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A synthetic resin composition, having a high toughness and a wear resistance, comprises a synthetic resin with solubility parameter delta 9.5 cal cm or higher and a modifier with solubility parameter delta 8.5 cal cm or lower and dispersed therein, characterized in that a silicon containing copolye...
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Zusammenfassung: | A synthetic resin composition, having a high toughness and a wear resistance, comprises a synthetic resin with solubility parameter delta 9.5 cal cm or higher and a modifier with solubility parameter delta 8.5 cal cm or lower and dispersed therein, characterized in that a silicon containing copolyester, being a block copolymer consisting of 1 SIMILAR 90% by weight of siloxane segment represented by the undermentioned general formula (A) and 99 SIMILAR 1% by weight of polyester segment represented by the undermentioned general formula (B), the degree of polymerization of siloxane segment being 1 SIMILAR 2,000, and that of polyester segment 1 SIMILAR 1,000, is added to be mixed therewith as a dispersibility improver: (In this formula, m denotes a number of 1 SIMILAR 2,000.) or (In this formula, R1 designates one or two or more members selected from among aromatic divalent radicals having 6 SIMILAR 12 carbon atoms or aliphatic divalent radicals having 4 SIMILAR 20 carbon atoms, and R2 from among aromatic divalent radicals having 6 SIMILAR 20 carbon atoms or aliphatic divalent radicals having 2 SIMILAR 20 carbon atoms; and n stands for a number of 1 SIMILAR 1,000) |
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