High-tenacity, high-impact-strength thermoplastic compositions
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United States of America Patent
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Oct 19, 1993
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N/A
app pub date -
Jul 14, 1992
filing date -
Aug 2, 1991
priority date (Note) -
Expired
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Abstract
Thermoplastic compositions comprising: (a) from 55 to 85% by weight of at least one aromatic polyester; (b) from 10 to 40% by weight of at least one elastomeric copolymer constituted by 45-90 mol % of ethylene, 5-50 mol % of an alkyl acrylate or alkyl methacrylate, in which the alkyl moiety contains from 1 to 8 carbon atoms, 0.3-5 mol % of an unsaturated epoxide; (c) from 0.5 to 5% by weight of at least one elastomeric copolymer constituted by 45-90 mol % of ethylene, 5-50 mol % of an alkyl acrylate or alkyl methacrylate, in which the alkyl moiety contains from 1 to 8 carbon atoms, 0.1-5 mol % of monomeric units functionalized with amido-aminic and/or imido-aminic moieties; with the total of the percentages of components (a), (b) and (c) equating 100.
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