公开(公告)号：US5645731A

公开(公告)日：1997-07-08

申请号：US704027

申请日：1996-08-26

申请人： Charles Lee Burdick ,  Elliott Echt

发明人： Charles Lee Burdick ,  Elliott Echt

IPC分类号： C08J3/03 ,  C08L71/02 ,  D21H17/33 ,  D21H17/53 ,  D21H17/63 ,  D21H17/66 ,  D21H21/10 ,  D21H23/18 ,  B03D3/06

CPC分类号： C08J3/03 ,  C08L71/02 ,  D21H17/74 ,  D21H21/10 ,  D21H23/18 ,  C08J2371/02 ,  D21H17/53 ,  D21H17/63 ,  D21H17/66

摘要： A method is provided for using an aqueous suspension of at least 15% of poly(ethylene oxide)(PEO) as a flocculent. PEO is dispersed in an aqueous solution of at least one salt selected from the group consisting of sodium or potassium formate, sodium or potassium hydroxide, sodium or potassium citrate, sodium or potassium acetate, sodium chloride or mixtures thereof to form a poly(ethylene oxide) suspension having at least 15% of poly(ethylene oxide) by total weigh. This suspension is dissolved in an aqueous system; and said dissolved aqueous system is added in conjunction with a solution of a coagulant or synthetic flocculents selected from the group consisting of alum, polyaluminum chloride, sodium aluminates, polyamines, polyacrylamides, copolymers of acrylamide with cationic or anionic monomers, or polyethylene imine, to an aqueous slurry containing finely divided materials, whereby said dissolved aqueous dispersion enhances the separation of the finely divided materials from the liquid in the aqueous slurry.

摘要翻译： 提供一种使用至少15％的聚（环氧乙烷）（PEO）作为絮凝剂的水性悬浮液的方法。 PEO分散在选自甲酸钠或钾酸钾，氢氧化钠或氢氧化钾，柠檬酸钠或钾，柠檬酸钠或钾，氯化钠或其混合物中的至少一种盐的水溶液中以形成聚（环氧乙烷 ）悬浮液，其总重量具有至少15％的聚（环氧乙烷）。 该悬浮液溶于水系统; 并且将所述溶解的水性体系与选自明矾，聚氯化铝，铝酸钠，聚胺，聚丙烯酰胺，丙烯酰胺与阳离子或阴离子单体的共聚物或聚乙烯亚胺的絮凝剂或合成絮凝剂的溶液，或聚乙烯亚胺一起加入到 含有细碎材料的含水浆料，其中所述溶解的水分散体增强了细分散材料与含水浆料中的液体的分离。

公开(公告)号：US5629368A

公开(公告)日：1997-05-13

申请号：US443043

申请日：1995-05-17

申请人： Daniel K. Chung

发明人： Daniel K. Chung

IPC分类号： D21H21/10 ,  D21H23/14 ,  C08K3/34 ,  C04B33/04 ,  C04B41/68

CPC分类号： D21H21/10 ,  D21H23/14 ,  Y10T428/31638

摘要： A process for preparing a liquid slurry of bentonite which comprises the steps of charging a reactor vessel with between about 25 to about 75% of water by weight. The water is heated to a temperature range between about 50.degree. C. to about 95.degree. C. The reactor vessel is charged with between about 0, 1 and about 10% of sodium salt of silicic acid by weight and with between about 15 to about 35% of bentonite by weight. The reactor vessel is also charged with between about 10 to about 30% of a polyacrylate by weight.

摘要翻译： 一种制备膨润土的液体浆料的方法，包括以下步骤：向反应容器中加入约25至约75重量％的水。 将水加热至约50℃至约95℃的温度范围。反应容器中加入约0.1至约10重量％的硅酸钠盐和约15至约10重量％ 35％的膨润土按重量计。 反应器容器还以约10至约30重量％的聚丙烯酸酯加入。

公开(公告)号：US5603805A

公开(公告)日：1997-02-18

申请号：US379630

申请日：1995-02-03

申请人： Kjell Andersson ,  Bo Larsson ,  Erik Lindgren

发明人： Kjell Andersson ,  Bo Larsson ,  Erik Lindgren

IPC分类号： C01B33/14 ,  C01B33/143 ,  C01B33/146 ,  C01B33/149 ,  D21F11/00 ,  D21H17/13 ,  D21H17/37 ,  D21H17/45 ,  D21H17/67 ,  D21H17/68 ,  D21H21/10

CPC分类号： D21H17/68 ,  C01B33/143 ,  C01B33/149 ,  D21H17/375 ,  D21H17/45

摘要： Silica sols with a high content of microgel and particles with a specific surface area within the range 300 to 700 m.sup.2 /g, preferably 400 to 650 m.sup.2 /g. The sols can be prepared by acidification or a water glass solution and alkalization at a certain dry content, alternatively to a certain pH. The sols are particularly suitable for use as additives in papermaking in combination with cationic polymers and especially in combination with cationic acrylamide based polymers.

摘要翻译： PCT No.PCT / SE93 / 00663 Sec。 371日期：1995年2月3日 102（e）日期1995年2月3日PCT提交1993年8月11日PCT公布。 公开号WO94 / 05596 日期1994年3月17日硅溶胶具有高含量的微凝胶和颗粒，比表面积在300-700m2 / g，优选400-650m2 / g的范围内。 溶胶可以通过酸化或水玻璃溶液制备，并以一定的干含量，或者一定的pH值碱化。 该溶胶特别适用于与阳离子聚合物结合使用的造纸添加剂，特别是与阳离子丙烯酰胺基聚合物组合使用。

公开(公告)号：US5571379A

公开(公告)日：1996-11-05

申请号：US485852

申请日：1995-06-07

申请人： Arthur P. Derrick

发明人： Arthur P. Derrick

IPC分类号： D21H17/33 ,  D21H17/37 ,  D21H17/42 ,  D21H17/43 ,  D21H17/45 ,  D21H17/63 ,  D21H21/10 ,  D21H23/18 ,  D21H23/76

CPC分类号： D21H23/18 ,  D21H17/42 ,  D21H17/43 ,  D21H17/455 ,  D21H21/10 ,  D21H23/76

摘要： The composition comprises a water dispersible colloidal siliceous material, such as a swelling clay, in intimate association with a low molecular weight water soluble high charge density organic polymer, such as a polyacrylic acid or a polyamine, the ionicity of the siliceous material being significantly modified by the charge on the polymer. The composition may be produced by reacting the siliceous material and the organic polymer in an aqueous phase system at a concentration, for example, of from 5 to 25% by weight of the polymer on swelling clay solids. The composition is suitable for use as a retention/drainage agent in paper or paperboard production, preferably after the addition of a conventional high molecular weight flocculating agent.

摘要翻译： 组合物包含与低分子量水溶性高电荷密度有机聚合物如聚丙烯酸或多胺紧密结合的水分散性胶态硅质材料，例如溶胀性粘土，硅质材料的离子性被显着改性 通过聚合物上的电荷。 组合物可以通过使水性相体系中的硅质材料和有机聚合物以膨胀粘土固体的浓度例如为聚合物的5至25重量％的浓度反应来制备。 该组合物适合用作纸或纸板生产中的保留/排出剂，优选在加入常规的高分子量絮凝剂之后。

公开(公告)号：US5541252A

公开(公告)日：1996-07-30

申请号：US411668

申请日：1995-04-12

申请人： Gunter Schmitt ,  Joachim Carl ,  Manfred Braum ,  Peter Quis ,  Petra Schliessmann

发明人： Gunter Schmitt ,  Joachim Carl ,  Manfred Braum ,  Peter Quis ,  Petra Schliessmann

IPC分类号： C08F2/16 ,  C08F2/20 ,  C08J3/03 ,  C08J3/07 ,  C08L33/00 ,  C08L55/00 ,  C08L101/00 ,  C09K17/18 ,  D21H17/34 ,  D21H21/10

CPC分类号： C08J3/03 ,  C08L55/005 ,  C09K17/18 ,  D21H17/34 ,  D21H21/10 ,  C08J2300/14

摘要： The invention relates to a process for the preparation of low viscous, water soluble polymer dispersions on an aqueous basis with a high concentration of the active substance, containing a polymerizate A) synthesized from the monomeric components, hydrophobic monomers and optionally amphiphilic monomers, which exhibit an average molecular weight M.sub.w of at least 5.times.10.sup.5 Dalton and contain at least one polymeric dispersing agent D), where in a first step an aqueous dispersion PD) is prepared from the polymerizate A) and at least one polymeric dispersing agent D); in a second step an aqueous, highly concentrated dispersion PD') is prepared from the aqueous dispersion PD) by extracting the water; and in a third step an aqueous dispersion PD") with a high content of the active substance is prepared through the addition of an aqueous dispersion of at least one polymeric dispersing agent D) to the concentrated dispersion PD'), and where the second and third process step can be repeated in succession.

摘要翻译： PCT No.PCT / DE94 / 01214 Sec。 371日期：1995年4月12日 102（e）日期1995年4月12日PCT 1994年10月14日PCT PCT。 WO95 / 11269 PCT公开号 日期1995年04月27日本发明涉及一种在水性基础上制备低浓度水溶性聚合物分散体的方法，所述分散体含有高浓度的活性物质，其含有由单体组分合成的聚合物A），疏水单体和任选的 其表现出至少5×10 5道尔顿的平均分子量Mw并且含有至少一种聚合物分散剂D），其中在第一步骤中，由聚合物A）和至少一种聚合物分散剂制备水分散体PD） D）; 在第二步中，通过萃取水从水分散体PD）制备水溶液，高度浓缩的分散体PD'）; 并且在第三步中，通过将至少一种聚合物分散剂D）的水性分散体加入到浓缩分散体PD'）中制备具有高含量活性物质的水分散体PD“），其中第二 并且可以连续重复第三处理步骤。

公开(公告)号：US5496440A

公开(公告)日：1996-03-05

申请号：US170282

申请日：1994-01-03

申请人： Bruno Carre/ ,  Ulf Carlson

发明人： Bruno Carre/ ,  Ulf Carlson

IPC分类号： D21H17/24 ,  D21H17/37 ,  D21H17/42 ,  D21H17/63 ,  D21H17/64 ,  D21H21/10

CPC分类号： D21H17/64 ,  D21H17/24 ,  D21H17/375 ,  D21H17/42 ,  D21H21/10

摘要： A process for improved dewatering and retention in the manufacture of paper, where a retention agent containing anionic groups and being based on a polysaccharide or being an acrylamide-based polymer and an alkaline solution of an aluminate are added to the stock containing lignocellulose-containing fibres and optionally fillers. The pH of the stock prior to the addition of the aluminate should be below about 7 to obtain the desired cationic aluminum hydroxide complexes in the stock. The present process is cost effective and insensitive to the content of calcium in the white water.

摘要翻译： PCT No.PCT / SE92 / 00416 Sec。 371日期1994年1月3日 102（e）日期1994年1月3日PCT提交1992年6月12日PCT公布。 公开号WO93 / 01352。 日本1993年1月21日。一种用于改进纸的制造中脱水和保留的方法，其中加入含有阴离子基团并基于多糖或基于丙烯酰胺的聚合物和铝酸盐的碱性溶液的保留剂 含有含木素纤维素的纤维和任选的填料的原料。 在添加铝酸盐之前，原料的pH值应低于约7，以获得所需的阳离子氢氧化铝配合物。 本方法具有成本效益，对白水中的钙含量不敏感。

公开(公告)号：US5446107A

公开(公告)日：1995-08-29

申请号：US259702

申请日：1994-06-14

申请人： Klaus Szablikowski ,  Wolfgang Koch ,  Heinrich Leffers ,  Hans-Gunter Poersch-Panke ,  Branislav Boehmer

发明人： Klaus Szablikowski ,  Wolfgang Koch ,  Heinrich Leffers ,  Hans-Gunter Poersch-Panke ,  Branislav Boehmer

IPC分类号： C08F8/08 ,  C08F2/38 ,  C08F8/32 ,  C08F20/56 ,  D21H17/37 ,  D21H17/44 ,  D21H21/02 ,  D21H21/04 ,  D21H21/10 ,  C08F8/00

CPC分类号： C08F8/32 ,  D21H17/375 ,  D21H17/44 ,  D21H21/02 ,  D21H21/10

摘要： A method for the preparation of water-soluble, cationic amine polymers by the continuous or batch-wise reaction of a polymer having primary, secondary or tertiary amine functions in its side chain or primary chain as a starting material, wherein the reaction is carried out with an epoxide, a glycidyl ether or a mixture of different epoxides and glycidyl ethers in aqueous solution without additional solvent at a temperature of 30.degree. to 90.degree. C. and at a pH of 8 to 14 within 3 to 30 minutes, the epoxides or glycidyl ethers are added as one batch or in portions, and after adjusting the pH of the aqueous solution of the cationic polymer, which is >13.5 after the reaction with epoxide or glycidyl ether, using a mineral or carboxylic acid, the product solution is obtained without additional work-up steps.

摘要翻译： 通过在其侧链或一级链中具有伯胺，仲胺或叔胺官能团的聚合物的连续或间歇反应作为起始原料制备水溶性阳离子胺聚合物的方法，其中反应进行 环氧化物，缩水甘油醚或不同环氧化物和缩水甘油醚在水溶液中的混合物，不含另外的溶剂，温度为30-90℃，pH为8-14，3-30分钟内，环氧化物或 缩水甘油醚以一批或分批的形式加入，并且在使用矿物或羧酸与环氧化物或缩水甘油醚反应后调节阳离子聚合物的水溶液的pH> 13.5后，得到产物溶液 没有额外的后处理步骤。

公开(公告)号：US5401363A

公开(公告)日：1995-03-28

申请号：US147622

申请日：1993-11-05

申请人： Ulrich Begemann ,  Helmut Heinzmann ,  Wolfgang Ruf

发明人： Ulrich Begemann ,  Helmut Heinzmann ,  Wolfgang Ruf

IPC分类号： D21F1/02 ,  D21F1/06 ,  D21H17/56 ,  D21H21/10 ,  D21H23/06

CPC分类号： D21F1/06 ,  D21F1/02 ,  Y10S162/11

摘要： A method of manufacturing a web of fibers, especially a web of paper. The pulp is uniformly distributed through an outlet over the width of the machine and along a wire or between two wires. Most of the moisture is subsequently extracted from the pulp accommodated on or between the wires at a draining point. Various amounts of retaining agents are added to the pulp at sections across the headbox and the web in order to control the level of retention sectionally.

摘要翻译： 一种制造纤维网，特别是纸幅的方法。 纸浆通过机器宽度上的出口均匀地分布，并沿着线或两根线之间分布。 大部分水分随后在排水点从容纳在电线之间或之间的纸浆中提取。 为了控制保留水平，各种量的保留剂被添加到纸浆在流浆箱和纸幅上的部分。

公开(公告)号：US5393381A

公开(公告)日：1995-02-28

申请号：US74026

申请日：1993-06-02

申请人： Rene Hund ,  Eric Philibert

发明人： Rene Hund ,  Eric Philibert

IPC分类号： D21H17/37 ,  D21H17/45 ,  D21H17/68 ,  D21H21/10

CPC分类号： D21H17/455 ,  D21H17/375 ,  D21H17/68 ,  D21H21/10

摘要： Process for the manufacture of a paper or a cardboard having improved retention, in which a polyacrylamide and bentonite are added to the fibrous suspension, wherein in that the polyacrylamide is a branched polyacrylamide, which is easily soluble in water, and is introduced in the dissolved powder form at a concentration of 0.03 to 1.0 per thousand (0.03 to 1.0%) by weight of the dry weight of the fibrous suspension.

摘要翻译： 用于制造具有改进的保留性的纸或纸板的方法，其中将聚丙烯酰胺和膨润土加入到纤维悬浮液中，其中聚丙烯酰胺是易于溶于水的支化聚丙烯酰胺，并且被引入溶解的 粉末形式，其浓度为纤维悬浮液的干重量的0.03重量％至1.0重量％（0.03至1.0重量％）。

公开(公告)号：US5389203A

公开(公告)日：1995-02-14

申请号：US115917

申请日：1993-09-01

申请人： Shigeru Sawayama ,  Kohichi Satoh ,  Shin-ichi Sato ,  Toshiaki Sakakihara

发明人： Shigeru Sawayama ,  Kohichi Satoh ,  Shin-ichi Sato ,  Toshiaki Sakakihara

IPC分类号： C08F8/12 ,  C08F8/44 ,  C08F8/48 ,  D21H17/34 ,  D21H17/37 ,  D21H17/45 ,  D21H21/10 ,  D21H21/14 ,  D21H21/18 ,  D21H27/00

CPC分类号： D21H21/10 ,  C08F8/44 ,  D21H17/37 ,  D21H17/455 ,  D21H21/18

摘要： Disclosed herein is a paper-making additive.comprising a specified cationic polymer having an amidine structure. The cationic polymer additive for paper-making according to the present invention has 20 to 90% by mole of units represented by the formula (1) and/or (2): ##STR1## wherein R.sup.1 and R.sup.2 independently denote a hydrogen atom or a methyl group, and X- denotes an anion; and has a reduced viscosity of 0.1 to 10 dl/g as measured in a 1N saline solution of 0.1 g/dl at 25.degree. C. The additives are excellent in improving paper or pulp properties, such as freeness, filler retention and paper strength.

摘要翻译： 本文公开的是具有脒结构的指定阳离子聚合物的造纸添加剂。 根据本发明的用于造纸的阳离子聚合物添加剂具有由式（1）和/或（2）表示的单元的20至90摩尔％：其中R1 R2独立地表示氢原子或甲基，X表示阴离子。 并且在25℃下在1N盐水溶液中测得0.1至10dl / g的比浓粘度为0.1g / dl。添加剂在改善纸浆或纸浆性能方面是优异的，例如游离度，填料保留性和纸张强度。