Storage-stable, liquid carbodiimide modified polyisocyanates...

Details Storage-stable, liquid carbodiimide modified polyisocyanates... Storage-stable, liquid carbodiimide modified polyisocyanates...

C - Chemistry, Metallurgy

08

G

260/453.2, 260/4

C08G 18/79 (2006.01) C08G 18/02 (2006.01)

Patent

CA 1118783

STORAGE-STABLE, LIQUID CARBODIIMIDE MODIFIED POLYISOCYANATES AND PROCESS FOR THEIR MANUFACTURE Abstract of the Invention Storage-stable, liquid carbodiimide-modified poly- isocyanates are prepared by condensation of polyisocyanates in the presence of catalytic amounts of phospholine, phos- pholidine, phospholine oxides and/or phospholidine oxides, said condensation terminated and the products stabilized by means of perchloric acid or trifluoromethanesulfonic acid.

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