Stable, liquid solutions of isocyanurate-polyisocyanates contain

Details Stable, liquid solutions of isocyanurate-polyisocyanates contain Stable, liquid solutions of isocyanurate-polyisocyanates contain

1975-01-16

1976-07-20

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252182, 260 775AC, 260 775AT, C08G 1879, C08G 1871, C08G 1820

Patent

active

039706001

ABSTRACT:
Stable, liquid, homogeneous solutions of isocyanurate-polyisocyanates containing amide and/or acylurea groups in monomeric diisocyanates and/or polyisocyanates which are free from amide, acylurea and/or isocyanurate groups, are obtained by reacting polybasic carboxylic acids with diisocyanates and/or polyisocyanates to give diisocyanates and/or polyisocyanates containing amide groups and/or acylurea groups, converting the diisocyanates and/or polyisocyanates containing amide and/or acylurea groups by trimerization and, optionally, polymerization, into isocyanurate-polyisocyanates containing amide and/or acylurea groups, and mixing the products with monomeric diisocyanates and/or polyisocyanates.

REFERENCES:
patent: 3652424 (1972-03-01), Jackson et al.
patent: 3723363 (1973-03-01), Shaw
patent: 3879316 (1975-04-01), Fishbein et al.

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