Structured-particle latexes

Details Structured-particle latexes Structured-particle latexes

1975-04-21

1977-04-12

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296T, 260 296CM, 260 297DP, 260 297UP, 260 297T, 260 297AT, C08L 3308

Patent

active

040174425

ABSTRACT:
Structured-particle latexes are prepared from nonionic or slightly cationic latexes, either preformed or polymerized in situ, by emulsion polymerizing monomeric materials which include an ethylenically unsaturated, activated-halogen monomer such as vinylbenzyl chloride in the absence of a sufficient amount of a surfactant to initiate new particles whereby the activated-halogen monomer is copolymerized on the surface of the existing particles which are dispersed in aqueous media. To the resulting structured particle latex may then be added conventional cationic surfactants to provide greater stability. The cationic latexes are suitable for coatings.

REFERENCES:
patent: 3072588 (1963-01-01), Vitkuske et al.
patent: 3254044 (1966-05-01), Gunderman et al.
patent: 3316199 (1967-04-01), Murphy
patent: 3673282 (1972-06-01), Baer
patent: 3692871 (1972-09-01), Baer
patent: 3700609 (1972-10-01), Tregear et al.
patent: 3745196 (1973-07-01), Lane et al.
patent: 3763119 (1973-10-01), DeMarco et al.

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