Weatherable multilayer articles and method for their preparation
AssigneeGeneral Electric Company
InventorHua Wang
Life of this patent
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Abstract
Disclosed are weatherable multilayer articles comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one aromatic dicarboxylic acid, (ii) a second layer comprising a polymer comprising carbonate structural units, (iii) an adhesive tielayer comprising a copolymer with structural units derived from at least one alkenyl aromatic compound and at least one conjugated diene, and (iv) a substrate layer, wherein the coating layer is in contiguous contact with the second layer, and the adhesive tielayer is in contiguous contact with the second layer and the substrate layer. Also disclosed is a method for making the multilayer article.
Claims81
A multilayer article comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one aromatic dicarboxylic acid, (ii) a second layer comprising a polymer comprising carbonate structural units, (iii) an adhesive tielayer comprising a copolymer with structural units derived from at least one alkenyl aromatic compound and at least one conjugated diene, and (iv) a substrate layer, wherein the coating layer is in contiguous contact with the second layer, and the adhesive tielayer is in contiguous contact with the second layer and the substrate layer.
A multilayer article comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from unsubstituted resorcinol, a mixture of isophthalic acid and terephthalic acid, and bisphenol A;
- (ii) a second layer comprising a bisphenol A polycarbonate optionally containing at least one colorant, (iii) an adhesive tielayer selected from the group consisting of a polystyrene-b-poly(ethylene-butylene)-b-polystyrene copolymer modified by maleic anhydride;
- a polystyrene-b-poly(styrene-butadiene)-b-polystyrene copolymer;
- and a hydrogenated polystyrene-b-poly(isoprene)-b-polystyrene copolymer, and (iv) a substrate layer selected from the group consisting of a thermoplastic resin, a thermoset resin, a metal, a ceramic, a glass, and a cellulosic material;
- wherein the coating layer is in contiguous contact with the second layer, and the adhesive tielayer is in contiguous contact with the second layer and the substrate layer;
- and wherein the multilayer article exhibits a ninety-degree peel force of at least 700 Newtons per meter.
A multilayer article comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from unsubstituted resorcinol, a mixture of isophthalic acid and terephthalic acid, and bisphenol A;
- (ii) a second layer comprising a bisphenol A polycarbonate optionally containing at least one colorant, (iii) an adhesive tielayer selected from the group consisting of a polystyrene-b-poly(ethylene-butylene)-b-polystyrene copolymer modified by maleic anhydride;
- a polystyrene-b-poly(styrene-butadiene)-b-polystyrene copolymer;
- and a hydrogenated polystyrene-b-poly(isoprene)-b-polystyrene copolymer, and (iv) a substrate layer selected from the group consisting of a cured, a partially cured and an uncured thermoset resin.
A film assembly comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one aromatic dicarboxylic acid, (ii) a second layer comprising a polymer comprising carbonate structural units, and (iii) an adhesive tielayer comprising a copolymer with structural units derived from at least one alkenyl aromatic compound and at least one conjugated diene.
A film assembly comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from unsubstituted resorcinol, a mixture of isophthalic acid and terephthalic acid, and bisphenol A;
- (ii) a second layer comprising a bisphenol A polycarbonate optionally containing at least one colorant, and (iii) an adhesive tielayer selected from the group consisting of a polystyrene-b-poly(ethylene-butylene)-b-polystyrene copolymer modified by maleic anhydride;
- a polystyrene-b-poly(styrene-butadiene)-b-polystyrene copolymer;
- and a hydrogenated polystyrene-b-poly(isoprene)-b-polystyrene copolymer.
A method for making a multilayer article comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one aromatic dicarboxylic acid, (ii) a second layer comprising a polymer comprising carbonate structural units, (iii) an adhesive tielayer comprising a copolymer with structural units derived from at least one alkenyl aromatic compound and at least one conjugated diene, and (iv) a substrate layer, wherein the coating layer is in contiguous contact with the second layer, and the adhesive tielayer is in contiguous contact with the second layer and the substrate layer;
- which method comprises the steps of (a) preparing an assembly of coating layer and second layer, and (b) forming said assembly adjacent to the adhesive tielayer coated onto the substrate layer.
A method for making a multilayer article comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one aromatic dicarboxylic acid, (ii) a second layer comprising a polymer comprising carbonate structural units, (iii) an adhesive tielayer comprising a copolymer with structural units derived from at least one alkenyl aromatic compound and at least one conjugated diene, and (iv) a substrate layer, wherein the coating layer is in contiguous contact with the second layer, and the adhesive tielayer is in contiguous contact with the second layer and the substrate layer;
- which method comprises the steps of (a) preparing an assembly of coating layer, second layer, and adhesive tielayer, and (b) forming said assembly to the substrate layer.
A method for making a multilayer article comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one aromatic dicarboxylic acid, (ii) a second layer comprising a polymer comprising carbonate structural units, (iii) an adhesive tielayer comprising a copolymer with structural units derived from at least one alkenyl aromatic compound and at least one conjugated diene, and (iv) a substrate layer comprising an uncured thermoset resin, wherein the coating layer is in contiguous contact with the second layer, and the adhesive layer is in contiguous contact with the second layer and the substrate layer;
- which method comprises the steps of (a) assembling the coating layer, second layer, adhesive layer, and substrate, and (b) subjecting the assembly to conditions under which the thermoset is cured.
Dependencies are inferred from the claim text.