Addition polymerizable adducts for nonaqueous dispersions

Details Addition polymerizable adducts for nonaqueous dispersions Addition polymerizable adducts for nonaqueous dispersions

1985-05-09

1987-02-03

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

524145, 524198, 524199, 524201, 524244, 524245, 524306, 524308, 524311, 524312, 524314, 525185, 525186, 525188, 525189, 525190, C08G 1814

Patent

active

046409351

ABSTRACT:
An adduct of a heteroatomic monomer, e.g., gamma-methacryloxypropyl trimethoxysilane and a monoahl, e.g., a monohydroxyl polyalkylene oxide or a polyahl, e.g., a polypropylene glycol, is usefully employed in the preparation of stable copolymer dispersions of the type used in the production of polyurethane foams and polyurethane elastomers.
The copolymer dispersion is prepared by addition copolymerization of (1) the adduct with (2) ethylenically unsaturated monomer(s), e.g., styrene or mixture thereof with acrylonitrile, while (1) and (2) are dispersed or dissolved in an excess of a polyahl, i.e., an active hydrogen polyfunctional compound.

REFERENCES:
patent: 3304273 (1967-02-01), Stamberger
patent: 3383351 (1968-05-01), Stamberger
patent: 3523093 (1970-08-01), Stamberger
patent: 3652639 (1972-03-01), Pizzini et al.
patent: 3823201 (1974-07-01), Pizzini et al.
patent: 4062693 (1977-12-01), Berger

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