Cross -linked atactic or amorphous propylene polymers

Details Cross -linked atactic or amorphous propylene polymers Cross -linked atactic or amorphous propylene polymers

1996-07-11

1998-01-27

Lipman, Bernard

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

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 74, 525284, 525322, 5253337, 5253338, 525376, 525385, 525387, C08F 806

Patent

active

057123233

ABSTRACT:
Essentially atactic cross-linked propylene homopolymer or amorphous cross-linked random copolymer of propylene with ethylene and/or at least one C.sub.4 -C.sub.10 .alpha.-olefin. Polymer composition comprising the above mentioned cross-linked atactic or amorphous polymers and other olefin polymers. Foamed polymer or polymer composition obtained by foaming said cross-linked atactic or amorphous polymers or said polymer composition.
Process for the preparation of said polymer or foamed polymer composition.

REFERENCES:
patent: 4176097 (1979-11-01), Fox et al.
patent: 4305990 (1981-12-01), Kelly
patent: 5210136 (1993-05-01), Miller et al.

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