Cationic copolymers which are insoluble in water, new dispension

Details Cationic copolymers which are insoluble in water, new dispension Cationic copolymers which are insoluble in water, new dispension

1992-12-09

1993-11-16

Schofer, Joseph L.

Stock material or miscellaneous articles

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

Particulate matter

524801, 524813, 524815, 524555, 5262922, 52629295, 162135, C08L 3324, C08L 3316

Patent

active

052622380

ABSTRACT:
Cationic copolymers which are insoluble in water based on acrylamide, and a cationic monomer of general formula (I) ##STR1## in which R and R.sub.1, identical or different, represent a hydrogen atom or a methyl group, X represents an oxygen atom or an NH radical and n represents 2 or 3, containing in molar proportions 5 to 30% of cation units and cross-linked with 0.01% to 0.4% in molar proportions relative to the previous monomers of bisacrylamidoacetic acid and with about 0.01% to 0.1% in molar proportions relative to the monomers of bisacrylamidoacetic acid, self-reversible dispersions containing them and use in coating in the paper industry.

REFERENCES:
patent: 4581402 (1986-04-01), Dunk et al.
patent: 4677152 (1987-06-01), Allen et al.
patent: 5075399 (1991-12-01), Ahmed et al.

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