Isobutylene polymer having unsaturated group and preparation the

Details Isobutylene polymer having unsaturated group and preparation the Isobutylene polymer having unsaturated group and preparation the

1991-04-15

1994-03-01

Jagannathan, Vasu S.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525244, 525319, 525918, 526337, 5263486, 5263487, C08F 452, C08F21010, C08F23620

Patent

active

052908739

ABSTRACT:
An isobutylene polymer having an unsaturated group and comprising more than one unit per molecule on the average of the formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are the same or different and each a hydrogen atom or a C.sub.1 -C.sub.8 alkyl group, R' and R" are the same or different and each a hydrogen atom, a methyl group or an ethyl group, and Q is a C.sub.1 -C.sub.30 divalent organic group, which provides a cured material having improved weather resistance.

REFERENCES:
patent: 3997417 (1976-12-01), Marek et al.
patent: 4327201 (1982-04-01), Kennedy et al.
patent: 4524188 (1985-06-01), Kennedy et al.
patent: 4929683 (1990-05-01), Kennedy et al.

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