Opacifying kaolin clay pigments having improved rheology and pro

Details Opacifying kaolin clay pigments having improved rheology and pro Opacifying kaolin clay pigments having improved rheology and pro

1994-08-26

1996-12-17

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106464, 106468, 106416, C04B 1410, C04B 1426

Patent

active

055849245

ABSTRACT:
An opacifying kaolin clay pigment with improved rheological properties and good opacifying characteristics is manufactured by a process which comprises reacting a mixture of water, kaolin clay and calcium carbonate with a hydroxide component at a temperature of at least 60.degree. C.

REFERENCES:
patent: 3586523 (1971-06-01), Fanselow et al.
patent: 4812299 (1989-03-01), Wason
patent: 4816074 (1989-03-01), Raythatha et al.
patent: 5089056 (1992-02-01), Shi et al.
patent: 5120365 (1992-06-01), Kogler
patent: 5151124 (1992-09-01), Rice

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