Preparation of peroxide terminated polycarbonate

Details Preparation of peroxide terminated polycarbonate Preparation of peroxide terminated polycarbonate

1991-11-27

1993-03-02

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528196, C08G 6420

Patent

active

051910586

ABSTRACT:
Peroxy-terminated polycarbonates are prepared by the reaction of an aromatic dihydroxy compound, preferably a bisphenol, with phosgene in one or two steps, in the presence of a peroxy ester such as the mono-t-butyl perester of maleic acid. The peroxy-terminated polycarbonates may be employed to initiate vinyl polymerization of ethylenically unsaturated monomers or to react with polymers containing ethylenically unsaturated groups, to form copolymers which are useful as compatibilizers for blends of polycarbonates with said polymers.

REFERENCES:
patent: 4304882 (1981-12-01), D'Angelo et al.

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