# US 2019/0375883 A1 · Skin material for coating motor vehicles parts

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- Number: US 2019/0375883 A1
- Document ID: US20190375883A1
- Status: Published application
- Kind: A1
- Application number: 16/331,874
- Filed: 2017-09-08
- Published: 2019-12-12
- Earliest claimed: 2016-09-09
- Applicants: Solvay Specialty Polymers Italy S.P.A.
- Inventors: Antonio RUSSO; Lionel DE BEAUFFORT
- Web page: https://patentgrep.com/patent/US20190375883A1

## CPC

- C08G 18/7671: {containing only one alkylene bisphenyl group}
- C08G 18/227: {of antimony, bismuth or arsenic}
- C08G 18/3206: {aliphatic}
- C08G 18/42: Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G 18/4277: {Caprolactone and/or substituted caprolactone}
- C08G 18/44: Polycarbonates
- C08G 18/4854: {Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group}
- C08G 18/5015: {having fluorine atoms}
- C08G 18/664: {with compounds of group C08G18/3203}
- C08G 18/6674: {with compounds of group C08G18/3203}
- C08G 18/69: Polymers of conjugated dienes {(hydrogenated polymers of conjugated dienes C08G18/6208)}
- C08G 18/73: acyclic
- C08J 5/18: Manufacture of films or sheets
- C09D 175/08: from polyethers
- C08J 2375/04: Polyurethanes
- C08J 2375/08: from polyethers
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08J: WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29)
- 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 (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)

## Abstract

The present invention relates to a skin material, which is in the form of a flexible film obtained from a composition comprising at least one fluorinated polymer, and its use for coating motor vehicle parts.

## Claims

### Claim 1

A flexible film obtained from a composition [composition (C)] comprising at least one fluorinated polyurethane [F-TPU polymer] and optionally further ingredients, said F-TPU polymer comprising recurring units derived from:
optionally monomer (a), wherein monomer (a) is at least one diol selected from the group consisting of poly-ether type diols, poly-ester type diols, polybutadien-diols and polycarbonate-diols;
monomer (b), wherein monomer (b) is at least one hydroxy-terminated (per)fluoropolyether polymer;
monomer (c), wherein monomer (c) is at least one aromatic, aliphatic or cycloaliphatic diisocyanate; and
monomer (d), wherein monomer (d) is at least one aliphatic, cycloaliphatic or aromatic diol having from 1 to 14 carbon atoms.

### Claim 2 (depends on 1)

The flexible film according to claim 1, wherein said at least one monomer (a) is present and selected from the group consisting of poly(ethylene)glycol, poly(propylene)glycol, poly(tetramethylen)glycol (PTMG), poly(1,4-butanediol)adipate, poly(ethandiol-1,4-butanedio) adipate, poly(l,6-hexandiol-neopentyl)glycol adipate, poly-caprolactone-diol (PCL) and polycarbonate-diol.

### Claim 3 (depends on 1)

The flexible film according to claim 1, wherein said at least one monomer (b) is a polymer comprising a (per)fluoropolyoxyalkylene chain [chain (Rpf)] having two chain ends, wherein one or both chain ends terminates with at least one —OH group.

### Claim 4 (depends on 3)

The flexible film according to claim 3, wherein at least one chain end of said chain (Rpf) terminates with a group of formula:
—CH2(OCH2CH2)t—OH (I)
wherein
t is 0 or from 1 to 5.

### Claim 5 (depends on 4)

The flexible film according to claim 4, wherein both chain ends of said chain (Rpf) terminate with a group of formula:
—CH2(OCH2CH2)t—OH (I)
wherein
t is 0 or from 1 to 5.

### Claim 6 (depends on 1)

The flexible film according to claim 1, wherein said at least one monomer (c) is selected from the group consisting of 4,4′-methylene-diphenylene-di-isocyanate (MDI), 1,6-hexan-diisocyanate (HDI), 2,4-toluene-diisocyanate, 2,6-toluene-diisocyanate, xylilen-diisocyanate, naphthalene-diisocyanate, paraphenylen-diisocyanate, hexamaethylen-diisocyanate, isophorone-diisocyanate, 4,4′-dicyclohexyl-methane-diisocyanate and cyclohexyl-1,4-diisocyanate.

### Claim 7 (depends on 1)

The flexible film according to claim 1, wherein said at least one monomer (d) is selected from the group consisting of ethylene-glycol, 1,4-butanediol (BDO), 1,6-hexane diol (HDO), N,N-diethanolamine and N,N-diisopropanolaniline.

### Claim 8 (depends on 1)

A process for the manufacture of the flexible film as defined in claim 1, said method comprising:
(I) providing a composition (C), wherein composition (C) comprises at least one fluorinated polyurethane [F-TPU polymer] and optionally further ingredients, said F-TPU polymer comprising recurring units derived from:
optionally monomer (a), wherein monomer (a) is at least one diol selected from the group consisting of poly-ether type diols, poly-ester type diols, polybutadien-diols and polycarbonate-diols;
monomer (b), wherein monomer (b) is at least one hydroxy-terminated (per)fluoropolyether polymer;
monomer (c), wherein monomer (c) is at least one aromatic, aliphatic or cycloaliphatic diisocyanate; and
monomer (d), wherein monomer (d) is at least one aliphatic, cycloaliphatic or aromatic diol having from 1 to 14 carbon atoms; and
(II) processing said composition (C), so as to provide the flexible film.

### Claim 9 (depends on 8)

The process according to claim 8, wherein said step (II) comprises:
(II-ia) manufacturing the flexible film and
(II-ib) applying the flexible film onto at least one surface of an article.

### Claim 10 (depends on 8)

The process according to claim 8, wherein said step (II) comprises:
(II-iib) manufacturing the flexible film directly onto at least one surface of an article.

### Claim 11 (depends on 1)

An article selected from an interior or an exterior part of a motor vehicle, said article comprising at least one layer consisting of the flexible film as defined in claim 1.

### Claim 12 (depends on 11)

The article according to claim 11, wherein said interior part of a motor vehicle is selected from the group consisting of instrument panels, dashboards, airbag coverings, gear knobs, tambour doors, door handles, pedal covers, cable plugs, door trims and armrests.

### Claim 13 (depends on 11)

The article according to claim 11, wherein said exterior part of a motor vehicle is selected from the group consisting of bumpers, side panels, radiator grill seals, and bonnet liners.

### Claim 14 (depends on 1)

A dashboard comprising at least one layer consisting of the flexible film as defined in claim 1.

### Claim 15 (depends on 1)

An instrument panel comprising at least one layer consisting of the flexible film as defined in claim 1.

### Claim 16 (depends on 1)

The flexible film according to claim 1, wherein:
said at least one monomer (a) is present and selected from the group consisting of poly(ethylene)glycol, poly(propylene)glycol, poly(tetramethylen)glycol (PTMG), poly(1,4-butanediol)adipate, poly(ethandiol-1,4-butanedio) adipate, poly(1,6-hexandiol-neopentyl)glycol adipate, poly-caprolactone-diol (PCL) and polycarbonate-diol;
said at least one monomer (b) is a polymer comprising a (per)fluoropolyoxyalkylene chain [chain (Rpf)] having two chain ends, wherein one or both chain ends terminates with at least one -OH group;
said at least one monomer (c) is selected from the group consisting of 4,4′-methylene-diphenylene-di-isocyanate (MDI), 1,6-hexan-diisocyanate (HDI), 2,4-toluene-diisocyanate, 2,6-toluene-diisocyanate, xylilen-diisocyanate, naphthalene-diisocyanate, paraphenylen-diisocyanate, hexamaethylen-diisocyanate, isophorone-diisocyanate, 4,4′-dicyclohexyl-methane-diisocyanate and cyclohexyl-1,4-diisocyanate; and
said at least one monomer (d) is selected from the group consisting of ethylene-glycol, 1,4-butanediol (BDO), 1,6-hexane diol (HDO), N,N-diethanolamine and N,N-diisopropanolaniline.

### Claim 17 (depends on 16)

The flexible film according to claim 16, wherein at least one chain end of said chain (Rpf) terminates with a group of formula:
—CH2(OCH2CH2)t—OH (I)
wherein
t is 0 or from 1 to 5.

### Claim 18 (depends on 17)

The flexible film according to claim 17, wherein both chain ends of said chain (Rpf) terminate with a group of formula:
CH2(OCH2CH2)t—OH (I)
wherein
t is 0 or from 1 to 5.

### Claim 19 (depends on 16)

An article selected from an interior or an exterior part of a motor vehicle, said article comprising at least one layer consisting of the flexible film as defined in claim 16.
