Preparation of highly pure alpha-methylstyrene polymer

Details Preparation of highly pure alpha-methylstyrene polymer Preparation of highly pure alpha-methylstyrene polymer

1986-03-31

1988-05-31

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526173, 526346, 526347, C08F 206, C08F 448

Patent

active

047482222

ABSTRACT:
An improved process for the anionic polymerization of alpha-methylstyrene polymers employs an organolithium initiator and a sodium-, potassium-, rubidium- or cesium initiator activator compound.

REFERENCES:
patent: 4075404 (1978-02-01), Douglas
patent: 4195144 (1980-03-01), Mertwoy
patent: 4252925 (1981-02-01), Fukuda
patent: 4415695 (1983-11-01), Sarkar
patent: 4525560 (1985-06-01), Smith

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