Process for producing blocked, urea group-containing polyisocyan

Details Process for producing blocked, urea group-containing polyisocyan Process for producing blocked, urea group-containing polyisocyan

1988-09-16

1990-05-15

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Isocyanate esters

560351, 546244, 564 15, C07C119042, C07C119045, C07C119048, C07D21156

Patent

active

049259741

ABSTRACT:
A process for the production of a blocked urea group-containing polyisocyanate from a partially blocked polyisocyanate and polyamine, comprising the steps of:

REFERENCES:
patent: 3392183 (1968-07-01), Windemuth et al.
patent: 3926875 (1987-05-01), Tsugukuni et al.
patent: 4410678 (1988-09-01), Holubka et al.

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