Method for graft copolymerization to natural rubber articles

Details Method for graft copolymerization to natural rubber articles Method for graft copolymerization to natural rubber articles

1983-06-17

1985-07-02

Lieberman, Allan M.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

525244, 525285, 525301, 5253331, 525386, 604266, A61M 2500, C08L 5104

Patent

active

045265798

ABSTRACT:
A process for grafting a hydrophilic polymer of a carboxylic acid or a salt thereof onto the surface of a natural rubber article by contacting said article in reaction inert solvent with a vinyl carboxylic acid anhydride and initiator, and subsequent washing and hydrolysis of anhydride groups to carboxylate groups and an article when prepared by the invention process.

REFERENCES:
patent: 3566874 (1977-03-01), Shepherd et al.
patent: 4347341 (1982-08-01), Bartl et al.
patent: 4382128 (1983-05-01), Li
patent: 4459318 (1984-07-01), Hyans
"Block and Graft Copolymerization", R. J. Ceresa, Editor, Wiley and Sons, New York, 1973, pp. 47-97.
Burfield et al., European Polymer, J., 14, 799 (1978).
"The Vanderbilt Rubber Handbook," R. T. Vanderbilt Company, Inc., N.Y.C. pp. 154-156, (1958).

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