发明名称 |
Pigment for a coating composition for printing paper |
摘要 |
There is disclosed a paper coating pigment comprising: (a) from 10% to 100% by weight of a first paper coating pigment having a particle size distribution such that at least 75% by weight of the particles have an equivalent spherical diameter smaller than 2 mu m and at least 60% by weight have an equivalent spherical diameter smaller than 1 mu m, the average particle aspect ratio of the size fraction having an equivalent spherical diameter predominantly smaller than 1 mu m being 25 or greater; and (b) up to 90% by weight of a second paper coating pigment.
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申请公布号 |
US5478388(A) |
申请公布日期 |
1995.12.26 |
申请号 |
US19940234270 |
申请日期 |
1994.04.28 |
申请人 |
ECC INTERNATIONAL LIMITED |
发明人 |
GANE, PATRICK A. C.;MCGENITY, PHILIP M. |
分类号 |
D21H19/36;D21H19/38;D21H19/40;D21H21/52;(IPC1-7):D21H19/40;C09D5/00 |
主分类号 |
D21H19/36 |
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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