Polyurethane powder enamels free of cleavage products as well as

Details Polyurethane powder enamels free of cleavage products as well as Polyurethane powder enamels free of cleavage products as well as

1983-01-25

1984-07-31

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...

525440, 525457, 525504, 525509, 528 73, C08G 1880

Patent

active

044631545

ABSTRACT:
A polyurethane powder enamel free of volatile cleavage products comprising an adduct of the uretidinedione dimer of isophorone diisocyanate with a diol, wherein the adduct has the formula ##STR1## wherein R= ##STR2## X=NCO or ##STR3## R"=a divalent aliphatic, cycloaliphatic, aromatic or araliphatic hydrocarbon radical or a diol, n>1, and

REFERENCES:
patent: 3998794 (1976-12-01), Muller et al.
Chem. Abstr., vol. 85, 144945q, 1976, p. 109.
Chem. Abstr., vol. 84, 91789n, 1976.

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