Urea- and uretdione-functional polyisocyanates

Details Urea- and uretdione-functional polyisocyanates Urea- and uretdione-functional polyisocyanates

1999-04-15

2000-12-05

Gorr, Rachel

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...

528 73, 525123, 525124, 25218221, 540202, C08G 1880

Patent

active

061568635

ABSTRACT:
A urea- and uretdione-functional polyaddition compound having free, partially or totally blocked isocyanate groups and having the following structure: ##STR1## wherein the substituents are defined as follows: ##STR2## n: 1-20; R.sub.1 is R or a linear, branched or cyclic alkylene or phenylene radicals having 2-16 carbon atoms;

REFERENCES:
patent: 3998794 (1976-12-01), Muller et al.
patent: 5847067 (1998-12-01), Gras
patent: 5883249 (1999-03-01), Wolf

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