Process for the preparation of random copolymers of conjugated d

Details Process for the preparation of random copolymers of conjugated d Process for the preparation of random copolymers of conjugated d

1990-08-15

1994-08-09

Teskin, Fred

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

Synthetic resins

Removing and recycling removed material from an ongoing...

526 67, 526 87, 526 89, 526173, 526340, 525386, C08F 206, C08F23610

Patent

active

053367375

ABSTRACT:
A process for the preparation of a random copolymer of at least one conjugated diene and at least one vinyl aromatic compound comprising reacting the monomers with the aid of an initiator based on lithium in the presence of an essentially inert solvent wherein said solvent consists of at least 60 per cent by weight of cyclopentane and the heat of reaction is withdrawn by means of reflux cooling.

REFERENCES:
patent: 2975160 (1961-03-01), Zelinski
patent: 3294768 (1966-12-01), Wofford
patent: 3953543 (1976-04-01), Futamura et al.
patent: 4061848 (1977-12-01), Sistig et al.
patent: 4121031 (1978-10-01), Minekawa et al.

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