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1. 发明公开

EP1052232A4 PROCESS FOR PRODUCING DISPERSANT FOR POWDERY HYDRAULIC COMPOSITION 审中-公开
标题翻译： VERFAHREN ZUR HERSTELLUNG EINES DISPERGIERMITTELSFÜRPULVERFÖRMIGEHYDRAULISCHE ZUSAMMENETZUNG
公开(公告)号：EP1052232A4
公开(公告)日：2003-03-19
申请号：EP99973010
申请日：1999-11-29
申请人： TAIHEIYO CEMENT CORP
发明人： ISOMURA HIROTAKA , HAYASHI HIROSHI , TSUKADA KAZUHISA , SOEDA KOICHI , MAKINO KENJIRO , TAKIMOTO MASAKI
IPC分类号： C04B24/16 , C04B24/26 , C04B24/32 , C04B28/06 , C04B40/00
CPC分类号： C04B40/0042 , C04B24/165 , C04B24/2647 , C04B28/06 , C04B2103/0057 , C04B2103/408 , C04B2111/62 , C04B7/00 , C04B14/303 , C04B22/08 , C04B22/143 , C04B24/06 , C04B40/0039 , C04B2103/50
摘要： A process for producing a dispersant for use in powdery hydraulic compositions, which comprises adding a reducing agent to a liquid consisting mainly of a polycarboxylic acid polymer having a polyalkylene glycol chain and subsequently drying and powdering the mixture; a powdery hydraulic composition obtained by the process; and a hydraulic composition obtained therefrom. The dispersant is satisfactory in flowability and dispersing ability and can be added beforehand to a cement, etc.
摘要翻译：本发明涉及一种制备用于制备水硬性组合物的粉末分散剂的方法，该方法包括向主要含有具有聚亚烷基二醇链的聚羧酸酯聚合物化合物的溶液中加入还原剂，干燥所得混合物并粉碎干燥产物; 所得粉末分散剂用于制备水硬性组合物; 和含有分散剂的水硬性组合物。根据本发明，可以提供流动性和分散性优异的水硬性组合物的制备用粉末分散剂。预先将分散剂加入到水泥中。

2. 发明专利

CA2318090A1 PROCESS FOR PRODUCING DISPERSANT FOR POWDERY HYDRAULIC COMPOSITION 未知
公开(公告)号：CA2318090A1
公开(公告)日：2000-06-08
申请号：CA2318090
申请日：1999-11-29
申请人： TAIHEIYO CEMENT CORP
发明人： HAYASHI HIROSHI , ISOMURA HIROTAKA , TSUKADA KAZUHISA , SOEDA KOICHI , MAKINO KENJIRO , TAKIMOTO MASAKI
IPC分类号： C04B24/16 , C04B24/26 , C04B24/32 , C04B28/06 , C04B40/00
摘要： A process for producing a dispersant for use in powdery hydraulic compositions, which comprises adding a reducing agent to a liquid consisting mainly of a polycarboxylic acid polymer having a polyalkylene glycol chain and subsequently drying and powdering the mixture; a powdery hydraulic composition obtained by the process; and a hydraulic composition obtained therefrom. The dispersant is satisfactory in flowability and dispersing ability and can be added beforehand to a cement, etc.

3. 发明专利

JP2000169206A POWDERY CEMENT DISPERSANT AND ITS PRODUCTION AND CEMENT MIXTURE 失效
公开(公告)号：JP2000169206A
公开(公告)日：2000-06-20
申请号：JP33921598
申请日：1998-11-30
申请人： TAIHEIYO CEMENT CORP , TAIHEIYO CEMENT CORP
发明人： ISOMURA HIROTAKA , HAYASHI HIROSHI , TSUKADA KAZUHISA , SOEDA KOICHI , MAKINO KENJIRO
IPC分类号： C04B24/26 , C04B28/04 , C04B103/40 , C04B111/00 , C08L29/06 , C08L33/02
摘要： PROBLEM TO BE SOLVED: To obtain a dispersant suitable for producing highly fluid cement compositions by adjusting a dispersion consisting mainly of an acrylate- or methacrylate-based polymeric compound to a specific pH followed by adding a reducing agent to the dispersion and then evaporating the resultant dispersion to dryness. SOLUTION: This powdery cement dispersant is obtained by the following process: first a mixture is prepared so as to comprise, as the main component, a polymeric compound, i.e., an acrylate- or methacrylate-based one essentially having respective constitutive units of formula I and formula II (R1 to R3 are each H or methyl; R4 is a 1-3C alkyl; M is H, an alkali metal, alkaline earth metal, ammonium or an organic amine; Y is CH2O or COO; n is 20-109), pref. a polymeric compound composed of 40-80 mol% of the unit of formula I and 1-45 mol% of the unit of formula II, and water or a solvent, the mixture is adjusted to pH 7-9 and then incorporated with a reducing agent to deactivate the oxidative power of the radical reaction initiator left in the mixture; subsequently the resultant mixture is evaporated to dryness and then pulverized.

4. 发明专利

JP2011126740A Method for producing vaterite type calcium carbonate 有权
标题翻译：生产碳酸钙型碳酸钙的方法
公开(公告)号：JP2011126740A
公开(公告)日：2011-06-30
申请号：JP2009286537
申请日：2009-12-17
申请人： Taiheiyo Cement Corp , 太平洋セメント株式会社
发明人： YAMASHITA HIROKI , TSUKADA KAZUHISA , ICHINOTSUBO YUKITERU , SUZUKI TSUTOMU
IPC分类号： C01F11/18
摘要： PROBLEM TO BE SOLVED: To provide a method for controlling the particle size of produced vaterite type calcium carbonate to the desired size, in a method for producing vaterite type calcium carbonate.
SOLUTION: In the method for producing vaterite type calcium carbonate, when an aqueous calcium chloride solution, ammonium carbonate and ammonia water are mixed and reacted under stirring to synthesize calcium carbonate, within a range satisfying all of the following conditions 1 to 4, the reaction is conducted while regulating one or more of the conditions, whereby the average particle size of obtained vaterite type calcium carbonate is controlled. Condition 1: a temperature of the reaction liquid is >0 and ≤50°C. Condition 2: the concentration of calcium chloride in the reaction liquid is 0.250-0.625 mol/L. Condition 3: an amount of ammonia water (NH
4 OH) added is ≥0.67 in terms of a molar ratio to Ca in the reaction liquid (NH
4 OH/Ca). Condition 4: a number of revolutions of the reaction liquid by stirring is ≥200 rpm.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：为了提供一种用于制备球霰石型碳酸钙的方法，该方法用于控制生成的球霰石型碳酸钙的粒径至所需尺寸。解决方案：在制备球霰石型碳酸钙的方法中，当将氯化钙水溶液，碳酸铵和氨水混合并搅拌反应合成碳酸钙时，在满足以下所有条件1至4的范围内在调节一个或多个条件的同时进行反应，从而控制得到的球霰石型碳酸钙的平均粒径。条件1：反应液的温度> 0℃≤50℃。条件2：反应液中氯化钙的浓度为0.250-0.625mol / L。条件3：以与反应液体中的Ca的摩尔比（NH 4 SBO / Ca）的相对于氨水的摩尔比计，氨水的量（NH 4 OH）≥0.67，。条件4：通过搅拌反应液的转数为≥200rpm。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2003277114A Composite cement dispersant 审中-公开
标题翻译：复合水泥分散剂
公开(公告)号：JP2003277114A
公开(公告)日：2003-10-02
申请号：JP2002081300
申请日：2002-03-22
申请人： Taiheiyo Cement Corp , Takemoto Oil & Fat Co Ltd , 太平洋セメント株式会社 , 竹本油脂株式会社
发明人： TSUKADA KAZUHISA , ISHIMORI MASAKI , KINOSHITA MITSUO , KAMOTO SOJI
IPC分类号： C04B24/26 , C04B24/00 , C04B103/40 , C08F220/04 , C08F220/26 , C08F228/02 , C08F290/06
摘要： PROBLEM TO BE SOLVED: To obtain a composite cement dispersant which has high dispersion performance for concrete, or the like, and high fluidity of itself, and has satisfactory handling properties on premixing.
SOLUTION: This powdery composite cement dispersant is obtained by carrying the following B-component on the surface of a A-component, and contains the A-component in 95 to 99.99 mass% and the B-component in 0.01 to 5 mass%, and has an angle of repose of ≤43 degrees: the A-component is dry powder consisting of a water soluble vinyl copolymer containing the following A1- component in 40 to 85 mol%, the A2-component in 15 to 60 mol% and the A3-component in 0 to 5 mol% (100 mol% in total), and having a number average molecular weight of 2,000 to 50,000: the A1-component is one or more selected from olefin monocarboxylic acid and a salt thereof; the A2-component is one or more selected from alkoxypolyethylene glycol(meth)acrylate and (meth) allylsulfonate; the A3-component is one or more selected from alkyl(meth) acrylate and hydroxyalkyl(meth)acrylate; and the B-component is inorganic powder having a specific surface area of 40 to 500 m
2 /g.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了获得具有高混凝土分散性能的复合水泥分散剂，其自身流动性高，并且在预混合时具有令人满意的处理性能。解决方案：该粉末状复合水泥分散剂通过在A组分的表面上承载以下B成分而得到，并且含有95〜99.99质量％的A成分和0.01〜5质量％的B成分％，休止角≤43度：A成分为含有40〜85摩尔％的下述A1-成分的水溶性乙烯基共聚物的干粉，A2-成分为15〜60摩尔％和A3成分为0〜5摩尔％（总计100摩尔％），数均分子量为2,000〜50,000：A1成分是选自烯烃一元羧酸及其盐中的一种以上。 A2组分是选自烷氧基聚乙二醇（甲基）丙烯酸酯和（甲基）烯丙基磺酸酯中的一种或多种; A3组分是选自（甲基）丙烯酸烷基酯和（甲基）丙烯酸羟烷基酯中的一种或多种; B成分是比表面积为40〜500m 2 / SP / g的无机粉末。版权所有（C）2004，JPO

6. 发明专利

JP2002265247A PRODUCTION PROCESS OF POWDERY DISPERSANT FOR CEMENT 失效
公开(公告)号：JP2002265247A
公开(公告)日：2002-09-18
申请号：JP2001063460
申请日：2001-03-07
申请人： TAIHEIYO CEMENT CORP
发明人： TSUKADA KAZUHISA , ISHIMORI MASAKI
IPC分类号： C08J3/12 , C04B24/26 , C08L33/02
摘要： PROBLEM TO BE SOLVED: To efficiently produce a high-performance, powdery, polycarboxylic acid-based cement dispersant. SOLUTION: This production process of the powdery dispersant involves subjecting a liquid polycarboxylic acid-based cement dispersant to drying and solidification by using a drum dryer, disk drier or belt drier, and grinding the resulting solidified material.

7. 发明专利

JP2001328854A POWDERY DISPERSING AGENT FOR SPRAYING MATERIAL FOR WET- SPRAYING METHOD, METHOD FOR PRODUCING THE AGENT AND SPRAYING CEMENT MATERIAL FOR WET-SPRAYING METHOD CONTAINING THE AGENT 失效
公开(公告)号：JP2001328854A
公开(公告)日：2001-11-27
申请号：JP2000148610
申请日：2000-05-16
申请人： TAIHEIYO CEMENT CORP
发明人： HAYASHI HIROSHI , TSUKADA KAZUHISA , ISHIMORI MASAKI
IPC分类号： E21D11/10 , C04B22/14 , C04B24/12 , C04B24/26 , C04B28/02 , C04B40/00 , C04B103/40 , C08K3/30 , C08K5/17 , C08L101/08
摘要： PROBLEM TO BE SOLVED: To provide a dispersing agent for wet-spraying cement effective for improving the fluidity and dispersibility of the spraying cement without deteriorating the quick hardening property and strength developing property in hardening, and providing excellent workability. SOLUTION: The objective powdery dispersing agent for the spraying material for wet-spraying method contains a polycarboxylic acid-based polymeric compound having a polyalkylene glycol chain and a reducing compound.

8. 发明专利

JP2000034157A HYDRAULIC CEMENT COMPOSITION 失效
公开(公告)号：JP2000034157A
公开(公告)日：2000-02-02
申请号：JP20478398
申请日：1998-07-21
申请人： TAIHEIYO CEMENT CORP
发明人： HAYASHI HIROSHI , TSUKADA KAZUHISA , ISOMURA HIROTAKA , SOEDA KOICHI
IPC分类号： B09B3/00 , B01F17/36 , C04B24/26 , C04B28/02 , C04B103/40 , C08F290/06 , C09D133/02 , C09D155/00
摘要： PROBLEM TO BE SOLVED: To obtain a hydraulic cement composition exhibiting sufficient flowability by compounding a cement comprising incinerator ashes of municipal refuses and/or sludge with a cement-dispersing agent containing a polycarboxylic acid-based high molecular compound or at least one of a polycarboxylic acid- based high molecular compound, a polyalkylene glycol and a fatty acid. SOLUTION: This hydraulic cement composition comprises 100 pts.wt. of an eco-cement and 0.01-5 pts.wt. of a cement-dispersing agent. The eco-cement comprises 10-40 wt.% of one or more of C11A7CaCl and C3A, the calcination product of C2S, C3S, etc., and gypsum. The cement-dispersing agent is selected from a powdery material obtained by pulverizing a polycarboxylic acid-based high molecular compound having the formulas I and II as constituting units and a powdery material containing one or more of a carboxylic acid compound having a polyalkylene glycol chain, a polyalkylene glycol and a 8-22C fatty acid. In the formula I and II, R1-R3 are each H or methyl; R4 is alkyl; M is an alkali metal or the like; Y is CH2O or the like; (n) is 20-109.

9. 发明专利

JP2010222161A Vaterite-type spherical calcium carbonate and method for producing the same 审中-公开
标题翻译： VATERITE型球形碳酸钙及其制造方法
公开(公告)号：JP2010222161A
公开(公告)日：2010-10-07
申请号：JP2009069450
申请日：2009-03-23
申请人： Taiheiyo Cement Corp , 太平洋セメント株式会社
发明人： TSUKADA KAZUHISA
IPC分类号： C01F11/18
摘要： PROBLEM TO BE SOLVED: To provide a method for producing vaterite-type spherical calcium carbonate which is exactly spherical and has a small particle diameter and a sharp particle-size distribution.
SOLUTION: The method for producing vaterite-type calcium carbonate is characterized by reacting CaCl
2 or Ca(NO
3 )
2 with a carbonate in the aqueous solution in the presence of a reaction buffering agent while irradiating with an ultrasonic wave, and the vaterite-type spherical calcium carbonate is produced by the method.
COPYRIGHT: (C)2011,JPO&INPIT

10. 发明专利

JP2008266120A Cement additive and cement composition 有权
标题翻译：水泥添加剂和水泥组合物
公开(公告)号：JP2008266120A
公开(公告)日：2008-11-06
申请号：JP2007272398
申请日：2007-10-19
申请人： Taiheiyo Cement Corp , 太平洋セメント株式会社
发明人： TSUKADA KAZUHISA , YAMADA KAZUO , HYODO HIKOJI , HIRAO CHU
IPC分类号： C04B14/28 , C04B18/14 , C04B20/00 , C04B28/02
CPC分类号： C04B40/0039 , C04B2103/12 , C04B2103/34 , C04B14/28 , C04B20/0096 , C04B28/02
摘要： PROBLEM TO BE SOLVED: To provide a cement additive which is capable of improving the flowability and shortening the setting time of a cement composition even in the case of a small water-to-powder ratio.
SOLUTION: The cement additive comprises two kinds of inorganic powders A and B with different BET specific surface areas, provided that the BET specific surface areas of the inorganic powders A and B are within the range of 4-30 m
2 /g and the difference between the BET specific surface areas of the inorganic powders A and B is at least 2 m
2 /g. The BET specific surface area of the inorganic powder A is preferably 4-15 m
2 /g. Examples of the inorganic powders A and B are calcium carbonate fine powder, silica fume or a combination thereof.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使在水与粉末之间的比率较小的情况下，也可提供能够改善水泥组合物的流动性和缩短凝固时间的水泥添加剂。解决方案：水泥添加剂包括具有不同BET比表面积的两种无机粉末A和B，条件是无机粉末A和B的BET比表面积在4-30μm范围内 2 / g，无机粉末A和B的BET比表面积之差为2m 2 / SP / g以上。无机粉末A的BET比表面积优选为4-15m 2 / SP / g。无机粉末A和B的实例是碳酸钙细粉，硅粉或其组合。版权所有（C）2009，JPO＆INPIT

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