Process for producing low molecular weight styrene series polyme

Details Process for producing low molecular weight styrene series polyme Process for producing low molecular weight styrene series polyme

1978-07-07

1980-12-02

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526227, 526293, 526321, 5263292, 526331, 526340, 526342, 526346, 526347, C08F 1208

Patent

active

042372577

ABSTRACT:
Styrene-type monomers are polymerized, or mixtures of styrene-type monomers and other vinyl type monomers and copolymerized, at 50.degree.-120.degree. C. using 1-10 wt%, based on the weight of the monomers, of an organic peroxide polymerization initiator whose decomposition temperature at 10 hours of halflife is 40.degree. C. to 70.degree. C. whereby colorless low molecular weight styrene series polymers are obtained at a high yield, using polymerization apparatus of simple structure.

REFERENCES:
patent: 2464062 (1949-03-01), Strain
patent: 3108093 (1963-10-01), Pajaczkowski
patent: 3129206 (1964-04-01), Pajaczkowski
Encyclopedia of Polymer Sci. and Technology 13, p. 167 (1970).
Encyclopedia of Polymer Sci. and Technology 2, p. 645 (1965).

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