Polymer dispersions as a casein replacement

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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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.

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