Process for preparing rubber-modified styrenic polymer compositi

Details Process for preparing rubber-modified styrenic polymer compositi Process for preparing rubber-modified styrenic polymer compositi

1987-03-23

1989-10-24

Ziegler, Jacob

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 66, 525 67, 525 68, 525292, 525301, 525302, 525310, 525316, C08F 434, C08F 436, C08F27904, C08F29118

Patent

active

048763128

ABSTRACT:
Hydroperoxidized rubber-containing polymers are prepared in a process wherein a rigid phase polymer is prepared by polymerization of one or more free radically polymerizable monomers in the presence of a hydroperoxidized rubbery intermediate in a well stirred back-mixed reactor operating under essentially homogeneous conditions at a solids content of from about 30 to about 75 percent by weight, and an initial rubber content in the feed of from about 5 to about 12 percent by weight.

REFERENCES:
patent: 3222423 (1965-12-01), Roebuck
patent: 3515692 (1970-06-01), Carrock et al.

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