Non-woven fibers coated with a polymer of ethylenically unsatura

Details Non-woven fibers coated with a polymer of ethylenically unsatura Non-woven fibers coated with a polymer of ethylenically unsatura

1979-03-30

1980-07-29

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428288, 428392, 428393, 428394, 428537, 4284237, 4284251, 4284235, 4284256, 4284255, C08L 3502, D02E 300

Patent

active

042151759

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: 2882260 (1959-04-01), Bartl
patent: 3721645 (1973-03-01), Zemlin
patent: 3897381 (1975-07-01), Tugukuni et al.
patent: 3914335 (1975-10-01), Tugukuni et al.

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