Use of a mineral-material steric dispersing agent in water, aqueous dispersion thus obtained and use thereof in paper making
    7.
    发明授权
    Use of a mineral-material steric dispersing agent in water, aqueous dispersion thus obtained and use thereof in paper making 有权
    矿物质立体分散剂在水中的应用,如此获得的水性分散体及其在造纸中的应用

    公开(公告)号:US08038843B2

    公开(公告)日:2011-10-18

    申请号:US12446244

    申请日:2007-10-10

    IPC分类号: D21F11/00

    摘要: A method for manufacturing a sheet of paper from a pulp and a sheet of paper obtained by the present method, wherein said pulp comprises a mixture of natural and/or synthetic fibers, water, and at least one aqueous suspension and/or dispersion comprising at least one mineral material, wherein said dispersion or suspension comprises, as a steric dispersing agent of at least one mineral material, at least one copolymer comprising at least one vinylic monomer, at least one non-ionic monomer, or a mixture of several monomers having formula (I) in the present method, wherein said agent limits the presence of divalent ions in the aqueous phase and said agent is not a chelating agent.

    摘要翻译: 一种从通过本发明方法获得的纸浆和纸张制造纸张的方法,其中所述纸浆包括天然和/或合成纤维,水和至少一种含水悬浮液和/或分散体的混合物,所述水性悬浮液和/或分散体包含 至少一种矿物材料,其中所述分散体或悬浮液包含作为至少一种矿物材料的空间分散剂的至少一种共聚物,所述至少一种共聚物包含至少一种乙烯基单体,至少一种非离子单体或多种单体的混合物, 式(I)的方法,其中所述试剂限制了水相中二价离子的存在,所述试剂不是螯合剂。