SILICA-BASED SOLS AND THEIR PRODUCTION AND USE
    1.
    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:US20100236738A1

    公开(公告)日:2010-09-23

    申请号:US12792419

    申请日:2010-06-02

    IPC分类号: D21H17/63

    摘要: The invention relates to a process for producing aqueous silica-based sols which comprises providing a cationic ion exchange resin having at least part of its ion exchange capacity in hydrogen form; bringing said ion exchange resin in contact with an aqueous alkali metal silicate to form an aqueous slurry; adjusting the pH of the aqueous slurry and separating the ion exchange resin from the aqueous slurry, as well as the silica-based sols obtained by the process.The invention also relates to silica-based sols obtained by the process, as well as a process for producing paper which comprises providing an aqueous suspension comprising cellulosic fibres; adding to the suspension one or more drainage and retention aids comprising a silica-based sol according to the invention; and dewatering the obtained suspension to provide a sheet or web of paper.

    摘要翻译: 本发明涉及一种生产水性二氧化硅基溶胶的方法,其包括提供具有至少部分其氢离子交换能力的阳离子离子交换树脂; 使所述离子交换树脂与碱金属硅酸盐水溶液接触以形成含水浆料; 调节含水浆料的pH值,并将离子交换树脂与含水浆料分离,以及通过该方法获得的二氧化硅基溶胶。 本发明还涉及通过该方法获得的二氧化硅基溶胶,以及一种生产纸的方法,其包括提供包含纤维素纤维的水性悬浮液; 向悬浮液中加入一种或多种包含根据本发明的基于二氧化硅的溶胶的排水和助留剂; 并将获得的悬浮液脱水以提供纸张或纸幅。

    Silica-based sols and their production and use
    2.
    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:US20050228058A1

    公开(公告)日:2005-10-13

    申请号:US11100929

    申请日:2005-04-07

    摘要: The invention relates to a process for producing aqueous silica-based sols which comprises providing a cationic ion exchange resin having at least part of its ion exchange capacity in hydrogen form; bringing said ion exchange resin in contact with an aqueous alkali metal silicate to form an aqueous slurry; adjusting the pH of the aqueous slurry and separating the ion exchange resin from the aqueous slurry, as well as the silica-based sols obtained by the process. The invention also relates to silica-based sols obtained by the process, as well as a process for producing paper which comprises providing an aqueous suspension comprising cellulosic fibres; adding to the suspension one or more drainage and retention aids comprising a silica-based sol according to the invention; and dewatering the obtained suspension to provide a sheet or web of paper.

    摘要翻译: 本发明涉及一种生产水性二氧化硅基溶胶的方法,其包括提供具有至少部分其氢离子交换能力的阳离子离子交换树脂; 使所述离子交换树脂与碱金属硅酸盐水溶液接触以形成含水浆料; 调节含水浆料的pH值,并将离子交换树脂与含水浆料分离,以及通过该方法获得的二氧化硅基溶胶。 本发明还涉及通过该方法获得的二氧化硅基溶胶,以及一种生产纸的方法,其包括提供包含纤维素纤维的水性悬浮液; 向悬浮液中加入一种或多种包含根据本发明的基于二氧化硅的溶胶的排水和助留剂; 并将获得的悬浮液脱水以提供纸张或纸幅。

    Silica-based sols and their production and use
    3.
    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:US07893114B2

    公开(公告)日:2011-02-22

    申请号:US12792419

    申请日:2010-06-02

    IPC分类号: C01B33/141 C01B33/20

    摘要: The invention relates to a process for producing aqueous silica-based sols which comprises providing a cationic ion exchange resin having at least part of its ion exchange capacity in hydrogen form; bringing said ion exchange resin in contact with an aqueous alkali metal silicate to form an aqueous slurry; adjusting the pH of the aqueous slurry and separating the ion exchange resin from the aqueous slurry, as well as the silica-based sols obtained by the process; the invention also relates to silica-based sols obtained by the process, as well as a process for producing paper which comprises providing an aqueous suspension comprising cellulosic fibres; adding to the suspension one or more drainage and retention aids comprising a silica-based sol according to the invention; and dewatering the obtained suspension to provide a sheet or web of paper.

    摘要翻译: 本发明涉及一种生产水性二氧化硅基溶胶的方法,其包括提供具有至少部分其氢离子交换能力的阳离子离子交换树脂; 使所述离子交换树脂与碱金属硅酸盐水溶液接触以形成含水浆料; 调节含水浆料的pH值,并从含水浆液中分离离子交换树脂,以及通过该方法获得的二氧化硅基溶胶; 本发明还涉及通过该方法获得的二氧化硅基溶胶,以及一种生产纸的方法,其包括提供包含纤维素纤维的水性悬浮液; 向悬浮液中加入一种或多种包含根据本发明的基于二氧化硅的溶胶的排水和助留剂; 并将获得的悬浮液脱水以提供纸张或纸幅。

    Silica-based sols and their production and use
    4.
    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:US07732495B2

    公开(公告)日:2010-06-08

    申请号:US11100929

    申请日:2005-04-07

    IPC分类号: C01B33/20 C01B33/141

    摘要: The invention relates to a process for producing aqueous silica-based sols which comprises providing a cationic ion exchange resin having at least part of its ion exchange capacity in hydrogen form; bringing said ion exchange resin in contact with an aqueous alkali metal silicate to form an aqueous slurry; adjusting the pH of the aqueous slurry and separating the ion exchange resin from the aqueous slurry, as well as the silica-based sols obtained by the process.The invention also relates to silica-based sols obtained by the process, as well as a process for producing paper which comprises providing an aqueous suspension comprising cellulosic fibres; adding to the suspension one or more drainage and retention aids comprising a silica-based sol according to the invention; and dewatering the obtained suspension to provide a sheet or web of paper.

    摘要翻译: 本发明涉及一种生产水性二氧化硅基溶胶的方法,其包括提供具有至少部分其氢离子交换能力的阳离子离子交换树脂; 使所述离子交换树脂与碱金属硅酸盐水溶液接触以形成含水浆料; 调节含水浆料的pH值,并将离子交换树脂与含水浆料分离,以及通过该方法获得的二氧化硅基溶胶。 本发明还涉及通过该方法获得的二氧化硅基溶胶,以及一种生产纸的方法,其包括提供包含纤维素纤维的水性悬浮液; 向悬浮液中加入一种或多种包含根据本发明的基于二氧化硅的溶胶的排水和助留剂; 并将获得的悬浮液脱水以提供纸张或纸幅。

    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。

    Silica-based sols and their production and use
    6.
    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。

    Silica-based sols and their production and use
    7.
    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:US07851513B2

    公开(公告)日:2010-12-14

    申请号:US12622985

    申请日:2009-11-20

    IPC分类号: C01B33/113 C01B33/32

    摘要: A process for producing aqueous 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, are 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. Further, the use of such silica-based sols in producing paper is disclosed.

    摘要翻译: 一种水溶性二氧化硅基溶胶的制造方法,S值为15〜25%,Si:Al摩尔比为20:1〜50:1,Si:X,其中X =碱金属的摩尔比为5:1 至17:1,SiO 2含量为至少5重量%,并且含有比表面积至少为300m 2 / g的二氧化硅基颗粒,其中具有在氢气中具有部分离子交换容量的阳离子离子交换树脂 形式与碱金属硅酸盐水溶液接触以形成pH为5.0-11.5和/或具有对应于高达45%的S值的颗粒聚集或微凝胶形成的浆料; 使用包含铝化合物的材料调节pH; 并从浆料中分离树脂。 此外,公开了在制造纸中使用这种二氧化硅基溶胶。

    SILICA-BASED SOLS AND THEIR PRODUCTION AND USE
    8.
    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:US20100065238A1

    公开(公告)日:2010-03-18

    申请号:US12622985

    申请日:2009-11-20

    IPC分类号: D21H17/63

    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 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。

    Silica-based sols and their production and use
    9.
    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:US07629392B2

    公开(公告)日:2009-12-08

    申请号:US11100683

    申请日:2005-04-07

    IPC分类号: C01B33/143 C01B33/141

    摘要: A process for producing an aqueous silica-based soils 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 also disclosed.

    摘要翻译: 公开了一种生产水性二氧化硅基污垢的方法,其中具有部分其氢离子交换能力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 还公开了至少5重量%的含量和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。