Method for making thermally-conductive plastic articles having light reflecting surfaces
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United States of America Patent
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Issued Date -
May 26, 2005
app pub date -
Dec 16, 2004
filing date -
Jun 11, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for making molded reflector articles having light-reflecting surfaces is provided. The method involves injection-molding a thermally-conductive, polymer composition comprising: a) about 20% to about 80% by weight of a base polymer matrix such as polycarbonate; and b) about 20% to about 80% by weight of a thermally-conductive carbon material such as graphite. The method can be used to make reflector articles such as housings for automotive tail lamps, head lamps, and other lighting fixtures.
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