GB2323050A - Coated fabrics - Google Patents

Coated fabrics Download PDF

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Publication number
GB2323050A
GB2323050A GB9705198A GB9705198A GB2323050A GB 2323050 A GB2323050 A GB 2323050A GB 9705198 A GB9705198 A GB 9705198A GB 9705198 A GB9705198 A GB 9705198A GB 2323050 A GB2323050 A GB 2323050A
Authority
GB
United Kingdom
Prior art keywords
parts
plasticiser
coated fabric
pvc
pvc plastisol
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.)
Withdrawn
Application number
GB9705198A
Other versions
GB9705198D0 (en
Inventor
Richard Harry Turner
David Graham Hirst
John Michael Shipman
Samuel Gordon Graham
Anthony John Grant Sagar
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.)
British Textile Tech
Original Assignee
British Textile Tech
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 British Textile Tech filed Critical British Textile Tech
Priority to GB9705198A priority Critical patent/GB2323050A/en
Publication of GB9705198D0 publication Critical patent/GB9705198D0/en
Publication of GB2323050A publication Critical patent/GB2323050A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N3/06—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
    • D06N3/065—PVC together with other resins except polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N3/06—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds

Abstract

In a leather-like PVC plastisol coated fabric, the PVC plastisol is formulated with a polymeric plasticiser, e.g. a polyester based plasticiser. Cracking and embrittlement of the coating due to loss of plasticiser from the surface is thereby avoided.

Description

PLASTISOLS This invention relates to plastisols, in particular to the coating of fabrics with plastisols.
Existing coated fabrics based on either 100% polyvinylchloride (PVC) or 100% polyurethane (PU) coatings on knitted or woven backing fabrics have several drawbacks and perform unsatisfactorily in many respects. As a result these coated fabrics, which simulate leather but at substantially lower cost, only satisfy the requirements of minor sectors of one potential market, namely the upholstery market.
Other potential markets include protective wear such as gloves, footwear and automotive products such as seating and trims.
One of the major drawbacks is cracking and embrittlement of the coating due to loss of plasticiser from the surface of said coating.
The present invention addresses the aforementioned problem.
According to the present invention there is provided a PVC plastisol coated fabric wherein the PVC plastisol is formulated with a polymeric plasticiser.
The polymeric plasticiser may be polyester based.
The PVC plastisol may comprise a compound formulated as follows: PVC polymer (1000 parts) Polyester plasticiser (1012 parts) Epoxidised plasticiser (30 parts) Calcium-zinc stabiliser (30 parts) Moisture absorbing agent (30 parts) Carbon black pigment (21 parts) The coated fabric may be produced by a transfer method.
The fabric may be a non-woven material.
PVC plastisol coated fabrics wherein the plastisol is formulated with unconventional polymeric plasticiser may be employed in the manufacture of cost effective, aesthetically pleasing leather like products. Leather-like upholstery fabric is a particularly important potential market. The use of a polymeric plasticiser represents a significant improvement over prior art coated fabrics which employed conventional plasticiser from the surface of the coating caused cracking and hardening of said coating.
Said loss of plasticiser is inhibited by the use of a polymer. As a result, the coated fabric formed from the combination of coating and backing material displays superior performance properties (such as long term flexibility and stress-strain recovery) compared to existing coated fabrics.
The PVC plastisols formulated with polyester based plasticisers (a combination of polybasic aliphatic acids and polyhydric alcohols) have been produced successfully under commercial conditions at pilot scale.
An example of a suitable PVC compound is as follows: PVC polymer (1000 parts) Polyester plasticiser (1012 parts) Epoxidised plasticiser (30 parts) Calcium-zinc stabiliser (30 parts) Moisture absorbing agent (30 parts) Carbon black pigment (21 parts) The constituents are mixed together to form a consistent compound with a final viscosity of about 100,000 cp measured on the Brookfield viscometry system adopted by the PVC industry. The compound is subsequently vacuum-dried for 45 minutes to remove residual moisture and air bubbles.
Coated fabrics may be produced by a transfer method in which a thin coating of the plastisol is put down on release paper and dried at 1 800C. A second, thicker layer is put down on top of the first coat and whilst the surface is still wet a nonwoven backing material is placed in contact with same. The product is then dried at 1 800C before subsequent cooling and removal of the release paper to reveal the final coated fabric. Knitted or woven backing materials may also be employed; however non-woven fabrics have the potential to simulate more closely the structure of leather.

Claims (5)

1. A PVC plastisol coated fabric wherein the PVC plastisol is formulated with a polymeric plasticiser.
2. A coated fabric according to claim 1 in which the polymeric plasticiser is polyester based.
3. A coated fabric according to claim 2 in which the PVC plastisol comprises a compound substantially formulated as: 1000 parts of PVC polymer; 1012 parts of polyester plasticiser; 30 parts expoxidised plasticiser; 30 parts calcium-zinc stabiliser; 30 parts moisture absorbing agent; 21 parts carbon black pigment.
4. A coated fabric according to any of the previous claims produced by a transfer method.
5. A coated fabric according to any of the previous claims in which the fabric is a non-woven material.
GB9705198A 1997-03-13 1997-03-13 Coated fabrics Withdrawn GB2323050A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9705198A GB2323050A (en) 1997-03-13 1997-03-13 Coated fabrics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9705198A GB2323050A (en) 1997-03-13 1997-03-13 Coated fabrics

Publications (2)

Publication Number Publication Date
GB9705198D0 GB9705198D0 (en) 1997-04-30
GB2323050A true GB2323050A (en) 1998-09-16

Family

ID=10809165

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9705198A Withdrawn GB2323050A (en) 1997-03-13 1997-03-13 Coated fabrics

Country Status (1)

Country Link
GB (1) GB2323050A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB775562A (en) * 1954-02-01 1957-05-29 Ici Ltd Improvements in or relating to expanded plastic sheet material
GB990025A (en) * 1961-05-04 1965-04-22 Btr Industries Ltd Improvements in or relating to polyvinyl chloride compositions
GB1118724A (en) * 1964-06-23 1968-07-03 Degussa A process for the production of a coating composition
GB1118450A (en) * 1964-12-23 1968-07-03 Freudenberg Carl Improvements in the production of artificial leather
GB1395882A (en) * 1971-07-07 1975-05-29 Booth Patents Ltd Vehicle wheel alignment gauging apparatus
US4272568A (en) * 1977-10-21 1981-06-09 Societe Anonyme Parinter Protective glove and its method of manufacture
US4556589A (en) * 1984-02-22 1985-12-03 Hoechst Aktiengesellschaft Composite material of plasticized polyvinyl chloride coated with acrylic resin-fluorine-containing copolymer top coat
US5262444A (en) * 1992-11-30 1993-11-16 Borden, Inc. Porous plastic film product, useful as a breathable wall covering or filters

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB775562A (en) * 1954-02-01 1957-05-29 Ici Ltd Improvements in or relating to expanded plastic sheet material
GB990025A (en) * 1961-05-04 1965-04-22 Btr Industries Ltd Improvements in or relating to polyvinyl chloride compositions
GB1118724A (en) * 1964-06-23 1968-07-03 Degussa A process for the production of a coating composition
GB1118450A (en) * 1964-12-23 1968-07-03 Freudenberg Carl Improvements in the production of artificial leather
GB1395882A (en) * 1971-07-07 1975-05-29 Booth Patents Ltd Vehicle wheel alignment gauging apparatus
US4272568A (en) * 1977-10-21 1981-06-09 Societe Anonyme Parinter Protective glove and its method of manufacture
US4556589A (en) * 1984-02-22 1985-12-03 Hoechst Aktiengesellschaft Composite material of plasticized polyvinyl chloride coated with acrylic resin-fluorine-containing copolymer top coat
US5262444A (en) * 1992-11-30 1993-11-16 Borden, Inc. Porous plastic film product, useful as a breathable wall covering or filters

Also Published As

Publication number Publication date
GB9705198D0 (en) 1997-04-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)