Blocked isocyanate diols, preparation thereof, and...

Details Blocked isocyanate diols, preparation thereof, and... Blocked isocyanate diols, preparation thereof, and...

C - Chemistry, Metallurgy

08

G

402/133, 260/452

C08G 18/12 (2006.01) C07C 275/28 (2006.01) C08G 18/32 (2006.01) C08G 18/80 (2006.01)

Patent

CA 1111860

ABSTRACT OF THE DISCLOSURE Copolymerizable blocked isocyanate diols are prepared by reacting a blocking agent with an isocyanate group of an organic diisocyanate under controlled conditions, thereby forming a blocked isocyanate group. and reacting the second isocyanate group in d subsequent step with the amine portion of d selected amine diol under anhydrous conditions. The resultant products are used to prepare self-crosslinkable, linear poly- urethanes of high molecular weight.

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