At least partially blocked organic polyisocyanates, a process fo

Details At least partially blocked organic polyisocyanates, a process fo At least partially blocked organic polyisocyanates, a process fo

1993-11-23

1994-09-27

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...

2521822, 25218221, 25218222, C08G 1880

Patent

active

053508254

ABSTRACT:
The present invention relates to organic polyisocyanates which have a content of unblocked and blocked isocyanate groups (calculated as NCO) of 5 to 20 wt.%, preferably 7 to 15 wt.%, wherein at least 95%, preferably 100%, of the isocyanate groups are present in blocked form and wherein the blocking agent contains

REFERENCES:
patent: 4007215 (1977-02-01), Hartmann et al.
patent: 4482721 (1984-11-01), Wegner et al.
patent: 4495229 (1985-01-01), Wolf et al.
patent: 4576979 (1987-03-01), Schupp et al.
patent: 4608416 (1986-08-01), Schupp et al.

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