Propylene polymer composition

Details Propylene polymer composition Propylene polymer composition

1986-06-30

1988-03-29

Lilling, Herbert J.

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...

524310, 524312, 524313, 524314, 524322, 524323, 524505, 524528, C08K 510, C08K 509, C08L 5300

Patent

active

047344482

ABSTRACT:
A propylene polymer composition having excellent whitening resistance, impact resistance, rigidity and flowability.
The propylene polymer composition comprises (A) 100 parts by weight of a propylene polymer or a modified polymer obtained by heat-treating the propylene polymer in an organic peroxides and (B) 0.1 to 1.5 parts by weight of an ester of an aliphatic saturated monocarboxylic acid and a polyhydric alcohol, and the propylene polymer essentially consists of two particular polymer fractions or three particular polymer fractions polymerized over stereoregular catalysts and combinationed in a specific ratio.

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patent: 4565844 (1986-01-01), Kasahara et al.
patent: 4626565 (1986-12-01), Kawai et al.

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