Telechelic polymerization of epichlorohydrin

Details Telechelic polymerization of epichlorohydrin Telechelic polymerization of epichlorohydrin

1990-04-27

1991-08-20

Nielsen, Earl

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

Synthetic resins

From heterocyclic reactant containing as ring atoms oxygen,...

528417, C08G 6522, C08G 6524

Patent

active

050415310

ABSTRACT:
A process for preparing polyepichlorohydrin which comprises polymerizing epichlorohydrin in the presence of a catalytic amount of 1,4-butaneditriflate. The resulting polymer can have a molecular weight of about 5,000 to about 15,000. The polymer is telechelic. It can be terminated with a broad variety of functional groups.

REFERENCES:
patent: 3850856 (1974-11-01), Dreyfuss
patent: 4043967 (1977-08-01), Berg
patent: 4115295 (1978-09-01), Robins et al.
patent: 4126631 (1978-11-01), Krespan et al.
patent: 4569990 (1986-02-01), Kasper et al.

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