Wet adhesion emulsions of polymer resins systems employed in wat

Details Wet adhesion emulsions of polymer resins systems employed in wat Wet adhesion emulsions of polymer resins systems employed in wat

1978-01-31

1979-04-24

Welsh, Maurice J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296T, 260 296RW, C08L 3500

Patent

active

041511425

ABSTRACT:
Improved wet adhesion properties of water-based paints and coating compositions are obtained by incorporating into the polymeric resin emulsion systems employed in the formulation of such paints or coating compositions a monomeric compound having a terminal ureido group at one end thereof and a vinyl terminal group at the opposite end. Such incorporated monomeric compounds correspond to the general formula ##STR1## wherein R is H or CH.sub.3, U designates a cyclic or acyclic ureido or thioureido group and L designates a selected linking structure. In the simplest of such monomeric compounds, L is --CH.sub.2 --, as specifically represented by allyl urea. In other representative compounds the linking group L may be a polymethylene group - (CH.sub.2).sub.n --or the chain may contain one or more oxy (ether), amino, amido or carbonyl groups, provided that any carbonyl group (CO) present is not directly attached to U or to an ethylenic carbon atom nor is such ethylenic carbon directly attached to a nitrogen atom. Among preferred monomeric compounds imparting such improved wet adhesion are: N-Beta-allylaminoethyl ethylene urea, allyloxy-N-B-(1-ethylene ureido) ethyl acetamide, and allyl ester of N-ethyl-B-(1-ethylene ureido)-N-methyl carbamate. The polymer resin in the emulsion is one formed from one or more ethylenically unsaturated monomer compounds, such as acrylates and methacrylates, vinyl esters, vinyl chloride, mono- or di-ethylenic hydrocarbons; or copolymers, interpolymers or blends of these.

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patent: 2881155 (1959-04-01), Hankins
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Chemical Abstracts Reprint of the Introduction to the Subject Index to vol. 56, 1962, p. 91n.

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