Polycarbonate processing

Details Polycarbonate processing Polycarbonate processing

1983-04-14

1984-12-11

Ivy, C. Warren

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524611, 560199, C08K 511, C08L 6900

Patent

active

044878745

ABSTRACT:
The lubricant which is incorporated into the polycarbonate resin is a complex ester formed by partial esterification of pentaerythritol with a C.sub.5 to C.sub.9 aliphatic carboxylic acid followed by reaction with a C.sub.4 to C.sub.8 aliphatic dicarboxylic acid to form a material represented by the structural formula:

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patent: 3809712 (1974-05-01), Yetter
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patent: 4082715 (1978-04-01), Mercier
patent: 4143024 (1979-03-01), Adelmann
patent: 4243575 (1981-01-01), Myers
patent: 4425458 (1984-01-01), Lindner

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