WO2017115901A1 - Composition anticorrosion et imperméable et film anticorrosion et imperméable l'utilisant - Google Patents

Composition anticorrosion et imperméable et film anticorrosion et imperméable l'utilisant Download PDF

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Publication number
WO2017115901A1
WO2017115901A1 PCT/KR2016/000112 KR2016000112W WO2017115901A1 WO 2017115901 A1 WO2017115901 A1 WO 2017115901A1 KR 2016000112 W KR2016000112 W KR 2016000112W WO 2017115901 A1 WO2017115901 A1 WO 2017115901A1
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WIPO (PCT)
Prior art keywords
waterproof film
waterproof
film
substrate
formula
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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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PCT/KR2016/000112
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English (en)
Korean (ko)
Inventor
임용묵
박상민
윤재호
조진욱
정인규
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DAEWHA P C CO Ltd
Korea Taconic Co Ltd
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DAEWHA P C CO Ltd
Korea Taconic Co Ltd
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Publication of WO2017115901A1 publication Critical patent/WO2017115901A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin 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
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16—Antifouling paints; Underwater paints
    • 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
    • C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces

Definitions

  • the present invention relates to a waterproof composition and a waterproof film using the same.
  • the water taken from the source is treated in a plurality of treatment tanks in a plurality of treatment tanks, purified by primary water, and supplied to homes.
  • the water treatment process may be carried out by disinfection treatment with ozone and chlorine supplied from the ozone treatment tank of the treatment tank.
  • ozone may corrode the ozone treatment tank, and in order to prevent this, research has been attempted to give ozone resistance to the ozone treatment tank.
  • thermosetting fluorine resin having a heat resistance of 328 ° C. which is a material having excellent ozone resistance
  • Embodiment of the present invention is to provide a waterproof composition having excellent waterproof properties.
  • Another embodiment of the present invention is to provide a waterproof film using the waterproof composition.
  • One embodiment of the present invention is represented by the following formula (1), the viscosity is 3,000 to 500,000 centipoise polysiloxane; And it provides a waterproof composition comprising a crosslinking agent of the formula (2).
  • R 1 to R 6 are identical or independent of one another, is H, an alkyl group or an aryl group, n is an integer of 400 to 4,000)
  • R 7 to R 11 are the same or independently from each other, H, an alkyl group or an aryl group, at least one of R 7 to R 11 is H,
  • R 13 and R 14 are the same or independently from each other an alkyl group
  • n 1 to 100
  • the mixing ratio of the polysiloxane and the crosslinking agent may be 10: 1 wt% to 10: 5 wt%.
  • Another embodiment of the present invention provides a waterproof film including the cured product of the composition.
  • the cured product may be an additive liquid silicone rubber.
  • the waterproofing film may have a potassium permanganate consumption of 1 ppm or less.
  • the waterproof film may further include a substrate, and the waterproof film may include a coating layer including the substrate and the cured product.
  • the substrate may be a glass fabric, a polyester fabric, a polyester film or a combination thereof.
  • the substrate may have a thickness of 0.001 mm to 4 mm.
  • the thickness of the coating layer may be 0.004mm to 1mm.
  • the waterproof film may further include an adhesive layer, and the waterproof film may include the cured material, the adhesive layer, and the substrate positioned between the cured material and the adhesive layer.
  • the adhesive layer may have a thickness of 0.045 mm to 0.05 mm.
  • the waterproofing film may further include a release layer in contact with one surface of the adhesive layer not in contact with the substrate.
  • the waterproof film may have a thickness of 0.05mm to 5mm.
  • the waterproof composition according to the embodiment of the present invention has excellent waterproofing characteristics, it can be used to protect the inner walls of various facilities, and has excellent ozone resistance, and can be usefully used for water purification equipment requiring ozone treatment for a long time. .
  • FIG. 1 is a cross-sectional view schematically showing the structure of a waterproof film according to an embodiment.
  • Figure 2 is a schematic cross-sectional view showing the structure of a waterproof film according to another embodiment.
  • 3 is a graph showing ozone deterioration experimental conditions.
  • a polysiloxane represented by the following Chemical Formula 1 and having a viscosity of 3,000 to 500,000 centipoise; And it provides a waterproof composition comprising a crosslinking agent of the formula (2).
  • R 1 to R 6 are the same or independently of each other, H, an alkyl group or an aryl group, and n is an integer of 400 to 4,000.
  • R 7 to R 11 are the same or independently from each other, H, an alkyl group or an aryl group, at least one of R 7 to R 11 is H,
  • R 13 and R 14 are the same or independently from each other an alkyl group
  • n is an integer from 1 to 100.
  • the alkyl group may be a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, and may be a linear, branched or chain alkyl group, and the aryl group may be a substituted or unsubstituted aryl group having 6 to 20 carbon atoms.
  • the substituent may be an acryl group, methacryl group, halogen group, amino group, mercury group, sulfone group, nitro group, phenyl group, vinyl group.
  • Polysiloxane of the formula (1) is a human inert material, it can be usefully used in the treatment tank used in the water treatment process, especially drinking water treatment process.
  • the compound has high chemical bonding strength and excellent ozone resistance.
  • it is a compound having low cold resistance and temperature dependency and low surface tension, which is excellent in water repellency and non-adhesion property. Therefore, when the polysiloxane is used for the inner wall of a facility that requires ozone treatment for a long time, excellent ozone resistance can be imparted to the inner wall, and the inner wall can be effectively protected.
  • the viscosity of the polysiloxane may be 3,000 to 500,000 centipoise, preferably 10,000 to 50,000 centipoise. In this case, the viscosity may be a value measured at room temperature (20 ° C. to 25 ° C.). If the viscosity of the polysiloxane is out of the above range, the coating may become uneven during coating to form a coating film.
  • the mixing ratio of the polysiloxane and the crosslinking agent may be 10: 0.1 wt% to 10: 5 wt%.
  • rapid-hardening may not occur well or there may be a problem of uncuring.
  • the waterproof composition may further include a solvent that is toluene, xylene, n-heptane, or a combination thereof. Since the solvent is excellent in volatility and all volatilized and removed in a subsequent curing process, it is appropriate because it does not remain when applied to a water purification tank.
  • the waterproof composition may have a viscosity of 3,000 to 500,000 centipoise of the polysiloxane of Formula 1, and may not include a solvent because it is in a gel form.
  • the waterproof composition may further include a platinum-based catalyst.
  • the platinum-based catalyst plays a role of promoting the curing reaction when curing the waterproofing composition, and Pt may be used as the kind.
  • the amount of the platinum-based catalyst may be sufficient to promote the curing reaction, and may be, for example, 0.001 part by weight to 10 parts by weight based on 100 parts by weight of the polysiloxane of Chemical Formula 1.
  • Another embodiment of the present invention provides a waterproof film including the cured product of the composition.
  • the cured product may be an additive liquid silicone rubber. That is, the cured product may be an additional liquid silicone rubber obtained by curing the waterproof composition comprising the polysiloxane of Formula 1 and the crosslinking agent of Formula 2. Additive liquid silicone rubber does not produce by-products harmful to the human body, it can be usefully used in water treatment tanks, especially drinking water treatment tanks.
  • silicone rubber does not have double bonds that react with oxygen, ozone, and ultraviolet rays in the molecular structure to generate bacteria.
  • the additive liquid silicone rubber unlike other silicone rubber, for example, high temperature vulcanizing silicon rubber (HTV: High Cured silicon rubber), condensation type liquid silicone rubber, toxic to the human body during the curing reaction It does not form a condensation product and has excellent weather resistance, so it can be useful for protecting the inner wall because it is installed on the inner wall of a facility that needs ozone treatment because there is little change in physical properties even when it is left outdoors for a long time or exposed to ozone.
  • HTV High Cured silicon rubber
  • the waterproof film may have a potassium permanganate consumption of 1 ppm or less.
  • the potassium permanganate consumption can be measured by a chemical oxygen demand (COD) method, and this method is well known in the art, and thus detailed description thereof will be omitted.
  • COD chemical oxygen demand
  • the waterproofing film has a potassium permanganate consumption of 1 ppm or less, it can be usefully used in water treatment tanks, especially drinking water purification treatment tanks.
  • the waterproof film may further include a substrate, and the waterproof film may include a coating layer including the substrate and the cured product.
  • the coating layer may be located on one side of the substrate, or may be located on both sides of the substrate.
  • the substrate may be a glass fabric, polyester fabric, polyester film or a combination thereof.
  • flexibility and strength can be further improved, which is appropriate.
  • the glass fabric since the glass fabric has ozone resistance similar to that of the polysiloxane, the advantage of synergistic effect of ozone resistance can be further obtained, which is appropriate.
  • the substrate may have a thickness of 0.001 mm to 4 mm.
  • the thickness of this base material is contained in this range, the said coating layer formation is easy and strength can be further reinforced, and it is suitable. If the substrate thickness is outside the thickness range, workability may be degraded during coating and construction.
  • the thickness of the coating layer may be 0.004mm to 1mm. If the thickness of the coating layer is thin, the weather resistance is low, and if the coating thickness is high, the cost is high, and workability may be reduced.
  • the waterproof film may further include an adhesive layer, and the waterproof film may include the base material positioned between the coating layer and the adhesive layer.
  • the coating layer may be located on both sides of the substrate, in this case, the first and second coating layers located on both sides of the substrate, the adhesive layer located on one surface not in contact with the substrate of the second coating layer It may be a waterproof film having a structure to.
  • FIG. 1 illustrates a waterproof film 10 including a substrate 2 positioned between a coating layer 1 and an adhesive layer 3, and FIG. 2 illustrates a first coating layer disposed on one surface of a substrate 2.
  • FIG. 1 illustrates a waterproof film 10 including a substrate 2 positioned between a coating layer 1 and an adhesive layer 3
  • FIG. 2 illustrates a first coating layer disposed on one surface of a substrate 2.
  • the thickness of the adhesive layer may be 0.045 mm to 0.05 mm, but is not limited thereto.
  • the adhesive layer may include a silicone pressure sensitive adhesive.
  • this silicone type adhesive the mixture of polysiloxane and silicone resin can be used.
  • polysiloxane of the formula (1) may be used as the polysiloxane.
  • MQ silicone resin can be used as the silicone resin.
  • the MQ silicone resin comprises a Q unit represented by (R a 3 SiO 0. 5 ) M units represented by a and (SiO 2) b.
  • said a and b represent the integer exceeding 0, and ratio of a / b is 0.5-1.5.
  • the mixing ratio of the polysiloxane and the silicone resin may be a weight ratio of 30:70 to 90:10.
  • the mixing ratio of the polysiloxane and the silicone resin is included in the above range, there may be an advantage in that the adhesive performance is good, but there is a disadvantage in that the adhesive strength and the holding force is lowered outside the range.
  • the waterproofing film may further include a release layer in contact with one surface of the adhesive layer not in contact with the substrate.
  • a release layer a polyethylene terephthalate film, polyethylene film, or polyethylene film subjected to fluorine releasing treatment may be used, and the thickness of the deflection layer may be 0.050 mm to 0.075 mm, but is not limited thereto.
  • the release layer serves to protect the adhesive layer when the waterproof film is stored, and is not included in the inner wall structure because it is removed when attached to the inner wall.
  • a primer layer may be further included between the substrate and the adhesive layer.
  • the primer layer may also be located between the substrate and the second coating layer.
  • the bonding force between the substrate and the adhesive layer can be further improved.
  • the primer layer may include a silicone primer, and the silicone primer may include methylhydrogen polysiloxane, hydroxy terminated polydimethylsiloxane, methylvinylpolysiloxane, methylphenylpolysiloxane, or a combination thereof.
  • the thickness of the primer layer may be 0.002mm to 0.003mm, but is not limited thereto.
  • the total thickness (except the release layer thickness, including the release layer) may be 0.05mm to 5mm, suitably May be 0.1 mm to 1 mm.
  • the waterproof film thickness is in the above range, it shows better wear resistance, so it is not easily worn, can be used for a long time, adhesive coating is easier, and rigidity of the degree that is easier to adhere to the curved surface of the water purification tank. It is appropriate to have.
  • the waterproof composition according to an embodiment of the present invention can be obtained by producing a sheet in a general molding process.
  • the curing process should be performed, and the curing process may be performed at 80 ° C. to 200 ° C. for 1 minute to 10 minutes.
  • the waterproof composition may further include a solvent, and in this case, the temperature and time of the curing process may be appropriate within the range so that all used solvents are volatilized and removed according to the type of solvent used in the waterproof composition. For example, it can be adjusted by running for 1 to 10 minutes at 120 to 200 °C.
  • the waterproofing film further comprising a substrate may be prepared by impregnating the waterproofing composition on the substrate, or coating on both sides or on one side, and then curing.
  • the coating process may be generally performed by a general coating process such as gravure coating, comma coating, die coating, and the like.
  • the curing step can be carried out in the same manner as the above conditions.
  • the waterproof composition after coating the waterproof composition on the substrate to form a coating layer, it may further form an adhesive layer, a primer layer and a release layer.
  • the process for producing such a waterproof film may be any process known in the art, and because it is well known in the art, detailed processes will be omitted herein.
  • the waterproof film according to an embodiment of the present invention having such a configuration when irradiated with 10ppm of ozone, a long time, for example about 4 Since cracking hardly occurs even after weeks, it may be usefully used in a field requiring ozone treatment for a long time.
  • the waterproofing composition or waterproofing film according to an embodiment of the present invention is a wastewater treatment facility, water treatment facility, anti-fouling vessels, neutralization of concrete structures, food storage tank method, fish farm internal method, chemical storage tank inside It can be used in various fields such as corrosion prevention of steel pipes, corrosion protection, and corrosion protection of steel structures .
  • Polysiloxane (Viscosity 30,000 centipoise at 25 ° C.) and a crosslinking agent of Formula 2 below were mixed at a ratio of 10: 1 by weight, and 1 part by weight of Pt was added to 100 parts by weight of the polysiloxane to 100% by weight of the mixture, A waterproofing composition was prepared.
  • R 1 to R 6 is a methyl group, n is 1,000
  • R 7 , R 9 , R 10 , R 11 , R 12 , R 13 and R 14 are methyl groups, R 8 is H and m is 1.
  • the prepared waterproof composition was 7628 mm thick A glass cloth (Nittobo Co., Japan) substrate was coated on both sides with a thickness of 0.2 mm, and cured at 150 ° C. for 3 minutes, so that an additional liquid silicone rubber coating layer (0.2 mm thick coating layer on one side) was formed on the substrate. Prepared.
  • Hydroxy terminated dimethylpolysiloxane (viscosity 300,000 centipoise at 25 ° C.), silica filler and methylhydrogen crosslinking agent were mixed at a ratio of 100: 5: 2.5 by weight, and 20 parts by weight of toluene solvent was added to 100 parts by weight of the mixture to provide a waterproofing method.
  • the composition was prepared.
  • the waterproofing composition was coated on both sides of a 0.18 mm thick 7628 glass cloth (Nittobo, Japan) substrate with a thickness of 0.2 mm, and cured at room temperature for 72 hours to form a condensed liquid silicone rubber coating layer (coating layer thickness of 0.2 mm on one side).
  • the waterproof sheet formed on the substrate was prepared.
  • Vinyl terminated poly dimethylsiloxane (viscosity 1,000,000 centipoise at 25 ° C.) was dissolved in toluene to prepare a rubber composition (A) having a solid content of 50% by weight.
  • the rubber composition (A): the catalyst composition (B) was mixed at a ratio of 100: 6 by weight, thereby preparing a silicone rubber composition. Prepared.
  • the silicone rubber composition was coated on both 0.18mm thick 7628 glass cloth (Nittobo, Japan) substrate with 0.2mm thickness and cured at 230 ° C. for 10 minutes, and after curing at 200 ° C. for 12 hours, the mirrorable silicone rubber coating layer
  • the waterproof sheet formed on the substrate was prepared.
  • a room temperature curable fluorine paint (trade name: D7710, under the manufacturer's name), which is currently applied to a water treatment tank, was added to a toluene solvent and stirred to disperse completely to prepare a coating liquid having a solid content of 25% by weight.
  • the obtained product was sprayed on a 100 ⁇ m polytetrafluoroethylene film so as to have a dry coating film thickness of 20 ⁇ m, and dried at room temperature for 24 hours to prepare a water-proof film.
  • Water-proof treatment tank harmful substances detection test was performed on the waterproofing sheet prepared according to Example 1 and Comparative Examples 1 and 2, the results are shown in Table 1 below.
  • Example 1 Comparative Example 1 Comparative Example 2 Potassium permanganate consumption (standard 1 mg / L) 0.2 2.5 0.9 Formaldehyde (Baseline 0.008 mg / L) Not detected Not detected Not detected Chlorine ion (25 mg / L) Not detected Not detected Not detected Residual Chlorine Reduction (0.7 mg / L) Not detected Not detected Not detected Evaporation residue (50 mg / L standard) 11 102 67 smell clear There is a problem.
  • Example 1 As shown in Table 1, since the waterproof film of Example 1 satisfies all sanitary safety standards, it can be seen that it can be usefully used in drinking water purification facilities. On the other hand, the waterproof film of Comparative Example 1 had an abnormality in odor and exceeded the reference value in the evaporation residue and potassium permanganate consumption. It was found that it is not suitable for application to drinking water purification facilities because the odor was found abnormally.
  • Comparative Example 1 element Content (% by weight) Content (atomic%) Before ozone irradiation C 26.33 27.92 O 25.76 24.55 Si 47.58 47.20 After ozone irradiation C 27.08 27.94 O 24.11 22.74 Si 48.72 49.23
  • the waterproof film of Example 1 does not deform its components and properties even when exposed to ozone, that is to maintain physical properties It can be seen that.
  • Table 3 when the waterproof film of Comparative Example 1 is exposed to ozone, it can be seen that the component is somewhat changed, in particular, it can be seen that the O and Si components are changed a lot.
  • the waterproof film results of Comparative Example 3 shows that the silicon component contained in the fluorine-based paint, as shown in Table 4, since the element composition is significantly changed by ozone irradiation, when exposed to ozone It can be seen that physical properties cannot be maintained.
  • the waterproofing films prepared according to Comparative Examples 1 and 2 do not meet the hygiene safety standards, and are not suitable for application to drinking water purification facilities.
  • the release layer was removed from the prepared waterproofing film for ozone treatment tank and attached to the chamber wall.
  • the chamber was then filled with water and then treated with ozone.
  • Ozone treatment conditions were carried out in accordance with RS-KCL-2010-0002 regulations (SPS KWWA M 000215 regulations in Korea Water and Sewage Association), the dissolved ozone concentration in ozone water was (10 ⁇ 1) mg / L, the chamber temperature was 20 After maintaining at 3 ° C. for 3 hours, the temperature was raised to 40 ° C. for 1 hour, and then maintained at 40 ° C. for 3 hours, and then adjusted to the condition of falling to 20 ° C. over 1 hour, for a total of 8 hours in 1 cycle. It was.
  • the water level of ozone water was made into the low water level for 1 hour and the low water level for 1 hour. Cycle conditions of temperature and water level are shown in FIG. 5. Thus, 8 cycles of treatment were made into 1 cycle, and total 84 cycles were repeated. After the cycle was completed, the film was removed from the chamber and washed with distilled water to obtain a film after ozone treatment.
  • the mass of the waterproof film prepared according to Example 1 and Comparative Example 3 was measured to the third decimal place, and after ozone treatment washed with distilled water, the film was rolled in a 0 ° C. chamber for at least 24 hours to remove all water. , It was stored for 30 minutes under standard conditions (20 ° C), and the mass was measured to the third decimal place.
  • Example 1 Using the following formula 1 from the measured values were calculated the weight reduction, the result of Example 1 is 95.7 g / m 2 was obtained, and this, in Comparative Example 3 was a 79.57 g / m 2 was obtained. Therefore, in Example 1, it can be seen that there is almost no mass loss due to the ozone treatment, but Comparative Example 3 shows that the mass loss is severe.
  • Mass loss (g / m 2 ) [film mass before ozone treatment (g)-film mass after ozone treatment (g)] / film area (m 2 )
  • the bonding performance test and the water permeability performance was measured by the following method (domestic organization standard: SPS-KWWA-M211-6246; 2015).
  • Permeability resistance test method was prepared by attaching the film prepared according to Example 1 and Comparative Example 3 using an adhesive on a cement mortar plate, and put the specimen in water and pressure 0.1N / mm 2 for 3 hours After the addition, it was taken out, wiped off the moisture of the specimen, split in half, and then carried out in such a manner as to determine how much water had penetrated the mortar plate under the sheet.
  • the waterproof film prepared according to Example 1 was not water-permeable at 0.1 N / mm 2 water pressure
  • the waterproof film of Comparative Example 3 was water-permeable at 0.1 N / mm 2 water pressure.
  • the waterproofing film produced according to Example 1 was free from cracking, rusting and dropping of the joints, and the mass loss amount was not more than 10 g / m 2 , not permeable at 0.1 N / mm 2 water pressure, and the bonding performance was 90%. It can be seen that the above ozone performance test conditions are satisfied .

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Abstract

La présente invention concerne une composition anticorrosion et imperméable et un film anticorrosion et imperméable l'utilisant. La composition anticorrosion et imperméable est exprimée par la formule chimique 1, et contient : un polysiloxane ayant une viscosité de 3 000 à 500 000 cP ; et un agent de réticulation de formule chimique 2.
PCT/KR2016/000112 2015-12-30 2016-01-06 Composition anticorrosion et imperméable et film anticorrosion et imperméable l'utilisant Ceased WO2017115901A1 (fr)

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KR10-2015-0190330 2015-12-30
KR1020150190330A KR101818756B1 (ko) 2015-12-30 2015-12-30 방수방식 조성물 및 이를 이용한 방수방식 필름

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* Cited by examiner, † Cited by third party
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