Process for producing brominated butyl rubber high in primary al

Details Process for producing brominated butyl rubber high in primary al Process for producing brominated butyl rubber high in primary al

1984-10-01

1987-03-10

Schofer, Joseph L.

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

Synthetic resins

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

5253328, 5253331, C08F 820

Patent

active

046491783

ABSTRACT:
A process for preparing a brominated butyl rubber high in Primary Allylic Bromine which comprises reacting the rubber in solution with elemental bromine at a temperature of about 65.degree. C. to about 130.degree. C. The process is preferably carried out under substantially anhydrous conditions.

REFERENCES:
patent: 2955103 (1960-10-01), Baldwin et al.
patent: 2962482 (1960-11-01), Cottle et al.
patent: 3009904 (1961-11-01), Serniuk et al.
patent: 3293226 (1966-12-01), Schrijver

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