Thermoplastic resin compositions

Details Thermoplastic resin compositions Thermoplastic resin compositions

1996-01-04

1997-10-07

Sweet, Mark D.

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...

524423, 524428, 524431, 524441, 524445, 524449, 524451, 524452, 524504, 525 64, 525 66, 525 67, 525 68, 525 71, 525 78, 525 79, 525 80, 525 85, 525 86, C08K 338

Patent

active

056749309

ABSTRACT:
A thermoplastic resin composition having excellent characteristics such as impact resistance and coatability is described. The thermoplastic resin composition contains a propylene based polymer and a graft copolymer having an olefin homo/co-polymer portion forming its main chain and a vinyl copolymer portion forming its branched portion. In the graft copolymer, the proportion of the olefin homo/co-polymer portion is 5 to 95% by weight, and the vinyl copolymer portion occupies the remaining weight. The vinyl copolymer portion of the graft copolymer has a hydroxyl group as a functional group. One of the olefin homo/co-polymer portion and the vinyl copolymer portion forms a dispersed phase in the other with a particle size of 0.001 to 10 .mu.m. Consequently, the graft copolymer assumes a multi-phase structure. The thermoplastic resin composition optionally further contains a thermoplastic elastomer.

REFERENCES:
patent: 4839423 (1989-06-01), Moriya et al.
patent: 4962148 (1990-10-01), Orikasa et al.
patent: 5166240 (1992-11-01), Sakazume et al.
patent: 5326817 (1994-07-01), Orikasa et al.
patent: 5414055 (1995-05-01), Sugimura et al.
patent: 5424359 (1995-06-01), Arashiro et al.

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