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1. 发明申请

WO2003056100A1 AQUEOUS SILICA-CONTAINING COMPOSITION AND PROCESS FOR PRODUCTION OF PAPER 审中-公开
标题翻译：含水含硅的组合物和纸张生产工艺
公开(公告)号：WO2003056100A1
公开(公告)日：2003-07-10
申请号：PCT/SE2002/002443
申请日：2002-12-20
申请人： AKZO NOBEL N.V. , EKA CHEMICALS AB , NYANDER, Johan , JOHANSSON-VESTIN, Hans , NORDIN, Jan , PAL, Annika, Viola
发明人： NYANDER, Johan , JOHANSSON-VESTIN, Hans , NORDIN, Jan , PAL, Annika, Viola
IPC分类号： D21H17/71
CPC分类号： D21H17/74 , D21H17/29 , D21H17/375 , D21H17/455 , D21H17/48 , D21H17/68 , D21H21/10
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 composition.
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水性组合物，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组合物的制备方法。

2. 发明申请

WO2003056099A1 AQUEOUS SILICA-CONTAINING COMPOSITION AND PROCESS FOR PRODUCTION OF PAPER 审中-公开
标题翻译：含水含硅的组合物和纸张生产工艺
公开(公告)号：WO2003056099A1
公开(公告)日：2003-07-10
申请号：PCT/SE2002/002444
申请日：2002-12-20
申请人： AKZO NOBEL N.V. , EKA CHEMICALS AB , JOHANSSON-VESTIN, Hans , NYANDER, Johan , NORDIN, Jan
发明人： JOHANSSON-VESTIN, Hans , NYANDER, Johan , NORDIN, Jan
IPC分类号： D21H17/68
CPC分类号： D21H17/68 , D21H21/10
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 aggregated or microgel formed 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聚集或微凝胶形成的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有纤维素反应性上浆剂，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在制造纸的方法中使用水性二氧化硅组合物作为排水和助留剂。本发明还涉及从含有纤维素纤维和任选的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荷的有机聚合物加入到纤维素悬浮液中。

3. 发明申请

WO2008036031A1 TREATMENT OF PULP 审中-公开
标题翻译： PULP治疗
公开(公告)号：WO2008036031A1
公开(公告)日：2008-03-27
申请号：PCT/SE2007/050588
申请日：2007-08-29
申请人： AKZO NOBEL N.V. , EKA CHEMICALS AB , GRESCHIK, Thomas, Christopher , JOHANSSON-VESTIN, Hans , FÄGERSTEN, Håkan
发明人： GRESCHIK, Thomas, Christopher , JOHANSSON-VESTIN, Hans , FÄGERSTEN, Håkan
IPC分类号： D21C9/18 , D21H21/10
CPC分类号： D21C9/18 , D21C9/002 , D21H21/143
摘要： The present invention relates to a method of treating an aqueous suspension of bleached pulp derived from an alkaline pulping process comprising dewatering and drying said suspension, wherein the pH of the suspension to be treated ranges from about 6.5 to 5 about 12.
摘要翻译：本发明涉及一种处理来自碱性制浆方法的漂白纸浆的水性悬浮液的方法，包括脱水和干燥所述悬浮液，其中待处理的悬浮液的pH为约6.5至5约12。

4. 发明申请

WO2007073321A1 SIZING OF PAPER 审中-公开
标题翻译：纸张尺寸
公开(公告)号：WO2007073321A1
公开(公告)日：2007-06-28
申请号：PCT/SE2006/050506
申请日：2006-11-24
申请人： AKZO NOBEL N.V. , EKA CHEMICALS AB , JOHANSSON-VESTIN, Hans , LIESÉN, Jonas , TURUNEN, Marie , EMANUELSSON, Jan
发明人： JOHANSSON-VESTIN, Hans , LIESÉN, Jonas , TURUNEN, Marie , EMANUELSSON, Jan
IPC分类号： D21H21/16
CPC分类号： D21H21/16 , D21H17/07 , D21H17/45 , D21H17/56 , D21H17/68 , D21H23/04 , D21H23/22
摘要： The invention relates to an aqueous dispersion of cellulose-reactive sizing agent containing an acid anhydride, an anionic polyelectrolyte and a nitrogen-containing organic compound which is an amine or quaternary ammonium thereof having a molecular weight less than 180 and/or having one or more hydroxyl groups. The invention further relates to a method for the preparation of an aqueous dispersion of cellulose-reactive sizing agent which comprises dispersing an acid anhydride in an aqueous phase in the presence of an anionic polyelectrolyte and a nitrogen-containing organic compound which is an amine or quaternary ammonium thereof having a molecular weight less than 180 and/or having one or more hydroxyl groups. The invention also relates to the use of the aqueous dispersion of cellulose-reactive sizing agent as a stock sizing agent or surface sizing agent in the production of paper. The invention further relates to a process for the production of paper which comprises adding the aqueous dispersion of cellulose-reactive sizing agent to an aqueous cellulosic suspension.
摘要翻译：本发明涉及含有酸酐，阴离子聚电解质和含氮有机化合物的纤维素反应性施胶剂的水性分散体，其是分子量小于180的胺或季铵盐和/或具有一个或多个羟基。本发明还涉及一种制备纤维素反应性施胶剂的水性分散体的方法，该方法包括在阴离子聚电解质和作为胺或季铵盐的含氮有机化合物存在下将酸酐分散在水相中其分子量小于180的氨基和/或具有一个或多个羟基的铵。本发明还涉及纤维素反应性施胶剂的水性分散体作为纸浆施胶剂或表面施胶剂在纸的生产中的用途。本发明还涉及生产纸的方法，其包括将纤维素反应性施胶剂的水分散体加入到纤维素水悬浮液中。

5. 发明申请

WO2008143580A1 PROCESS FOR THE PRODUCTION OF A CELLULOSIC PRODUCT 审中-公开
标题翻译：生产细胞产品的方法
公开(公告)号：WO2008143580A1
公开(公告)日：2008-11-27
申请号：PCT/SE2008/050481
申请日：2008-04-28
申请人： AKZO NOBEL N.V. , JOHANSSON-VESTIN, Hans , ANDERSSON, Arne , SOLHAGE, Fredrik
发明人： JOHANSSON-VESTIN, Hans , ANDERSSON, Arne , SOLHAGE, Fredrik
IPC分类号： D21H21/20
CPC分类号： D21H21/20 , D21H17/55 , D21H17/68 , D21H19/40 , D21H23/50 , D21H23/56
摘要： The present invention concerns a process for the production of a cellulosic product comprising providing a fiber-containing suspension, wherein at least about 60% by weight of the fibers are cellulosic fibers,and dewatering the suspension on a wire to form a cellulosic fiber web, the process further comprisingadding silica-based particles to the formed web and a wet strength agent to the suspension and/or to the formed web. The invention also concerns a product obtainable by the process. The invention further concerns a dispersion comprising silica-based particles and a substantially aldehyde-free wet strength agent. A further aspect of the invention concerns a dispersion comprising silica-based particles having a specific surface area rangingfrom about 1000 to about 1700m 2 /g and a wet strength agent. Still another aspect of the invention concerns the use of the dispersion as an additive in a papermaking process.
摘要翻译：本发明涉及一种生产纤维素产品的方法，包括提供含纤维悬浮液，其中至少约60重量％的纤维是纤维素纤维，并将悬浮液脱水以形成纤维素纤维网，该方法还包括将二氧化硅基颗粒添加到所形成的纤维网上，以及将湿强度剂添加到悬浮液和/或形成的网。本发明还涉及通过该方法可获得的产品。本发明还涉及包含二氧化硅基颗粒和基本上无醛的湿强度剂的分散体。本发明的另一方面涉及包含比表面积为约1000至约1700m 2 / g的二氧化硅基颗粒和湿强度剂的分散体。本发明的另一方面涉及在造纸方法中使用该分散体作为添加剂。

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