High impact resistant polycarbonate and process for producing said polycarbonate
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United States of America Patent
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Feb 20, 1990
Grant Date -
N/A
app pub date -
Apr 27, 1988
filing date -
Jun 3, 1987
priority date (Note) -
Expired
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Abstract
High impact resistant polycarbonate, a process for producing said polycarbonate, and a polycarbonate resin composition are disclosed. This polycarbonate consists of a main chain with a cumylphenoxy group, as a terminal group, bonded to at least one end thereof, said main chain comprising a repeating unit represented by the formula (I): ##STR1## and has a viscosity average molecular weight of at least 10,000 and an acetone soluble content of not more than 3.5 wt %. The polycarbonate can be efficiently produced by the process of the invention. The composition comprises a polycarbonate resin and a specific amount of a phosphorus-based antioxidant.
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