Recording sheet for ink jet printers

Details Recording sheet for ink jet printers Recording sheet for ink jet printers

1987-03-10

1989-05-16

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Weight per unit area specified

3461351, 428195, 428207, 428211, 428331, 428341, 4284744, 4284752, 428511, 428522, B41M 500

Patent

active

048309117

ABSTRACT:
This invention relates to a recording sheet for ink jet printers which gives an image by the use of an aqueous ink containing a water-soluble dye, coated or impregnated with either of or a mixture of two kinds of water-soluble polymers: one whose polymeric unit is alkylquaternaryammonium (meth)acrylate and the other whose polymer unit is alkylquaternaryammonium (meth)acrylamide, said water-soluble polymers containing not less than 50 mol % of a monomer represented by the following formula (1), ##STR1## where R represents hydrogen or methyl group; n is an integer from 1 to 3 inclusive; R.sub.1, R.sub.2 and R.sub.3 represent hydrogen or the same or different aliphatic alkyl group with 1 to 4 carbon atoms; X.sup..crclbar. represents an anion such as halogen ion, sulfate ion, alkylsulfate ion, alkyl- or aryl-sulfonate ion and acetate ion and Y represents oxygen or imino group.

REFERENCES:
patent: 4371582 (1983-02-01), Sugiyama et al.

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