Coating composition and coated paper

Details Coating composition and coated paper Coating composition and coated paper

1989-06-07

1992-09-08

Michl, Paul R.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428486, 428507, 428916, 524425, 524487, 524488, 524489, 524492, 524493, 524847, C08L 9106, C08K 334, C08K 326, B32B 2710

Patent

active

051457490

ABSTRACT:
Erasable coatings for xerography paper comprise a pigment such as calcium carbonate in a binder such as an aqueous emulsion of an acrylic polymer. The erasability of the coating is improved by replacing at least 15 wt % of the binder with a polyalkane or (preferably) polyalkene wax, such as an aqueous emulsion of a polyolefin.

REFERENCES:
patent: 4092449 (1978-05-01), Bernstein
patent: 4267092 (1981-05-01), Glaser et al.
patent: 4517228 (1985-05-01), Matejka et al.
patent: 4551499 (1985-11-01), Cranfield et al.
patent: 4636258 (1987-01-01), Hayashi et al.
patent: 4792515 (1988-12-01), Muller et al.
patent: 4849316 (1989-07-01), Kawasaki et al.

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