发明名称 |
Synergistic filler blends for wood-containing papers |
摘要 |
A high opacity, high light scattering filler pigment for use in wood-containing paper manufacture, comprising by weight 25 to 50% of a fine particle size hydrous kaolin which has been defined as to have particle size distribution such that less than 20% by weight are of less than 0.3 mu m E.S.D. and substantially the balance being a fine particle size calcined kaolin.
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申请公布号 |
US5207822(A) |
申请公布日期 |
1993.05.04 |
申请号 |
US19920863592 |
申请日期 |
1992.04.03 |
申请人 |
ECC INTERNATIONAL INC. |
发明人 |
MANASSO, JOHN A.;MUELLER, KENNETH;DI DONATO, SUSAN |
分类号 |
C09C1/00;C09C1/42;D21H17/68;D21H21/52 |
主分类号 |
C09C1/00 |
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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