公开(公告)号：US20110065812A1

公开(公告)日：2011-03-17

申请号：US12946274

申请日：2010-11-15

申请人： Johan NYANDER ,  Glenn MANKIN

发明人： Johan NYANDER ,  Glenn MANKIN

IPC分类号： B01F17/00

CPC分类号： C01B33/1435 ,  D21H17/68 ,  D21H21/10 ,  Y10S516/928

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。

公开(公告)号：US20100065238A1

公开(公告)日：2010-03-18

申请号：US12622985

申请日：2009-11-20

申请人： Johan NYANDER ,  Glenn Mankin

发明人： Johan NYANDER ,  Glenn Mankin

IPC分类号： D21H17/63

CPC分类号： C01B33/1435 ,  D21H17/68 ,  D21H21/10 ,  Y10S516/928

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。

公开(公告)号：US20120186765A1

公开(公告)日：2012-07-26

申请号：US13397293

申请日：2012-02-15

申请人： Johan NYANDER ,  Fredrik SOLHAGE

发明人： Johan NYANDER ,  Fredrik SOLHAGE

IPC分类号： D21H17/43

CPC分类号： D21H17/37 ,  D21H17/25 ,  D21H17/375 ,  D21H17/42 ,  D21H17/68 ,  D21H21/10 ,  D21H21/52

摘要： The present invention relates to a drainage and retention aid composition which comprises: (d) a first anionic component which is a water-soluble anionic organic polymer; (e) a second anionic component which is a water-dispersible or branched anionic organic polymer; and (f) 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：（d）第一阴离子组分，其为水溶性阴离子有机聚合物; （e）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（f）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。

公开(公告)号：US20120291671A1

公开(公告)日：2012-11-22

申请号：US13560255

申请日：2012-07-27

申请人： Erik SANNE ,  Rune Kjell ANDERSSON ,  Johan NYANDER

发明人： Erik SANNE ,  Rune Kjell ANDERSSON ,  Johan NYANDER

IPC分类号： C08L1/28

CPC分类号： D21H17/25 ,  C08K3/34 ,  C08K3/346 ,  C08L1/26 ,  D21H17/26 ,  D21H17/68

摘要： The present invention relates to a filler comprising clay and cellulose derivative having a degree of substitution of net ionic groups up to about 0.65.

摘要翻译： 本发明涉及包含粘土和纤维素衍生物的填料，其具有高达约0.65的净离子基团的取代度。