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1. 发明专利

JP2007126770A Method for making paper 审中-公开
标题翻译：制作纸的方法
公开(公告)号：JP2007126770A
公开(公告)日：2007-05-24
申请号：JP2005319268
申请日：2005-11-02
申请人： Arakawa Chem Ind Co Ltd , Oji Paper Co Ltd , 王子製紙株式会社 , 荒川化学工業株式会社
发明人： SHIMAMOTO KATSUHIRO , SAKAEMURA TAKUSHI , KANEHAMA MAKOTO , HIROSE KUNIHIRO , ABE KENICHI , ASHITACHI HIROAKI , YAMAGISHI YOSHIO
IPC分类号： D21H17/44 , D21H21/18 , D21H23/10
摘要： PROBLEM TO BE SOLVED: To provide a method for making paper by which a formation and freeness can be easily balanced to improve paper strength thereby and to reduce the amount of a paper strength improver used in the production of the paper as the result, and the drainage properties at the papermaking is improved to improve the operability.
SOLUTION: The method for making the paper involves carrying out the papermaking by using (A) a cationic polyacrylamide-based paper strength improver and (B) an anionic polyacrylamide-based paper strength improver having a larger difference in freenesses measured before and after the addition of the paper strength improver based on JIS P 8121 than that of the cationic polyacrylamide-based paper strength improver (A).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造纸的方法，通过该方法可以容易地平衡形成和游离度，从而提高纸张强度，并减少纸张生产中使用的纸强度改进剂的量，结果，并且提高了造纸时的排水性能以提高可操作性。解决方案：制造纸的方法包括使用（A）基于阳离子聚丙烯酰胺的纸强度改进剂和（B）基于以前测定的游离度差异的阴离子聚丙烯酰胺类纸强度改进剂进行造纸在添加基于JIS P 8121的纸张强度改进剂比基于阳离子聚丙烯酰胺的纸强度改进剂（A）的纸强度改进剂之后。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2012214918A Method for producing cardboard 有权
标题翻译：生产卡宝的方法
公开(公告)号：JP2012214918A
公开(公告)日：2012-11-08
申请号：JP2011079997
申请日：2011-03-31
申请人： Arakawa Chem Ind Co Ltd , 荒川化学工業株式会社
发明人： YOKOYA KENJI , SAKAEMURA TAKUSHI , OTSUKA YOHEI , SONOYA SUGURU
IPC分类号： D21H17/44 , D21H11/14 , D21H17/17 , D21H17/41 , D21H17/66 , D21H23/14
摘要： PROBLEM TO BE SOLVED: To provide a method for producing cardboard that has good sizing properties and good rising properties even when pulp including much aluminum is used or when calcium carbonate is not added.SOLUTION: The method for producing cardboard uses a (meta) acrylamide copolymer (A) obtained by polymerization of a polymerizable component (a) containing at least (meta) acrylamide (a1) and a diallylamine-based compound or a salt thereof (a2) and a ketene dimer-based sizing agent (B), and makes a raw material pulp containing aluminum atoms in an amount of 1 wt.% or more, when converted into aluminum sulfate hexadeca-hydrate, with respect to the dry weight of the raw material pulp including recycled pulp into cardboard at pH6-8.
摘要翻译：要解决的问题：提供即使当使用包含大量铝的纸浆或不加入碳酸钙时，也可以提供具有良好上浆性能和良好上升性能的纸板的制造方法。解决方案：制造纸板的方法使用通过聚合含有至少（间）丙烯酰胺（a1）和二烯丙基胺类化合物或其盐的可聚合组分（a）获得的（间）丙烯酰胺共聚物（A）（a2）和乙烯酮二聚体的上浆剂（B），当相对于干重为15重量％时，将含有1重量％以上的铝原子的原料纸浆变成硫酸铝十六水合物的原料纸浆，包括再循环纸浆，pH6-8。版权所有（C）2013，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

JP2005023434A Papermaking additive and paper using the same papermaking additive 有权
标题翻译：使用相同的造纸添加剂制备添加剂和纸张
公开(公告)号：JP2005023434A
公开(公告)日：2005-01-27
申请号：JP2003186638
申请日：2003-06-30
申请人： Arakawa Chem Ind Co Ltd , 荒川化学工業株式会社
发明人： KAJIWARA YOICHI , SHIMAMOTO KATSUHIRO , HIROSE KUNIHIRO , SAKAEMURA TAKUSHI
IPC分类号： C08L33/26 , D21H17/44 , D21H21/10 , D21H21/18
摘要： PROBLEM TO BE SOLVED: To provide a papermaking additive responsive to high-speed papermaking even when pulp with a high waste paper content is used or even in the environment with a large amount of microfibers and a high level of a closed system and affording paper having high paper strengthening effects and good freeness, especially excellent formation.
SOLUTION: The papermaking additive comprising an amphoteric acrylamide polymer (A) having a branched structure and a non-acrylamide polymer (B) prepared by polymerizing monomer components consisting essentially of (e) a cationic vinyl monomer without containing (a) (meth)acrylamide is used.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使当使用具有高废纸含量的纸浆或甚至在具有大量微纤维和高水平封闭系统的环境中时，也可提供对高速造纸响应的造纸添加剂，提供具有高纸强度效果和良好游离度的纸，特别优良的成型。解决方案：包含具有支化结构的两性丙烯酰胺聚合物（A）和非丙烯酰胺聚合物（B）的造纸添加剂，其通过聚合基本上由（e）阳离子乙烯基单体组成的单体组分而不含（a）（甲基）丙烯酰胺。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2005015975A Papermaking additive and paper produced by using the same 有权
标题翻译：造纸添加剂和使用该产品的纸张
公开(公告)号：JP2005015975A
公开(公告)日：2005-01-20
申请号：JP2003186289
申请日：2003-06-30
申请人： Arakawa Chem Ind Co Ltd , 荒川化学工業株式会社
发明人： KAJIWARA YOICHI , SAKAEMURA TAKUSHI
IPC分类号： D21H17/41 , D21H17/54 , D21H17/56 , D21H21/10 , D21H21/18
摘要： PROBLEM TO BE SOLVED: To provide a papermaking additive coping with high-speed papermaking even in the case of using a pulp having high waste paper content or in an environment having high fine fiber content and highly closed condition, having high paper-strength increasing effect and drainage rate and giving a paper especially having good texture. SOLUTION: The papermaking additive contains (A) an ampholytic acrylamide polymer having a branched-chain structure and (B) a compound comprising (f) an alkylene polyamine and/or (g) a compound produced by reacting an alkylenepolyamine, an aliphatic monoamine or ammonia with an epihalohydrin. COPYRIGHT: (C)2005,JPO&NCIPI

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