Polymerization process

Details Polymerization process Polymerization process

1981-11-03

1983-05-17

Wong, Jr., Harry

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

Synthetic resins

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

526212, 526290, C08F 200, C08F11000

Patent

active

043840825

ABSTRACT:
In a process for the polymerization of unsaturated aromatic hydrocarbons with BF.sub.3 -etherate or BF.sub.3 -phenolate as the polymerization catalyst, the improvement comprising using BF.sub.3 -alcoholates as a co-catalyst.

REFERENCES:
patent: 2373725 (1945-04-01), Ward
patent: 3880820 (1975-04-01), Sato
patent: 4098983 (1978-07-01), Osborn et al.
patent: 4105843 (1978-08-01), Iwase et al.
patent: 4113931 (1978-09-01), Spengler et al.

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