Process for production of isocyanurate ring-containing polyisocy

Details Process for production of isocyanurate ring-containing polyisocy Process for production of isocyanurate ring-containing polyisocy

1985-02-28

1986-04-15

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...

5253305, 528 65, 528 85, 544193, C08G 1838

Patent

active

045828881

ABSTRACT:
A process for producing a polyisocyanate containing an isocyanurate ring, which comprises reacting at least one diisocyanate compound selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates with a diol having a molecular weight of 100 to 1,000 and containing at least 3 hydrocarbon substituents per molecule in the presence of an isocyanurating catalyst. A resin composition for urethane paints comprising the polyisocyanate as an essential ingredient.

REFERENCES:
patent: 4040992 (1977-08-01), Bechana et al.
patent: 4540781 (1985-09-01), Bansa

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