C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/468, 260/386
C07C 271/08 (2006.01) C08F 290/06 (2006.01) C08G 65/333 (2006.01)
Patent
CA 2028040
- 1 - HOE 89/F 342 Abstract of the disclosure Ethylenically unsaturated, surface active urethane derivatives and process for their preparation Ethylenically unsaturated surface active urethane deriva- tives prepared by reacting alkyl, aryl, aralkyl or cycloalkyl monoisocyanates with hydroxypolyoxyalkyleneoxycarbonylalkenes or with N-(hydroxypolyoxyalkylene)-alkenecarboxamides in the absence of water in bulk or in inert organic solvents or optionally also in reactive diluents, which are copoly- merizable ethylenically unsaturated monomeric compounds which are inert under the reaction conditions, such as, for example, vinyl esters, vinyl aromatics, and (meth)acrylic esters. The urethane derivatives prepared according to the invention are surface active in their monomeric form and are in most cases solid or waxy or highly viscous pro- ducts. Their solubilities in water and in inert organic solvents or inert reactive diluents is highly dependent on the structure and size of the polyalkylene oxide radicals and also on the size of the hydrophobic radical at the nitrogen atom of the urethane group, so that, according to the invention, monomeric urethane deriva- tives which are readily soluble not only in water but also in inert organic solvents can be obtained. These are polymerizable or copolymerizable via their ethylenically unsaturated acyloxy or acylamido radicals and are versatile in use for the preparation of polymers or copolymers by free-radical initiated polymerization or copolymerization.
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
Huth Hans-Ullrich
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