Lotte Advanced Materials Co., Ltd.

Hyun Hye Jang

O Sung Kwon

Woo Suk Chei

Jun Ho Chi

Jong Chan Hur

Chang Heon Lee

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.

Ionizing radiation resistant polycarbonate resin composition and molded article containing same

A polycarbonate resin composition of the present invention comprises: a polycarbonate resin; a polyalkylene glycol; an epoxy ester compound containing an ester group and an epoxy group; and a halogenated polycarbonate oligomer. The polycarbonate resin composition has excellent discoloration resistance, color, hydrolysis resistance, flame retardancy and the like even after being irradiated with ionizing radiation.

Ionizing-radiation-resistant polycarbonate resin composition, and molded product comprising same

Disclosed herein is a polycarbonate resin composition. The polycarbonate resin composition includes: a polycarbonate resin; a polyalkylene glycol compound; and an anthraquinone colorant, wherein the polycarbonate resin composition has a yellow index (YI) of about &#x2212;2 to about 2, as measured in accordance with ASTM D1925 after irradiating an about 3.2 mm thick specimen with &#x3b3;-rays at about 25 kGy and leaving the specimen for 7 days and has an a* value of about &#x2212;2 to about 2 and a b* value of &#x2212;2 to about 2 as measured in accordance with ASTM D2244 after irradiating an about 3.2 mm thick specimen with &#x3b3;-rays at about 25 kGy and leaving the specimen for 7 days. The polycarbonate resin composition can exhibit excellent properties in terms of color, transparency, and impact resistance after being irradiated with ionizing radiation.

Ionizing radiation resistant polycarbonate resin composition and article comprising the same

A polycarbonate resin composition includes: a polycarbonate resin; a polyalkylene glycol compound; and an organic-inorganic hybrid pigment, and has a yellow index (YI) of about &#x2212;2 to about 4 after irradiation with gamma rays, as measured in accordance with ASTM D1925 after irradiating an about 3 mm thick specimen with gamma rays at about 25 kGy and leaving the specimen for 7 days. The polycarbonate resin composition can exhibit excellent properties in terms of color and impact resistance after being irradiated with ionizing radiation.

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Uiwang-si, South Korea

Hyun Hye Jang