Jerry Ronald May

US Patent:

49350625, Jun 19, 1990

Filed:

Mar 28, 1989

Appl. No.:

7/329667

Inventors:

Alan J. Brown - Milledgeville GA
Joshua O. Brannen - Sandersville GA
Wayne Andrews - Sandersville GA
Jerry R. May - Warthen GA
Rasik H. Raythatha - Federal Way WA

Assignee:

ECC America Inc. - Atlanta GA

International Classification:

C08B 1404

US Classification:

106487

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.