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 p,m and in the range of from about 10% to about 20% by weight of the particles have an equivalent spherical diameter less than about 0.25 wm, the particles have a shape factor in the range of from about 20 to about 36 and the particles have a particle steepness in the range of about greater than about 35, more preferably in the range of about 35 to about 40, and wherein the kaolin is derived from a secondary kaolin source.
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申请公布号 |
CA2490837(C) |
申请公布日期 |
2011.12.13 |
申请号 |
CA20032490837 |
申请日期 |
2003.08.15 |
申请人 |
IMERYS RIO CAPIM CAULIM, S.A. |
发明人 |
LIGHT, DAVID L.;GOLLEY, CHRISTOPHER R. L.;GAY, ERNEST;CONSTANTIN, MILTON |
分类号 |
C09C1/42;D21H19/40;D21H21/52 |
主分类号 |
C09C1/42 |
代理机构 |
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