C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
400/1300, 117/16
C08J 3/20 (2006.01) C04B 14/00 (2006.01) C04B 33/00 (2006.01) C09C 1/42 (2006.01) D21H 19/40 (2006.01) D21H 19/62 (2006.01)
Patent
CA 1285677
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.
511805
Nemeh Saad
Pratt Richard J.
Slepetys Richard A.
Willis Mitchell J.
Engelhard Corporation
Macrae & Co.
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