Graft copolymers from unsaturated monomers and peroxy di-ester p

Details Graft copolymers from unsaturated monomers and peroxy di-ester p Graft copolymers from unsaturated monomers and peroxy di-ester p

1979-02-15

1980-07-01

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521138, 521157, 521172, C08G 1814

Patent

active

042107270

ABSTRACT:
Graft copolymers are prepared by the polymerization of an ethylenically unsaturated monomer, or a mixture of such monomers, in the presence of a peroxy di-ester polyol. Presence of the peroxy group in the polyol reactant itself serves as a free radical initiator site for the graft copolymerization reaction. The copolymers formed are utilized in the formulation of polyurethane compositions.

REFERENCES:
patent: 3383351 (1968-05-01), Stamberger
patent: 3652639 (1972-03-01), Pizzini et al.
patent: 3752802 (1973-08-01), Sheppard et al.
patent: 3823201 (1974-07-01), Pizzini et al.
patent: 3932562 (1976-01-01), Takahashi
patent: 4125487 (1978-11-01), Olstowski
patent: 4144215 (1979-03-01), Khachaturian

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