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    • 4. 发明授权
    • Treated filler or pigment containing natural carbonate
    • 含有天然碳酸盐的填料或颜料
    • US06666953B1
    • 2003-12-23
    • US09857217
    • 2001-10-15
    • Patrick A. C. GaneMatthias BuriRene Vinzenz BlumBeat Karth
    • Patrick A. C. GaneMatthias BuriRene Vinzenz BlumBeat Karth
    • D21H1769
    • D21H17/675B41M5/5218C01P2004/03C01P2004/61C01P2004/62C01P2006/12C09C1/021D21H19/385
    • The invention concerns a pigment, filler or mineral containing a natural calcium carbonate, treated with one of more providers of H3O+ ions and gaseous CO2, allowing a reduction in the weight of paper for a constant surface area without loss of physical properties when it is used as a pigment or coating filler for the said paper. In particular, the invention concerns a pigment, filler or mineral containing a natural calcium carbonate or dolomite or mixtures of talc and calcium carbonate, of kaolin and carbonate or carbonate alone or in combination with natural and/or synthetic fibers or similar, treated with one or more medium-strong or strong providers of H3O+ ions in the presence of gaseous CO2. Applications are particularly in the paper industry, obtaining in particular good sheet properties i.e. a reduction its weight for a given surface area.
    • 本发明涉及一种含有天然碳酸钙的颜料,填料或矿物质,用较多的H 3 O +离子提供者和气态CO 2处理,允许在恒定表面积下减少纸张的重量而不损失物理性能, 它被用作所述纸的颜料或涂料填料。 特别地,本发明涉及一种颜料,填料或矿物,其含有天然碳酸钙或白云石或滑石和碳酸钙的混合物,单独的高岭土和碳酸盐或碳酸盐或与天然和/或合成纤维或类似物一起处理的天然和/或合成纤维或类似物 或更多中等强度或强力的H3O +离子提供者。 应用尤其在造纸工业中,特别是获得了良好的片材性质,即减少了给定表面积的重量。