Compositions: coating or plastic – Materials or ingredients – Miscellaneous
Patent
1986-05-12
1988-04-19
Morris, Theodore
Compositions: coating or plastic
Materials or ingredients
Miscellaneous
106288B, 106214, 209 5, 428521, 428533, 501147, 501148, 524447, C09D 320, C04B 1400, C04B 3300
Patent
active
047387262
ABSTRACT:
A highly bulked kaolin pigment is prepared by mixing a small but effective amount of a water-soluble cationic polyelectrolyte flocculant with a kaolin clay pigment in the presence of water to prepare a bulked clay pigment product. Upon dewatering, the resultant polyelectrolyte treated clay product can be dispersed to form high solids clay-water slurries useful in making aqueous coating colors suitable for manufacturing coating lightweight publication papers or the pigment can be used as a filler for paper webs.
REFERENCES:
patent: 3808021 (1974-04-01), Maynard
patent: 4210488 (1980-07-01), Reuss et al.
patent: 4604369 (1986-08-01), Shi
Wochenklatt Frier Papierfabrikation 6: 176-183 183, Gatter and Weigh.
SN 06/748/899, High Bulking--Pigment 2, "Method of Making the Same", filed Jun. 26, 1985.
Nemeh Saad
Pratt Richard J.
Slepetys Richard A.
Willis Mitchell J.
Engelhard Corporation
Morris Theodore
Moselle Inez L.
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