatment can be performed on only one side or both sides of the clay film, depending on the application. I can.
- Other surface treatment methods include surface modification by chemical treatment such as silylation and ion exchange.
- the normal temperature range of the clay film may be defined by the normal temperature range of the material of the coating layer. For this reason, the material used for the surface treatment and the film thickness are carefully selected depending on the application.
- the weight ratio of the additive to the total solid is preferably 10% or less. This is not the case if heat resistance is not required. Since the multilayer film of the present invention is mainly composed of clay, it has excellent insulation and can be widely used as a heat-resistant insulating film. Moreover, the multilayer film of the present invention is excellent in heat insulating properties and can be widely used as a heat insulating film.
- the present invention is an adhesive clay film in which an adhesive layer is present in the clay film.
- the clay layer is mainly composed of clay, has flexibility, can be used as a self-supporting film, and has a gas barrier property.
- This adhesive clay film is characterized in that an adhesive layer is present.
- This adhesive clay film is characterized in that the permeability coefficient for air, oxygen gas, nitrogen gas, hydrogen gas or helium gas at room temperature is less than 1 X 10 _12 cm 2 s _ 1 cmHg _1 .
- the adhesive layer is present on one side or both sides of the clay film.
- the clay layer of the adhesive clay film of the present invention is composed of clay alone, clay and a small amount of additive, clay and a small amount of additive, or clay, a small amount of additive and a small amount of reinforcing material.
- the main component of the clay layer is natural clay or synthetic clay. Examples of main components of the clay layer include mica, vermiculite, montmorillonite, iron montmorillonite, piderite, sabonite, hectorite, stevensite, and nontronite.
- examples of the additive include ethylene glycol, glycerin, epsilon strength prolatatum, dextrin, starch, cellulosic resin, gelatin, agar, flour, dulten, alkyd resin, polyurethane resin , Epoxy resin, fluorine resin, vacuum Lil resin, methacrylic resin, phenol resin, polyamide resin, polyester resin, polyimide resin, polyvinyl resin, polyethylene glycol, polyacrylamide, polyethylene oxide, protein, deoxyribonucleic acid, ribonucleic acid and Examples include polyamino acids, phenols, benzoic acid compounds, and silicon rosin.
- Examples of the reinforcing material include one or more of mineral fiber, glass wool, ceramic fiber, vegetable fiber, and organic polymer fiber.
- Examples of the adhesive layer include an adhesive, or an adhesive layer composed of an adhesive and a base layer.
- a chemical reaction such as an addition reaction, a condensation reaction, or a polymerization reaction is performed by an arbitrary method or means such as heating or light irradiation, for example, and components of clay, additives, and reinforcing materials, or components
- adhesive clay films with new chemical bonds and improved water resistance, gas barrier properties, or mechanical strength are also targeted.
- surface treatment can be performed for the purpose of water repellency, waterproofing, reinforcement, and surface flattening.
- a fluorine-based film, a silicon-based film, a polysiloxane film, Fluorine-containing organopolysiloxane film, acrylic resin film, chlorinated resin film, polyurethane resin film, highly water-repellent film, metal vapor deposition film, and carbon vapor deposition film can be formed on the surface.
- the weight ratio of the additive to the total solid is preferably 30% or less, and the weight ratio of the reinforcing material to the total solid is also preferably 30% or less.
- the present clay clay film is a self-supporting film, flexible, easy to process, and easy to functionalize.
- the thickness of the clay layer is, for example, 3 to: LOO / zm Orientation is micrometer, nanometer, high orientation, It has the characteristic that it is.
- This adhesive clay film is characterized by a tensile strength according to JIS K7127 of lOMPa or higher.
- the gas noria is helium and below the measurement limit (equivalent to aluminum foil), and the tensile strength is lOMPa or more.
- high heat resistance can be obtained especially by increasing the proportion of clay as the main component and selecting a material with high heat resistance as the adhesive layer.
- the clay layer constituting the adhesive clay film of the present invention uses clay as a main raw material, and preferably has, for example, a layer thickness of about 1 nm, a particle diameter of about 1 ⁇ m, and an aspect ratio of about About 300% natural or synthetic swellable clay is 90% by weight or more, and natural or synthetic molecules with molecular size of several nm or less. Is exemplified by a composition in which the additive of a synthetic low molecular weight polymer is 10% by weight or less.
- This adhesive clay film is produced, for example, so that layered crystals having a thickness of about 1 nm are oriented in the same direction and stacked densely.
- the resulting clay clay film has a clay layer thickness of 3 ⁇ : LOO / zm, and gas nolia performance has a permeability coefficient of less than 1 X 10 " 12 cm 2 s" 1 cmHg _ 1 for oxygen and hydrogen
- the area can be as large as 100 x 40 cm or more, and the direct current electric resistance in the vertical direction with respect to the film is 1 mega ⁇ or more.
- the present invention provides an adhesive clay film that can be easily bonded or multilayered with itself or other materials, and has mechanical strength and toughness that can be used as a self-supporting film.
- the present invention provides a multilayered clay film having excellent gas barrier properties, electrical insulation properties, and flexibility.
- the present invention provides a member such as a film, sheet, pipe, or container imparted with any of gas nooriety, water vapor barrier property, and electrical insulating property by pasting the present adhesive clay film. .
- the present invention provides a method for imparting any of gas nooricity, water vapor barrier property, and electrical insulation to a film, sheet, pipe, or container by applying the present adhesive clay film.
- a liquid as a dispersion is slowly evaporated to form a film.
- methods such as applying the dispersion liquid to the surface of the support and drying and removing the liquid as the dispersion medium.
- the method for drying and removing the liquid as the dispersion medium include various solid-liquid separation methods such as centrifugation, filtration, vacuum drying, freeze vacuum drying, and heat evaporation, or a combination of these methods. Is possible.
- a flat tray preferably a plastic or metal tray is placed horizontally, and the clay concentration is 0.5 to 3 weights.
- the clay layer is dried by drying for about 3 hours to half a day, preferably 3 hours to 5 hours.
- a gel-like dispersion having a relatively high solid-liquid ratio is applied to an object to be a support and the thermal evaporation method is used, the clay concentration is adjusted to 4 to 7 weight percent,
- the degassed dispersion is applied to an object such as a metal plate to a thickness of 2 mm, and is subjected to a temperature condition of 30 to 100 ° C, preferably 30 to 80 ° C in a forced air blow oven. 10 under temperature conditions Dry for about 2 to about 2 hours, preferably 20 to 1 hour to obtain a clay layer.
- the drying conditions are set to be sufficient to dry and remove the liquid component. At this time, if the drying speed is too slow, there is a problem that time is required for drying. If the drying speed is too high, convection of the dispersion occurs and the uniformity of the clay layer is reduced.
- the thickness of the clay layer can be adjusted to an arbitrary thickness by adjusting the amount of solid used in the dispersion.
- the container or object surface force is also peeled off from the clay layer.
- the peeling is preferably promoted by evacuation.
- drying is preferably performed under a temperature condition of about 110 to 200 ° C. to facilitate peeling and obtain a self-supporting film.
- the temperature is too low, there is a problem that peeling hardly occurs.
- the temperature is too high, there is a problem that the additive is likely to deteriorate.
- peeling can be promoted by a higher temperature treatment.
- the high temperature treatment can be performed up to 700 ° C.
- the method for peeling the film include a method of facilitating peeling by applying a solvent such as alcohol.
- the clay layer obtained as described above is basically hydrophilic and therefore has poor water resistance compared to plastic films and metal foils. For this reason, there is a problem in that it swells and becomes brittle under conditions of condensation or in contact with water. In addition, it is difficult to provide high moisture barrier properties.
- the surface treatment is not particularly limited as long as the surface of the clay layer is hydrophobized. For example, there is a coating layer preparation method.
- the coating layer can be prepared by using a fluorine-based film, a silicon-based film, a polysiloxane film, a fluorine-containing organopolysiloxane film, an acrylic resin film, a chlorinated resin film, a polyurethane resin film, a highly water-repellent film, a metal. Some have deposited film, carbon deposited film, etc. on the surface. In this case, there are methods such as a wet method, a dry method, a vapor deposition method, and a spray method as a film forming method. The coating layer formed on the surface is hydrophobic, and as a result, water repellency on the surface of the clay film is realized. This treatment is performed on the surface where the adhesive layer is not formed. Other surface treatment methods include chemical treatments such as silylation and ion exchange. There is a method of reforming.
- the coating layer is an organic polymer
- the normal temperature range of the clay film may be defined by the normal temperature range of the material of the coating layer. For this reason, the material used for the surface treatment and the film thickness are carefully selected depending on the application.
- an adhesive layer is formed on at least one surface of the clay layer.
- clean the clay layer as necessary.
- the purpose of applying the primer is to improve the affinity between the clay layer and the adhesive layer, to reinforce the adherend surface, to protect the adhesive interface, and as the primer, for example, ethylene acetate bule resin . Since the clay layer has high gas noria properties and slows the drying of the adhesive, it is recommended to use a useless type adhesive. Examples of the method for forming the adhesive layer on the clay layer include application, spraying, and dip coating.
- the adhesive examples include natural product adhesives, inorganic adhesives, thermoplastic adhesives, thermosetting adhesives, rubber adhesives, cyanoacrylate adhesives, and heat resistant adhesives.
- the adhesive layer is in the form of a film and the clay layer is coated by hot pressing.
- a double-sided pressure-sensitive adhesive sheet in which these adhesive layers are applied to both sides of the substrate.
- An adhesive surface can be formed on one side of the clay layer by peeling off the release sheet on one side of the double-sided adhesive sheet and bonding it to the clay layer.
- the substrate may be an organic polymer film or a non-woven fabric.
- heat resistance can be ensured by using an acrylic material as a base.
- heat resistance can be ensured by adopting a method in which a thermosetting adhesive layer is temporarily attached with thermal lamination and then an adhesive layer of a type that is fully cured with an oven cure is applied.
- the conventional material is 1.51 even at the highest density of plastic filler nanocomposite products.
- the material of the present invention has a density exceeding 1.51, and exhibits a measured value of density of 2.0 or more, for example, about 2.10.
- the material of the present invention has a density greater than 1.51, in particular a high density on the order of 1.60 to 2.50.
- the softest of the conventional materials is a commercially available sheet that also has clay and pulp fiber strength, and its bending resistance is the value of the bending resilience test as JIS L1096: 1999 “General Textile Test Method” A
- the value measured according to the law is 8. O (mN).
- the hardest clay film is HR50Z5-80H with a surface force of 3 (mN) and a back surface of 17. l (mN).
- the material of the present invention has a bending rebound test value of about 2. OmN, and at least a value lower than 8. OmN. Since it can be said that the bending resistance threshold of the conventional material and the material of the present invention is 8. OmN, this value can be used to distinguish (identify) the material of the present invention from the conventional material.
- the raw clay preferably has, for example, a primary particle having an aspect ratio (based on the number of particles) of about 320, and particularly has a high methylene blue adsorption amount and a high cation exchange capacity.
- methylene blue adsorption amount is 130 mmol ZlO Og
- cation exchange capacity is 110 meq ZlOOg
- 2% aqueous dispersion pH is 10.2
- 4% aqueous dispersion viscosity is 350 mPa's
- aqueous dispersion median diameter is 1.13.
- Examples have m physical properties. However, these are not limited to these and can be used in the same manner as long as they have the same or equivalent physical properties.
- Tsukifu clay from Yamagata Prefecture and materials made mainly from these are preferably used.
- the material of the present invention has no abnormalities (high heat resistance) in the thermal cycle test (100-600 ° C, 30 cycles), and the electrical resistance has a volume resistivity (500V) of 2.3 X 10 7 Q m QlS K6911 : 1995) (highly insulating), for example, used as a flexible substrate material.
- the material of the present invention has, for example, the following characteristic values as other characteristics.
- Permeability coefficient for oxygen and hydrogen is less than l X 10 _12 cm 2 s _ 1 cmHg _1 , elongation at break: 2.2 %, tear test (JISK 6252: 2001): 33.4 N / mm, oxygen index (JIS K7201 : 1995):> 94.0, specific heat: 1.19jZg'K, thermal diffusivity: 1.12 X 10 _7 m 2 Zs, thermal conductivity: 0.27 WZm * K, thermal expansion coefficient (-100-100).
- the surface is water-repellent and hydrophilic, has mechanical strength that can be used as a self-supporting film, and has excellent flexibility, excellent gas barrier properties, and excellent water vapor barrier properties.
- Can provide clay film with excellent thermal stability and its manufacturing technology (2) New technology with electrical insulation and thermal insulation can provide new materials, and (3) A package with both heat resistance and flexibility New technologies such as gaskets or solid electrolyte fuel cell membranes, electrical insulating materials, and materials that can be used as heat insulating materials.
- the clay membrane product of the present invention is an asbestos alternative. The effect that it can be used suitably as a material is produced.
- the obtained dispersion is applied to a brass plate with a length of about 30 cm and a width of about 20 cm, and the plate is kept horizontal and dried in a forced air oven at 60 ° C for 1 hour.
- a uniform water-soluble polymer composite clay thin film having a thickness of about 60 micrometers was obtained.
- the produced clay thin film was also peeled off to obtain a clay film.
- the fluorine-based urethane resin is sprayed on both sides of the clay film with acetone and isopropyl alcohol solution of silicone resin and dried at room temperature. A coating layer of rosin and silicon rosin was formed. The thickness of the coating layer was about 1 micrometer.
- the permeability coefficient for air, oxygen gas, nitrogen gas, hydrogen gas, or helium gas at room temperature of the clay film was less than IX 10 _12 cm 2 s _ 1 cmHg _ 1 .
- a clay film having a high tensile strength was obtained by forming the covering layer on both sides.
- the moisture permeability of the clay film at 40 ° C and relative humidity of 90% was measured by the cup method (JIS Z0208). As a result, it was measured as one-third before coating.
- water repellency was good and water repellency was confirmed.
- a surface water-repellent clay film having low gas permeability and moisture permeability was obtained by producing coating layers on both sides.
- the obtained dispersion is applied to a brass plate with a length of about 30 cm and a width of about 20 cm, and the plate is kept horizontal and dried in a forced air oven at 60 ° C for 1 hour.
- a uniform water-soluble polymer composite clay thin film having a thickness of about 60 micrometers was obtained.
- the generated clay thin film was also peeled off to obtain a clay film.
- the acrylic resin and methylphenol are sprayed on both sides of the clay film by spraying an ethanol solution of acrylic resin and methylpolysiloxane and drying at room temperature.
- a polysiloxane coating layer was formed. The thickness of the coating layer was about 1 micrometer.
- the permeability coefficient for air, oxygen gas, nitrogen gas, hydrogen gas, or helium gas at room temperature of the clay film was less than 1 X 10 _12 C m 2 S _1 cmHg _1 .
- the tensile strength of the clay film was 21.6 MPa (jIS K7127), which was higher than the pre-coating value of 18.9 MPa.
- a clay film having a high tensile strength was obtained by producing coating layers on both sides.
- a clay film having a very low gas permeability and a stronger strength was obtained.
- the permeability coefficient for air, oxygen gas, nitrogen gas, hydrogen gas, or helium gas at room temperature of the clay film was less than 1 X 10 _12 cm 2 s _ 1 cmHg _ 1 .
- the tensile strength of the clay film according to JIS K7127 was 38 MPa or more.
- a high-strength clay film with high tensile strength was obtained by adding the reinforcing material.
- Figure 1 shows a photograph of the clay film taken with a scanning electron microscope.
- Figure 1 shows the clay film surface. It can be seen that slender glass wool runs vertically and horizontally, forming a network and reinforcing the membrane.
- the X-ray diffraction chart of this clay film (Fig.
- the permeability coefficient for air, oxygen gas, nitrogen gas, hydrogen gas, or helium gas at room temperature of the clay film was less than IX 10 _12 cm 2 s _ 1 cmHg _ 1 .
- the tensile strength of the clay film was 19 MPa. Thus, it was shown that without the reinforcing material, the tensile strength was weaker than in the case with the reinforcing material (Example 1).
- a glass plain woven fabric (Solar Glass Cloth Co., Ltd.), which is slightly smaller than that, was laid on a brass plate about 30 cm long and 20 cm wide. The thickness of the glass cloth is about 0.1 mm.
- 2 grams of natural montmorillonite (Kunipia P, manufactured by Kunimine Kogyo Co., Ltd.) as clay is added to 60 cm 3 of distilled water, placed in a plastic sealed container with a Teflon (registered trademark) rotor, and vigorously shaken. Finally, a uniform dispersion was obtained. This dispersion is applied on a plain glass cloth, left to stand horizontally, and dried in a forced air oven under a temperature condition of 60 ° C for 30 minutes to a thickness of about 0.2 mm. A multilayer film was obtained.
- the permeability coefficient of this multilayer film for air, oxygen gas, nitrogen gas, hydrogen gas, or helium gas at room temperature was less than IX 10 _12 cm 2 s _ 1 cmHg _1 .
- the thermal weight of this multilayer film Yanagi, et al., 200 ° C force, 600 ° C, the weight loss due to the caloric heat was 0.23%.
- Scanning electron micrographs (Figs. 1 and 2) show that a clay layer is densely formed on one side of a glass plain weave.
- the gas permeability coefficient was less than l X 10 _12 cm 2 s _ 1 cmHg _1 after the multilayer film was overheated at 600 ° C for 24 hours. From the above, it was shown that this multilayer film has high heat resistance. As a result of measuring the DC electrical resistance in the vertical direction with respect to the membrane by the AC two-terminal method, it was 1 mega ⁇ or more.
- Glass plain weave cloth (approx. 30cm long, 20cm wide) Lay out a glass cloth made by Solar Corporation. The thickness of the glass cloth is about 0.1 mm.
- clay 1.82 grams of natural montmorillonite (Kunipia P, manufactured by Kunimine Industry Co., Ltd.) was added to 60 cm 3 of distilled water, and placed in a plastic sealed container with a Teflon (registered trademark) rotor. Shake vigorously to obtain a uniform dispersion.
- the permeability coefficient of this multilayer film with respect to air, oxygen gas, nitrogen gas, hydrogen gas, or helium gas at room temperature was less than 1 X 10 _12 cm 2 s _ 1 cmHg _1 .
- the gas permeability coefficient was less than 1 X 10 _12 cm 2 s _ 1 cmHg _1 even after this multilayer film was overheated at 600 ° C. for 24 hours. From the above, it was shown that this multilayer film has high heat resistance. As a result of measuring the DC electrical resistance in the vertical direction with respect to the film by the AC two-terminal method, it was 1 mega ⁇ or more.
- Clay As clay, add 2 grams of natural montmorillonite (Kunipia P, manufactured by Kunimine Kogyo Co., Ltd.) to 60 cm 3 of distilled water, put it in a plastic sealed container with a Teflon (registered trademark) rotator, and shake vigorously. A uniform dispersion was obtained. This dispersion is applied to a brass plate about 30 cm long and 20 cm wide, about 2 mm thick, and left to stand horizontally, in a forced air oven at a temperature of 60 ° C. And dried for 30 minutes, and peeled to obtain a clay layer having a thickness of about 0.04 millimeters.
- natural montmorillonite Karlipia P, manufactured by Kunimine Kogyo Co., Ltd.
- the pressure-sensitive adhesive sheet has a thickness of 0.15 mm, the adhesive is a solventless acrylic clay film, and the base layer is a non-woven fabric.
- a multilayer clay film was prepared by attaching a clay layer with a thickness of about 0.04 mm to the adhesive surface of the adhesive clay film prepared in (1) above.
- the total thickness of the multilayer clay film was about 0.23 mm.
- the permeability coefficient of this multilayer clay film to helium gas at room temperature was less than l X 10 _12 cm 2 S _1 cmHg _1 . From the scanning electron micrograph (Fig. 1), it can be seen that the double-sided PSA sheet and the clay layer are uniformly and firmly bonded to form a dense film. As a result of measuring the DC electric resistance in the vertical direction with respect to the membrane by the AC two-terminal method, it was 1 mega ⁇ or more.
- Clay As clay, add 2 grams of natural montmorillonite (Kunipia P, manufactured by Kunimine Kogyo Co., Ltd.) to 60 cm 3 of distilled water, put it in a plastic sealed container with a Teflon (registered trademark) rotator, and shake vigorously. A uniform dispersion was obtained. This dispersion is applied to a brass plate about 30 cm long and 20 cm wide, about 2 mm thick, and left to stand horizontally, in a forced air oven at a temperature of 60 ° C. And dried for 30 minutes, and peeled to obtain a clay layer having a thickness of about 0.04 millimeters.
- natural montmorillonite Karlipia P, manufactured by Kunimine Kogyo Co., Ltd.
- the pressure-sensitive adhesive sheet has a thickness of 0.15 mm, the adhesive is a solventless acrylic clay film, and the base layer is a non-woven fabric.
- a multilayer film was prepared by attaching a polyethylene film having a thickness of about 0.04 mm to the adhesive surface of the adhesive clay film prepared in (1) above.
- the total thickness of this multilayer film was about 0.23 mm.
- the permeability coefficient of this multilayer film for helium gas at room temperature was less than 1 X 10 " 12 cm 2 s _ 1 c mHg _1 . This value is only for a polyethylene film with a thickness of about 0.04 mm. It was confirmed that a very small clay layer imparted gas noreia to 6 X 10 _1 cm 2 s _ 1 cmHg _1 . As a result of measurement, it was 1 mega ⁇ or more.
- a uniform water-soluble polymer composite with a thickness of about 80 micrometers which was applied in a thick thickness, allowed to stand horizontally, and dried in a forced air oven at 60 ° C for 1 hour.
- a clay thin film was obtained.
- the produced clay thin film was peeled off from the trayer to obtain a clay film.
- the clay film prepared in (1) above is immersed in mineral oil IRM903 and treated at 150 ° C for 72 hours in accordance with JISK6258: 2003 “Vulcanized rubber and thermoplastic rubber – Determination of liquid resistance”. A heat-treated clay film was obtained.
- the tensile strength of this heat-treated clay film at room temperature was 59 MPa. On the other hand, after the heat treatment, the tensile strength of the clay film was 19 MPa.
- the water repellency of the heat-treated clay film was good, and when the heat treatment was performed, the water resistance was improved compared to the clay film.
- the present invention relates to a clay film and a method for producing the same, and the surface having low moisture permeability and gas permeability is water-repellent and water-resistant, and is used as a self-supporting film. It is possible to provide a new clay film, its manufacturing technology, and its products that have possible mechanical strength and strength and excellent flexibility, and that can be used under high temperature conditions.
- the present invention makes it possible to provide a film excellent in water resistance and heat resistance.
- the clay thin film of the present invention can be used as a self-supporting film, and is excellent in water resistance, heat resistance and flexibility, and excellent in gas noliativity. Packing material can be used.
- the clay film can be easily used without producing waste liquid. It is possible to provide a method for manufacturing in a simple process.
- the present invention relates to a fiber reinforced clay film and a method for producing the same, and has mechanical strength that can be used as a self-supporting film, but has excellent flexibility and is used under high temperature conditions. New clay film and manufacturing technology can be provided.
- the present invention relates to a multilayer film, a method for producing the same, and its application, and has mechanical strength that can be used as a self-supporting film, and has excellent flexibility and high temperature conditions. New multilayer film, its manufacturing technology and its products can be provided.
- the present invention relates to an adhesive clay film, which has mechanical strength that can be used as a self-supporting film, has high gas noria properties, has excellent flexibility, and overlaps itself. Therefore, it is possible to provide a new adhesive clay film that can be made thick, easy, uniform and reliable, and can be easily, uniformly and reliably adhered to the surface of other materials. Since the clay film of the present invention is excellent in gas noliacity, insulation and heat resistance, it can be used as a substitute for gas best in the fields of knockins, gaskets, heat insulating materials, flameproofing materials, etc. .
- FIG. 1 is a view showing a photograph of a cross-section of the clay film of the present invention (the epsilon force prolatatum used and the weight percentage of the total solid of glass wool being 9% and 5%, respectively) taken with a scanning electron microscope. is there.
- FIG. 2 is an X-ray diffraction chart of a clay film.
- FIG. 3 is a diagram showing a TG-DTA chart of a clay film.
- FIG. 4 is a view showing a photograph of a plane on the clay layer side of a multilayer film of the present invention taken with a scanning electron microscope.
- FIG. 5 is a view showing a photograph of a cross section of a multilayer film of the present invention taken with a scanning electron microscope.
- FIG. 6 is a view showing a photograph of a cross section of a multilayer clay film obtained by bonding an adhesive clay film of the present invention to another clay film, taken with a scanning electron microscope.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/721,403 US8178194B2 (en) | 2004-12-10 | 2005-12-11 | Clay film product |
| EP05814763.8A EP1832553B1 (en) | 2004-12-10 | 2005-12-11 | Clay film product |
Applications Claiming Priority (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-358157 | 2004-12-10 | ||
| JP2004358627A JP4691721B2 (ja) | 2004-12-10 | 2004-12-10 | 布と粘土からなる複合膜 |
| JP2004358157 | 2004-12-10 | ||
| JP2004358783 | 2004-12-10 | ||
| JP2004-358627 | 2004-12-10 | ||
| JP2004-358732 | 2004-12-10 | ||
| JP2004358732A JP5170607B2 (ja) | 2004-12-10 | 2004-12-10 | 繊維強化粘土膜及びその製造方法 |
| JP2004-358783 | 2004-12-10 | ||
| JP2005-046324 | 2005-02-22 | ||
| JP2005-046325 | 2005-02-22 | ||
| JP2005046325A JP4836166B2 (ja) | 2004-12-10 | 2005-02-22 | 粘着粘土膜及びその使用方法 |
| JP2005046324A JP5190905B2 (ja) | 2004-12-10 | 2005-02-22 | 表面処理粘土膜 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006062209A1 true WO2006062209A1 (ja) | 2006-06-15 |
Family
ID=36578028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/022702 Ceased WO2006062209A1 (ja) | 2004-12-10 | 2005-12-11 | 粘土膜製品 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8178194B2 (ja) |
| EP (1) | EP1832553B1 (ja) |
| WO (1) | WO2006062209A1 (ja) |
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| JP2008104330A (ja) * | 2006-10-20 | 2008-05-01 | Furukawa Electric Co Ltd:The | 常温収縮型チューブユニットおよびケーブル接続構造 |
| JP2009013015A (ja) * | 2007-07-05 | 2009-01-22 | Tomoegawa Paper Co Ltd | 粘土薄膜及びそれを用いた粘土薄膜積層体 |
| US8007895B2 (en) | 2005-08-03 | 2011-08-30 | National Institute Of Advanced Industrial Science And Technology | Transparent film |
| US8206814B2 (en) | 2008-02-11 | 2012-06-26 | National Institute Of Advanced Industrial Science And Technology | Film made from denatured clay |
| CN105503153A (zh) * | 2015-12-09 | 2016-04-20 | 醴陵华鑫电瓷科技股份有限公司 | 500kv级绝缘瓷套的连续生产工艺 |
| CN107572878A (zh) * | 2017-08-22 | 2018-01-12 | 广东筑龙涂料有限公司 | 一种隔热防火仿石涂料及其制备方法 |
| CN109135566A (zh) * | 2018-08-16 | 2019-01-04 | 安徽伊法拉电气有限公司 | 一种高硬度高自洁绝缘性能优异的防污涂料的制备方法 |
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| JP5213206B2 (ja) * | 2005-09-22 | 2013-06-19 | 株式会社巴川製紙所 | 粘土薄膜の製造方法及び粘土薄膜 |
| JP4916423B2 (ja) * | 2007-11-30 | 2012-04-11 | 日東電工株式会社 | ガスバリア性物質偏在ポリマー層を有するガスバリア部材 |
| JP5582731B2 (ja) * | 2009-06-19 | 2014-09-03 | 株式会社巴川製紙所 | 耐熱性シール部材 |
| WO2011152500A1 (ja) * | 2010-06-03 | 2011-12-08 | 独立行政法人産業技術総合研究所 | 水蒸気バリア性フィルム及びその製造方法 |
| CN102060472B (zh) * | 2010-11-16 | 2013-01-30 | 昆明永瑞防腐有限公司 | 氧压酸浸高压釜专用高温防腐胶泥及其制备方法 |
| RU2474550C1 (ru) * | 2011-11-01 | 2013-02-10 | Юлия Алексеевна Щепочкина | Сырьевая смесь для изготовления строительных и теплоизоляционных материалов |
| US9209654B2 (en) | 2011-12-30 | 2015-12-08 | Clearsign Combustion Corporation | Method and apparatus for enhancing flame radiation |
| US9221691B1 (en) * | 2014-07-02 | 2015-12-29 | Sumitomo Chemical Company, Limited | Inorganic film and multilayer structure |
| KR102334395B1 (ko) | 2014-12-05 | 2021-12-01 | 삼성전자주식회사 | 배리어 코팅 조성물, 그로부터 제조되는 복합체, 및 이를 포함하는 양자점-폴리머 복합체 물품 |
| KR101900849B1 (ko) * | 2018-07-17 | 2018-09-20 | 전일랑 | 난연성 건축용 경량 패널 및 그 제조방법 |
| CN115926412B (zh) * | 2022-12-30 | 2024-10-29 | 江苏常阳科技有限公司 | 用于防水透气花盆的模塑料及其制备方法 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8007895B2 (en) | 2005-08-03 | 2011-08-30 | National Institute Of Advanced Industrial Science And Technology | Transparent film |
| JP2008104330A (ja) * | 2006-10-20 | 2008-05-01 | Furukawa Electric Co Ltd:The | 常温収縮型チューブユニットおよびケーブル接続構造 |
| JP2009013015A (ja) * | 2007-07-05 | 2009-01-22 | Tomoegawa Paper Co Ltd | 粘土薄膜及びそれを用いた粘土薄膜積層体 |
| US8206814B2 (en) | 2008-02-11 | 2012-06-26 | National Institute Of Advanced Industrial Science And Technology | Film made from denatured clay |
| CN105503153A (zh) * | 2015-12-09 | 2016-04-20 | 醴陵华鑫电瓷科技股份有限公司 | 500kv级绝缘瓷套的连续生产工艺 |
| CN107572878A (zh) * | 2017-08-22 | 2018-01-12 | 广东筑龙涂料有限公司 | 一种隔热防火仿石涂料及其制备方法 |
| CN109135566A (zh) * | 2018-08-16 | 2019-01-04 | 安徽伊法拉电气有限公司 | 一种高硬度高自洁绝缘性能优异的防污涂料的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1832553A1 (en) | 2007-09-12 |
| EP1832553A4 (en) | 2011-01-26 |
| EP1832553B1 (en) | 2017-07-05 |
| US20090274860A1 (en) | 2009-11-05 |
| US8178194B2 (en) | 2012-05-15 |
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