Ethylenically unsaturated N-(halosulfonyl) carbamyl monomers

Details Ethylenically unsaturated N-(halosulfonyl) carbamyl monomers Ethylenically unsaturated N-(halosulfonyl) carbamyl monomers

1984-11-23

1987-05-05

Lieberman, Allan M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560132, 560148, 260543R, C07C12503, C07C12506, C07C125065, C07C125067

Patent

active

046634754

ABSTRACT:
A stable copolymer dispersion is prepared by addition copolymerization of (1) a monomeric adduct of an active hydrogen compound, e.g., a polyether polyol or polyether monool, and an ethylenically unsaturated N-chlorosulfonyl carbamyl compound such as acryloxyethylchlorosulfonylcarbamate or an unsaturated N-chlorocarbonyl carbamyl compound with (2) ethylenically unsaturated monomer(s), e.g., styrene or a mixture thereof with acrylonitrile, while (1) and (2) are dispersed or dissolved in an excess of an active hydrogen polyfunctional compound such as a polyether polyol. The molar ratio of carbamyl moiety to active hydrogen compound is preferably less than about 0.1:1. The resulting dispersion has a controlled particle size and a viscosity such that it is suitably employed in the production of polyurethane foams.

REFERENCES:
patent: 4119510 (1978-10-01), Williams
patent: 4390645 (1983-06-01), Hoffman et al.
Chemical Abstracts, vol. 72, 1970, 78967b.

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