Process for producing epihalohydrin copolymer rubber

Details Process for producing epihalohydrin copolymer rubber Process for producing epihalohydrin copolymer rubber

1980-06-25

1981-11-10

Nielsen, Earl A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 94, 528361, 528416, C08G 6512, C08G 6514, C08G 6524

Patent

active

042999448

ABSTRACT:
A process for producing an epihalohydrin copolymer rubber, which comprises copolymerizing an epihalohydrin with another epoxy compound using as a catalyst the reaction product of an organoaluminum compound, a phosphoric acid compound and 1,8-diaza-bicyclo(5,4,0)undecene-7 or its salt.

REFERENCES:
patent: 3697496 (1972-10-01), Ueno et al.
patent: 3700608 (1972-10-01), Ueno et al.
patent: 3880779 (1975-04-01), Unoura et al.
patent: 4024109 (1977-05-01), Cherubim

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