Kaolinite aggregation using organo-silicon compounds

Details Kaolinite aggregation using organo-silicon compounds Kaolinite aggregation using organo-silicon compounds

1989-03-28

1990-06-19

Morris, Theodore

Compositions: coating or plastic

Materials or ingredients

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

10628716, 106486, 501148, C08B 1404

Patent

active

049350625

ABSTRACT:
A particulate kaolin pigment which enhances gloss and printability properties when used as a coating pigment for paper and enhances light scattering and opacifying properties when incorporated as a filler in paper, is obtained by mixing a fine particle kaolin with an aggregating agent comprising an organic silicon compound such as tetramethoxy silane or tetraethoxy silane. The feed kaolin moisture content is in the range of above 2.0 to about 5.0%, preferably 2.5 to 4.0% by weight.

REFERENCES:
patent: 4711673 (1987-12-01), Musselman et al.
patent: 4818294 (1989-04-01), Raythatha

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