Polycarbonate/aromatic polyester blends modified with a grafted olefin copolymer
First Claim
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1. A composition of matter comprising, in admixture, an aromatic polycarbonate, an aromatic polyester and a grafted olefin/carbon monoxide copolymer.
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Abstract
A polycarbonate blend of good impact strength, solvent resistance and weldline properties is prepared by admixing with polycarbonate an aromatic polyester, a grafted olefin/carbon monoxide copolymer and, optionally, an elastomeric toughening agent such as a rubber, and, optionally, a filler.
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24 Claims
- 1. A composition of matter comprising, in admixture, an aromatic polycarbonate, an aromatic polyester and a grafted olefin/carbon monoxide copolymer.
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18. A composition of matter comprising, in admixture, an aromatic polycarbonate, a poly(alkylene phenylenedicarboxylate) and a grafted olefin/carbon monoxide copolymer.
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19. A composition of matter comprising, in admixture,
(a) an aromatic polycarbonate; -
(b) an aromatic polyester selected from poly(ethylene terephthalate), poly(butylene terephthalate), and a mixture thereof; and (c) a copolymer (i) polymerized from carbon monoxide and one or more of the monomers selected from the group consisting of ethylene, vinyl acetate and an alkyl acrylate, onto which is grafted (ii) one or more members of the group consisting of an alkyl acrylate, an alkyl methacrylate, vinyl acetate, a vinyl aromatic compound, a vinyl cyanide, and glycidyl methacrylate. - View Dependent Claims (20, 21, 22, 23)
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Specification