Paper coating compositions

Details Paper coating compositions Paper coating compositions

1976-11-15

1980-04-01

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106214, 260 296R, C08J 320, C09H 1100, C09J 306

Patent

active

041960122

ABSTRACT:
A paper coating composition which comprises a dispersion of a pigment in an aqueous medium containing an adhesive, the pigment comprising a natural chalk whiting formed from the remains of coccoliths which has been processed so as to contain at least 60% by weight of particles smaller than 2 microns equivalent spherical diameter, not more than 5% by weight of particles larger than 10 microns equivalent spherical diameter and not more than 0.5% by weight of particles larger than 53 microns.

REFERENCES:
patent: 2992936 (1961-07-01), Rowland
patent: 3534911 (1970-10-01), Gwilliam
Davidson, Paper Technology, vol. 6, No. 2, Apr. 1965, pp. 107, 108, 116.
Paper Technology, vol. 9, No. 3, 1968. The Future of Whiting in Paper Coating, R. R. Davidson, pp. 220-225, Jun. 1968.

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