公开(公告)号：US07732495B2

公开(公告)日：2010-06-08

申请号：US11100929

申请日：2005-04-07

申请人： Glenn Mankin ,  Marek Tokarz ,  Freddie Hansson

发明人： Glenn Mankin ,  Marek Tokarz ,  Freddie Hansson

IPC分类号： C01B33/20 ,  C01B33/141

CPC分类号： C01B33/1435 ,  D21H17/29 ,  D21H17/375 ,  D21H17/455 ,  D21H17/68 ,  D21H21/10 ,  Y10S516/928

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。

公开(公告)号：US07893114B2

公开(公告)日：2011-02-22

申请号：US12792419

申请日：2010-06-02

申请人： Glenn Mankin ,  Marek Tokarz ,  Freddie Hansson

发明人： Glenn Mankin ,  Marek Tokarz ,  Freddie Hansson

IPC分类号： C01B33/141 ,  C01B33/20

CPC分类号： C01B33/1435 ,  D21H17/29 ,  D21H17/375 ,  D21H17/455 ,  D21H17/68 ,  D21H21/10 ,  Y10S516/928

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。

公开(公告)号：US20100236738A1

公开(公告)日：2010-09-23

申请号：US12792419

申请日：2010-06-02

申请人： Glenn Mankin ,  Marek Tokarz ,  Freddie Hansson

发明人： Glenn Mankin ,  Marek Tokarz ,  Freddie Hansson

IPC分类号： D21H17/63

CPC分类号： C01B33/1435 ,  D21H17/29 ,  D21H17/375 ,  D21H17/455 ,  D21H17/68 ,  D21H21/10 ,  Y10S516/928

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。

公开(公告)号：US20050228058A1

公开(公告)日：2005-10-13

申请号：US11100929

申请日：2005-04-07

申请人： Glenn Mankin ,  Marek Tokarz ,  Freddie Hansson

发明人： Glenn Mankin ,  Marek Tokarz ,  Freddie Hansson

IPC分类号： B01F3/12 ,  C01B33/143 ,  D21H17/29 ,  D21H17/37 ,  D21H17/45 ,  D21H17/68 ,  D21H21/10

CPC分类号： C01B33/1435 ,  D21H17/29 ,  D21H17/375 ,  D21H17/455 ,  D21H17/68 ,  D21H21/10 ,  Y10S516/928

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。

公开(公告)号：US20110247774A1

公开(公告)日：2011-10-13

申请号：US13054219

申请日：2009-07-10

申请人： Marek Tokarz ,  Hans-Ake Baltsen

发明人： Marek Tokarz ,  Hans-Ake Baltsen

IPC分类号： D21H17/37 ,  D21H17/68 ,  D21H17/29 ,  C04B14/04

CPC分类号： C01B33/141 ,  D21H17/68

摘要： The present invention relates to a silica-based sol having a concentration of soluble silica of less than about 1000 mg SiO2/l, conductivity of at least about 2.0 mS/cm and S-value below about 50%. The invention further relates to a method of producing a silica-based sol comprising subjecting an aqueous alkali metal silicate solution to electrodialysis to form an electrodialyzed sol, and acidifying the electrodialyzed sol to form an acidified sol having a pH in the range of from about 5.0 to about 10. The invention further relates to silica-based sol obtainable by the process and to the use of the silica-based sol as a flocculating agent. The invention further relates to a process for producing paper which comprises providing an aqueous suspension comprising cellulosic fibers, 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： 本发明涉及二氧化硅基溶胶，其溶解二氧化硅的浓度小于约1000mg SiO 2 / l，电导率为至少约2.0mS / cm，S值低于约50％。 本发明还涉及二氧化硅系溶胶的制造方法，其特征在于，使碱金属硅酸盐水溶液进行电渗析，形成电渗析溶胶，酸化所述电渗析溶胶，形成pH为约5.0的酸化溶胶 本发明还涉及通过该方法获得的二氧化硅基溶胶，以及二氧化硅基溶胶作为絮凝剂的用途。 本发明还涉及一种用于生产纸的方法，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引流和助留助剂，并将获得的悬浮液脱水以提供 纸张或纸张。

公开(公告)号：US20100032117A1

公开(公告)日：2010-02-11

申请号：US12520638

申请日：2007-12-18

申请人： Patrik Simonson ,  Marek Tokarz ,  Katarina Gutke

发明人： Patrik Simonson ,  Marek Tokarz ,  Katarina Gutke

IPC分类号： D21H17/66

CPC分类号： D21H17/65 ,  D21H17/66 ,  D21H17/67 ,  D21H21/10

摘要： The present invention relates to a process for the production of a cellulosic product which comprises providing an aqueous thick suspension containing cellulosic fibers having a fiber concentration of at least about 2% by weight; adding to the thick suspension an aluminum compound, alkaline earth metal salt and acid; diluting the obtained thick suspension to form a thin suspension; adding to the thin suspension one or more drainage and retention aids; and dewatering the obtained thin suspension. The invention further relates to a process for the production of a cellulosic product which comprises providing an aqueous thick suspension containing cellulosic fibers having a fiber concentration of at least about 2% by weight and an alkaline earth metal ion concentration of at least about 100 mg/l; adding to the thick suspension an aluminum compound and optionally an acid to obtain a pH of from about 4 to about 5.5; diluting the obtained thick suspension to form a thin suspension; adding to the thin suspension one or more drainage and retention aids; and dewatering the obtained thin suspension. The invention also relates to an aqueous composition comprising a mixture of an aluminum compound, alkaline earth metal salt and acid and the use of the composition.

摘要翻译： 本发明涉及一种生产纤维素产品的方法，其包括提供含有纤维浓度至少约2重量％的纤维素纤维的水性浓悬浮液; 向厚悬浮液中加入铝化合物，碱土金属盐和酸; 稀释所得稠悬浮液以形成薄悬浮液; 向薄悬浮液中加入一种或多种排水和助留剂; 并将得到的薄悬浮液脱水。 本发明还涉及一种生产纤维素产品的方法，该方法包括提供含有纤维素浓度至少为约2重量％且碱土金属离子浓度为至少约100mg / l; 向厚悬浮液中加入铝化合物和任选的酸以获得约4至约5.5的pH; 稀释所得稠悬浮液以形成薄悬浮液; 向薄悬浮液中加入一种或多种排水和助留剂; 并将得到的薄悬浮液脱水。 本发明还涉及包含铝化合物，碱土金属盐和酸的混合物的水性组合物和组合物的用途。

公开(公告)号：US07169261B2

公开(公告)日：2007-01-30

申请号：US10007885

申请日：2001-11-05

申请人： Michael Persson ,  Marek Tokarz ,  Maj-Lis Dahlgren

发明人： Michael Persson ,  Marek Tokarz ,  Maj-Lis Dahlgren

IPC分类号： D21H11/00

CPC分类号： C01B33/1435 ,  C01B33/141 ,  C01B33/146

摘要： An aqueous sol containing silica-based particles which has an S-value within the range of from 10 to 45%, a viscosity within the range of from 5 to 40 cP, and a molar ratio of SiO2 to M2O, where M is alkali metal or ammonium, within the range of from 10:1 to 40:1, or a silica content of at least 10% by weight. The invention further relates to a process for the production of silica-based particles comprising the steps of: (a) acidifying an aqueous silicate solution to a pH of from 1 to 4 to form an acid sol; (b) alkalising the acid sol at an SiO2 content within the range of from 4.5 to 8% by weight to; (c) allowing particle growth of the alkalised sol for at least 10 minutes, or heat-treating the alkalised sol at a temperature of a least 30° C.; and then (d) alkalising the obtained sol to a pH of at least 10.0. The invention further relates to silica-based particles obtainable by the process, the use of the silica-based particles as drainage and retention aids in the production of paper as well as a process for the production of paper from an aqueous suspension containing cellulosic fibers, and optional filler, in which silica-based particles and at least one charged organic polymer are added to the cellulosic suspension.

摘要翻译： 含有S值在10〜45％，粘度在5〜40cP的范围内的二氧化硅系粒子和SiO 2的摩尔比的含水溶胶， 至M 2 O，其中M为碱金属或铵，为10:1至40:1，或二氧化硅含量为至少10重量％。 本发明还涉及一种生产二氧化硅基颗粒的方法，包括以下步骤：（a）将硅酸水溶液酸化至1至4的pH以形成酸溶胶; （b）将酸性溶胶碱化至SiO 2重量％至4.5％至8％的范围内; （c）允许碱化溶胶的颗粒生长至少10分钟，或在至少30℃的温度下热处理碱化溶胶; 然后（d）将获得的溶胶碱化至至少10.0的pH。 本发明还涉及通过该方法可获得的二氧化硅基颗粒，使用二氧化硅基颗粒作为纸的生产中的排水和助留剂以及由含纤维素纤维的含水悬浮液生产纸的方法， 和任选的填料，其中将二氧化硅基颗粒和至少一个带电有机聚合物加入到纤维素悬浮液中。

公开(公告)号：US20050257909A1

公开(公告)日：2005-11-24

申请号：US11130990

申请日：2005-05-17

申请人： Erik Lindgren ,  Erik Sanne ,  Marek Tokarz ,  Jerker Nilsson

发明人： Erik Lindgren ,  Erik Sanne ,  Marek Tokarz ,  Jerker Nilsson

IPC分类号： D21H17/66 ,  D21H17/69 ,  D21H27/10 ,  D21H27/30

CPC分类号： D21H17/69 ,  D21H17/66 ,  D21H27/10 ,  D21H27/30

摘要： The invention relates to a process for producing board which comprises providing an aqueous suspension comprising cellulosic fibres; adding hydrotalcite to the suspension; dewatering the obtained suspension to provide a (i) single ply board. The invention further relates to board comprising one or more plies containing cellulosic fibres, wherein the board further comprises hydrotalcite distributed throughout at least one of said one or more plies.

摘要翻译： 本发明涉及一种生产板的方法，其包括提供包含纤维素纤维的水性悬浮液; 向悬浮液中加入水滑石; 对获得的悬浮液进行脱水以提供（i）单层板。 本发明还涉及包含含有纤维素纤维的一个或多个层的板，其中所述板还包括分布在所述一个或多个层中的至少一个层中的水滑石。

公开(公告)号：US20110196047A1

公开(公告)日：2011-08-11

申请号：US13079346

申请日：2011-04-04

申请人： Michael Persson ,  Marek Tokarz ,  Maj-Lis Dahlgren ,  Hans Johansson-Vestin

发明人： Michael Persson ,  Marek Tokarz ,  Maj-Lis Dahlgren ,  Hans Johansson-Vestin

IPC分类号： B01F3/12

CPC分类号： C01B33/146 ,  C01B33/141 ,  C01B33/143 ,  C01B33/1435 ,  D21H17/29 ,  D21H17/375 ,  D21H17/455 ,  D21H17/68 ,  D21H21/10

摘要： A process for the production of an aqueous sol containing silica-based particles which comprises (a) acidifying an aqueous silicate solution to a pH of from 1 to 4 to form an acid sol; (b) alkalising the acid sol at an SiO2 content within the range of from 4.5 to 8% by weight; (c) allowing particle growth of the alkalised sol for at least 10 minutes; or heat-treating the alkalised sol at a temperature of a least 30° C.; (d) alkalising the obtained sol to a pH of at least 10.0; and (e) optionally concentrating the sol obtained according to (b), (c) or (d) to provide an aqueous sol containing silica-based particles and having a specific surface area of at least 90 m2/g aqueous sol; as well as an aqueous sol containing silica-based particles obtainable by the process. The invention also relates to an aqueous sol containing silica-based particles which sol has a specific surface area of at least 115 m2/g aqueous sol and an S-value within the range of from 10 to 45% or contains silica-based particles having a specific surface area of at least 550 and less than 1000 m2/g SiO2. The invention further relates to the use of the aqueous sol containing silica-based particles as a drainage and retention aid in the production of paper as well as a process for the production of paper from an aqueous suspension containing cellulosic fibres, and optional filler, in which silica-based particles and at least one charged organic polymer are added to the cellulosic suspension.

摘要翻译： 一种制备含有二氧化硅基颗粒的水性溶胶的方法，其包括（a）将硅酸盐水溶液酸化至1至4的pH以形成酸性溶胶; （b）将酸性溶胶碱化为SiO 2含量在4.5至8重量％的范围内; （c）允许碱化溶胶的颗粒生长至少10分钟; 或在至少30℃的温度下热处理碱化溶胶。 （d）将所得溶胶碱化至至少10.0的pH; 和（e）任选地将根据（b），（c）或（d）获得的溶胶进行浓缩，以提供含有二氧化硅基颗粒并且比表面积为至少90m 2 / g水溶胶的水性溶胶; 以及含有可通过该方法获得的二氧化硅基颗粒的含水溶胶。 本发明还涉及含有二氧化硅基颗粒的水性溶胶，所述溶胶的比表面积为至少115m 2 / g水溶胶，S值在10〜45％范围内，或含有二氧化硅系颗粒， 至少550和小于1000m 2 / g SiO 2的比表面积。 本发明还涉及含有二氧化硅基颗粒的水性溶胶作为生产纸的排水和助留剂的用途以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 将这种二氧化硅基颗粒和至少一种带电有机聚合物加入到纤维素悬浮液中。

公开(公告)号：US20080011438A1

公开(公告)日：2008-01-17

申请号：US11782872

申请日：2007-07-25

申请人： Marek Tokarz ,  Jerker Nilsson

发明人： Marek Tokarz ,  Jerker Nilsson

IPC分类号： D21H17/68

CPC分类号： D21H17/68 ,  Y10T428/24455

摘要： The present invention relates to a process for the production of a cellulosic product which comprises (i) providing an aqueous cellulosic suspension; (ii) adding to the suspension a clay having 3R2 stacking; and (iii) dewatering the obtained suspension. The invention also relates to a process for the production of a cellulosic product which comprises (i) providing an aqueous cellulosic suspension; (ii) adding to the suspension a cationic clay; (iii) adding to the suspension one or more drainage and retention aids comprising at least one cationic polymer; and (iv) dewatering the obtained suspension. The invention further relates to a cellulosic product comprising clay having 3R2 stacking.

摘要翻译： 本发明涉及一种生产纤维素产品的方法，其包括（i）提供水性纤维素悬浮液; （ii）向悬浮液中加入具有3R 2 N 2堆叠的粘土; 和（iii）对获得的悬浮液进行脱水。 本发明还涉及一种生产纤维素产品的方法，其包括（i）提供水性纤维素悬浮液; （ii）向悬浮液中加入阳离子粘土; （iii）向悬浮液中加入一种或多种包含至少一种阳离子聚合物的排水和助留剂; 和（iv）使得到的悬浮液脱水。 本发明还涉及包含具有3R 2层叠的粘土的纤维素产品。