Moldable polyblends of polyolefins and styrenic resins

Details Moldable polyblends of polyolefins and styrenic resins Moldable polyblends of polyolefins and styrenic resins

1989-09-11

1991-07-23

Bleutge, John C.

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...

525 71, 525 74, 525 89, 525 93, C08L 2310, C08L 5104

Patent

active

050344498

ABSTRACT:
A polyblend composition containing an olefin polymer, a rubber-modified styrenic resin, and a block copolymer compatibilizer is disclosed. In a preferred embodiment, a crystalline propylene polymer, a styrene/maleic anhydride random thermoplastic copolymer modified with a grafted styrene/butadiene rubber, and a hydrogenated styrene/butadiene block copolymer are intimately mixed to form a useful thermoplastic polyblend.

REFERENCES:
patent: 4097551 (1978-06-01), Digiulio
patent: 4147739 (1979-04-01), Lee
patent: 4386187 (1983-05-01), Gramcie et al.
patent: 4386188 (1983-05-01), Gramcie et al.
patent: 4582871 (1986-04-01), Noro et al.
Bartlett et al [Mod. Plastics 60 (Dec. 1981)].

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