Aqueous silica-containing composition
    1.
    发明申请
    Aqueous silica-containing composition 审中-公开
    含水二氧化硅的组合物

    公开(公告)号:US20050061462A1

    公开(公告)日:2005-03-24

    申请号:US10990219

    申请日:2004-11-16

    摘要: The present invention relates to an aqueous silica-containing composition comprising an anionic organic polymer having at least one aromatic group and anionic silica-based particles. The aqueous silica-containing composition contains the anionic organic polymer having at least one aromatic group and the anionic silica-based particles in an amount of at least 0.01% by weight of the total weight of the aqueous silica-containing composition. The aqueous silica-containing composition contains substantially no cellulose-reactive sizing agent and the anionic organic polymer having at least one aromatic group is not an anionic naphthalene sulphonate formaldehyde condensate. The invention further relates to methods for the preparation of the aqueous silica-containing composition and the use of the aqueous silica-composition as a drainage and retention aid in a process for the production of paper. The invention also relates to a process for the production of paper from an aqueous suspension containing cellulosic fibres, and optionally filler, in which the aqueous silica-containing composition and at least one charged organic polymer are added to the cellulosic suspension.

    摘要翻译: 本发明涉及包含具有至少一个芳族基团的阴离子有机聚合物和阴离子二氧化硅基颗粒的含水二氧化硅的组合物。 含水二氧化硅的组合物含有至少一种芳族基团的阴离子有机聚合物和阴离子二氧化硅基颗粒,其量为含二氧化硅含水组合物总重量的至少0.01重量%。 含水二氧化硅的组合物基本上不含纤维素反应性施胶剂,并且具有至少一个芳族基团的阴离子有机聚合物不是阴离子萘磺酸盐甲醛缩合物。 本发明还涉及制备含水二氧化硅的组合物的方法以及二氧化硅水溶液作为生产纸的方法中的排水和助留剂的用途。 本发明还涉及从含有纤维素纤维和任选填料的含水悬浮液生产纸的方法,其中将含水二氧化硅的组合物和至少一种带电有机聚合物加入到纤维素悬浮液中。

    Aqueous silica-containing composition
    2.
    发明授权
    Aqueous silica-containing composition 有权
    含水二氧化硅的组合物

    公开(公告)号:US07608644B2

    公开(公告)日:2009-10-27

    申请号:US11129251

    申请日:2005-05-13

    IPC分类号: C01B33/20 D21H17/68

    摘要: The present invention refers to a process for the production of paper from a suspension containing cellulosic fibers, and optionally fillers, comprising adding to the suspension at least one cationic organic polymer and an aqueous silica-containing composition comprising an anionic naphthalene sulphonate formaldehyde condensate and anionic silica-based particles, the composition having a weight ratio of naphthalene sulphonate formaldehyde condensate to silica-based particles within the range of from 0.2:1 to 99:1, and containing naphthalene sulphonate formaldehyde condensate and silica-based particles in an amount of at least 0.01% by weight, based on the total weight of the aqueous silica-containing composition, and with the proviso that the composition contains substantially no cellulose-reactive sizing agent. The invention also encompasses an aqueous silica-containing composition and a method for preparation of an aqueous silica-containing compound.

    摘要翻译: 本发明涉及一种由含有纤维素纤维和任选的填料的悬浮液生产纸的方法,包括向悬浮液中加入至少一种阳离子有机聚合物和含二氧化硅的含水组合物,其中包含阴离子萘磺酸甲醛缩合物和阴离子 二氧化硅基颗粒,该组合物具有萘磺酸甲醛缩合物与二氧化硅基颗粒的重量比在0.2:1至99:1的范围内,并且含有萘磺酸甲醛缩合物和二氧化硅基颗粒的量为 至少0.01重量%,基于含水二氧化硅的组合物的总重量,条件是该组合物基本上不含纤维素反应性上浆剂。 本发明还包括含水二氧化硅的组合物和含水二氧化硅的化合物的制备方法。

    Papermaking process using a specified NSF to silica-based particle ratio
    3.
    发明授权
    Papermaking process using a specified NSF to silica-based particle ratio 有权
    造纸工艺使用指定的NSF对二氧化硅基颗粒的比例

    公开(公告)号:US07156955B2

    公开(公告)日:2007-01-02

    申请号:US10326316

    申请日:2002-12-20

    IPC分类号: D21F11/00 D21H21/00

    摘要: The present invention refers to a process for the production of paper from a suspension containing cellulosic fibers, and optionally fillers, comprising adding to the suspension at least one cationic organic polymer and an aqueous silica-containing composition comprising an anionic naphthalene sulphonate formaldehyde condensate and anionic silica-based particles, the composition having a weight ratio of naphthalene sulphonate formaldehyde condensate to silica-based particles within the range of from 0.2:1 to 99:1, and containing naphthalene sulphonate formaldehyde condensate and silica-based particles in an amount of at least 0.01% by weight, based on the total weight of the aqueous silica-containing composition, and with the proviso that the composition contains substantially no cellulose-reactive sizing agent. The invention also encompasses an aqueous silica-containing composition and a method for preparation of an aqueous silica-containing compound.

    摘要翻译: 本发明涉及一种由含有纤维素纤维和任选的填料的悬浮液生产纸的方法,包括向悬浮液中加入至少一种阳离子有机聚合物和含二氧化硅的含水组合物,其中包含阴离子萘磺酸甲醛缩合物和阴离子 二氧化硅基颗粒,该组合物具有萘磺酸甲醛缩合物与二氧化硅基颗粒的重量比在0.2:1至99:1的范围内,并且含有萘磺酸甲醛缩合物和二氧化硅基颗粒的量为 至少0.01重量%,基于含水二氧化硅的组合物的总重量,条件是该组合物基本上不含纤维素反应性上浆剂。 本发明还包括含水二氧化硅的组合物和含水二氧化硅的化合物的制备方法。

    Aqueous silica-containing composition
    4.
    发明申请
    Aqueous silica-containing composition 有权
    含水二氧化硅的组合物

    公开(公告)号:US20050209389A1

    公开(公告)日:2005-09-22

    申请号:US11129251

    申请日:2005-05-13

    摘要: The present invention refers to a process for the production of paper from a suspension containing cellulosic fibres, and optionally fillers, comprising adding to the suspension at least one cationic organic polymer and an aqueous silica-containing composition comprising an anionic naphthalene sulphonate formaldehyde condensate and anionic silica-based particles, the composition having a weight ratio of naphthalene sulphonate formaldehyde condensate to silica-based particles within the range of from 0.2:1 to 99:1, and containing naphthalene sulphonate formaldehyde condensate and silica-based particles in an amount of at least 0.01% by weight, based on the total weight of the aqueous silica-containing composition, and with the proviso that the composition contains substantially no cellulose-reactive sizing agent. The invention also encompasses an aqueous silica-containing composition and a method for preparation of an aqueous silica-containing compound.

    摘要翻译: 本发明涉及一种由含有纤维素纤维和任选的填料的悬浮液生产纸的方法,包括向悬浮液中加入至少一种阳离子有机聚合物和含二氧化硅的含水组合物,其中包含阴离子萘磺酸甲醛缩合物和阴离子 二氧化硅基颗粒,该组合物具有萘磺酸甲醛缩合物与二氧化硅基颗粒的重量比在0.2:1至99:1的范围内,并且含有萘磺酸甲醛缩合物和二氧化硅基颗粒的量为 至少0.01重量%,基于含水二氧化硅的组合物的总重量,条件是该组合物基本上不含纤维素反应性上浆剂。 本发明还包括含水二氧化硅的组合物和含水二氧化硅的化合物的制备方法。

    Silica-based sols and their production and use
    5.
    发明授权
    Silica-based sols and their production and use 有权
    二氧化硅溶胶及其生产和使用

    公开(公告)号:US08148434B2

    公开(公告)日:2012-04-03

    申请号:US12946274

    申请日:2010-11-15

    IPC分类号: C01B33/141 C01B33/20

    摘要: A process for producing an aqueous silica-based sol is disclosed wherein a cationic ion exchange resin having part of its ion exchange capacity in hydrogen form is contacted with an aqueous alkali metal silicate to form a slurry having a pH from 5.0 to 11.5 and/or having particle aggregation or microgel formation corresponding to a S value up to 45%; adjusting the pH using a material comprising an aluminum compound; and separating the resin from the slurry.Silica-based sols having an S value from 15 to 25%, mole ratio Si:Al from 20:1 to 50:1, mole ratio Si:X, where X=alkali metal, from 5:1 to 17:1, SiO2 content of at least 5% by weight and containing silica-based particles having a specific surface area of at least 300 m2/g, as well as the use of such silica-based sols in producing paper are disclosed.

    摘要翻译: 公开了一种生产水性二氧化硅基溶胶的方法,其中具有氢形式的部分离子交换容量的阳离子交换树脂与碱金属硅酸盐水溶液接触以形成pH为5.0至11.5的浆料和/或 具有对应于高达45%的S值的颗粒聚集或微凝胶形成; 使用包含铝化合物的材料调节pH; 并从浆料中分离树脂。 二氧化硅溶胶的S值为15〜25%,摩尔比Si:Al为20:1〜50:1,摩尔比Si:X,其中X =碱金属为5:1〜17:1,SiO2 含有至少5重量%的含有比表面积至少为300m 2 / g的二氧化硅基颗粒以及这种二氧化硅基溶胶在生产纸中的用途。

    Process for the production of paper
    9.
    发明申请
    Process for the production of paper 审中-公开
    生产纸张的过程

    公开(公告)号:US20060254464A1

    公开(公告)日:2006-11-16

    申请号:US11430341

    申请日:2006-05-09

    IPC分类号: C04B28/26

    摘要: The present invention relates to a drainage and retention aid composition which comprises: (g) a first anionic component which is a water-soluble anionic organic polymer; (h) a second anionic component which is a water-dispersible or branched anionic organic polymer; and (i) a third anionic component which is an anionic siliceous material; wherein the first, second and third anionic components are present in a dry matter content of from 0.01 to 50% by weight.

    摘要翻译: 本发明涉及排水和助留剂组合物,其包括:(g)第一阴离子组分,其为水溶性阴离子有机聚合物; (h)第二阴离子组分,其为水分散性或支链阴离子有机聚合物; 和(i)第三阴离子组分,其为阴离子硅质材料; 其中所述第一,第二和第三阴离子组分以干物质含量为0.01至50重量%存在。

    Silica-based sols and their production and use
    10.
    发明申请
    Silica-based sols and their production and use 有权
    二氧化硅溶胶及其生产和使用

    公开(公告)号:US20050228057A1

    公开(公告)日:2005-10-13

    申请号:US11100683

    申请日:2005-04-07

    摘要: A process for producing an aqueous silica-based sol is disclosed wherein a cationic ion exchange resin having part of its ion exchange capacity in hydrogen form is contacted with an aqueous alkali metal silicate to form a slurry having a pH from 5.0 to 11.5 and/or having particle aggregation or microgel formation corresponding to a S value up to 45%; adjusting the pH using a material comprising an aluminium compound; and separating the resin from the slurry. Silica-based sols having an S value from 15 to 25%, mole ratio Si:Al from 20:1 to 50:1, mole ratio Si:X, where X=alkali metal, from 5:1 to 17:1, SiO2 content of at least 5% by weight and containing silica-based particles having a specific surface area of at least 300 m2/g, as well as the use of such silica-based sols in producing paper are also disclosed.

    摘要翻译: 公开了一种生产水性二氧化硅基溶胶的方法,其中具有氢形式的部分离子交换容量的阳离子交换树脂与碱金属硅酸盐水溶液接触以形成pH为5.0至11.5的浆料和/或 具有对应于高达45%的S值的颗粒聚集或微凝胶形成; 使用包含铝化合物的材料调节pH; 并从浆料中分离树脂。 S值为15〜25%,Si:Al摩尔比为20:1〜50:1的二氧化硅溶胶,X =碱金属摩尔比为5:1〜17:1,SiO: 至少5重量%的含量为2重量%,并且含有比表面积至少为300微米2 /克的二氧化硅基颗粒,以及使用这样的 还公开了生产纸中的二氧化硅基溶胶。