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1. 发明授权

US06545083B1 Cement additive 失效
标题翻译：水泥添加剂
公开(公告)号：US06545083B1
公开(公告)日：2003-04-08
申请号：US09522300
申请日：2000-03-09
申请人： Tsuyoshi Hirata , Tsutomu Yuasa , Koichiro Nagare , Hirokatsu Kawakami
发明人： Tsuyoshi Hirata , Tsutomu Yuasa , Koichiro Nagare , Hirokatsu Kawakami
IPC分类号： C08L3302
CPC分类号： C04B24/2647 , C04B28/02 , C08F220/28 , C08F290/062 , C08F2220/286 , C08F2220/287 , C08F2220/288 , C04B2103/304 , C08F220/06 , C08F212/08 , C08F216/18 , C08F220/14
摘要： The present invention is thus directed to a cement additive which comprises a copolymer (A) obtained by polymerizing a monomer mixture (K), wherein; said monomer mixture (K) comprises a polyalkylene glycol ester monomer (I) represented by the general formula (1): a polyalkylene glycol ester monomer (II) represented by the general formula (2): and a carboxylic acid monomer (III) represented by the general formula (3):
摘要翻译：因此，本发明涉及一种水泥添加剂，其包含通过聚合单体混合物（K）获得的共聚物（A），其中所述单体混合物（K）包含由通式（I）表示的聚亚烷基二醇酯单体（I） 1）：由通式（2）表示的聚亚烷基二醇酯单体（II）和由通式（3）表示的羧酸单体（III）：

2. 发明授权

US06174980B1 Cement dispersant, method for producing polycarboxylic acid for cement dispersant and cement composition 失效
标题翻译：水泥分散剂，用于水泥分散剂和水泥组合物的多元羧酸的制备方法
公开(公告)号：US06174980B1
公开(公告)日：2001-01-16
申请号：US08991285
申请日：1997-12-16
申请人： Tsuyoshi Hirata , Tsutomu Yuasa , Katsuhisa Shiote , Koichiro Nagare , Syogo Iwai
发明人： Tsuyoshi Hirata , Tsutomu Yuasa , Katsuhisa Shiote , Koichiro Nagare , Syogo Iwai
IPC分类号： C08F22210
CPC分类号： C04B24/267 , C04B24/2647 , C04B2103/302 , C04B2103/408 , C08F290/062 , C08G65/2609 , C08G65/3322 , C08L71/02 , Y10S526/932 , C08L2666/04
摘要： The present invention provides a method for producing a cement dispersant having high percentage in water reduction-rate and appropriate air-entraining property. This method for producing a polycarboxylic acid for a cement dispersant is characterized in that alkylene oxide is added at a specific temperature range.
摘要翻译：本发明提供一种水分散剂的制造方法，该水泥分散剂具有高的降水率和合适的加气性能。该水泥分散剂用多元羧酸的制造方法的特征在于，在特定的温度范围加入环氧烷烃。

3. 发明授权

US5925184A Cement composition 失效
标题翻译：水泥组成
公开(公告)号：US5925184A
公开(公告)日：1999-07-20
申请号：US803759
申请日：1997-02-21
申请人： Tsuyoshi Hirata , Tsutomu Yuasa , Toru Uno , Koichiro Nagare , Hideyuki Tahara , Shogo Iwai
发明人： Tsuyoshi Hirata , Tsutomu Yuasa , Toru Uno , Koichiro Nagare , Hideyuki Tahara , Shogo Iwai
IPC分类号： C04B24/26 , C04B24/32 , C04B28/02 , C04B24/04
CPC分类号： C04B28/02 , C04B24/2647 , C04B24/2694 , C04B2103/308
摘要： A cement composition excelling in the slump retaining property which comprises at least cement admixture comprising as a main ingredient thereof (I) a copolymer (A) of short-chain polyalkylene glycol (meth)acrylate (a), a long-chain polyalkylene glycol (meth)acrylate (b), a carboxylic acid monomer (c), and a monomer copolymerizable with the monomers mentioned above or a salt of the copolymer (B), (II) a copolymer (A.sub.1) of the monomers (a), (c), and (d) mentioned above or a salt thereof, (III) a mixture of a copolymer (A.sub.1) of the monomers (a), (c), and (d) mentioned above or a salt (B.sub.1) of thereof with a known cement admixture, or (IV) a polycarboxylic acid based polymer (A.sub.3) manifesting to a calcium sulfoaluminate based expansive additive an adsorption ratio of not less than 90% in 5 minutes at room temperature when added in an amount of 0.1% by weight as solids or a salt (B.sub.3) thereof, or (V) a mixture of said polycarboxylic acid polymer with a known cement dispersant; cement; and water.
摘要翻译：坍落度保持性优异的水泥组合物至少包括水泥混合物，其包含主要成分（I）短链聚亚烷基二醇（甲基）丙烯酸酯（a）的共聚物（A），长链聚亚烷基二醇（甲基丙烯酸酯（b），羧酸单体（c）和可与上述单体共聚的单体或共聚物（B），（II）的单体（a）的共聚物（A1） c）和（d）或其盐，（III）上述单体（a），（c）和（d）的共聚物（A1）或其盐（B1）的混合物使用已知的水泥混合物，或（IV）表示基于硫铝酸钙的膨胀性添加剂的多元羧酸系聚合物（A3），当以0.1％的量加入时，在室温下5分钟内吸附率不小于90％重量为固体或其盐（B3），或（V）所述多元羧酸聚合物与已知的水泥分散剂的混合物; 水泥; 和水。

4. 发明授权

US06388038B1 Method for producing polycarboxylic acid for cement dispersant and cement composition 有权
标题翻译：用于水泥分散剂和水泥组合物的多元羧酸的制备方法
公开(公告)号：US06388038B1
公开(公告)日：2002-05-14
申请号：US09724009
申请日：2000-11-28
申请人： Tsuyoshi Hirata , Tsutomu Yuasa , Katsuhisa Shiote , Koichiro Nagare , Syogo Iwai
发明人： Tsuyoshi Hirata , Tsutomu Yuasa , Katsuhisa Shiote , Koichiro Nagare , Syogo Iwai
IPC分类号： C08F22210
CPC分类号： C04B24/267 , C04B24/2647 , C04B2103/302 , C04B2103/408 , C08F290/062 , C08G65/2609 , C08G65/3322 , C08L71/02 , Y10S526/932 , C08L2666/04
摘要： The present invention provides a method for producing a cement dispersant having high percentage in water reduction rate and appropriate air-entraining property. This method for producing a polycarboxylic acid for a cement dispersant is characterized in that alkylene oxide is added at a specific temperature range.
摘要翻译：本发明提供一种水分散剂的制造方法，该水泥分散剂具有高的降水率和合适的加气性能。该水泥分散剂用多元羧酸的制造方法的特征在于，在特定的温度范围加入环氧烷烃。

5. 发明授权

US6166112A Cement admixture and cement composition 失效
标题翻译：水泥外加剂和水泥组成
公开(公告)号：US6166112A
公开(公告)日：2000-12-26
申请号：US82835
申请日：1998-05-21
申请人： Tsuyoshi Hirata , Tsutomu Yuasa , Koichiro Nagare
发明人： Tsuyoshi Hirata , Tsutomu Yuasa , Koichiro Nagare
IPC分类号： C04B24/26 , C04B24/32 , C08F220/06 , C08F222/10 , C08F283/01 , C08F290/06 , C08F290/14 , C08G65/332 , C08L71/02 , C08K3/00
CPC分类号： C08G65/3322 , C04B24/2641 , C04B24/2647 , C04B24/32 , C08F220/06 , C08F222/1006 , C08F283/01 , C08F290/06 , C08F290/061 , C08F290/14 , C08F290/142 , C08L71/02 , C08L2205/05 , C08L2666/04
摘要： The invention provides: a cement admixture which has excellent cement dispersibility and can afford high slump retainability; and a cement composition which has excellent cement dispersibility and high slump retainability. The cement admixture comprises a polycarboxylic acid as an effective component, wherein the polycarboxylic acid is obtained by a process including the steps of: charging "a" parts by weight of a polyalkylene glycol (A) and "b" parts by weight of a (meth)acrylic acid monomer (B) into a reactor in the range of {(a/n.sup.1/2)/b}.times.100.ltoreq.200, wherein n is an average molar number of the added oxyalkylene groups in the polyalkylene glycol (A) and is a number of 1 to 300; carrying out an esterification reaction of the resultant mixture in the reactor, thus obtaining a polyalkylene glycol (meth)acrylate (C); and copolymerizing the resultant polyalkylene glycol (meth)acrylate (C) and the (meth)acrylic acid monomer (B), thus obtaining the polycarboxylic acid.
摘要翻译：本发明提供：具有优异的水泥分散性并能提供高坍落度保持性的水泥混合物; 和具有优异的水泥分散性和高坍落度保持性的水泥组合物。所述水泥混合物包含多元羧酸作为有效成分，其中所述多元羧酸通过包括以下步骤的方法获得：将“a”重量份的聚亚烷基二醇（A）和“b”份重量的（甲基）丙烯酸单体（B）加入到{（a / n + E，fra 1/2 + EE）/ b}×100≤200的范围内的反应器中，其中n是加入的氧化烯的平均摩尔数聚亚烷基二醇（A）中的基团数为1〜300; 在反应器中进行所得混合物的酯化反应，得到聚亚烷基二醇（甲基）丙烯酸酯（C）; 并使得到的聚亚烷基二醇（甲基）丙烯酸酯（C）和（甲基）丙烯酸单体（B）共聚，得到多元羧酸。

6. 发明授权

US6048916A Method for dispersion of cement 失效
标题翻译：水泥分散方法
公开(公告)号：US6048916A
公开(公告)日：2000-04-11
申请号：US831199
申请日：1997-04-02
申请人： Tsuyoshi Hirata , Tsutomu Yuasa , Katsuhisa Shiote , Shogo Iwai , Koichiro Nagare , Hideyuki Tahara
发明人： Tsuyoshi Hirata , Tsutomu Yuasa , Katsuhisa Shiote , Shogo Iwai , Koichiro Nagare , Hideyuki Tahara
IPC分类号： C04B24/26 , C04B24/32 , C07C67/08 , C08K3/00
CPC分类号： C04B24/2647 , C07C67/08 , C04B2103/408
摘要： A method for the dispersion of cement, which comprises incorporating in a cement composition consisting at least of cement and water a cement dispersing agent formed of a polymer obtained by polymerizing a monomer component containing an alkoxy polyalkylene glycol mono(meth)acrylic ester monomer produced by the interesterification of an alkoxy polyalkylene glycol and a (meth)acrylic ester. A cement composition comprising the cement dispersing agent, cement and water.
摘要翻译：一种用于水泥分散的方法，其包括将至少由水泥和水组成的水泥组合物掺入由通过聚合含有由烷氧基聚亚烷基二醇单（甲基）丙烯酸酯单体组成的单体组分而获得的聚合物形成的水泥分散剂，所述单体组分含有由烷氧基聚亚烷基二醇和（甲基）丙烯酸酯的酯交换。一种水泥组合物，包括水泥分散剂，水泥和水。

7. 发明授权

US5912284A Cement additive, its production process and use 失效
标题翻译：水泥添加剂，其生产工艺和用途
公开(公告)号：US5912284A
公开(公告)日：1999-06-15
申请号：US992328
申请日：1997-12-17
申请人： Tsuyoshi Hirata , Tsutomu Yuasa , Katsuhisa Shiote , Syogo Iwai , Koichiro Nagare
发明人： Tsuyoshi Hirata , Tsutomu Yuasa , Katsuhisa Shiote , Syogo Iwai , Koichiro Nagare
IPC分类号： C04B24/26 , C04B24/32 , C04B40/00 , C08F216/14 , C08F290/06 , C08L71/02 , C08K3/00
CPC分类号： C04B24/267 , C04B40/0039 , C08F216/1416 , C08F290/062 , C08L71/02 , C04B2103/308
摘要： The present invention provides a cement additive its production process and cement composition achieving excellent slump loss prevention capability. As a cement additive, there can be a copolymer (A-1) comprising an unsaturated polyalkylene glycol ether-based monomer (I), maleic acid-based monomer (II) and other monomer (III) copolymerizable with these monomers, the monomer (I)/monomer (II)/monomer (III) weight ratio being 50-99/50-1/0-49 and the weight average molecular weight of the copolymer (A) being 10,000 to 100,000 in terms of polyethylene glycol measured by gel permeation chromatography, or a copolymer (A) with an antifoaming agent (B), wherein the copolymer (A) comprises polyalkylene glycol ether-based units and dicarboxylic acid-based units as repeating units.
摘要翻译：本发明提供一种水泥添加剂，其生产工艺和水泥组合物具有优异的坍落度损失防止能力。作为水泥添加剂，可以使用与这些单体共聚的不饱和聚亚烷基二醇醚系单体（I），马来酸系单体（II）和其它单体（III）的共聚物（A-1），单体（ I）/单体（II）/单体（III）的重量比为50-99 / 50-1 / 0-49，共聚物（A）的重均分子量以聚乙二醇换算为10,000至100,000 渗透色谱法或与消泡剂（B）的共聚物（A），其中共聚物（A）包含聚亚烷基二醇醚基单元和二羧酸基单元作为重复单元。

8. 发明授权

US06919388B2 Cement admixture and cement composition 失效
标题翻译：水泥外加剂和水泥组成
公开(公告)号：US06919388B2
公开(公告)日：2005-07-19
申请号：US10110271
申请日：2001-06-27
申请人： Tomotaka Nishikawa , Hirokatsu Kawakami , Daisuke Imai , Hiromichi Tanaka , Tsuyoshi Hirata , Tsutomu Yuasa
发明人： Tomotaka Nishikawa , Hirokatsu Kawakami , Daisuke Imai , Hiromichi Tanaka , Tsuyoshi Hirata , Tsutomu Yuasa
IPC分类号： C04B24/32 , C04B24/12 , C04B24/26 , C04B24/28 , C04B28/00 , C04B103/32 , C04B103/48 , C04B103/50 , C04B111/00 , C08F220/20 , C08F290/06 , C08K5/06
CPC分类号： C04B24/2647 , C04B24/267 , C04B24/32 , C04B40/0028 , C04B40/0039 , C04B2103/408 , C04B2103/50 , C04B28/02
摘要： The admixtures for a cementitious composition of the invention, which have the above-mentioned constitutions, can suitably be used in cement pastes, mortar, concrete and like cement compositions and can stabilize the amount of air entrained with the lapse of time and thus facilitate the quality control of cement compositions and, further, can improve the workability of cement compositions owing to their excellent dispersing capacities. The cement compositions of the invention which comprise such admixture for a cementitious composition are excellent in water-reducing ability and workability and can give hardened products excellent in strength and durability and, further, can stably maintain the amount of air entrained without allowing increases in the amount of air even when the time of kneading is prolonged in the production.
摘要翻译：具有上述结构的本发明的水泥组合物的混合物可以适用于水泥浆，砂浆，混凝土和类似的水泥组合物，并且可以稳定随时间流入的空气量，从而有利于水泥组合物的质量控制，并且由于其优异的分散能力，可以改善水泥组合物的可加工性。包含这种水泥组合物的这种混合物的本发明的水泥组合物具有优异的降水能力和可加工性，并且可以得到强度和耐久性优异的硬化产品，并且还可以稳定地保持夹带的空气量，而不会增加即使在生产中延长捏合时间的情况下也可以使用空气量。

9. 发明授权

US06258162B1 Cement composition 有权
标题翻译：水泥组成
公开(公告)号：US06258162B1
公开(公告)日：2001-07-10
申请号：US09405566
申请日：1999-09-25
申请人： Hirokatsu Kawakami , Hirokazu Niwa , Hiromichi Tanaka , Tsutomu Yuasa , Tsuyoshi Hirata
发明人： Hirokatsu Kawakami , Hirokazu Niwa , Hiromichi Tanaka , Tsutomu Yuasa , Tsuyoshi Hirata
IPC分类号： C04B2426
CPC分类号： C04B24/2647 , C04B2103/0059 , C08F220/04 , C08F220/28
摘要： The present invention provides a cement additive which can achieve excellent fluid retainability and has excellent mortar kneadability. The cement additive comprises copolymer (A) having polyalkylene glycol ester unit (I) and carboxylic unit (II) as repeating units, wherein polyalkylene glycol ester unit (I) has an oxyalkylene group with 3 to 7 carbon atoms on an ester bonding moiety.
摘要翻译：本发明提供一种水泥添加剂，其可以获得优异的流体保持性并且具有优异的砂浆捏合性。水泥添加剂包括具有聚亚烷基二醇酯单元（I）和羧酸单元（II）作为重复单元的共聚物（A），其中聚亚烷基二醇酯单元（I）在酯键部分上具有3-7个碳原子的氧化烯基。

10. 发明授权

US06486260B1 Cement additive, cement composition and polycarboxylic acid polymer 失效
标题翻译：水泥添加剂，水泥组合物和聚羧酸聚合物
公开(公告)号：US06486260B1
公开(公告)日：2002-11-26
申请号：US09472968
申请日：1999-12-28
申请人： Tsutomu Yuasa , Hirokatsu Kawakami , Tsuyoshi Hirata
发明人： Tsutomu Yuasa , Hirokatsu Kawakami , Tsuyoshi Hirata
IPC分类号： C08F22202
CPC分类号： C08F222/02 , C04B24/2647 , C04B2103/30 , C04B2103/40 , C08F222/20
摘要： The present invention has for its object to provide an economical cement additive capable of reducing the amount of water to be added to cement compositions and still capable of providing cement compositions with high fluidity, good processability, and a proper level of air-entraining ability resulting from sufficient foaming prevention, at low addition levels, a cement composition in which the above cement additive is used, and a polycarboxylic acid polymer excellent in dispersing effects on cement particles or inorganic powders or pigments and capable of being used with advantage as a cement additive or a dispersant for various uses. The invention provides, among others, a cement additive comprising, as main component, a polycarboxylic acid polymer (X) which has; repeating units (A), (B), (C) and (D), wherein none of the proportion of occurrence S1 of repeating unit (A) the proportion of occurrence T1 of repeating unit (B) and the proportion of occurrence E1 of repeating unit (C) is not equal to zero, the average number n of moles of an oxyalkylene group as added in repeating unit (B) is not less than 110, and that the weight average molecular weight of said polycarboxylic acid polymer is not less than 10000.
摘要翻译：本发明的目的是提供一种经济的水泥添加剂，其能够减少要添加到水泥组合物中的水的量，并且仍然能够提供具有高流动性，良好加工性和适当水平的引气能力的水泥组合物从低量添加水平的充分发泡防止使用上述水泥添加剂的水泥组合物和对水泥颗粒或无机粉末或颜料的分散效果优异且能够有利地用作水泥添加剂的多元羧酸聚合物或用于各种用途的分散剂。本发明提供了一种水泥添加剂，其包含作为主要成分的多元羧酸聚合物（X），其具有：重复单元（A），（B），（C）和（D），其中重复单元（A）的出现S1的比例，重复单元（B）的出现比例T1和发生比例E1 重复单元（C）不等于零，重复单元（B）中加入的氧化烯基的平均摩尔数不小于110，并且所述多元羧酸聚合物的重均分子量不小于超过10000。

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