专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US06087418A Cement admixture and cement composition 有权
标题翻译：水泥外加剂和水泥组成
公开(公告)号：US06087418A
公开(公告)日：2000-07-11
申请号：US223248
申请日：1999-01-01
申请人： Akihiko Yamashita , Tsuyoshi Hirata , Tsutomu Yuasa , Hirokazu Niwa
发明人： Akihiko Yamashita , Tsuyoshi Hirata , Tsutomu Yuasa , Hirokazu Niwa
IPC分类号： C04B24/26 , C04B24/32 , C04B28/02 , C08K3/34 , C08L33/08 , C08L33/17
CPC分类号： C04B24/2647 , C04B28/02
摘要： The present invention provides a cement admixture and a cement composition, both of which displays little dependence of the water-reducibility upon temperature in that these cement admixture and cement composition involve little slump loss at high temperature and little increase in the amount of addition at low temperature. The cement admixture comprises the following essential components: either or both of polymer (A) and polymer salt (AA), wherein polymer (A) includes constitutional unit (I) of general formula (1) below as an essential constitutional unit, and polymer salt (AA) is obtained by further neutralizing polymer (A) with an alkaline substance; and either or both of polymer (B) and polymer salt (BB), wherein polymer (B) includes constitutional unit (II) of general formula (2) below as an essential constitutional unit, and polymer salt (BB) is obtained by further neutralizing polymer (B) with an alkaline substance. ##STR1##
摘要翻译：本发明提供了一种水泥混合物和水泥组合物，两者对水的还原性几乎不依赖于温度，因为这些水泥混合物和水泥组合物在高温下几乎没有坍落度损失，并且在低温下几乎不增加添加量温度。水泥混合物包含以下必要组分：聚合物（A）和聚合物盐（AA）中的一种或两种，其中聚合物（A）包括下述通式（1）的结构单元（I）作为必要结构单元，聚合物通过用碱性物质进一步中和聚合物（A）获得盐（AA）; 以及聚合物（B）和聚合物盐（BB）中的任一种或两者，其中聚合物（B）包括下述通式（2）的结构单元（II）作为基本结构单元，并且聚合物盐（BB）通过进一步获得用碱性物质中和聚合物（B）。

2. 发明授权

US06294015B1 Cement admixture and cement composition 有权
标题翻译：水泥外加剂和水泥组成
公开(公告)号：US06294015B1
公开(公告)日：2001-09-25
申请号：US09223035
申请日：1999-01-01
申请人： Akihiko Yamashita , Tsuyoshi Hirata , Tsutomu Yuasa , Hirokazu Niwa
发明人： Akihiko Yamashita , Tsuyoshi Hirata , Tsutomu Yuasa , Hirokazu Niwa
IPC分类号： C04B2424
CPC分类号： C04B24/2647 , C04B24/2694 , C04B40/0039 , C04B2103/308 , C08F220/28
摘要： The present invention provides a cement admixture and a cement composition, both of which displays little dependence of the water-reducibility upon temperature in that these cement admixture and cement composition involve little slump loss at high temperature and little increase in the amount of addition at low temperature. The cement admixture comprises either or both of the following components: copolymer (A) which includes constitutional unit (I) of general formula (1) below and constitutional unit (II) of general formula (2) below as essential constitutional units and may further include constitutional unit (III) of general formula (3) below, wherein the content of constitutional unit (III) is 45 weight % or less of copolymer (A); and copolymer salt (B) which is obtained by further neutralizing copolymer (A) with an alkaline substance.
摘要翻译：本发明提供了一种水泥混合物和水泥组合物，两者对水的还原性几乎不依赖于温度，因为这些水泥混合物和水泥组合物在高温下几乎没有坍落度损失，并且在低温下几乎不增加添加量温度。水泥外加剂包括以下组分之一或两者：包括以下通式（1）的结构单元（I）和下述通式（2）的单元（II）作为必要结构单元的共聚物（A），并且可以进一步包括下述通式（3）的结构单元（III），其中，构成单元（III）的含量为共聚物（A）的45重量％以下。和通过用碱性物质进一步中和共聚物（A）而获得的共聚物盐（B）。

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

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。

5. 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。

6. 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。

7. 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。

8. 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。

9. 发明申请

US20050222301A1 Cement dispersant, its production process, and cement composition using the cement dispersant 失效
公开(公告)号：US20050222301A1
公开(公告)日：2005-10-06
申请号：US11137228
申请日：2005-05-25
申请人： Tsutomu Yuasa , Noboru Sakamoto , Tsuyoshi Hirata
发明人： Tsutomu Yuasa , Noboru Sakamoto , Tsuyoshi Hirata
IPC分类号： C04B24/26 , C04B24/32 , C08K3/00
CPC分类号： C04B24/2641 , C04B24/2647 , C04B2103/0053 , C04B2103/408
摘要： Disclosed are the following: a cement dispersant which is excellent in initial dispersibility and further in flow retainability of cement, because of using a polymer having a proper molecular weight distribution; a process for producing this cement dispersant; and a cement composition using this cement dispersant. The cement dispersant comprises a water-soluble polymer (P) as a main component, and is characterized by displaying an area proportion (a value (A−B) given by subtracting an area ratio B of a lower molecular weight side portion from an area ratio A of a higher molecular weight side portion) in the range of 13 to 60%.

10. 发明申请

US20050131110A1 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：US20050131110A1
公开(公告)日：2005-06-16
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： C04B24/26 , C04B24/32 , C08F290/00 , C08F290/06 , C08G65/26 , C08L51/04 , C08L53/00 , C08L55/02 , C08L71/02 , C08K3/00
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。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式