Polyacetal molding compositions and their use

Details Polyacetal molding compositions and their use Polyacetal molding compositions and their use

1992-12-10

1995-05-16

Cain, Edward

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...

524275, 524277, 524488, C08K 500

Patent

active

054161525

ABSTRACT:
A polyacetal molding composition comprising, as the active additive, at least one
a) ester of long-chain monocarboxylic acids (C.sub.22 to C.sub.34) with mono- or polyhydric alcohols (C.sub.2 to C.sub.8), in the presence or absence of alkali metal and/or alkaline earth metal salts of the carboxylic acids mentioned, and/or
b) polyethylene wax, is distinguished by a reduced tendency toward melt fracture. Such molding compositions can advantageously be employed in the production of shaped articles which show no undesirable defects in the surface.

REFERENCES:
patent: 4391741 (1983-07-01), Massamoto et al.
patent: 4695609 (1987-09-01), Stevenson et al.
patent: 4873282 (1989-10-01), Yui et al.
patent: 5173532 (1992-12-01), Endo et al.
patent: 5254635 (1993-10-01), Stevenson et al.
patent: 5326828 (1994-07-01), Rowland et al.
T. L. Jablonowski, "Tetrabenzylthiuram disulfide and N-cyclohexylbis-(2-benzothiazolesulfen)amide as Alternative Accelerators to Reduce the Generation of Hazardous Nitrosamines", Paper No. 41, Presented at ACS Rubber Div. Meeting, Oct. 8-11, 1991.
Derwent Abstract, JP 63 175 069 (Jul. 19, 1988).

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