Polyisobutenes

Details Polyisobutenes Polyisobutenes

1977-12-23

1979-05-01

Holler, Alan

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

Synthetic resins

Effecting a change in a polymerization process in response...

252 515A, 526237, 526272, 5263487, 585 18, 585525, C08F 414, C08F11010, C08F 846

Patent

active

041524993

ABSTRACT:
Isobutene polymers having a mean degree of polymerization P of from 10 to 100 and a proportion E of double bonds, capable of reaction with maleic anhydride, of from 60 to 90%, where E=100% corresponds to the calculated theoretical value for the case where each molecule of the isobutene polymer contains such a reactive double bond.

REFERENCES:
patent: 2559984 (1951-07-01), Montgomery et al.
patent: 2918508 (1959-12-01), Coopersmith et al.
patent: 3634383 (1972-01-01), Miller, Jr.
patent: 3726842 (1973-04-01), Trieschmann et al.
patent: 3778487 (1973-12-01), Driscoll et al.

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