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1. 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。

2. 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。

3. 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。

4. 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）：

5. 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。

6. 发明授权

US07232873B2 Polycarboxylic acid cement dispersant and method for producing concrete secondary product 失效
标题翻译：聚羧酸水泥分散剂及其制备方法
公开(公告)号：US07232873B2
公开(公告)日：2007-06-19
申请号：US10820798
申请日：2004-04-09
申请人： Takashi Tomita , Hirokatsu Kawakami , Hiroko Okochi
发明人： Takashi Tomita , Hirokatsu Kawakami , Hiroko Okochi
IPC分类号： C08F130/04 , C04B24/04 , C04B24/16
CPC分类号： C08F220/06 , C04B24/163 , C04B24/2647 , C04B24/2688 , C04B28/02 , C04B2103/408 , C08F220/28 , C08F290/062 , C04B40/0263
摘要： A polycarboxylic acid cement dispersant that can exhibit high dispersing ability and allow deforming in early stages in the case of producing concrete products, whereby the turnover of a formwork is increased so as to improve productivity, and the method of producing such as concrete product are provided. The polycarboxylic acid cement dispersant which provides a cement composition having a penetration resistance value exponent of 55 MPa or more and a slump retention exponent of 80% or more, and the method of producing a concrete product which makes use of a copolymer derived by using monomer components comprising the monomer (A) as polyalkylene glycol unsaturated monomer, the monomer (B) as unsaturated carboxylic monomer, and the monomer (C) as sulfonic acid group-containing monomer.
摘要翻译：在生产混凝土制品的情况下可以表现出高分散能力并能够在早期阶段发生变形的多元羧酸水泥分散剂，从而提高模板的更换以提高生产率，并且提供诸如混凝土产品的生产方法。提供具有55MPa以上的穿透电阻值指数和80％以上的塌陷保持指数的水泥组合物的多元羧酸水泥分散剂，以及使用通过使用单体得到的共聚物的混凝土制品的制造方法包含作为聚亚烷基二醇不饱和单体的单体（A），作为不饱和羧酸单体的单体（B）和作为含磺酸基的单体的单体（C）的组分。

7. 发明授权

US07273524B2 Concrete composition method of producing concrete compositions and cement admixture 失效
标题翻译：混凝土组合物和水泥混合物的混凝土组成方法
公开(公告)号：US07273524B2
公开(公告)日：2007-09-25
申请号：US10469141
申请日：2003-02-04
申请人： Takashi Tomita , Hirokatsu Kawakami
发明人： Takashi Tomita , Hirokatsu Kawakami
IPC分类号： C04B24/04
CPC分类号： C04B28/02 , C04B24/2647 , C04B24/32 , C04B2111/29 , C04B24/26 , C04B2103/50 , C04B2103/304
摘要： The objective of the present invention is to provide a concrete composition in which the amount of air entrained can be maintained stably and which is excellent in strength and durability, a concrete composition which is excellent in freeze-thaw durability owing to the good quality of foams and is excellent in air content stability with time and which can form curing products excellent in strength and durability, a method of producing such concrete composition, and a cement admixture.
摘要翻译：本发明的目的是提供一种混凝土组合物，其中夹带的空气量可以稳定地保持并且强度和耐久性优异，由于泡沫的良好质量而具有优异的冻融耐久性的混凝土组合物并且空气含量稳定性随时间优异，并且可以形成强度和耐久性优异的固化产物，制备这种混凝土组合物的方法和水泥掺合物。

8. 发明授权

US08076396B2 Ultrarapid hardening cement composition and dispersant for ultrarapid hardening cement composition 有权
标题翻译：超硬硬化水泥组合物和分散剂用于超硬硬化水泥组成
公开(公告)号：US08076396B2
公开(公告)日：2011-12-13
申请号：US12065443
申请日：2006-08-30
申请人： Akira Ono , Hisashi Inokawa , Tsuyoshi Hirata , Hirokatsu Kawakami , Masami Hattori
发明人： Akira Ono , Hisashi Inokawa , Tsuyoshi Hirata , Hirokatsu Kawakami , Masami Hattori
IPC分类号： C04B24/26 , C04B7/00 , C04B7/02 , C08K3/00 , C08K5/092 , C08K5/11
CPC分类号： C04B28/06 , C04B24/2647 , C04B2111/00068 , C04B2103/22 , C04B24/06 , C04B24/32
摘要： To provide an ultrarapid hardening cement composition with high strength, the composition having: excellent fluidity; excellent usable time; and excellent initial strength under low temperature atmosphere as well as under general temperature atmosphere, and improving strength and durability of a hardening product of the composition. An ultrarapid cement hardening composition comprising: an ultrarapid hardening cement (A) comprising a calcium aluminate; and a cement dispersant (B), wherein the cement dispersant (B) comprises a copolymer having: a repeating unit derived from a monomer represented by the following formula (1) and formula (2) as defined in the specification.
摘要翻译：为了提供高强度的超硬硬化水泥组合物，其组成具有优异的流动性; 优秀的可用时间; 并且在低温气氛以及一般温度气氛下具有优异的初始强度，并提高组合物的硬化产物的强度和耐久性。一种超级水泥硬化组合物，其包含：包含铝酸钙的超硬硬化水泥（A）和水泥分散剂（B），其中所述水泥分散剂（B）包含共聚物，所述共聚物具有：由说明书中定义的由下式（1）和式（2）表示的单体衍生的重复单元。

9. 发明授权

US07717998B2 Ultrafine particle grouting composition 有权
标题翻译：超细颗粒灌浆组合物
公开(公告)号：US07717998B2
公开(公告)日：2010-05-18
申请号：US11672305
申请日：2007-02-07
申请人： Tomohiro Kanazawa , Hirokatsu Kawakami
发明人： Tomohiro Kanazawa , Hirokatsu Kawakami
IPC分类号： C04B24/04 , C04B24/24
CPC分类号： C04B28/08 , C04B7/21 , C04B24/2647 , C04B28/14 , C04B2111/00663 , C04B2111/70 , C09K17/10 , C09K17/16 , C09K17/40 , Y02P40/143 , Y02W30/94 , C04B2103/408 , C04B22/143 , C04B40/0028 , C04B7/527 , C04B18/141
摘要： To provide an ultrafine particle grouting composition which is excellent in dispersibility and dispersion retainability and can be easily injected into minute spaces between particles of grounds, rock cracks, and the like. An ultrafine particle grouting composition comprising ultrafine particle cement, wherein the ultrafine particle grouting composition is at least one selected from the group consisting of the following (i) and (ii): (i) the ultrafine particle grouting composition comprises ultrafine particle cement (A) and a polycarboxylic acid dispersant (C), and the ultrafine particle cement (A) comprises blast furnace slag and gypsum, andthe ultrafine particle cement (A) has 10% by volume or less of particles having a particle diameter of 16 μm or more in powder form of the cement; and (ii) the ultrafine particle grouting composition comprises ultrafine particle cement (B) and a polycarboxylic acid dispersant (D), and the ultrafine particle cement (B) comprises 2 to 25% by weight of cement clinker containing 5% by weight or less of 3CaO.Al2O3, 74 to 97% by weight of blast furnace slag, and 1 to 5% by weight of gypsum, and the ultrafine particle cement (B) has 60 to 80% by volume of particles having a particle diameter of 1 to 5 μm in powder form of the cement.
摘要翻译：提供分散性和分散保持性优异的极细颗粒灌浆组合物，并且可以容易地注入到地面颗粒，岩石裂纹等之间的微小空间中。 1.一种超微粒子灌浆组合物，其特征在于，上述超细粒子水泥浆组合物是选自下述（i）和（ii）中的至少一种：（i）超微粒子灌浆组合物，其特征在于，）和多元羧酸分散剂（C），超细颗粒水泥（A）包括高炉渣和石膏，超细颗粒水泥（A）具有10体积％以下的粒径为16μm的粒子，或更多以粉末形式的水泥; 和（ii）超细颗粒灌浆组合物包含超细颗粒水泥（B）和多元羧酸分散剂（D），超细颗粒水泥（B）包含2至25重量％的含5重量％以下的水泥熟料的3CaO.Al 2 O 3，74〜97重量％的高炉矿渣和1〜5重量％的石膏，超微粒子水泥（B）具有60〜80体积％的粒径为1〜水泥粉末形式为5μm。

10. 发明申请

US20070254976A1 Method For Production Of Cement Dispersant And Polycarboxylic Acid Type Polymer For Cement Dispersant 审中-公开
标题翻译：水泥分散剂和聚羧酸类聚合物水泥分散剂生产方法
公开(公告)号：US20070254976A1
公开(公告)日：2007-11-01
申请号：US11631694
申请日：2005-07-11
申请人： Tsuyoshi Hirata , Hirokatsu Kawakami
发明人： Tsuyoshi Hirata , Hirokatsu Kawakami
IPC分类号： C08F220/06 , C04B24/26
CPC分类号： C04B24/2647 , C04B2103/408 , C08F216/14 , C08F220/06
摘要： The efficiency of production of the polycarboxylic acid type cement dispersant is exalted. Photo-polymerization is adopted in the production of the polycarboxylic acid type cement dispersant by polymerizing at least one kind of monomer represented by the chemical formula 1 and at least one kind of monomer represented by the chemical formula 2. A polymer composition having a small solvent content is obtained by causing the polymerization reaction to proceed under the condition of containing the monomers at a high concentration. Specifically, this invention is directed toward a method for producing a powdered polycarboxylic acid type cement dispersant, which method comprises a step of polymerizing the monomers under the condition of containing the monomers at a concentration of 50-100 mass % based on the total mss of the monomers and the solvent, a step of cooling the formed polymer thereby solidifying the polymer, and a step of pulverizing the solidified polymer.
摘要翻译：提高了多元羧酸型水泥分散剂的生产效率。通过聚合由化学式1表示的至少一种单体和由化学式2表示的至少一种单体，聚羧酸型水泥分散剂的制备中采用光聚合。具有小溶剂的聚合物组合物通过使聚合反应在含有高浓度单体的条件下进行，得到含量。具体地说，本发明涉及一种粉末状多元羧酸型水泥分散剂的制造方法，其特征在于，在单体浓度为50〜100质量％的条件下，以单体总量mss 单体和溶剂，冷却形成的聚合物从而使聚合物固化的步骤和粉碎固化的聚合物的步骤。

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