Ethylenically unsaturated blocked aromatic diisocyanates and...

Details Ethylenically unsaturated blocked aromatic diisocyanates and... Ethylenically unsaturated blocked aromatic diisocyanates and...

C - Chemistry, Metallurgy

07

D

402/182, 117/201

C07D 249/18 (2006.01) C07D 231/12 (2006.01) D06M 15/233 (2006.01) D06M 15/267 (2006.01)

Patent

CA 1041101

ABSTRACT OF THE DISCLOSURE Ethylenically unsaturated blocked aromatic diiso- cyanates are prepared which readily polymerized to form homo- polymers and interpolymers with copolymerizable vinylidene monomers. Polymers can be prepared via emulsion polymerization, and exhibit excellent stability to hydrolysis when stored in latex form. The polymers cure at temperatures as low as 80°C., and under acidic, neutral, or basic pH conditions. Homopolymers and interpolymers of the defined diisocyanates are useful as adhesives, and interpolymers of the ethylenically unsaturated blocked aromatic diisocyanates with acrylate monomers are particularly useful as binders for nonwoven fibers. -1-

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