发明名称 |
AQUEOUS SLURRIES COMPRISING FINE CALCIUM CARBONATE PARTICLES FOR USE IN PAPER COATINGS |
摘要 |
The present invention relates to an aqueous slurry comprising natural ground calcium carbonate which has a percentage P 5 by weight of particles having a diameter of less than 5.0 µm of from 98.5 % to 90 %, a percentage P 2 by weight of particles having a diameter of less than 2.0 µm of from 96 % to 80%, wherein the ratio of P 2 /P 5 is from 0.98 to 0.85, and wherein the slurry has a solids content of more than 78 wt%. |
申请公布号 |
EP2480718(A2) |
申请公布日期 |
2012.08.01 |
申请号 |
EP20100754527 |
申请日期 |
2010.09.21 |
申请人 |
OMYA DEVELOPMENT AG |
发明人 |
BLUVOL, GUILLERMO;KAESSBERGER, MICHAEL;GANE, PATRICK A.C. |
分类号 |
D21H17/67;C01F11/18;C09C1/02;D21H17/68;D21H19/38;D21H19/40;D21H21/52 |
主分类号 |
D21H17/67 |
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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