Water-dispersible, radiation-crosslinkable binding agents from u

Details Water-dispersible, radiation-crosslinkable binding agents from u Water-dispersible, radiation-crosslinkable binding agents from u

1980-09-02

1982-07-13

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

20415914, 20415916, 20415922, 427 36, 427 41, 427 44, 4273855, 4284231, 528 71, 528 74, 528 75, C08G 1838

Patent

active

043395660

ABSTRACT:
A water-dispersible urethane acrylate binding agent which comprises a reaction product of: (A) 1 gram equivalent NCO of a di- or tri-isocyanate; (B) from 0 to 0.7 gram equivalent OH of a polyol, free of organically bound sulphur; (C) from 0.1 to 0.7 gram equivalent OH of a hydroxy-(C.sub.2 -C.sub.6 alkyl)-acrylate; and (D) from 0.01 to 0.5 gram equivalent NH of an amino sulphonic acid or an alkali metal or an alkaline earth metal salt thereof having from 1 to 4 amino groups per sulphonic acid group; the ratio of NCO group: NCO-reactive groups being from 1:1 to 1:1.2 which are prepared by reacting components (A), (B), (C), and (D) in a ratio of NCO groups:NCO-reactive groups of from 1:1 to 1:1.2 at a temperature of from 20.degree. to 100.degree. C. The water-dispersible urethane acrylates, hardenable by high energy radiation or ultraviolet light, are particularly suitable in the production of coatings, painting and printing colors and as binding agent in an aqueous dispersion for impregnating textiles and strengthening non-woven fabrics.

REFERENCES:
patent: 4012302 (1977-03-01), Wong et al.
patent: 4057431 (1977-11-01), Finelli
patent: 4153778 (1979-05-01), Parks
patent: 4224418 (1980-09-01), Dieterich et al.
Okayaki et al., Chem. Abstr., vol. 81, 1974; 14197d.

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