Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1974-12-18
1979-05-15
Welsh, Maurice J.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 296HN, 428514, C08L 3300
Patent
active
041547136
ABSTRACT:
Polymer dispersions useful as a replacement for casein in paper coatings, and paper coating compositions containing such dispersions, are described. The dispersions comprise from about 85 to 95 percent by weight of an ethylenically unsaturated monomer free from additional functionality, i.e., styrene or vinyl esters of acetic acid and/or propionic acid, and from about 5 to 15 percent by weight of acid, i.e., acrylic acid, and basic, i.e., 1-vinylimidazole, monomers. Paper coating compositions containing the dispersion as a casein substitute when applied to paper in a conventional manner have excellent properties including whiteness, wet rub resistance, and water resistance.
REFERENCES:
patent: 3323980 (1967-06-01), Poschmann et al.
patent: 3404114 (1968-10-01), Snyder et al.
patent: 3634298 (1972-01-01), Wamsley et al.
patent: 3677989 (1972-07-01), Jenkinson
patent: 3746671 (1973-07-01), Zima et al.
patent: 3853803 (1974-12-01), Anderson et al.
Forstner Josef
Zima Herbert
Breiner A. W.
Welsh Maurice J.
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