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US 10,767,044 B2Granted
Ionizing radiation resistant polycarbonate resin composition and molded article containing same
AssigneeLotte Advanced Materials Co., Ltd.
InventorsHyun Hye Jang, Chang Heon Lee, Woo Suk Chei, O Sung Kwon
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Abstract
A polycarbonate resin composition of the present invention comprises: a polycarbonate resin; and a polycarbonate polyol comprising a terminal hydroxyl group and a repeat unit represented by Formula 1. The polycarbonate resin composition exhibits good properties in terms of color, impact resistance, stiffness and the like even after irradiation with ionizing radiation.
Claims16
A polycarbonate resin composition, comprising:
- a polycarbonate resin;
- and
- about 0.1 parts by weight to 0.375 parts by weight relative to about 100 parts by weight of the polycarbonate resin of a polycarbonate polyol having a number average molecular weight of about 1,000 g/mol to about 5,000 g/mol and containing terminal hydroxyl groups;
- a repeat unit represented by Formula 1a;
- and a repeat unit represented by Formula 1b:
- where R2 is a C1 to C4 linear alkylene group or a C3 to C4 branched alkylene group;
- and
- where R3 is a C5 to C15 linear alkylene group, a C5 to C15 branched alkylene group, or a C5 to C15 cyclic alkylene group.
5 more elements
Dependencies are inferred from the claim text.