发明名称 |
GYPSUM PRODUCT |
摘要 |
The invention relates to a gypsum -fibre composite product, wherein the gypsum appears as crystals on the surface of the fibre and wherein the gypsum crystals are obtained by contacting calcium sulphate hemihydrate and/or calcium anhydrite and an aqueous fibre suspension. The invention also relates to a process for the preparation of the gypsum -fibre composite product. The composite product can be used as a filler pigment or coating pigment in the production of paper.
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申请公布号 |
CA2732169(A1) |
申请公布日期 |
2010.02.18 |
申请号 |
CA20092732169 |
申请日期 |
2009.04.20 |
申请人 |
KEMIRA OYJ |
发明人 |
TURKKI, TARJA;AHLGREN, JONNI |
分类号 |
C01F17/00;C08F4/52;C09C1/02;D01F1/04;D21H15/12;D21H17/66;D21H17/69;D21H17/70;D21H19/38 |
主分类号 |
C01F17/00 |
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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