Process for preparing copolymers of elastomeric properties from

Details Process for preparing copolymers of elastomeric properties from Process for preparing copolymers of elastomeric properties from

1976-08-16

1978-06-27

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526339, C08F 416

Patent

active

040976580

ABSTRACT:
Copolymers having elastomeric properties are prepared by the polymerization of olefinic monomers with catalysts of modified Ziegler-Natta type, wherein a mixture of isobutylene and butadiene is used as olefinic monomer.
The process renders possible the preparation of elastomeric copolymers from cheap raw materials, such as the C.sub.4 -fraction formed by the pyrolysis of gasoline.

REFERENCES:
patent: 3808177 (1974-04-01), Thaler
patent: 3850897 (1974-11-01), Priola

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