Plastic pigments for paper coatings

Stock material or miscellaneous articles – Composite – Of addition polymer from unsaturated monomers

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Details

260 174ST, 260 4221, 428514, 428537, 526304, 526346, 526 34, D21H 128, C08F 3308

Patent

active

039683192

ABSTRACT:
Paper coatings exhibiting improved pick resistance at lower binder levels are provided by incorporating into a conventional binder a pigment comprising a copolymer of an ethylenically unsaturated hard monomer such as styrene and an ethylenically unsaturated amide such as acrylamide in the form of non-film forming discrete particles having an average particle diameter in the range from about 0.25 to about 1 micrometer.

REFERENCES:
patent: 3428582 (1969-02-01), Deex
patent: 3699112 (1972-10-01), Konishi et al.
patent: 3779800 (1973-12-01), Heiser

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