Release agents for polycarbonate molding compositions

Details Release agents for polycarbonate molding compositions Release agents for polycarbonate molding compositions

1989-11-01

1991-03-19

Kight, III, John

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...

524311, 524315, C08K 511

Patent

active

050011804

ABSTRACT:
A monoester derived from guerbet alcohol and a monocarboxylic acid or a hydroxy carboxylic acid was found to be an effective mold release agent for a thermoplastic molding composition which comprise an aromatic polycarbonate resin. The alcohol of the invention is a guerbet alcohol having about 20 to 60 carbon atoms and the monoacid is characterized in that it has about 1 to 22 carbon atoms.

REFERENCES:
patent: 3784595 (1974-01-01), Schirmer et al.
patent: 4065436 (1977-12-01), Adelmann et al.
patent: 4097435 (1978-06-01), Rawlings et al.
patent: 4131575 (1978-12-01), Adelmann et al.
patent: 4143024 (1979-03-01), Adelmann et al.
patent: 4425458 (1984-01-01), Lindner et al.

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