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Single step bulk process for high impact polyester or polyamide master batches, products thereof and blends with polyesters or polyamides
Single step bulk process for high impact polyester or polyamide master batches, products thereof and blends with polyesters or polyamides
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机译:高抗冲聚酯或聚酰胺母料,其产品以及与聚酯或聚酰胺共混物的单步批量工艺
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摘要
A molding composition having improved toughness and impact strength comprising 60-90 percent by weight of a matrix resin in the form of a polyester or polyamide resin, reacted with 40-10 percent by weight of a rubber formed by copolymerization of ethylene, one or more mono-olefins, and preferably one or more polyenes, and an ester of an alpha, beta-unsaturated acid having an epoxide functionality on the alkoxy portion. The composition is prepared by forming a masterbatch containing the backbone rubber, a monomer having the epoxide functionality, a catalyst and a portion of the matrix resin of the final composition in a single step bulk process, and thereafter blending the masterbatch with the remainder of the matrix resin.
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