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1. 发明专利

JP2012229311A Water-soluble polymer dispersion, paper strength additive, filtration improvement agent for papermaking, and retention aid for papermaking 有权
标题翻译：水溶性聚合物分散剂，纸张强度添加剂，用于造纸的过滤改进剂和用于造纸的保鲜剂
公开(公告)号：JP2012229311A
公开(公告)日：2012-11-22
申请号：JP2011097617
申请日：2011-04-25
申请人： Arakawa Chem Ind Co Ltd , 荒川化学工業株式会社
发明人： FUJIOKA DAISUKE , TERASHITA YOSHIHIKO
IPC分类号： C08F2/44 , C08F220/34 , D21H17/37 , D21H21/10 , D21H21/18
摘要： PROBLEM TO BE SOLVED: To provide a water-soluble polymer dispersion in which a particle diameter is small and uniform, and which excels in storage stability, and a paper strength additive which excels in storage stability, does not disarrange a balance of an obtained paper, and can impart a high paper strength effect to paper, and to provide a filtration improvement agent for papermaking, and a retention aid for papermaking.SOLUTION: The water-soluble polymer dispersion is obtained by dispersing a water-soluble polymer (A) obtained by copolymerizing at least a cationic radically polymerizable monomer (a1) and a radical polymerization component (a) containing (meth)acrylamide (a4) in an aqueous salt solution in which a salt concentration is at least 10 wt.% and at most a saturating concentration, by using the following (B) and (C) components. (B) component: a polymeric dispersant obtained by copolymerizing a radical polymerization component (b) including a cationic radically polymerizable monomer (b1), (meth)acrylamide (b5), and a crosslinkable monomer (b3) and/or N-substitution (meth)acrylamide (b4) shown by general formula (1) CH2=C(R1)-CONR2(R2), wherein R1 denotes a hydrogen atom or a methyl group, and R2 each independently denote a 1-4C straight chain or branched chain alkyl group, (C): a polyhydric alcohol of a carbon number of 2-10.
摘要翻译：要解决的问题：为了提供粒径小且均匀并且保存稳定性优异的水溶性聚合物分散体和保存稳定性优异的纸张强度添加剂，不会使平衡不平衡可以赋予纸张高的纸强度效果，提供造纸用过滤改性剂和造纸用助留剂。解决方案：通过将至少含有阳离子可自由基聚合单体（a1）和含有（甲基）丙烯酰胺的自由基聚合组分（a）的共聚合得到的水溶性聚合物（A）分散在水溶性聚合物分散体中， a4）通过使用以下（B）和（C）成分，其盐浓度为至少10重量％且至多饱和浓度的盐水溶液。（B）成分：通过使包含阳离子自由基聚合性单体（b1），（甲基）丙烯酰胺（b5）和交联性单体（b3）和/或N-取代（b）的自由基聚合成分（b）甲基）丙烯酰胺（b4）CH2 = C（R1）-CONR2（R2），其中R1表示氢原子或甲基，R2各自独立地表示1-4C的直链或支链烷基，（C）：碳数为2-10的多元醇。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2010077541A Water-soluble polymer dispersion, paper-strengthening agent, freeness-improving agent for making paper and yield-improving agent for making paper 有权
标题翻译：水溶性聚合物分散剂，增强剂，制造造纸用纸和改良剂的自动改进剂
公开(公告)号：JP2010077541A
公开(公告)日：2010-04-08
申请号：JP2008243550
申请日：2008-09-24
申请人： Arakawa Chem Ind Co Ltd , 荒川化学工業株式会社
发明人： FUJIOKA DAISUKE , NABETA YOSHIMORI , KURAI HIROMI
IPC分类号： D21H17/37 , C08F2/44 , C08F265/00 , C08L101/14 , D21H17/41
摘要： PROBLEM TO BE SOLVED: To provide a water-soluble polymer dispersion which does not precipitate fine particles, when stored for a long period, and is excellent in storage stability, to provide a paper-strengthening agent, to provide a freeness-improving agent for making paper, and to provide a yield-improving agent for making paper. SOLUTION: There is provided the water-soluble polymer dispersion produced by dispersing a water-soluble polymer in a salt aqueous solution having a salt concentration of from 10 wt.% to a saturated concentration with a polymer dispersant obtained by copolymerizing polymerization components comprising 30 to 99. 99 mol% of a cationic radical-polymerizable monomer and 0.01-1 mol% of a sulfonic group-containing radical-polymerizable monomer, wherein the content of the water-soluble polymer is 10 to 40 wt.%, and the viscosity of the dispersion is 3,000-30,000 mPa s at 25°C. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供不会沉淀细颗粒的水溶性聚合物分散体，当长时间储存并且储存稳定性优异时，提供纸强化剂，以提供无结晶聚合物分散体，用于制造纸的改进剂，并提供用于制造纸的收率改进剂。解决方案：提供通过将聚合物分散体通过将聚合组分共聚而获得的聚合物分散剂将水溶性聚合物分散在盐浓度为10重量％的盐水溶液中而制得的水溶性聚合物分散体由阳离子自由基聚合性单体为30〜99.09摩尔％，含有磺酸基的自由基聚合性单体为0.01〜1摩尔％，水溶性聚合物的含量为10〜40重量％，在25℃时分散体的粘度为3,000〜30,000mPa·s。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2010024441A Water-soluble polymer dispersion liquid, paper strengthening agent, freeness enhancement agent for papermaking, and yield enhancement agent for papermaking 有权
标题翻译：水溶性聚合物分散液，纸张加强剂，造纸用自动增强剂和造纸用增强剂
公开(公告)号：JP2010024441A
公开(公告)日：2010-02-04
申请号：JP2009136794
申请日：2009-06-08
申请人： Arakawa Chem Ind Co Ltd , 荒川化学工業株式会社
发明人： FUJIOKA DAISUKE , KURAI HIROMI , NABETA YOSHIMORI , SAKAEMURA TAKUSHI
IPC分类号： C08F2/24 , D21H17/41 , D21H21/10 , D21H21/18
摘要： PROBLEM TO BE SOLVED: To provide a water-soluble polymer dispersion liquid, a paper strengthening agent, a freeness enhancement agent for papermaking, and a yield enhancement agent for papermaking, which have uniform particle diameter and excellent preservation stability and do not disturb the formation of obtained paper, and with which high paper strength can be maintained. SOLUTION: The water-soluble polymer dispersion liquid is made by dispersing a water-soluble polymer (A) in a salt water solution with the salt concentration between 10 wt.% and the saturation concentration using a polymer dispersant (B) having a branching structure so that the average particle diameter gets to 0.1-150 μm. The water-soluble polymer dispersion liquid has the content of the water-soluble polymer (A) being 10-40 wt.% and the viscosity of the dispersion liquid at 25 °C being 100-30,000 mPa s. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供具有均匀的粒径和优异的保存稳定性的水溶性聚合物分散液，纸强化剂，造纸用游离改性剂和造纸用增产剂，不干扰所得纸的形成，并且可以保持高的纸张强度。解决方案：水溶性聚合物分散液是通过使用具有10重量％盐浓度的盐水溶液将水溶性聚合物（A）分散在饱和浓度的饱和浓度下，使用具有分支结构，使得平均粒径达到0.1-150μm。水溶性聚合物分散液的水溶性聚合物（A）的含量为10〜40重量％，分散液在25℃下的粘度为100〜300mPa·s。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2015052194A 紙力増強剤、それにより得られる紙及び紙の製造方法有权
标题翻译：纸张耐久性促销者，纸张获取和纸张制造方法
公开(公告)号：JP2015052194A
公开(公告)日：2015-03-19
申请号：JP2014149733
申请日：2014-07-23
申请人：荒川化学工業株式会社 , Arakawa Chem Ind Co Ltd
发明人： TERASHITA YOSHIHIKO , FUJIOKA DAISUKE , MINABE TAKESHI
IPC分类号： D21H17/41 , D21H21/18
摘要：【課題】電気伝導度が3mS/cm未満の場合及び3mS/cm以上のパルプの場合のどちらのスラリーを用いて抄紙する場合においても、パルプへの定着性に優れ、パルプに対する高い凝集力を示しながら、得られる紙の地合いが良好であり、高い紙力増強効果を発揮する紙力増強剤及びその製造方法の提供。【解決手段】両性(メタ)アクリルアミド系水溶性ポリマーを固形分7〜30重量%含有する紙力増強剤であって、該両性(メタ)アクリルアミド系水溶性ポリマーの重量平均分子量が1,600,000〜10,000,000、脱イオン水を硫酸ナトリウムで調製した電気伝導度4mS/cm・25℃に調製した水で希釈した該両性(メタ)アクリルミド系水溶性ポリマーの1%水溶液のpH3〜9における濁度の分布が一つの極大値を有し、その極大値が15〜2,000NTUである紙力増強剤。【選択図】図1
摘要翻译：要解决的问题：提供一种纸张耐久性促进剂，其中即使在纸浆的电导率小于3mS / cm 3mS / cm以上的纸浆的情况下使用浆料制造纸，则对纸浆的定影性优异，显示了对纸浆的高内聚力，同时形成所得到的纸是良好的，并且表现出高的纸张耐久性促进效果，并提供其制造方法。解决方案：提供一种含有两性（甲基）丙烯酰胺 - （甲基）丙烯酰胺系水溶性聚合物的固体成分和重均分子量为7〜30重量％的水溶性聚合物为1,600,000〜10,000,000，1质量％用去离子水制备的水稀释的两性（甲基）丙烯酰胺基水溶性聚合物，其pH为3〜9，由硫酸钠制成的导电率为4mS / cm 25℃具有一个最大值，最大值为15 到2000 NTU。

5. 发明专利

JP2011226042A Water soluble polymer dispersion, paper-strengthening agent, paper making freeness improver and paper making yield improver 有权
标题翻译：水溶性聚合物分散剂，增强剂，纸张制造可靠性改进和造纸成型改良
公开(公告)号：JP2011226042A
公开(公告)日：2011-11-10
申请号：JP2011066655
申请日：2011-03-24
申请人： Arakawa Chem Ind Co Ltd , 荒川化学工業株式会社
发明人： FUJIOKA DAISUKE , TERASHITA YOSHIHIKO , TANABE KEISUKE
IPC分类号： D21H17/37 , C08F2/10 , C08F220/54 , D21H17/41 , D21H21/10 , D21H21/18
摘要： PROBLEM TO BE SOLVED: To provide water-soluble polymer dispersion, a paper-strengthening agent, a paper making freeness improver and a paper making yield improver with which the freeness and the paper-strength can be kept high while the formation of obtained paper is not disturbed.SOLUTION: In dispersion of water-soluble polymer (A) obtained by dispersion polymerization of radical polymer component (a) including at least cationic radical polymerizable monomer (a1), anionic radical polymerizable monomer (a2) and (meth)acrylamide (a4) in a salt solution with salt concentration of more than 10 wt.% in the presence of polymer dispersant (B), in the case in which the total content of the (A) component and the (B) component in the dispersion becomes to 0.2 wt.% through dilution with water, the minimum value of turbidity at the pH-value of 5-8 of the diluted dispersion is more than 10 NTU and the maximum value is below 500 NTU.
摘要翻译：要解决的问题：提供水溶性聚合物分散体，纸强化剂，造纸游离度改进剂和造纸产量改进剂，其中游离度和纸强度可以保持较高，同时形成获得的纸张不受打扰。解决方案：在至少包含阳离子自由基聚合性单体（a1），阴离子自由基聚合性单体（a2）和（甲基）丙烯酰胺（a1）的自由基聚合物成分（a）的分散聚合得到的水溶性高分子（A） a4）在聚合物分散剂（B）的存在下，盐浓度大于10重量％的盐溶液中，在分散体中的（A）成分和（B）成分的总含量成为通过用水稀释至0.2重量％，稀释分散体的pH值为5-8时的浊度的最小值大于10NTU，最大值低于500NTU。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2011168948A Water-soluble polymer dispersion, paper strengthening agent, freeness enhancement agent for papermaking, and yield enhancement agent for papermaking 有权
标题翻译：水溶性聚合物分散剂，增强纸张，用于造纸的自动增强剂和用于造纸的增强剂
公开(公告)号：JP2011168948A
公开(公告)日：2011-09-01
申请号：JP2011008512
申请日：2011-01-19
申请人： Arakawa Chem Ind Co Ltd , 荒川化学工業株式会社
发明人： FUJIOKA DAISUKE , TERASHITA YOSHIHIKO , TANABE KAGESUKE
IPC分类号： D21H17/37 , C08F220/34 , C08F228/02 , D21H21/10 , D21H21/18
摘要： PROBLEM TO BE SOLVED: To provide a water-soluble polymer dispersion with excellent storage stability, a paper-strengthening agent imparting high paper strength without disturbing the texture of the obtained paper, a freeness-improving agent for papermaking, and a yield-improving agent for papermaking. SOLUTION: There is provided the water-soluble polymer dispersion produced by dispersing a water-soluble polymer (A) in a salt aqueous solution having a salt concentration of 10 wt.% or larger and a saturated concentration or less with a polymer dispersant (B) obtained by copolymerizing polymerization components comprising 10 to 99. 979 mol% of a cationic radical-polymerizable monomer (b1) and 0.01-1 mol% of a (meth)allyl group-containing monomer (b2), 0.001-0.1 mol% of a crosslinking monomer (b3), and 0.01-1 mol% of a N-substituted (meth)acrylamide (b4) represented by the formula CH 2 =C(R 1 )-CONR 2 (R 2 ), (wherein R 1 is H or methyl, each of R 2 s is independently a 1-4C linear or branched alkyl), to obtain a dispersion with an average particle size of 0.1-100 μm, with a content of water-soluble polymer (A) of 10 to 40 wt.%, and with a dispersion viscosity of 3,000-20,000 mPa s. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题为了提供具有优异储存稳定性的水溶性聚合物分散体，赋予纸张强度高的纸强化剂，而不会干扰所得纸的质地，造纸用游离改性剂和产率造纸代理。解决方案：提供通过用聚合物将水溶性聚合物（A）分散在盐浓度为10重量％以上且饱和浓度以下的盐水溶液中而制备的水溶性聚合物分散体通过使含有10〜99的979摩尔％的阳离子自由基聚合性单体（b1）和0.01〜1摩尔％（甲基）烯丙基的单体（b2）的聚合成分共聚得到的分散剂（B），0.001-0.1 交联单体（b3）的摩尔％和由式CH 2表示的N-取代的（甲基）丙烯酰胺（b4）为0.01-1摩尔％= C（R 1） / SP>） - CONR 2 （R 2 ），（其中R 1 是H或甲基， / SP>独立地为1-4C直链或支链烷基），得到平均粒径为0.1-100μm的分散体，水溶性聚合物（A）的含量为10〜40重量％并具有3,000-20,000mPa·s的分散粘度。版权所有（C）2011，JPO＆INPIT

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