发明名称 |
Kaolin pigment products |
摘要 |
A pigment product for use in a coating composition to provide a gloss coating on paper, the pigment product comprising a processed particulate kaolin having a particle size distribution such that at least about 80% by weight of the particles have an equivalent spherical diameter less than about 2 mum and in the range of from about 15% to about 40% by weight of the particles have an equivalent spherical diameter less than about 0.25 mum and the particles have a shape factor in the range of from about 30 to about 60 and wherein the pigment product comprises a blend of Component A: a particulate kaolin in which the particles have a shape factor of at least about 45, and Component B: a particulate kaolin in which the particles have a shape factor of less than about 20.
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申请公布号 |
US2003113532(A1) |
申请公布日期 |
2003.06.19 |
申请号 |
US20020082232 |
申请日期 |
2002.02.26 |
申请人 |
CUMMINGS DAVID O.;LYONS ANTHONY V. |
发明人 |
CUMMINGS DAVID O.;LYONS ANTHONY V. |
分类号 |
C09C1/42;C09D7/14;D21H19/36;D21H19/40;D21H21/52;(IPC1-7):B32B5/16 |
主分类号 |
C09C1/42 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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