Modified polyisobutene

Details Modified polyisobutene Modified polyisobutene

1990-08-15

1991-10-01

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526272, 549233, C08F26704, C08F22204, C07D30760

Patent

active

050534629

ABSTRACT:
A modified polyisobutene has the general formula I ##STR1## where R.sup.1 is an olefinically unsaturated divalent radical, R.sup.2 is one of the radicals --CH.sub.2 --C(.dbd.CH.sub.2)--CH.sub.2 -- or --CH.sub.2 --C(CH.sub.3).dbd.CH-- or m and n are each a degree of polymerization in particular from 1 to 1000.

REFERENCES:
patent: 4029592 (1977-06-01), Puskas et al.
patent: 4316973 (1982-02-01), Kennedy
patent: 4767885 (1988-08-01), Kennedy
Polymer Bulletin, 21, 1989, pp. 5-12, M. Zsuga et al., "Electron Donors in Carbocationic Polymerization".
Polymer Bulletin, 21, 1989, pp. 125-131, R. Faust et al., "Living Carbocationic Polymerization".
Polymer Bulletin, 18, 1987, pp. 433-440, Mah et al., "New Telechelic Polymers and Sequential Copolymers by Polyfunctional Initiator-Transfer Agents (Inifers)".
Polymer Bulletin, 18, 1987, pp. 123-130, G. Kaszas et al.
Polymer Bulletin, 20, 1988, pp. 221-228, W. Guanying et al., "The Synthesis of Chlorine-Terminated Telechelic Polyisobutylene".
Polymer Bulletin, 20, 1988, pp. 229-236, W. Guanying et al., "The Synthesis of Chlorine-Terminated Telechelic Polyisobutylene".

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