In-situ polyvinyl grafting of polyurethanes

Details In-situ polyvinyl grafting of polyurethanes In-situ polyvinyl grafting of polyurethanes

1978-05-30

1980-01-01

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521167, 521172, 528 75, 528 80, 525 63, C08G 1863, C08G 1814, C08G 1816

Patent

active

041817818

ABSTRACT:
Disclosed is a process for preparing polyurethane which comprises including an azo or peroxy di-ester polyol and an ethylenically unsaturated monomer in a polyurethane reaction formulation to effect simultaneous graft copolymerization and polyurethane polymerization. Novel polyurethane compositions are produced.

REFERENCES:
patent: 3383351 (1968-05-01), Stamberger
patent: 3752802 (1973-08-01), Sheppard et al.
patent: 3823201 (1974-07-01), Pizzini et al.
patent: 4094868 (1978-06-01), Chandalia et al.
patent: 4125487 (1978-11-01), Olstowski

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