Polymer-coated solid materials

Details Polymer-coated solid materials Polymer-coated solid materials

1986-11-13

1988-02-16

Henderson, Christopher

Stock material or miscellaneous articles

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

Staple length fiber

428375, 428403, 428407, 4284111, 4284231, 428500, B32B 2200, B32B 500, C08K 910

Patent

active

047254998

ABSTRACT:
Disclosed is a novel process for preparing amidoalkanesulfonic acids of the general formula ##STR1## or derivatives thereof by reacting a nitrile compound (1) with a .beta.-hydroxyalkanesulfonic acid or a derivative thereof (2) in concentrated sulfuric acid.
Among the compounds of the general formula (3) and derivatives thereof, unsaturated amido- and phenyl-substituted alkanesulfonic acids and derivatives thereof (in particular, 2-acrylamido-2-phenylpropanesulfonic acid and derivatives thereof) represented by the general formula ##STR2## can be copolymerized with other monomers and the like to provide useful materials such as copolymer-coated solid materials, copolymer emulsions, pigment dispersants and the like.

REFERENCES:
patent: 3692673 (1972-09-01), Hoke
patent: 4617337 (1986-10-01), Lundberg

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