Polycarbonate compositions having mold-release properties

Details Polycarbonate compositions having mold-release properties Polycarbonate compositions having mold-release properties

C - Chemistry, Metallurgy

08

L

C08L 69/00 (2006.01) C07C 69/675 (2006.01) C08K 5/103 (2006.01)

Patent

CA 2183213

A thermoplastic molding composition having improved release properties is disclosed. The composition contains a polycarbonate resin and a mold release agent which is an ester conforming structurally to R?O-CO-R'-O-CO-R"]m where R is a member selected from the group consisting of glyceryl, trimethylol propyl and pentaerythrityl radicals, m is 2 to 4, R' is a C8-20 hydrocarbon radical having a pendant alkyl group, and R" is the esterification residue of a C1-24 aliphatic or an aromatic carboxylic acid.

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