Polycarbonate compositions resistant to gamma radiation

Details Polycarbonate compositions resistant to gamma radiation Polycarbonate compositions resistant to gamma radiation

C - Chemistry, Metallurgy

08

K

400/7507, 400/75

C08K 5/34 (2006.01) C08K 5/06 (2006.01) C08K 5/20 (2006.01) C08K 5/3412 (2006.01) C08K 5/3417 (2006.01) C08L 69/00 (2006.01)

Patent

CA 1335221

The invention relates to thermoplastic poly- carbonate molding compositions comprising a polycar- bonate resin and a stabilizing agent conforming to Image where R1 and R2 independently are Image , Image or Image R3 is a hydrogen atom, a branched or linear C1-C20 alkyl or a C1-C20 cycloalkyl, and R5 and R6 independently are a hydrogen atom or a C1-C3 alkyl, x is an integer of about 1 to 70, y is an integer of about 0 to 70, R4 is C2-C6 alkyl or cycloalkyl, C6-C10 aryl or C7-C20 alkylaryl or cycloalkylaryl. The agent is homogenically distributed throughout the resin and is present in an amount sufficient to improve the gamma radiation resistance of the composition.

598588

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