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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

WO2005124021A1 FILLER FOR PAPER MAKING PROCESS 审中-公开
标题翻译：纸张制作过程填充
公开(公告)号：WO2005124021A1
公开(公告)日：2005-12-29
申请号：PCT/SE2005/000862
申请日：2005-06-08
申请人： AKZO NOBEL N.V. , EKA CHEMICALS AB , SANNE, Erik , ANDERSSON, Kjell , NYANDER, Johan
发明人： SANNE, Erik , ANDERSSON, Kjell , NYANDER, Johan
IPC分类号： D21H17/74
CPC分类号： D21H17/68 , D21H17/25 , D21H23/04
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. The invention also relates to a filler comprising clay and a cellulose derivative having a degree of substitution of carboxyalkyl groups up to about 0.65. The invention further relates to a method of producing a filler which comprises mixing clay with a cellulose derivative having a degree of substitution of net ionic groups up to about 0.65. The invention also relates to a method of producing a filler which comprises mixing clay with a cellulose derivative having a degree of substitution of carboxyalkyl groups up to about 0.65. The invention further relates to a filler obtainable by the methods. The invention further relates to a papermaking process which comprises providing an aqueous suspension containing cellulosic fibres, introducing into the suspension a filler comprising clay and cellulose derivative having a degree of substitution of net ionic groups up to about 0.65, and dewatering the suspension to form a web or sheet of paper. The invention also relates to a papermaking process which comprises providing an aqueous suspension containing cellulosic fibres, introducing into the suspension a filler clay and cellulose derivative having a degree of substitution of carboxyalkyl groups up to about 0.65, and dewatering the suspension to form a web or sheet of paper.
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。本发明还涉及包含粘土和纤维素衍生物的填料，所述纤维素衍生物具有至多约0.65的羧基烷基取代度。本发明还涉及一种生产填料的方法，其包括将粘土与具有高达约0.65的净离子基团的取代度的纤维素衍生物混合。本发明还涉及一种生产填料的方法，该方法包括将粘土与羧烷基取代度高达约0.65的纤维素衍生物混合。本发明还涉及可通过该方法获得的填料。本发明还涉及一种造纸方法，其包括提供含有纤维素纤维的水性悬浮液，将包含粘土和纤维素衍生物的填料包含在悬浮液中，所述填料具有至多约0.65的净离子基团的取代度，并将悬浮液脱水形成网页或纸张。本发明还涉及造纸方法，其包括提供含有纤维素纤维的水性悬浮液，将具有羧基烷基取代度的填料粘土和纤维素衍生物引入悬浮液中至多约0.65，并将悬浮液脱水以形成网或一张纸。

4. 发明申请

WO2006123989A2 A PROCESS FOR THE PRODUCTION OF PAPER 审中-公开
标题翻译：一种生产纸张的过程
公开(公告)号：WO2006123989A2
公开(公告)日：2006-11-23
申请号：PCT/SE2006/050090
申请日：2006-04-27
申请人： AKZO NOBEL N.V. , EKA CHEMICALS AB , NYANDER, Johan , SOLHAGE, Fredrik
发明人： NYANDER, Johan , SOLHAGE, Fredrik
CPC分类号： D21H23/18 , D21H17/375 , D21H17/42 , D21H17/68 , D21H21/10 , D21H23/765
摘要： The present invention relates to a process for producing paper which comprises: (i) providing an aqueous suspension comprising cellulosic fibres, (ii) adding to the suspension after the last point of high shear: (a) a first anionic component which is a water-soluble anionic organic polymer; (b) a second anionic component which is a water-dispersible or branched anionic organic polymer; and (c) a third anionic component which is an anionic siliceous material; and (iii) dewatering the obtained suspension to form paper. The invention further relates to composition which comprises the first, second and third anionic components and the use of the composition as a flocculating agent in the production of pulp and paper and for water purification.
摘要翻译：本发明涉及一种生产纸的方法，其包括：（i）提供包含纤维素纤维的水性悬浮液，（ii）在最后一个高剪切点之后向悬浮液中加入：（a）第一阴离子组分，其为水 - 可溶性阴离子有机聚合物; （b）第二阴离子组分，其是水分散性或支链阴离子有机聚合物; 和（c）第三阴离子组分，其为阴离子硅质材料; 和（iii）将获得的悬浮液脱水以形成纸。本发明还涉及包含第一，第二和第三阴离子组分的组合物，以及该组合物作为絮凝剂在制备纸浆和纸和水净化中的用途。

5. 发明申请

WO2005097678A1 SILICA-BASED SOLS AND THEIR PRODUCTION AND USE 审中-公开
标题翻译：二氧化硅溶胶及其生产和使用
公开(公告)号：WO2005097678A1
公开(公告)日：2005-10-20
申请号：PCT/SE2005/000488
申请日：2005-04-05
申请人： AKZO NOBEL N.V. , EKA CHEMICALS AB , NYANDER, Johan , MANKIN, Glenn
发明人： NYANDER, Johan , MANKIN, Glenn
IPC分类号： C01B33/143
CPC分类号： C01B33/1435 , D21H17/68 , D21H21/10
摘要： The present invention relates to a process for producing an aqueous silica-based sol which comprises: (a) providing a cationic ion exchange resin having at least part of its ion exchange capacity in hydrogen form; (b) bringing said ion exchange resin in contact with an aqueous alkali metal silicate to form an aqueous slurry; (c) stirring said aqueous slurry until the pH of the aqueous phase is in the range of from 5.0 to 11.5; and/or alternatively, stirring said aqueous slurry to allow particle aggregation or microgel formation corresponding to an S value up to 45 %, and obtain a pH of the aqueous phase of at least 5.0; (d) adjusting the pH of said aqueous phase to above 9.0 using one or more materials comprising at least one aluminium compound; and (e)separating said ion exchange resin from the aqueous phase after step (c) or after step (d). The invention also relates to a silica-based sol having an S value within the range of from 15 to 25 %, mole ratio Si:Al in the range of from 20:1 to 50:1, mole ratio Si:X, where X = alkali metal, in the range of from 5:1 to 17:1, SiO 2 content of at least 5 % by weight and containing silica-based particles having a specific surface area of at least 300 m 2 /g. The invention further relates to process for producing paper which comprises: (i) providing an aqueous suspension comprising cellulosic fibres; (j) adding to the suspension one or more drainage and retention aids comprising a silica-based sol according to the invention; and (k) dewatering the obtained suspension to provide a sheet or web of paper.
摘要翻译：本发明涉及一种二氧化硅水溶胶的制备方法，其包括：（a）提供具有氢形式的至少部分离子交换容量的阳离子离子交换树脂; （b）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; （c）搅拌所述含水浆料直到水相的pH在5.0至11.5的范围内; 和/或可选地，搅拌所述含水浆料以允许对应于高达45％的S值的颗粒聚集或微凝胶形成，并且获得水相的pH至少为5.0; （d）使用包含至少一种铝化合物的一种或多种材料将所述水相的pH调节至9.0以上; 和（e）在步骤（c）之后或步骤（d）之后将所述离子交换树脂与水相分离。本发明还涉及一种二氧化硅基溶胶，其S值在15至25％范围内，摩尔比Si:Al在20:1至50:1的范围内，摩尔比Si：X，其中X =碱金属，范围为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。本发明还涉及生产纸的方法，其包括：（i）提供包含纤维素纤维的水性悬浮液; （j）向悬浮液中加入一种或多种包含根据本发明的二氧化硅基溶胶的引流和助留剂; 和（k）将获得的悬浮液脱水以提供纸张或纸幅。

6. 发明申请

WO2012007363A1 CELLULOSIC FIBRE COMPOSITION 审中-公开
标题翻译：纤维素纤维组合物
公开(公告)号：WO2012007363A1
公开(公告)日：2012-01-19
申请号：PCT/EP2011/061571
申请日：2011-07-08
申请人： AKZO NOBEL CHEMICALS INTERNATIONAL B.V. , JANSEN, Jeroen , NYANDER, Johan , HEIJNESSON-HULTÉN, Anette Monica , VAN EIJK, Marcel Cornelis Paulus , O, Boen Ho , BEIJERS, Gerard Henk , LAI, Ronald Christopher , VAN DER HORST, Peter Marten , NILSSON, Jerker
发明人： JANSEN, Jeroen , NYANDER, Johan , HEIJNESSON-HULTÉN, Anette Monica , VAN EIJK, Marcel Cornelis Paulus , O, Boen Ho , BEIJERS, Gerard Henk , LAI, Ronald Christopher , VAN DER HORST, Peter Marten , NILSSON, Jerker
IPC分类号： D21H11/18 , D21H15/00 , D21H15/02 , D21H15/06
CPC分类号： D21H11/20 , B27N3/00 , B29C47/6025 , B29C47/6031 , B29C47/6043 , B29C47/6056 , D21H11/18 , D21H15/02 , D21H27/10
摘要： The invention relates to a composition comprising cellulosic fibres having an average degree of substitution of anionic groups of from 0.001 to 0.25, and • a length weighted mean fibre length up to 1,100 μm and a length weighted mean fibre width over 10 μm, or • a length weighted mean fibre length up to 1,100 μm, and wherein at least 50 % by weight of the cellulosic material is insoluble in water, or • a length weighted mean fibre length / width ratio up to 30, or • a length weighted mean fibre width over 35 μm. The invention also relates to a composition comprising cellulosic fibres having a specific surface area of at least 1.5 m 2 /g, a length weighted mean fibre length / width ratio up to 30, and a dry solids content of at least 5 % by weight, based on the weight of the composition, or up to 30 % by weight, based on the total weight of the cellulosic fibres, of cellulosic fibres with a length weighted mean fibre length up to 100 μm. Method of producing a composition comprising cellulosic fibres which comprises subjecting cellulosic fibres to chemical treatment and mechanical treatment, wherein the chemical treatment comprises treating cellulosic fibres with (i) at least one agent containing a carboxyl group, optionally substituted, (ii) at least one oxidant and at least one transition metal, or (iii) at least one nitroxyl radical, and the mechanical treatment comprises subjecting cellulosic fibres to extrusion with a twin-screw extruder or a planetary roller extruder. The invention also relates to a method of producing a composition comprising cellulosic fibres which comprises subjecting cellulosic fibres having an average degree of substitution of anionic groups of from 0.001 to 0.25 to extrusion. The invention also relates to a composition comprising cellulosic fibres obtainable by the methods, a process for producing a cellulosic pulp mixture which comprises mixing the composition with cellulosic pulp, a cellulosic pulp mixture obtainable by the process, and the use of the composition and cellulosic pulp mixture as an additive in the production of paper and board, processes for producing paper and board in which the composition or cellulosic pulp mixture is used, paper and board obtainable by the processes, and various uses of the paper and board.
摘要翻译：本发明涉及包含0.001至0.25的阴离子基团的平均取代度的纤维素纤维和长达1,100μm的长度加权平均纤维长度以及10μm以上的长度加权平均纤维宽度的组合物，或者α 长度加权平均纤维长度高达1,100μm，并且其中至少50重量％的纤维素材料不溶于水，或者长度加权平均纤维长度/宽度比高达30，或者长度加权平均纤维宽度超过35μm。本发明还涉及一种组合物，其包含比表面积至少为1.5m 2 / g，长度加权平均纤维长度/宽度比至多30，干固体含量至少为5％（重量）的纤维素纤维，基于基于组合物的重量，或基于纤维素纤维的总重量，至多30重量％的长度加权平均纤维长度高达100μm的纤维素纤维。制备包含纤维素纤维的组合物的方法，其包括使纤维素纤维进行化学处理和机械处理，其中所述化学处理包括用（i）至少一种含有羧基的试剂处理纤维素纤维，任选取代，（ii）至少一种氧化剂和至少一种过渡金属，或（iii）至少一种硝酰自由基，并且所述机械处理包括用双螺杆挤出机或行星式挤出机挤出纤维素纤维。本发明还涉及一种生产包含纤维素纤维的组合物的方法，其包括使平均取代度为0.001至0.25的阴离子基团的纤维素纤维进行挤出。本发明还涉及包含可通过该方法获得的纤维素纤维的组合物，一种生产纤维素纸浆混合物的方法，该方法包括将该组合物与纤维素浆料混合，可通过该方法获得的纤维素浆料混合物，以及该组合物和纤维素浆料的用途混合物作为纸和纸板生产中的添加剂，用于生产纸和纸板的方法，其中使用组合物或纤维素纸浆混合物，通过该方法获得的纸张和纸板以及纸和纸板的各种用途。

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