公开(公告)号：US07253220B2

公开(公告)日：2007-08-07

申请号：US10791730

申请日：2004-03-04

申请人： Akihiko Yamashita ,  Hiromichi Tanaka ,  Toru Uno ,  Yoshiyuki Onda ,  Tsuyoshi Hirata

发明人： Akihiko Yamashita ,  Hiromichi Tanaka ,  Toru Uno ,  Yoshiyuki Onda ,  Tsuyoshi Hirata

IPC分类号： C04B24/26

CPC分类号： C08G65/3322 ,  C04B28/02 ,  C04B40/0039 ,  C08L71/02 ,  C08L2205/05 ,  C08L2666/04 ,  C04B24/267 ,  C04B24/32

摘要： The cement admixture of the present invention can improve the workability by displaying sufficient viscosity decreasing ability and initial dispersing ability even under a low temperature environment as well as high dispersing ability and dispersion retaining ability even in a high water reducing ratio range. The above-mentioned cement admixture comprises four components of a copolymer (A) containing a constituent unit (I) derived from the unsaturated (poly)alkylene glycol ether monomer (a) and a constituent unit (II) derived from a maleic acid monomer (b), a specific unsaturated (poly)alkylene glycol ether monomer (a), a non-polymerizable (poly)alkylene glycol (B) having no alkenyl group, and a polymer (C) having an oxyalkylene group or a polyoxyalkylene group and a carboxyl group, which is different from the copolymer (A).

摘要翻译： 本发明的水泥外加剂即使在高的减水率范围内，即使在低温环境下也显示出足够的降粘能力和初始分散能力以及高分散能力和分散保持能力，可以提高加工性。 上述水泥混合物包含含有源自不饱和（聚）亚烷基二醇醚单体（a）的构成单元（I）和源自马来酸单体的构成单元（II）的共聚物（A）的四种组分 b），不饱和（聚）亚烷基二醇醚单体（a），不具有烯基的不可聚合（聚）亚烷基二醇（B）和具有氧化烯基或聚氧化烯基的聚合物（C）和 羧基，其不同于共聚物（A）。

公开(公告)号：US07247662B2

公开(公告)日：2007-07-24

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： 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%.

摘要翻译： 公开了以下：由于使用具有适当分子量分布的聚合物，水泥分散剂在初始分散性和水泥保持性方面优异， 一种生产该水泥分散剂的方法; 和使用该水泥分散剂的水泥组合物。 水泥分散剂包括水溶性聚合物（P）作为主要成分，其特征在于显示面积比例（通过从面积比A减去低分子量侧部分的面积比B而给出的值（AB） 的较高分子量侧面部分）在13〜60％的范围内。

公开(公告)号：US20050113541A1

公开(公告)日：2005-05-26

申请号：US10970005

申请日：2004-10-22

申请人： Takahiro Tsumori ,  Daisuke Hattori ,  Akihiko Kanzaki ,  Yoshikazu Fujii ,  Shigeru Yamaguchi ,  Hiroshi Yamazaki ,  Tsuyoshi Hirata

发明人： Takahiro Tsumori ,  Daisuke Hattori ,  Akihiko Kanzaki ,  Yoshikazu Fujii ,  Shigeru Yamaguchi ,  Hiroshi Yamazaki ,  Tsuyoshi Hirata

IPC分类号： C04B24/00 ,  C04B24/12 ,  C04B24/26 ,  C08F283/06 ,  C08F290/06 ,  C08G65/00 ,  C11D3/37 ,  C08L51/00

CPC分类号： C11D3/3788 ,  C04B24/2647 ,  C04B24/2658 ,  C04B2103/408 ,  C08F283/06 ,  C08F290/062

摘要： An object of the present invention is to provide a polymer which is suitable as a detergent builder in that it exerts an excellent detergency and it has no adverse effect on the environment, and is suitable as a cement admixture in that it is excellent in cement dispersibility, and workability is better. As a means of achieving this object, a polymer of the present invention is: a polymer obtained by a polymerization reaction using a polyaminepolyether compound, an unsaturated carboxylic monomer and polyalkylene glycols as a raw material, characterized in that an amount of a polyaminepolyether compound is 50% by weight or larger relative to a total amount of a polyaminepolyether compound and polyalkylene glycols; or a polymer obtained by a polymerization reaction using a polyaminepolyether compound and an unsaturated carboxylic monomer as a raw material, characterized in that an amount of an unsaturated carboxylic monomer is less than 15% by weight relative to a total amount of a polyaminepolyether compound and an unsaturated carboxylic monomer, or an unsaturated carboxylic monomer contains acrylic acid as an essential component, and an amount of remaining acrylic acid after the reaction is less than 3% by weight.

摘要翻译： 本发明的目的是提供一种适合作为洗涤剂助洗剂的聚合物，因为其具有优异的去污力，并且对环境没有不利影响，并且适合作为水泥混合物，因为它具有优异的水泥分散性 ，可操作性更好。 作为实现该目的的手段，本发明的聚合物是：使用聚氨基多醚化合物，不饱和羧酸单体和聚亚烷基二醇作为原料的聚合反应得到的聚合物，其特征在于，聚氨基聚醚化合物的量为 相对于聚氨基聚醚化合物和聚亚烷基二醇的总量为50重量％以上; 或通过使用聚氨基聚醚化合物和不饱和羧酸单体作为原料的聚合反应获得的聚合物，其特征在于，不饱和羧酸单体的量相对于聚氨基聚醚化合物的总量小于15重量％ 不饱和羧酸单体或不饱和羧酸单体含有丙烯酸为必须成分，反应后剩余的丙烯酸含量少于3重量％。

公开(公告)号：US06727315B2

公开(公告)日：2004-04-27

申请号：US10160757

申请日：2002-06-01

申请人： Masaya Yamamoto ,  Toru Uno ,  Yoshiyuki Onda ,  Hiromichi Tanaka ,  Akihiko Yamashita ,  Tsuyoshi Hirata ,  Naoko Hirano

发明人： Masaya Yamamoto ,  Toru Uno ,  Yoshiyuki Onda ,  Hiromichi Tanaka ,  Akihiko Yamashita ,  Tsuyoshi Hirata ,  Naoko Hirano

IPC分类号： C08F1602

CPC分类号： C04B24/2647 ,  C04B24/2641 ,  C04B24/32 ,  C04B2103/408 ,  C04B2111/00189 ,  C08F216/1416 ,  C08F290/062 ,  C08G65/2609 ,  C08L51/003 ,  C08L71/02 ,  C08L2666/02 ,  C08L2666/04

摘要： The present invention provides: a copolymer for cement admixtures which displays high dispersibility with a small adding amount and excellent dispersibility particularly even in a high water reducing ratio area, a cement admixture utilizing the copolymer, and a cement composition, and further, a production process for the copolymer. The copolymer for cement admixtures comprises: constitutional unit (I) derived from unsaturated polyalkylene glycol ether monomer (a) having an alkenyl group having 5 carbon atoms and an oxyalkylene group having 2 to 18 carbon atoms with an average addition number of moles of the oxyalkylene groups to be in the range of 10 to 300; and constitutional unit (II) derived from unsaturated monocarboxylic acid monomer (b). The cement admixture includes the copolymer for cement admixtures as an essential component, and may further include a defoaming agent. The cement composition includes the copolymer for cement admixtures, and cement as essential components. The production process for the copolymer comprises: copolymerizing comonomers including unsaturated polyalkylene glycol ether monomer (a) and unsaturated monocarboxylic monomer (b) as essential components by use of a chain-transfer agent, and/or adjusting pH of a resultant reaction mixture to not less than 5 after the copolymerization.

摘要翻译： 本发明提供了一种用于水泥外加剂的共聚物，其特征在于即使在高减水率区域中也显示出高分散性，特别是具有小的添加量和优异的分散性，使用该共聚物的水泥混合物和水泥组合物，此外， 对于共聚物。 用于水泥混合物的共聚物包括：衍生自具有5个碳原子的烯基的不饱和聚亚烷基二醇醚单体（a）和具有2至18个碳原子的氧化烯基的结构单元（I），氧化烯的平均加成摩尔数 组别在10至300范围内; 和由不饱和一元羧酸单体（b）衍生的结构单元（II）。 水泥外加剂包括水泥外加剂作为必要成分的共聚物，还可以含有消泡剂。 水泥组合物包括用于水泥混合物的共聚物和水泥作为必要组分。 共聚物的制造方法包括：使用链转移剂使包含不饱和聚亚烷基二醇醚单体（a）和不饱和单羧酸单体（b）的共聚单体共聚为必要成分，和/或将所得反应混合物的pH调节为 共聚后小于5。

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）：

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。

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。

公开(公告)号：US06362364B1

公开(公告)日：2002-03-26

申请号：US09399567

申请日：1999-09-20

申请人： Tsuyoshi Hirata ,  Hiromichi Tanaka ,  Tsutomu Yuasa

发明人： Tsuyoshi Hirata ,  Hiromichi Tanaka ,  Tsutomu Yuasa

IPC分类号： C07C6952

CPC分类号： C04B24/2647 ,  C04B24/2641 ,  C04B24/2688 ,  C04B24/32 ,  C04B2103/408 ,  C07C67/08 ,  C08F20/28 ,  C08G65/3322 ,  C07C69/54

摘要： A method for the production of an esterified product which can prevent the occurrence of a gel-like substance during the separation and removal of the water formed by the reaction in the esterification reaction or during the expulsion of a dehydrating solvent by distillation after the esterification reaction by causing an antigelling agent to act on the distillate and consequently permits efficient production of the esterified product of high quality, and an apparatus therefor are to be provided. To be specific, a method for the production of an esterified product of this invention relates to a method for the production of an esterified product by the esterification reaction of an alcohol represented by the following formula (1): R1O(R2O)nH  (1) wherein R1 represents a hydrocarbon group of 1 to 30 carbon atoms, R2O represents an oxyalkylene group of 2 to 18 carbon atoms, providing that the repeating units, R2O, may be the same or different and that when the R2O's are in the form of a mixture of two or more species, the repeating units, R2O, may be added either in a block form or in a random form, and n represents an average addition mol number of oxyalkylene groups and is in the range of 0 to 300, with (meth)acrylic acid, wherein said method comprises acting an antigelling agent on a distillate.

摘要翻译： 一种酯化产物的制备方法，其可以防止在酯化反应中分离和除去由酯化反应中的反应形成的水或在酯化反应后通过蒸馏排出脱水溶剂时发生凝胶状物质 通过使抗凝胶剂作用于馏出物，从而能够有效地生产高质量的酯化产物，并提供其设备。 具体而言，本发明的酯化产物的制造方法涉及通过下述式（1）表示的醇的酯化反应生产酯化物的方法：其中，R1表示下述式 1至30个碳原子，R 2 O表示2至18个碳原子的氧化烯基团，条件是重复单元R 2 O可以相同或不同，并且当R 2 O为两种或更多种的混合物的形式时， 重复单元R 2 O可以以嵌段形式或无规形式加成，n表示氧化烯基的平均加成摩尔数，并且与（甲基）丙烯酸在0〜300的范围内，其中所述 方法包括在馏出物上起抗凝胶剂的作用。

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。

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）。