Process for the preparation of polyisocyanates containing alloph

Details Process for the preparation of polyisocyanates containing alloph Process for the preparation of polyisocyanates containing alloph

1978-05-24

1979-12-04

Cockeram, H. S.

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...

427 30, 427185, 528 44, 528 49, 528 59, 528 65, 528 85, C08G 1832, C08G 1879, C08G 1880

Patent

active

041773420

ABSTRACT:
This invention relates to a new process for the preparation of new organic polyisocyanates having at least three isocyanate groups and containing allophanate groups, to the polyisocyanates obtainable by this process, and to their use as components for the production of polyurethane resins.

REFERENCES:
patent: 3248373 (1966-04-01), Baninger
patent: 3368985 (1968-02-01), Wismer et al.
patent: 3397184 (1968-08-01), Heydkamp et al.
patent: 3491067 (1970-01-01), Sellet
patent: 3595814 (1971-07-01), Lloyd et al.
patent: 3769318 (1973-10-01), Windemuth et al.
patent: 4070345 (1978-01-01), Winkelmann et al.
patent: 4107151 (1978-08-01), Takahashi et al.

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