Ethylenically unsaturated blocked aromatic diisocyanates

Details Ethylenically unsaturated blocked aromatic diisocyanates Ethylenically unsaturated blocked aromatic diisocyanates

1975-02-18

1977-02-15

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 296XA, 260 296R, 260239BF, 2603092, 260310R, 260471C, 260859R, 428424, 428442, 428443, 428483, 428510, 428514, C07D24918

Patent

active

040082474

ABSTRACT:
Ethylenically unsaturated blocked aromatic diisocyanates are prepared which readily polymerize to form homopolymers 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.degree. 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.

REFERENCES:
patent: 2958704 (1960-11-01), Dinbergs et al.
patent: 3248398 (1966-04-01), Muhlbauer et al.

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