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THERMOPLASTIC POLYURETHANE ADDITIVES FOR IMPROVED POLYMER MATRIX COMPOSITES AND METHODS OF MAKING AND USING THEREFOR
THERMOPLASTIC POLYURETHANE ADDITIVES FOR IMPROVED POLYMER MATRIX COMPOSITES AND METHODS OF MAKING AND USING THEREFOR
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机译:热塑性聚合物基复合材料的热塑聚氨酯添加剂及其制备和使用方法
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摘要
The present invention relates to a composite made by the process of melt mixing (a) a polymer having at least one isocyanate reactive group, wherein the polymer is from 30 to 90 % by weight of the composite; (b) a thermoplastic polyurethane at from 0.1 to less than 10 % by weight of the composite; and (c) a reinforcing fiber at from 9.9 to 60 % by weight of the composite, wherein the sum of the weight percentages of components (a)-(c) is equal to 100 %, wherein the polymer (a) is not a polyamide. The invention further relates to a composite prepared by the process of melt mixing (a) a polymer having at least one isocyanate reactive group, wherein the polymer is from 25 to 90 % by weight of the composite; (b) a thermoplastic polyurethane at from 0.1 to 10 % by weight of the composite; (c) a reinforcing fiber at from 9.8 to 60 % by weight of the composite, and (d) an epoxy compound at from 0.1 to 5 % by weight of the composite, wherein the sum of the weight percentages of components (a)-(d) is equal to 100 %. The invention further relates to the methods for making the composites of the present invention. The invention further relates to articles containing the composites of the present invention.
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