Water-dispersible blocked isocyanates, method of manufacture, an

Details Water-dispersible blocked isocyanates, method of manufacture, an Water-dispersible blocked isocyanates, method of manufacture, an

1996-01-19

1997-12-02

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 59, 528 70, 524507, 524591, 2521822, 25218221, 25218222, 81156, 8192, 525124, C08G 1810

Patent

active

056937377

ABSTRACT:
The invention relates to a blocked polyisocyanate having an NCO functionality of from 2.2 to 4.5 and an average molecular weight of 800 to 25,000 and containing (1) blocked isocyanate groups corresponding to an NCO content of 5 to 20 wt. % calculated as free NCO, relative to unblocked polyisocyanate, (2) 1 to 75 meq of ionic groups per 100 g of blocked polyisocyanate, and (3) 3 to 40 wt. % of polyalkylene oxide units relative to the blocked polyisocyanate prepared by the reaction of

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