Pigmented photopolymerizable compounds stabilized against premat

Details Pigmented photopolymerizable compounds stabilized against premat Pigmented photopolymerizable compounds stabilized against premat

1975-05-29

1976-01-13

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4575R, 260 4575B, 260 4575C, 260 4575N, 260 458N, 260 459R, C08K 500

Patent

active

039323463

ABSTRACT:
Pigmented photopolymerizable ethylenically unsaturated ester compositions used as coatings and printing inks are stabilized to premature gelation by incorporating therein a stabilizing amount of a thiocarbamate compound having the formula ##EQU1## OR A METAL CATION HAVING A VALENCE OF 1 TO 3 AND EACH OF R, R.sub.1, R.sub.2, and R.sub.3 (same or different) are hydrogen, aryl, saturated and unsaturated alkyl groups having 1 to 20 carbon atoms, aralkyl or alkaryl groups having 7 to 15 carbon atoms and amino, sulfo-and oxy-substituted alkyl and aryl groups, n is an integer of 1 to 3 and x is an integer from 0 to 1.

REFERENCES:
patent: 2993789 (1961-07-01), Crawford
patent: 3218275 (1965-11-01), Geigle
patent: 3483239 (1969-12-01), Hurlock et al.

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