Injection-molded product with superior dimensional precision
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United States of America Patent
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Oct 6, 1992
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N/A
app pub date -
Dec 11, 1991
filing date -
Jul 21, 1989
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Abstract
There is disclosed a polycarbonate composition which comprises having a melt flow rate of 5 to 50 g/10 min and composed of: (a) 30 to 65 parts by weight of a thermoplastic aromatic polycarbonate, (b) 70 to 35 parts by weight of glass fibers with an average diameter of 3 to 15 .mu.m, and (c) 0.01 to 15 parts by weight of at least one component selected from the group consisting of (c-1) to (c-3) shown below formulated therein based on 100 parts by weight of the total amount of (a) and (b): (c-1) 0.3 to 10 parts by weight of a brominated polystyrene with an average particle size of 0.1 to 50 .mu.m; (c-2) 0.3 to 10 parts by weight of zinc sulfide with an average particle size of 0.1 to 50 .mu.m; and (c-3) 0.01 to 5 parts by weight of a melamine-cyanuric acid adduct with an average particle size of 0.1 to 50 .mu.m.
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