Thermoplastic resin film laminate and production thereof
First Claim
1. A thermoplastic resin film laminate which comprises a thermolastic resin film and a layer of a polyester resin composition provided on at least one surface of the film, said composition consisting essentially of(A) a water-insoluble polyester copolymer of a mixed dicarboxylic acid component composed of 0.5 to 15 mole% of a dicarboxylic acid having a metal sulfonate group and 85 to 99.5 mole % of aromatic dicarboxylic acid having no metal sulfonate group reacted with a glycol component;
- (B) inert particles having an average particle size of 0.01 to 10 microns;
the weight ratio of (A)/(B)=100,000/0.5-3,000.
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Accused Products
Abstract
A thermoplastic resin film laminate which comprises a thermoplastic resin film, particularly, a polyester film and a layer of a polyester resin composition provided on at least one surface of the film, said composition comprising
(A) a water insoluble polyester copolymer composed of a mixed dicarboxylic acid component containing a dicarboxylic acid having metal sulfonate group in an amount of 0.5 to 15 mol % based on all the dicarboxylic acid component and a glycol component; and
(B) inert particles; the weight ratio of (A)/(B)=100,000/0.5-3,000. Optionally, the composition can contain one or more ingredients selected from the group consisting of a water soluble silicone, a polyfunctional reactive compound, a polyethylene glycol and its derivative and an antistatic agent. The thermoplastic resin film laminate is preferably produced by so-called in-line coating.
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Citations
12 Claims
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1. A thermoplastic resin film laminate which comprises a thermolastic resin film and a layer of a polyester resin composition provided on at least one surface of the film, said composition consisting essentially of
(A) a water-insoluble polyester copolymer of a mixed dicarboxylic acid component composed of 0.5 to 15 mole% of a dicarboxylic acid having a metal sulfonate group and 85 to 99.5 mole % of aromatic dicarboxylic acid having no metal sulfonate group reacted with a glycol component; -
(B) inert particles having an average particle size of 0.01 to 10 microns; the weight ratio of (A)/(B)=100,000/0.5-3,000. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A process for the production of a thermoplastic resin film laminate which comprises applying an aqueous dispersion of a polyester resin composition on at least one surface of a thermoplastic resin film to form a layer of polyester resin composition thereon, said aqueous dispersion consisting essentially of
(A) a water-insoluble polyester copolymer of a mixed dicarboxylic acid component composed of 0.5 to 15 mole % of a dicarboxylic acid having a metal sulfonate group and 85 to 99.5 mole % of aromatic dicarboxylic acid having no metal sulfonate group reacted with a glycol component; -
(B) inert particles having an average particle size of 0.01 to 10 microns; (C) a water soluble organic compound having a boiling point of 60°
-200°
C.; and(D) water; the weight ratios of (A)/(B)=100,000/0.5-3,000, of (A)/(C)=100/20-5,000 and of (C)/(D)=100/50-1,000.
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Specification