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1. 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。

2. 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。

3. 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）：

4. 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。

5. 发明授权

US06900275B2 (Meth) acrylic acid (salt) polymer and its production process 失效
标题翻译：（Meth）丙烯酸（盐）聚合物及其生产工艺
公开(公告)号：US06900275B2
公开(公告)日：2005-05-31
申请号：US10281971
申请日：2002-10-29
申请人： Takashi Tomita , Tsutomu Yuasa , Hirokatsu Kawakami
发明人： Takashi Tomita , Tsutomu Yuasa , Hirokatsu Kawakami
IPC分类号： C04B24/26 , C08F2/00 , C08F4/40 , C08F220/04 , C08F220/28 , C08F290/06 , C08F283/06
CPC分类号： C08F290/061 , C04B24/2647 , C04B2103/408 , C08F220/04 , C08F220/28 , C08F290/06 , C08F290/062
摘要： There is provided: a (meth)acrylic acid (salt) polymer which has high properties and is little colored; and a process which can produce this polymer with a high polymerization conversion without causing the corrosion of the reaction vessel. When a (meth)acrylic acid (salt) polymer is obtained by carrying out polymerization of an unsaturated monocarboxylic monomer (a) and an unsaturated polyalkylene glycolic monomer (b) with a polymerization initiator, either a redox polymerization initiator including hydrogen peroxide and a reducing agent is used as the polymerization initiator in a specific amount, or the unsaturated polyalkylene glycolic monomer is subjected to the polymerization in the form of an esterification reaction product as obtained by a process including the steps of: esterifying the unsaturated monocarboxylic monomer and a polyalkylene glycol in a specific charging ratio in the presence of an acid catalyst in a manner for a portion of the residual unsaturated monocarboxylic monomer as a starting raw material to remain; and then neutralizing the acid catalyst and the residual unsaturated monocarboxylic monomer (a) with a basic substance after the esterification; and the polymerization is carried out under conditions where the pH during the polymerization is in the range of 3.2 to 7.0.
摘要翻译：提供：具有高性能并且着色少的（甲基）丙烯酸（盐）聚合物; 以及可以在不引起反应容器的腐蚀的情况下以高聚合转化率生产该聚合物的方法。当通过用聚合引发剂进行不饱和单羧酸单体（a）和不饱和聚亚烷基二醇单体（b）的聚合获得（甲基）丙烯酸（盐））聚合物时，可以使用包含过氧化氢的还原性氧化还原聚合引发剂作为聚合引发剂使用，或不饱和聚亚烷基二醇单体以酯化反应产物的形式进行聚合，所述方法包括以下步骤：酯化不饱和单羧酸单体和聚亚烷基二醇在酸催化剂存在下，以残留不饱和单羧酸单体的一部分作为起始原料保留的方式，以特定的带电比例; 然后在酯化后用碱性物质中和酸催化剂和残余不饱和单羧酸单体（a）; 聚合反应在聚合反应中的pH在3.2〜7.0的条件下进行。

6. 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。

7. 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。

8. 发明申请

US20050182162A1 Cement admixture 有权
标题翻译：水泥外加剂
公开(公告)号：US20050182162A1
公开(公告)日：2005-08-18
申请号：US11026995
申请日：2004-12-31
申请人： Toshio Hayashiya , Tomiyasu Ueta , Tsutomu Yuasa , Tsuyoshi Hirata , Hiroshi Yamazaki
发明人： Toshio Hayashiya , Tomiyasu Ueta , Tsutomu Yuasa , Tsuyoshi Hirata , Hiroshi Yamazaki
IPC分类号： C04B24/26 , C04B28/02 , C04B40/00 , C08F220/06 , C08F290/06 , C08K3/00 , C08L55/00
CPC分类号： C08F290/062 , C04B24/2647 , C04B40/0039 , C04B2103/302 , C04B2103/308 , C08F2/38 , C08F220/06 , C08F2220/288 , C08L33/02 , C08L2666/04
摘要： There are provided a cement admixture which enhances water reducing property and flowability of a cement composition, and is excellent in slump retaining performance to retain the flowability with time, a polycarboxylic acid-based polymer for a cement admixture suitable therefor, a producing method thereof, and a cement composition. One cement admixture of the present invention contains copolymers (A) and (B) as an essential component, weight average molecular weights (AMw and BMw) of copolymers (A) and (B) are AMw>BMw, or peaktop molecular weights (AMp and BMp) of copolymers (A) and (B) are AMp>BMp. Another cement admixture of the present invention contains a polycarboxylic acid-based polymer having a lower molecular weight side area ratio P of 50 to 87%.
摘要翻译：提供一种提高水泥组合物的降水性和流动性的水泥外加剂，并且具有优异的坍落度保持性能以保持随时间流动性，适用于其的水泥混合物的聚羧酸类聚合物，其制造方法，和水泥组合物。本发明的一种水泥混合物含有共聚物（A）和（B）作为必要组分，共聚物（A）和（B）的重均分子量（AMw和BMw）分别为AMw> BMw，或峰顶分子量（AMp 和共聚物（A）和（B）的共聚物）为AMp> BMp。本发明的另一种水泥混合物含有分子量较小的面积比P为50至87％的聚羧酸基聚合物。

9. 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。

10. 发明授权

US07662884B2 Cement admixture and production method thereof 有权
标题翻译：水泥外加剂及其制备方法
公开(公告)号：US07662884B2
公开(公告)日：2010-02-16
申请号：US10479298
申请日：2003-04-23
申请人： Tsutomu Yuasa , Hiromichi Tanaka , Noboru Sakamoto , Tomotaka Nishikawa , Hiroko Izukashi , Toru Uno , Tsuyoshi Hirata , Tomiyasu Ueta , Yoshiyuki Onda
发明人： Tsutomu Yuasa , Hiromichi Tanaka , Noboru Sakamoto , Tomotaka Nishikawa , Hiroko Izukashi , Toru Uno , Tsuyoshi Hirata , Tomiyasu Ueta , Yoshiyuki Onda
IPC分类号： C08L79/02 , C08L71/02 , C04B24/26 , C04B24/12 , C08F290/06
CPC分类号： C04B24/26 , C04B40/0039 , C04B2103/302 , C08F290/062 , C04B24/12 , C04B24/2647 , C04B24/32 , C04B24/2658 , C04B24/287
摘要： It is an object of the present invention, which has been made in view of the above-mentioned state of the art, to provide a cement admixture capable of improving the water-reducing ability of cement compositions and the like and enhancing the strength and durability of hardened products produced therefrom and further capable of adjusting the viscosity of such compositions so as to facilitate the works at the sites of handling the same, as well as a method of producing such cement additive.A cement admixture comprising a polycarboxylic acid polymer and a nitrogen atom-containing compound having non-amide bond, wherein the mass ratio (A/B) between the mass (A) of said polycarboxylic acid polymer and the mass (B) of said nitrogen atom-containing compound having non-amide bond satisfies the relation 200>(A/B)>1.
摘要翻译：鉴于上述现有技术的现有技术，本发明的目的是提供一种能够提高水泥组合物等的减水能力并提高强度和耐久性的水泥混合物由此产生的硬化产品，并且还能够调节这些组合物的粘度，以便于在处理该组合物的位置处的工作，以及生产这种水泥添加剂的方法。 1.一种水泥混合物，其含有聚羧酸系聚合物和具有非酰胺键的含氮原子的化合物，其中，所述多元羧酸系聚合物的质量（A）与所述氮的质量（B）之间的质量比（A / B）具有非酰胺键的含原子的化合物满足关系式200>（A / B）> 1。

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