Method for curing urethane resins

Details Method for curing urethane resins Method for curing urethane resins

1982-02-09

1983-10-04

Kight, III, John

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 53, 528 45, C08G 1808, C08G 1818, C08G 1881

Patent

active

044080344

ABSTRACT:
A method for curing an isocyanate group-containing compound, which comprises treating with a tertiary amine in a vapor-phase state an isocyanate compound having in one molecule not less than two isocyanate groups linked to an aromatic nucleus through a methylene group or an isocyanate-terminated urethane resin obtained by the reaction thereof with an active-hydrogen containing compound.
The isocyanate compounds or isocyanate-terminated urethane resins are allowed to cure and dry for a shortened period of time ranging from about 1 to 10 minutes.
The method of this invention can be advantageously employed in field, such as continuous painting and printing.

REFERENCES:
patent: 3874898 (1975-04-01), McInnes et al.

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