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1. 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。

2. 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。

3. 发明授权

US06376581B1 Cement dispersant, method for production thereof, and cement composition using the dispersant 有权
标题翻译：水泥分散剂，其制造方法和使用该分散剂的水泥组合物
公开(公告)号：US06376581B1
公开(公告)日：2002-04-23
申请号：US09702858
申请日：2000-11-01
申请人： Yoshio Tanaka , Akira Ohta , Tsuyoshi Hirata , Toru Uno , Tsutomu Yuasa , Hideyuki Tahara
发明人： Yoshio Tanaka , Akira Ohta , Tsuyoshi Hirata , Toru Uno , Tsutomu Yuasa , Hideyuki Tahara
IPC分类号： C08K300
CPC分类号： C04B24/2647 , C04B24/2641 , C04B2103/302 , C04B2103/308 , C04B2103/408 , C04B2111/00189 , C08F2/38 , C08F220/06 , C08F290/062 , C08F2220/286 , C08F220/00
摘要： A cement dispersant having excellent ability to prevent slump loss and high water-reducing property which comprises a polycarboxylic acid type polymer having a specific molecular weight distribution, a method for the production thereof, and a cement composition using the dispersant are provided. The cement dispersant comprises as a main component thereof a polycarboxylic acid type polymer (A), having a weight average molecular weight in the range of 10,000 to 500,000 in terms of polyethylene glycol determined by gel permeation chromatography, and having a value determined by subtracting the peak top molecular weight from the weight average molecular weight in the range of 0 to 8,000.
摘要翻译：提供了具有优异的防止坍落度损失和高降水性能的水泥分散剂，其包含具有特定分子量分布的多元羧酸型聚合物，其制备方法和使用该分散剂的水泥组合物。水泥分散剂作为其主要成分，以聚乙二醇为基准，通过凝胶渗透色谱法测定重均分子量为10,000〜500,000的多元羧酸型聚合物（A），通过减去重均分子量在0至8,000范围内的峰顶分子量。

4. 发明授权

US06187841B1 Cement composition using the dispersant of (meth)acrylic esters, (metha)acrylic acids polymers 失效
标题翻译：使用（甲基）丙烯酸酯，（甲基）丙烯酸聚合物的分散剂的水泥组合物
公开(公告)号：US06187841B1
公开(公告)日：2001-02-13
申请号：US08679278
申请日：1996-07-12
申请人： Yoshio Tanaka , Akira Ohta , Tsuyoshi Hirata , Toru Uno , Tsutomu Yuasa , Hideyuki Tahara
发明人： Yoshio Tanaka , Akira Ohta , Tsuyoshi Hirata , Toru Uno , Tsutomu Yuasa , Hideyuki Tahara
IPC分类号： C04B2606
CPC分类号： C04B24/2647 , C04B24/2641 , C04B2103/302 , C04B2103/308 , C04B2103/408 , C04B2111/00189 , C08F2/38 , C08F220/06 , C08F290/062 , C08F2220/286 , C08F220/00
摘要： A cement dispersant having excellent ability to prevent slump loss and high water-reducing property which comprises a polycarboxylic acid type polymer having a specific molecular weight distribution, a method for the production thereof, and a cement composition using the dispersant are provided. The cement dispersant comprises as a main component thereof a polycarboxylic acid type polymer (A), having a weight average molecular weight in the range of 10,000 to 500,000 in terms of polyethylene glycol determined by gel permeation chromatography, and having a value determined by subtracting the peak top molecular weight from the weight average molecular weight in the range of 0 to 8,000.
摘要翻译：提供了具有优异的防止坍落度损失和高降水性能的水泥分散剂，其包含具有特定分子量分布的多元羧酸型聚合物，其制备方法和使用该分散剂的水泥组合物。水泥分散剂作为其主要成分，以聚乙二醇为基准，通过凝胶渗透色谱法测定重均分子量为10,000〜500,000的多元羧酸型聚合物（A），通过减去重均分子量在0至8,000范围内的峰顶分子量。

5. 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。

6. 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）：

7. 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。

8. 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。

9. 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。

10. 发明授权

US07405264B2 Polycarboxylic acid copolymer, production method and use thereof 失效
标题翻译：聚羧酸共聚物，其制备方法和用途
公开(公告)号：US07405264B2
公开(公告)日：2008-07-29
申请号：US10921148
申请日：2004-08-19
申请人： Tsutomu Yuasa , Tomotaka Nishikawa , Noboru Sakamoto , Tsuyoshi Hirata , Hiroko Izukashi , Tomiyasu Ueta , Hiromichi Tanaka , Yoshiyuki Onda , Toru Uno
发明人： Tsutomu Yuasa , Tomotaka Nishikawa , Noboru Sakamoto , Tsuyoshi Hirata , Hiroko Izukashi , Tomiyasu Ueta , Hiromichi Tanaka , Yoshiyuki Onda , Toru Uno
IPC分类号： C08F16/12 , C08F20/06
CPC分类号： C04B24/2658 , C04B2103/302 , C08F290/06 , C08F290/065 , C08G65/2624 , C08G2650/24 , C08L51/04 , C08L53/00 , C08L55/02 , C08L71/02 , C08L2666/24 , C08L2666/14 , C08L2666/02 , C08L2666/04
摘要： It is an object of the present invention to provide a polycarboxylic acid polpolymer which improves the water reducing capacity and workability of cement compositions and the like and making them easier to handle when the fluidity and water reducing capacity are at the same levels, a method of producing the copolymer, and a cement additive and a cement composition comprising the copolymer. The present invention is further to provide a polycarboxylic acid copolymer and a cement additive which are capable of improving the strength and durability of hardening products of cement compositions, hence can advantageously be used in ultrahigh strength concrete. The present invention is polycarboxylic acid copolymers having high water reducing capacity, reducing the viscosity of cement compositions and improving the workability in applying cement.The present invention is directed to a polycarboxylic acid copolymer which is obtained by copolymerization of monomer components comprising a polyalkyleneimine unsaturated monomer (A1) and an unsaturated carboxylic acid monomer (B).
摘要翻译：本发明的目的是提供一种改善水泥组合物等的减水能力和加工性的多元羧酸聚合物，并且当流动性和减水能力处于相同水平时使其更容易处理，制备共聚物，以及包含该共聚物的水泥添加剂和水泥组合物。本发明还提供能够提高水泥组合物的硬化物的强度和耐久性的聚羧酸共聚物和水泥添加剂，因此可以有利地用于超高强度混凝土中。本发明是具有高降水能力的聚羧酸共聚物，降低了水泥组合物的粘度并提高了施加水泥的可加工性。本发明涉及通过使包含聚亚烷基亚胺不饱和单体（A1）和不饱和羧酸单体（B）的单体成分共聚获得的多元羧酸共聚物。

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