Curable lactone derived resins

Details Curable lactone derived resins Curable lactone derived resins

1978-10-06

1980-02-12

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...

C08G 1842

Patent

active

041884728

ABSTRACT:
Curable lactone derived resins are the reaction product of (a) a lactone modified resin of the formula ##STR1## wherein X is the organic radical formed by removing at least one hydroxyl hydrogen atom from an ester containing from 1 to 3 acrylyl or alpha-substituted acrylyl groups and one or two hydroxyl groups, R is hydrogen or an alkyl group having from 1 to 12 carbon atoms, x is from 4 to 7 wherein at least (x+ 2) R's are hydrogen, n has an average value of from about 0.2 to about 5 and a is 1 or 2; and (b) an isocyanate.
The lactone derived resins are especially useful for floor tile coatings which are UV curable. The coatings are abrasion resistant, yet are flexible.

REFERENCES:
patent: Re29131 (1977-02-01), Smith et al.
patent: 3051687 (1962-08-01), Young et al.
patent: 3169945 (1965-02-01), Hostettler et al.
patent: 3186971 (1965-06-01), Hostettler et al.
patent: 3509102 (1970-04-01), Horn et al.
patent: 3651021 (1972-03-01), Kincaid et al.
patent: 3654347 (1972-04-01), Kincaid et al.
patent: 3892714 (1975-07-01), Sampson et al.
patent: 3931117 (1976-01-01), Leonard

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