WO2005111120A1 - Compositions de melange maitre - Google Patents

Compositions de melange maitre Download PDF

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Publication number
WO2005111120A1
WO2005111120A1 PCT/GB2005/001794 GB2005001794W WO2005111120A1 WO 2005111120 A1 WO2005111120 A1 WO 2005111120A1 GB 2005001794 W GB2005001794 W GB 2005001794W WO 2005111120 A1 WO2005111120 A1 WO 2005111120A1
Authority
WO
WIPO (PCT)
Prior art keywords
zeolite
weight
per cent
masterbatch composition
masterbatch
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
Application number
PCT/GB2005/001794
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English (en)
Inventor
Robin Riyadh Gibson
Alexis John Toft
David George Collopy
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.)
Ineos Silicas Ltd
Original Assignee
Ineos Silicas Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ineos Silicas Ltd filed Critical Ineos Silicas Ltd
Publication of WO2005111120A1 publication Critical patent/WO2005111120A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals

Definitions

  • This invention relates to masterbatch compositions and in particular to compositions comprising an organic resin, and a zeolite.
  • Plastics masterbatch compositions are well known. They comprise resin and pigment compositions suitable for use as pigment concentrate for dilution or "let down" into various non-pigmented plastics.
  • the masterbatch or pigment concentrate is designed to be diluted and added to non-pigmented plastics to add opacity and, if necessary, colour and/or other functional additives. It is therefore necessary to include a relatively high level of pigmentation to achieve satisfactory opacity.
  • the most common opacifiying pigment used in plastic masterbatch compositions is titanium dioxide, but this is expensive. In view of the high level of pigmentation, it is necessary to use pigments with a low oil absorption, in order to minimise any deleterious effects on the properties of the masterbatch and its manufacture.
  • One object of this invention is to provide a masterbatch composition (alternatively known as a plastic pigment concentrate) with desirable properties and which is less expensive than compositions based on non-extended titanium dioxide.
  • a masterbatch composition comprises a mixture, in particulate form, of a zeolite and an organic resin, said zeolite containing less than 7 per cent water by weight as determined by heating at 800° C for 1 hour.
  • the empirical formula of a zeolite is
  • M represents a metallic cation having a valency of n
  • x/2 indicates the ratio of atoms of silicon to atoms of aluminium
  • y/2 indicates the ratio of molecules of water to atoms of aluminium.
  • M is an alkali metal and a preferred alkali metal is sodium, for economic reasons.
  • the zeolites used in this invention may have the structure of any of the known zeolites.
  • the structure and characteristics of many zeolites are described in the standard work "Zeolite Molecular Sieves" by Donald W. Breck, published by Robert E. Krieger Publishing Company.
  • the value of x in the above empirical formula is in the range 1.5 to 10.
  • Zeolites useful in this invention may be based on naturally-occurring or synthetic aluminosilicates and the preferred forms of zeolite have the structure known as zeolite P or zeolite A.
  • Particularly preferred forms of zeolite are those disclosed in EP-A-0 384 070, EP- A-0 565 364, EP-A-0 697 010, EP-A-0 742 780, WO-A-96/14270, WO-A-96/34828 and WO- A- 97/06102, the entire contents of which are incorporated herein by this reference.
  • the zeolite P described in EP-A-0 384 070 has the empirical formula given above in which M represents an alkali metal and x has a value up to 2.66, preferably in the range 1.8 to 2.66, and which is particularly useful in the present invention.
  • total water The amount of water, determined by heating at 800° C for 1 hour, (“total water”) present in the zeolite used in the invention is preferably less than 6.5 per cent by weight. More preferably, the total water in the zeolite is less than 6 per cent by weight.
  • the water present in the zeolite can produce undesirable effects if it is released during the incorporation of a masterbatch into a non-pigmented plastic.
  • An estimate of water which may be released during the incorporation of the masterbatch into a non-pigmented plastic can be obtained by heating the zeolite at 105° C for 4 hours.
  • the water loss under these conditions should preferably be below 1 per cent by weight. More preferably, the moisture content of the zeolite is below 0.8 per cent by weight.
  • the zeolite preferably has a weight mean particle size as determined by Malvern MastersizerTM in the range 0.5 ⁇ m to 6.0 ⁇ m. Preferably, the weight mean particle size is in the range 1.0 ⁇ m to 3.0 ⁇ m.
  • the organic resin which is present in the masterbatch composition can be any organic resin which is suitable for let-down to non-pigmented plastics. It may be a thermoplastic resin or a thermosetting resin as will be familiar to those familiar with the prior art.
  • Suitable thermoplastic resins include poly(vinyl chloride) and co-polymers thereof, polyamides and co-polymers thereof, polyolefins and co-polymers thereof, polystyrenes and co-polymers thereof, poly(vinylidene fluoride) and co-polymers thereof, acrylonitrile- butadiene-styrene, polyoxymethylene and acetal derivatives, polybutylene terephthalate and glycolised derivatives, polyethylene terephthalate and glycolised derivatives, polyacrylamide nylon (preferably nylon 11 or 12), polyacrylonitrile and co-polymers thereof, polycarbonate and co-polymers thereof.
  • Polyethylene and polypropylene which may be modified by grafting of carboxylic acid or anhydride groups onto the polymer backbone, are suitable polyolefins.
  • Low density polyethylene may be used.
  • a poly( vinyl chloride) may be plasticised, and preferably is a homopolymer of vinyl chloride.
  • thermosetting resins which may be used are epoxy resins, polyester resins, hybrid epoxy-polyester resins, urethane resins and acrylic resins.
  • the masterbatch compositions of the invention may additionally comprise a pigment.
  • the zeolite acts as an extender or partial replacement for the titanium dioxide.
  • a preferred masterbatch according to the invention comprises a mixture, in particulate form, of a zeolite, an organic resin and pigmentary titanium dioxide, said zeolite containing less than 7 per cent water by weight determined by heating at 800° C for 1 hour.
  • the masterbatch according to the invention usually contains from 10 to 80 per cent by weight pigmentary titanium dioxide.
  • the amount of titanium dioxide present is from 30 to 70 per cent by weight of the masterbatch, and may be present from 40 to 70 per cent by weight of the masterbatch.
  • Masterbatches pigmented with colours other than white often contain pigmentary titanium dioxide in addition to at least one coloured pigment.
  • the amount of pigmentary titanium dioxide is frequently in the range 5 to 75 weight per cent of the composition, commonly in the range 10 to 65 weight per cent of the composition, and may be in the range 10 to 55 weight per cent of the composition.
  • the amount of zeolite in white or coloured compositions is usually up to 50 per cent of the combined weight of zeolite and pigmentary titanium dioxide.
  • the amount of zeolite is up to 30 per cent of the combined weight of zeolite and pigmentary titanium dioxide in the composition.
  • the amount of zeolite is usually from 5 to 25 per cent of the combined weight of zeolite and titanium dioxide.
  • a typical white masterbatch according to the invention comprises up to 20 weight per cent zeolite, and preferably greater than 1 weight per cent zeolite. More commonly, a white masterbatch composition comprises from 1 to 15 weight per cent zeolite.
  • a typical coloured masterbatch composition comprises up to 20 weight per cent of zeolite and preferably greater than 1 weight per cent zeolite. More commonly, a coloured masterbatch composition comprises from 1 to 15 per cent by weight zeolite.
  • coloured masterbatch compositions according to the invention also comprise at least one coloured pigment.
  • Suitable pigments may be organic or inorganic pigments, as conventionally used in masterbatch compositions. In view of the fact that the masterbatches are heated during manufacture and use, suitable pigments usually need to be stable up to a temperature of at least 100° C and preferably up to 250° C.
  • the masterbatch compositions of the invention frequently contain additional components often used in such compositions, such as catalysts and curing accelerators, UV stabilisers, flow control additives, antifoams and matting agents.
  • a method of preparing a masterbatch comprising the step of forming an intimate mixture of an organic resin and a zeolite, in which the zeolite contains less than 7 per cent water by weight as determined by heating at 800°C for 1 hour.
  • zeolite, organic resin and any other components, such as titanium dioxide dry ingredients (zeolite, organic resin and any other components, such as titanium dioxide) are weighed into a batch mixer such as a high intensity impeller mixer, a medium intensity plough-share mixer or a tumble mixer. Mixing times depend upon the equipment used. For high intensity mixers, the mixing time is usually in the range 1 to 5 minutes and the mixing time in a tumble mixer is frequently in the range 30 to 60 minutes. The premix thus formed is then compounded together with any liquid ingredients in a high shear extruder such as a single screw extruder (e.g. Buss Ko-kneader [RTM]) or a twin screw extruder.
  • a high shear extruder such as a single screw extruder (e.g. Buss Ko-kneader [RTM]) or a twin screw extruder.
  • thermosetting compositions It is particularly important to ensure that the combination of temperature of the mixture and residence time for thermosetting compositions is such that little or no curing takes place in the extruder, although the temperature is usually slightly above the melting point of the organic resin.
  • the appropriate processing temperature is chosen to suit the resin present in the composition, but is usually in the range 60 to 300°C. Residence time in the extruder is usually in the range 0.5 to 2 minutes.
  • the resultant mixture is then typically extruded through a strand die.
  • the extruded material is usually cooled rapidly by water cooling, such as in a water trough, and broken into pellets or chips with a size of about 5 to 10 mm. These pellets or chips can then be dried and ground further to an appropriate particle size using conventional techniques as necessary. Frequently, thermoplastic resins need to be ground using cryogenic techniques.
  • Masterbatch compositions can also be prepared by dry blending and this technique is particularly suitable where the organic resin is plasticised poly(vinyl chloride). All the ingredients are agitated in a high speed mixer at an elevated temperature in order to achieve intimate mixing.
  • a method of pigmenting an organic resin comprising the steps of: providing a masterbatch composition comprising a mixture, in particulate form, of a zeolite and a first organic resin, said zeolite containing less than 7 per cent water by weight as determined by heating at 800°C for 1 hour; and mixing the masterbatch composition with a second organic resin.
  • the masterbatch composition provided is in accordance with the first aspect of the invention.
  • the first organic resin is the same as the second organic resin. However, this is not necessarily the case, and it is possible that the first organic resin may be different to the second organic resin.
  • the masterbatch compositions according to the invention are suitable for let down into a substrate using any method normally used for pigmenting substrates with masterbatches.
  • the precise nature of the second organic resin to be pigmented will often determine the optimum conditions for application.
  • the appropriate temperature for let down and application depends principally upon the actual resin or resins used, and is readily determined by a person skilled in the art.
  • the second organic resin may be a thermoplastic resin.
  • Suitable second organic resins in which masterbatches are used include poly(vinyl chloride) and co-polymers thereof, polyamides and co-polymers thereof, polyolefins and co- polymers thereof, polystyrenes and co-polymers thereof, poly(vinylidene fluoride) and co- polymers thereof, acrylonitrile-butadiene-styrene, polyoxymethylene and acetal derivatives, polybutylene terephthalate and glycolised derivatives, polyethylene terephthalate and glycolised derivatives, polyacrylamide nylon (preferable nylon 11 or 12), polyacrylonitrile and co-polymers thereof, polycarbonate and co-polymers thereof.
  • Polyethylene and polypropylene which may be modified by grafting a carboxylic acid or anhydride groups onto the polymer backbone, are suitable polyolefins.
  • Low density polyethylene may be used.
  • a poly(vinyl chloride) may be plasticised, and preferably is a homopolymer of vinyl chloride.
  • Let down of the masterbatch compositions to give the desired zeolite and titanium dioxide concentrations in the final application may be achieved by tumble mixing the masterbatch composition with a quantity of a compatible diluent second organic resin in order to achieve the correct concentration of the additives in the final application.
  • the mixture is then fed to a single or twin-screw compounding extruder and processed as described earlier (in the context of the preparation of a masterbatch composition) to produce a fully compounded resin with additives present at the concentrations required in the final application or is fed to a profile or sheet extrusion, blown or cast polymer foil or film unit for conversion into the desired product form.
  • the masterbatch and compatible diluent second organic resin can fed by an automatic metering system of a type common within the industry to a single or twin-screw compounding extruder and processed as described earlier to produce a fully compounded resin with additives present at the concentrations required in the final application or is fed to a profile or sheet extrusion, blown or cast polymer foil or film unit for conversion into the desired product form.
  • the masterbatch produced according to the invention is free of holes or voids resulting from incorporation of moisture or volatiles in the masterbatch during compounding.
  • Methods of prevention of such are well known in the art.
  • a zeolite may be used as a pigmentary titanium dioxide extender.
  • the zeolite contains less than 7 per cent water by weight as determined by heating at 800°C for one hour.
  • a zeolite as defined with respect to the first aspect of the invention may be used.
  • the quality of the let down product is measured as for the masterbatch itself (opacity, L*, a*, b*, gloss (60° and 20°) and other mechanical data).
  • the efficiency of the manufacture of the let down product is measured as per masterbatch formulation (power consumption and rate) but also by a key extrusion function, well known in the art, called "die lip" build up. Excessive moisture in the let-down plastic can be forcefully released from a let down system at the point where the molten plastic is forced from the dye during extrusion through pressure drop effects. This produces a plastic build up on the lip of the die itself which when large enough can cause surface imperfections and even breakage in the production line manifested through breaks in the continuously extruded let-down product.
  • the dye lip test is used to evaluate formulation performance when a masterbatch is to be used to manufacture economically important products that are continuously extruded, such as plastic bags.
  • a sample of Zeolite is quantitatively transferred into a muffle furnace set at a temperature of 800°C.
  • the sample is maintained at 800°C for a period of one hour. After this time, the loss in mass is determined and calculated as a percentage of the original mass.
  • the zeolite is dried at 105°C for 4 hours and the loss in weight is expressed as a percentage.
  • the weight mean particle size is determined using a Malvern MastersizerTM model X, with a lens range up to 300 mm RF and MS1 sample presentation unit.
  • This instrument made by Malvern Instruments, Malvern, Worcestershire, uses the principle of Mie scattering, utilising a low power He/Ne laser. Before measurement the sample is dispersed ultrasonically in water for 7 minutes to form an aqueous suspension. This suspension is stirred before it is subjected to the measurement procedure outlined in the instruction manual for the instrument, utilising the 300 mm RF lens range in the detector system.
  • the Malvern MastersizerTM measures the weight particle size distribution of the inorganic material or reference material. The weight mean particle size (d 50 ) or 50 percentile is readily obtained from the data generated by the instrument.
  • the gloss and sheen (60° and 20°) values of the cured coatings are measured using a Sheen Tri-rnicrogloss 20-60-85 (160) unit.
  • Gloss is a measurement of the intensity of a reflected incident beam, where the incident beam is projected at 60° to the perpendicular of the coating plane as described in ASTM D 523.
  • Sheen is a measurement of the intensity of a reflected incident beam, where the incident beam is projected at 85° to the perpendicular of the coating plane as described in ASTM D 523
  • Colour is determined using an X-rite 938 Spectrodensiometer. This unit measures the L*, a*, b* tristimulus values as described under CIE 1976 L*, a*, b* (CIELAB) Space where the L* axis describes lightness, a* describes the axis from redness (positive a* values) to greeness (negative) and b* describes the axis from yellowness (positive b* values) to blueness (negative). It is standard practice to compare L*, a*, b* values of samples with a reference of known L*, a*, b* values.
  • the opacity or contrast ratio is measured using an X-rite 938 Spectrodensiometer.
  • the opacity or contrast ratio is the extent to which a coating hides or obscures the contrasting features of a test substrate.
  • CR is expressed photometrically as the ratio of the luminous (CIE-Y) reflection of the coating measured over a black substrate and the luminous (CIE-Y) reflection of the same coating measured over a white substrate.
  • a reference masterbatch sample A was prepared by combining 800g pelletised polyethylene (Sabic PLLM2024P) and 1200g powdered titanium dioxide (DuPont TR92) in a plastic sack followed by agitation (by hand) to give a homogenous mixture. This mixture was then added to a Thermo Prism 16mm twin screw extruder operated in the temperature range of 100°C to 120°C. The extruded masterbatch was continuously produced at a rate of 3 kg per hr and the 16mm diameter masterbatch extrudate immediately was cooled in a water trough at room temperature. The extruded masterbatch sample was then processed (chopped up) further to reduce the average extrudate length to around 5mm.
  • Each of the above masterbatch samples was then let down into polyethylene as follows to give film samples E to Q containing 5% masterbatch at several thicknesses, 40 microns, 80 microns and 500 microns.
  • the polyethylene used was LDPE Ipethene 213. In all cases of let down, 1900g of polyethylene pellets were dry blended by hand with 100g of the masterbatch sample A to D in a plastic sack.
  • a reference R was also prepared with a film thickness of 40 microns using polyethylene only.
  • Samples of 500 micron thickness were prepared by stacking samples of 80um film (F, I, K, or P as appropriate) in a 0.5 x 150 x 150um frame mould between aluminium sheets coated with a P.E.T film to give a final moulding thickness of approx. 500um.
  • the film stack was then pressed in a high temperature, high pressure press as follows: press plates temp 180°C; warm-up time 2 mins at nip pressure; samples pressed for 1 min at 10,000kg on a 10.16cm ram and water cooled.
  • Table 1 gives data for masterbatch compositions A to D while Table 2 gives data for the film samples E to R obtained following let down of the samples, where applicable, into polyethylene.
  • Table 2 gives data for the film samples E to R obtained following let down of the samples, where applicable, into polyethylene.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention concerne une composition de mélange maître qui comprend un mélange, sous forme particulaire, d'une zéolithe et d'une résine organique. Ladite zéolithe contient moins de 7 pour cent en poids d'eau, cette valeur étant déterminée par chauffage à 800 °C pendant une heure.
PCT/GB2005/001794 2004-05-14 2005-05-11 Compositions de melange maitre Ceased WO2005111120A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0410775A GB0410775D0 (en) 2004-05-14 2004-05-14 Masterbatch compositions
GB0410775.1 2004-05-14

Publications (1)

Publication Number Publication Date
WO2005111120A1 true WO2005111120A1 (fr) 2005-11-24

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PCT/GB2005/001794 Ceased WO2005111120A1 (fr) 2004-05-14 2005-05-11 Compositions de melange maitre

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AR (1) AR048848A1 (fr)
GB (1) GB0410775D0 (fr)
WO (1) WO2005111120A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7422712B2 (en) 2005-12-15 2008-09-09 Kimberly-Clark Worldwide, Inc. Technique for incorporating a liquid additive into a nonwoven web
EP2905308A1 (fr) * 2014-02-05 2015-08-12 Lanxess Elastomers B.V. Composition de polymère
CN108727666A (zh) * 2018-05-30 2018-11-02 临沂超星新材料科技有限公司 一种用于再生塑料的除味母料及其制备方法
CN110746721A (zh) * 2019-11-29 2020-02-04 北京友合攀宝科技发展有限公司 煅烧沸石粉及其制备方法和在塑料中的应用
CN110903568A (zh) * 2019-10-14 2020-03-24 稀美师新材料科技(常州)有限公司 一种具有高耐久抗紫外色母粒及其制备方法
CN112176747A (zh) * 2020-09-23 2021-01-05 江西瑞臻科技有限公司 一种用于pe新型塑料制品外部上色的生产工艺
AT526309A1 (de) * 2022-06-20 2024-01-15 Bioaffin Handels Gmbh Verfahren zum herstellen eines rezyklats

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007608A1 (fr) * 1978-08-01 1980-02-06 Degussa Aktiengesellschaft Mélange maître thermoplastique pour la fabrication de feuilles en matières plastiques ayant des propriétés anti-blocage
EP0094121A1 (fr) * 1982-05-07 1983-11-16 ENICHEM POLIMERI S.p.A. Compositions thermoplastiques à base de polymères organiques non polaires et de zéolites en forme acide ayant une adhésion forte pour des métaux et objets composites obtenues à partir de ces compositions
US5436282A (en) * 1991-01-22 1995-07-25 Neste Oy Eliminating odor/taste-producing substances in plastic materials with zeolites
EP0687706A1 (fr) * 1994-06-15 1995-12-20 SOLVAY (Société Anonyme) Composition à base de polyoléfine et procédé de fabrication d'objets façonnés à partir de cette composition
JPH10219084A (ja) * 1997-02-10 1998-08-18 Kenji Nakamura 抗菌用ｐｅｔ樹脂マスターペレットとその組成物
JPH1135697A (ja) * 1997-07-11 1999-02-09 Nippon Mizushiyori Giken:Kk ゼオライト粉材マスターバッチ及びその製造方法
EP1172419A1 (fr) * 2000-07-13 2002-01-16 Degussa AG Composition contenant un pigment et une zéolite hydrophobe
WO2004024834A1 (fr) * 2002-09-16 2004-03-25 Ineos Silicas Limited Compositions d'enrobage pulverulentes

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007608A1 (fr) * 1978-08-01 1980-02-06 Degussa Aktiengesellschaft Mélange maître thermoplastique pour la fabrication de feuilles en matières plastiques ayant des propriétés anti-blocage
EP0094121A1 (fr) * 1982-05-07 1983-11-16 ENICHEM POLIMERI S.p.A. Compositions thermoplastiques à base de polymères organiques non polaires et de zéolites en forme acide ayant une adhésion forte pour des métaux et objets composites obtenues à partir de ces compositions
US5436282A (en) * 1991-01-22 1995-07-25 Neste Oy Eliminating odor/taste-producing substances in plastic materials with zeolites
EP0687706A1 (fr) * 1994-06-15 1995-12-20 SOLVAY (Société Anonyme) Composition à base de polyoléfine et procédé de fabrication d'objets façonnés à partir de cette composition
JPH10219084A (ja) * 1997-02-10 1998-08-18 Kenji Nakamura 抗菌用ｐｅｔ樹脂マスターペレットとその組成物
JPH1135697A (ja) * 1997-07-11 1999-02-09 Nippon Mizushiyori Giken:Kk ゼオライト粉材マスターバッチ及びその製造方法
EP1172419A1 (fr) * 2000-07-13 2002-01-16 Degussa AG Composition contenant un pigment et une zéolite hydrophobe
WO2004024834A1 (fr) * 2002-09-16 2004-03-25 Ineos Silicas Limited Compositions d'enrobage pulverulentes

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 13 30 November 1998 (1998-11-30) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 05 31 May 1999 (1999-05-31) *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7422712B2 (en) 2005-12-15 2008-09-09 Kimberly-Clark Worldwide, Inc. Technique for incorporating a liquid additive into a nonwoven web
EP2905308A1 (fr) * 2014-02-05 2015-08-12 Lanxess Elastomers B.V. Composition de polymère
WO2015117900A1 (fr) * 2014-02-05 2015-08-13 Lanxess Elastomers B.V. Composition polymère
CN106133049A (zh) * 2014-02-05 2016-11-16 朗盛德国有限责任公司 聚合物组合物
CN108727666A (zh) * 2018-05-30 2018-11-02 临沂超星新材料科技有限公司 一种用于再生塑料的除味母料及其制备方法
CN110903568A (zh) * 2019-10-14 2020-03-24 稀美师新材料科技(常州)有限公司 一种具有高耐久抗紫外色母粒及其制备方法
CN110746721A (zh) * 2019-11-29 2020-02-04 北京友合攀宝科技发展有限公司 煅烧沸石粉及其制备方法和在塑料中的应用
CN112176747A (zh) * 2020-09-23 2021-01-05 江西瑞臻科技有限公司 一种用于pe新型塑料制品外部上色的生产工艺
AT526309A1 (de) * 2022-06-20 2024-01-15 Bioaffin Handels Gmbh Verfahren zum herstellen eines rezyklats
AT526309B1 (de) * 2022-06-20 2024-07-15 Bioaffin Handels Gmbh Verfahren zum herstellen eines rezyklats

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AR048848A1 (es) 2006-05-31

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