Process for preparing polyolefins, polydienes and copolymers the

Details Process for preparing polyolefins, polydienes and copolymers the Process for preparing polyolefins, polydienes and copolymers the

1987-05-08

1990-12-25

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502115, 526125, 526137, 526351, 5263486, 526352, C08F 4654, C08F 1000

Patent

active

049804316

ABSTRACT:
A process for the preparation of polyolefins, polydienes and copolymers thereof by polymerization in solvents, liquid monomers or in the gaseous phase at a temperature between -20.degree. C. and 150.degree. C. using magnesium hydride, a halogen-containing transition metal compound of Group IV and an aluminium alkyl compound, characterized in that the polymerization is carried out in the presence of a catalyst system consists of

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patent: 4113654 (1978-09-01), Mayr et al.
patent: 4329253 (1982-05-01), Goodall et al.
patent: 4476288 (1984-10-01), Bujadoux
patent: 4476289 (1984-10-01), Mayr et al.
patent: 4495338 (1985-01-01), Mayr et al.
Fink et al, Makrolmol. Chem. 7 (1986), 85-89.

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