Polyester resin composition
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United States of America Patent
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Nov 16, 1993
Grant Date -
N/A
app pub date -
Nov 7, 1991
filing date -
Nov 7, 1990
priority date (Note) -
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Abstract
A polyester resin composition; (A) which contains (a) a thermoplastic polyester resin, and (b) a carbon black and/or a graphite, and (B) in which the content of the above component (b) is 0.001 to 2% by weight based on the total weight of the components (a) and (b). The polyester resin composition may further contain (c) a bromine-containing flame retardant, (d) an antimony-containing flame retardant aid and (e) an inorganic filler in addition to the components (a) and (b). This polyester resin composition permits marking of fine lines and precise print with a high contrast with a laser light.
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