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公开(公告)号：JP2009173527A
公开(公告)日：2009-08-06
申请号：JP2008297673
申请日：2008-11-21
Inventor： SAGAWA KEIICHIRO , HAMADA DAISUKE
CPC classification number: C04B28/02 , C04B2103/0005 , C04B2103/0006 , C04B2103/001 , C04B2103/0089 , C04B24/2647 , C04B24/2694
Abstract: PROBLEM TO BE SOLVED: To provide a hydraulic composition in which cement restrained from generating heat when hydrated early is used and whose initial fluidity, fluidity retention and working efficiency are improved. SOLUTION: The hydraulic composition includes a copolymer which is obtained by polymerizing monomers comprising a specific monomer 1 shown by general formula (1) and a specific monomer 2 shown by general formula (2) with a specific monomer 3 shown by general formula (3), and the early hydration-restrained cement. The contents of the monomer 1, the monomer 2 and the monomer 3 in the copolymer and the weight ratio of (the monomer 2)/(the monomer 3) are kept in specified ranges, respectively. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：提供一种水硬性组合物，其中使用水合时限制水泥发热并且其初始流动性，流动性保持性和工作效率得到改善。 水溶液组合物包括共聚物，该共聚物通过将通式（1）所示的特定单体1和通式（2）所示的特定单体2与通式 （3）和早期水合抑制水泥。 共聚物中单体1，单体2和单体3的含量以及（单体2）/（单体3）的重量比分别保持在规定范围内。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2009096672A
公开(公告)日：2009-05-07
申请号：JP2007270060
申请日：2007-10-17
Inventor： HAMADA DAISUKE , SAGAWA KEIICHIRO
IPC: C04B24/26 , C04B28/02 , C04B103/32 , C08F220/18 , C08F220/28
CPC classification number: C04B24/2641 , C04B2103/408
Abstract: PROBLEM TO BE SOLVED: To provide a dispersant for a hydraulic composition which exhibits stable initial flowability and flow retentivity not depending on the kind of a hydraulic powder.
SOLUTION: The dispersant for a hydraulic composition includes a copolymer obtained by polymerizing a specific monomer 1 expressed by general formula (1), a specific monomer 2 expressed by general formula (2), and a specific monomer 3 expressed by general formula (3), wherein in the component monomers of the copolymer, the ratios of the monomer 1, the monomer 2, and the monomer 3 respectively are in specific ranges. In formula (1), R
1 -R
3 respectively represent a hydrogen atom or a methyl group, AO represents a 2-4C oxyalkylene group, n is the number of average addition moles of AO, and represents the number of 5-20, R
4 is a hydrogen atom or a 1-4C alkyl group, q is an integer of 0-2, and p represents 0 or 1. In formula (2), R
5 is a 1-4C hydrocarbon group which may contain a hetero atom. In formula (3), R
6 -R
8 respectively are a hydrogen atom, a methyl group or (CH
2 )
S COOM
2 , (CH
2 )
S COOM
2 may form an anhydride with COOM
1 or other (CH
2 )
S COOM
2 , in that case, M
1 and M
2 of those groups do not exist. s represents an integer of 0-2. M
1 and M
2 respectively represent a hydrogen atom, an alkali metal, an alkaline earth metal, an ammonium group, an alkyl ammonium group, a substituted alkyl ammonium group, an alkyl group, a hydroxyalkyl group, or an alkenyl group.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供一种水硬性组合物的分散剂，其表现出稳定的初始流动性和流动保持性，而不依赖于液压粉末的种类。 解决方案：水硬性组合物的分散剂包括通过聚合由通式（1）表示的特定单体1，由通式（2）表示的特定单体2和由通式（2）表示的特定单体3） （3）中，在共聚物成分中，单体1，单体2和单体3的比例分别为特定范围。 式（1）中，R SP 1分别表示氢原子或甲基，AO表示2-4C的氧化烯基，n表示平均的数 AO的加成摩尔数，表示5-20的数，R 4是氢原子或1-4C烷基，q是0-2的整数，p表示0或1 在式（2）中，R 5是可以含有杂原子的1-4C烃基。 在式（3）中，R 6分别为氢原子，甲基或（CH 2 S 2 S）S S COOM
2 ，（CH 2 ） COOM 2 可以形成具有COOM 1 或其他（CH 2 ） COOM 2 ，在这种情况下，M 1 和这些组的M 2 不存在。 s表示0-2的整数。 分别表示氢原子，碱金属，碱土金属，铵基，烷基铵基，取代的烷基铵基，取代的烷基铵基， 烷基，羟基烷基或烯基。 版权所有（C）2009，JPO＆INPIT -
公开(公告)号：JP2017088432A
公开(公告)日：2017-05-25
申请号：JP2015217856
申请日：2015-11-05
Inventor： KAWAKAMI HIROYUKI , SAGAWA KEIICHIRO
Abstract: 【課題】調製後、17時間程度で硬化体の強度が向上する水硬性組成物の硬化体が得られる、水硬性組成物用早強剤を提供する。【解決手段】次亜リン酸、次亜リン酸のアルカリ金属塩、次亜リン酸のアルカリ土類金属塩、次亜リン酸のアンモニウム塩及び次亜リン酸の有機アンモニウム塩から選ばれる1種以上の次亜リン酸化合物からなる、水硬性組成物用早強剤。コンクリート中で還元剤として作用し、コンクリートの初期材齢の強度を向上させる。【選択図】なし
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公开(公告)号：JP2014009120A
公开(公告)日：2014-01-20
申请号：JP2012146697
申请日：2012-06-29
Inventor： HAMAI TOSHIMASA , SHIMODA MASARO , SAGAWA KEIICHIRO , NAGASAWA KOJI , KAWAKAMI HIROYUKI
CPC classification number: C04B28/02 , C04B40/0039 , C04B24/02 , C04B24/122 , C04B2103/408 , C04B24/2647 , C04B24/32
Abstract: PROBLEM TO BE SOLVED: To provide a hydraulic composition which exhibits a high strength in about 24 hours after preparation of the hydraulic composition without performing heat-curing.SOLUTION: A hydraulic composition includes: a dispersant; one or more kinds of polyhydric alcohols (hereafter called as A component) selected from the group consisting of glycerin and an alkylene oxide adduct of glycerin obtained by adding the average of more than 0 mole and 3 moles or less of alkylene oxide; one or more kinds of amine compounds (hereafter called as B component) selected from the group consisting of tri isopropanol amine and an alkyl diethanolamine having 1-3C alkyl group; cement; and water. CAF in the cement has content of 6.0 wt.% or more and 15 wt.% or less, gypsum dehydrate in the cement has content of 0.5 wt.% or more and 10 wt.% or less, and nitrates and nitrites have content of 90 pts. by wt. or less based on 100 pts. by wt. of the sum total of the A component and B component.
Abstract translation: 要解决的问题：提供在制备水硬性组合物之后约24小时内没有进行热固化的水硬性组合物。水硬性组合物包括：分散剂; 选自甘油和甘油的烯化氧加合物中的一种或多种多元醇（以下称为A成分），所述甘油和平均加入多于0摩尔和3摩尔或更少的环氧烷烃得到; 一种或多种选自三异丙醇胺和具有1-3C烷基的烷基二乙醇胺的胺化合物（以下称为B成分） 水泥; 和水。 水泥中的CAF含量为6.0重量％以上且15重量％以下，水泥中的石膏脱水剂含量为0.5重量％以上且10重量％以下，硝酸盐和亚硝酸盐的含量为 90点 以重量计 或更少，基于100点。 以重量计 的A分量和B分量的总和。
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公开(公告)号：JP2013079184A
公开(公告)日：2013-05-02
申请号：JP2012196106
申请日：2012-09-06
Inventor： SHIMODA MASARO , SAGAWA KEIICHIRO , NAGASAWA KOJI , HAMAI TOSHIMASA , KAWAKAMI HIROYUKI
IPC: C04B7/52 , C04B24/02 , C04B24/12 , C04B28/02 , C04B103/52
CPC classification number: B02C23/06 , C04B7/52 , C04B40/0039 , C04B2103/52 , C04B24/02 , C04B24/125 , C04B24/126 , C04B24/122
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing hydraulic powder which achieves both exhibiting good crushing efficiency of a hydraulic compound and obtaining a hydraulic powder, such as cement, improved in a compression strength in curing of the obtained hydraulic composition.SOLUTION: The present invention is a method for producing a hydraulic powder, which comprises a step wherein a hydraulic compound is pulverized in the presence of a pulverization assistant and an acid salt of a specific compound such as urea. This method for producing a hydraulic powder is characterized in that the abundance of the acid salt of a compound is 0.0001-0.05 pt.wt. relative to 100 pts.wt. of the hydraulic compound and the weight ratio of the acid salt of a compound to the pulverization assistant (acid salt of compound/pulverization assistant) is from 40/60 to 1/99.
Abstract translation: 要解决的问题提供一种水硬性粉末的制造方法，其既可以获得水硬性化合物的良好的破碎效果，也可获得水泥等水硬性粉末，从而提高所得水硬性组合物的固化时的抗压强度。 解决方案：本发明是一种水硬性粉末的制造方法，其包括在粉碎助剂和特定化合物如尿素的酸性盐的存在下将水硬性化合物粉碎的步骤。 该水硬性粉末的制造方法的特征在于，化合物的酸盐的丰度为0.0001-0.05重量份。 相对于100 pts.wt 的化合物的酸盐与粉碎助剂（化合物/粉碎助剂的酸性盐）的重量比为40/60〜1/99。 版权所有（C）2013，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2013010690A
公开(公告)日：2013-01-17
申请号：JP2012215899
申请日：2012-09-28
Inventor： HAMADA DAISUKE , YABE KENICHIRO , SAGAWA KEIICHIRO , SHIMODA MASARO , YADOKORO YOSHIAKI , KONO YOSHINAO , HAMAI TOSHIMASA
IPC: C04B24/26 , C04B28/02 , C04B103/40 , C08F220/28 , C08F290/06
CPC classification number: C08F290/06 , C04B24/2647 , C04B28/02 , C04B2103/308 , C04B2103/408 , C08F220/06 , C08F220/14 , C08F220/28 , C08F290/00 , C08F290/061 , C08F290/062 , C08F2220/285
Abstract: PROBLEM TO BE SOLVED: To provide a dispersion maintaining agent for hydraulic composition that excels in both fluidity retention and viscosity retention, and to provide a dispersion maintaining agent that exhibits excellent fluidity retention and viscosity retention without depending on the type of hydraulic powder.SOLUTION: The dispersion maintaining agent for hydraulic composition comprises a copolymer obtained by polymerizing a specific monomer 1 represented by general formula (1) and a specific monomer 2 represented by general formula (2) in which a corresponding alcohol compound satisfies a specific property. In the constituent monomers of the copolymer, the ratio of the monomers 1 is within a specific range, and a specific monomer is used as at least some of the monomers 2, and the ratio of a monomer having an acid group or a group resulting from neutralization thereof is 5 wt.% or below.
Abstract translation: 要解决的问题：提供在流动性保持和粘度保持方面都优异的用于水硬性组合物的分散维持剂，并且提供在不依赖于液压粉末的类型的情况下表现出优异的流动性保持性和粘度保持性的分散维持剂 。 解决方案：用于水硬性组合物的分散维持剂包括通过聚合由通式（1）表示的特定单体1和由通式（2）表示的特定单体2获得的共聚物，其中相应的醇化合物满足特定的 属性。 在共聚物的构成单体中，单体1的比例在特定范围内，并且特定单体用作至少一些单体2，并且具有酸基团的单体或由 其中和为5重量％以下。 版权所有（C）2013，JPO＆INPIT
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公开(公告)号：JP2012126620A
公开(公告)日：2012-07-05
申请号：JP2010281155
申请日：2010-12-17
Inventor： NAGASAWA KOJI , SHIMODA MASARO , SAGAWA KEIICHIRO
IPC: C04B7/52 , C04B24/02 , C04B24/04 , C04B103/52
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a hydraulic powder, which achieves the following both things that: the pulverization efficiency of a hydraulic compound is excellent; and a hydraulic powder, such as cement improving compression strength when curing an obtained hydraulic composition, is obtained.SOLUTION: In the method for producing a hydraulic powder, the hydraulic powder is produced through a step of pulverizing a hydraulic compound in the presence of glycerol monoacetate ester and a 3-8C polyol (excluding glycerol monoacetate ester).
Abstract translation: 要解决的问题：提供一种水硬性粉末的制造方法，其实现以下两个方面：水硬性化合物的粉碎效率优异; 并且获得水硬性粉末，例如在固化获得的水硬性组合物时提高压缩强度的水泥。 在制造水硬性粉末的方法中，通过在甘油单乙酸酯和3-8C多元醇（不包括甘油单乙酸酯）的存在下粉碎水硬性化合物的步骤来制备水硬性粉末。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2012057030A
公开(公告)日：2012-03-22
申请号：JP2010200811
申请日：2010-09-08
Inventor： KOYANAGI KOJI , SAGAWA KEIICHIRO , OKAUCHI NOBUAKI
IPC: C08G65/332 , C08F290/06
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a polyalkylene glycol monomer, in which formation of by-products such as a bifunctional monomer is very slight.SOLUTION: Glycidyl (meth)acrylate and a specific monoalkoxypolyalkylene glycol are brought into an etherification reaction in a feed molar ratio of glycidyl (meth)acrylate/monoalkoxypolyalkylene glycol=0.8/1 to 1.2/1 to produce the objective polyalkylene glycol monomer.
Abstract translation: 待解决的问题：提供一种制备聚亚烷基二醇单体的方法，其中双官能单体等副产物的形成非常轻微。 解决方案：以（甲基）丙烯酸缩水甘油酯/单烷氧基聚亚烷基二醇= 0.8 / 1〜1.2 / 1的进料摩尔比将（甲基）丙烯酸缩水甘油酯和特定的单烷氧基聚亚烷基二醇进行醚化反应，生成目标聚亚烷基二醇单体 。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2011132364A
公开(公告)日：2011-07-07
申请号：JP2009292860
申请日：2009-12-24
Inventor： KOYANAGI KOJI , SAGAWA KEIICHIRO , OKAUCHI NOBUAKI , YAMAMURO HODAKA
IPC: C08G65/332 , C04B24/26 , C08F20/26
Abstract: PROBLEM TO BE SOLVED: To provide a new polyalkylene glycol-based polymer with which dispersibility of hydraulic powders is excellent, viscosity-reducing effect of the resultant hydraulic composition is high, and fluidity retention is not poor, so that applications, such as a new dispersant, are expected. SOLUTION: The polyalkylene glycol-based polymer includes a structural unit represented by general formula (I), wherein R 1 is a hydrogen atom or a methyl group, and one of B 1 and B 2 is a hydrogen atom and the other is a polyalkylene glycol residue. COPYRIGHT: (C)2011,JPO&INPIT
Abstract translation: 要解决的问题：为了提供一种新的聚亚烷基二醇类聚合物，水硬性粉末的分散性优异，所得水硬性组合物的粘度降低效果高，流动性保持性不差，因此应用如 作为新的分散剂。 解决方案：聚亚烷基二醇类聚合物包括由通式（I）表示的结构单元，其中R 1 SP 1是氢原子或甲基，B
1 和B 2 是氢原子，另一个是聚亚烷基二醇残基。 版权所有（C）2011，JPO＆INPIT -
公开(公告)号：JP2010163325A
公开(公告)日：2010-07-29
申请号：JP2009007348
申请日：2009-01-16
Inventor： KOYANAGI KOJI , SAGAWA KEIICHIRO , OKAUCHI NOBUAKI
CPC classification number: C04B24/2647 , C04B24/32 , C04B2103/408
Abstract: PROBLEM TO BE SOLVED: To provide a dispersant composition for a hydraulic composition excellent in dispersibility of a hydraulic powder such as cement, giving a hardened body of a hydraulic composition with high initial strength. SOLUTION: This dispersant composition for a hydraulic composition contains a copolymer of an unsaturated carboxylic acid-based compound and an ester between a (meth)acrylic acid-based polymer and an alkoxypolyalkyleneglycol in which the average addition mole number (n A ) of alkyleneoxide is 2-300; and an alkoxypolyalkyleneglycol in which the average addition number (n B ) of alkyleneoxide is 2-300, at a specific weight ratio, where the ratio (n A )/(n B ) of the average addition mole number is 0.9-1.1. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 解决的课题：提供水硬性粉末如水泥分散性优异的水硬性组合物分散剂组合物，得到具有高初始强度的水硬性组合物的硬化体。 解决方案：水硬性组合物用分散剂组合物含有（甲基）丙烯酸类聚合物和烷氧基聚亚烷基二醇之间的不饱和羧酸类化合物与酯的共聚物，其中平均加成摩尔数（n
A ）为2-300; 和烷氧基聚亚烷基二醇，其中环氧烷烃的平均加成数（n B ）为2-300，比例（n A ）/（n 平均加成摩尔数的 B 为0.9-1.1。 版权所有（C）2010，JPO＆INPIT
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