Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing
Patent
1982-12-09
1986-05-13
Sneed, Helen M. S.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heavy metal containing
524376, 556440, 558186, C07F 728
Patent
active
045888302
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.
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Fisk Thomas E.
Hoffman Dwight K.
Sneed Helen M. S.
The Dow Chemical Company
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