Carbocationic catalysts and process for using said catalysts

Details Carbocationic catalysts and process for using said catalysts Carbocationic catalysts and process for using said catalysts

1994-06-21

1995-05-23

Nagumo, Mark

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526135, 526147, 526 91, 526192, 526195, 526226, 526172, 526204, 526206, 526217, C08F 444

Patent

active

054183030

ABSTRACT:
A carbocationic catalyst composition comprising an initiator of water, a tertiary alkyl or aralkyl halide, ester, ether, carboxylic acid, acid halide or a polymeric halide and a co-initiator of an alkoxy metal halide, is used to produce narrow molecular weight distribution olefin polymers particularly isobutylene/para-methyl-styrene copolymers.

REFERENCES:
patent: 4611037 (1986-09-01), Musch et al.
patent: 5169914 (1992-12-01), Kaszas et al.
patent: 5194538 (1993-03-01), Puskas et al.
patent: 5342908 (1994-08-01), Osman

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