- 专利标题： Hyperplaty clays and their use in paper coating and filling, methods for making same, and paper products having improved brightness
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申请号： US11086563申请日： 2005-03-23
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公开(公告)号： US07226005B2公开(公告)日： 2007-06-05
- 发明人: J. Philip E. Jones , Robert J. Pruett , Jun Yuan , Michael J. Garska , David O. Cummings , Bomi M. Bilimoria , Robin Wesley
- 申请人： J. Philip E. Jones , Robert J. Pruett , Jun Yuan , Michael J. Garska , David O. Cummings , Bomi M. Bilimoria , Robin Wesley
- 申请人地址： US GA Roswell
- 专利权人： Imerys Pigments, Inc.
- 当前专利权人： Imerys Pigments, Inc.
- 当前专利权人地址： US GA Roswell
- 代理机构： Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- 主分类号： B02C19/00
- IPC分类号： B02C19/00
摘要：
The present invention relates to a hydrous kaolin product having improved optical properties, for example, when used in the production of paper products. The present invention comprises an improved barrier coating for paper and a method of making the coated paper. The present invention also comprises an improved method from making filled and coated paper products. The present invention uses a composition comprising kaolin having a shape factor of at least about 70:1, such as at least about 80:1 or at least about 100:1.
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