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    • 2. 发明专利
    • Fluidizing method of soil-cement slurry
    • 土壤水泥浆的流化方法
    • JP2011121793A
    • 2011-06-23
    • JP2009279127
    • 2009-12-09
    • Takemoto Oil & Fat Co LtdTakenaka Komuten Co Ltd株式会社竹中工務店竹本油脂株式会社
    • SATO EIJIYANASE KAZUOKINOSHITA MITSUOTAMAKI SHINJIOKADA KAZUHISA
    • C04B28/02C04B14/10C04B22/10C04B24/06C04B24/10C04B24/26C04B24/32C04B28/08C09K17/02C09K17/08C09K17/10C09K17/14C09K17/18C09K17/44C09K103/00E02D3/12E02D5/20E02D5/46
    • C04B28/02C04B24/2611C04B2103/32C04B2103/50C04B22/10C04B24/06C04B24/10
    • PROBLEM TO BE SOLVED: To provide an easy fluidizing method of a soil-cement slurry that gives sufficient fluidity and fluidity-holding property to the soil-cement slurry and thus simultaneously attains injection workability of a stress-holding material (H steel), large reduction of generation of construction sludge derived from reduced injection rate of cement milk into the ground, and ample water-stop capacity and strength of a soil-cement wall derived from promoted uniform mixing of the cement milk and soil.
      SOLUTION: The fluidizing method of a soil-cement slurry is characterized by using the cement milk that is mixed with the soil so as to contain 2-40 kg of an aqueous solution of a fluidizing agent per 1 m
      3 of soil and 0.002-0.5 kg of a defoaming agent per 1 m
      3 of soil. The aqueous solution of a fluidizing agent includes 5-50 mass% of the fluidizing agent and is prepared by diluting with water the fluidizing agent that contains 20-80 mass% of A component, 10-70 mass% of B component and 2-20 mass% of C component (100 mass% in total), wherein A component is a water-soluble vinyl copolymer of a mass average molecular weight of 2,000-60,000 obtained by alkali-hydrolyzing a copolymer of isobutylene and maleic anhydride using an alkaline hydroxide; B component is sodium carbonate and/or potassium carbonate; and C component is one or two or more compounds selected from a saccharide, an oxycarboxylic acid and a salt of an oxycarboxylic acid.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种土壤 - 水泥浆料的易于流化的方法,其给予土壤 - 水泥浆料足够的流动性和流动性保持性,从而同时获得应力保持材料(H钢)的注射加工性 ),大大减少了建筑污泥的产生,降低了水泥乳注入地面的注入速率,以及促进了水泥浆和土壤均匀混合的土壤 - 水泥墙的充分的止水能力和强度。 解决方案:土壤 - 水泥浆的流化方法的特征在于使用与土壤混合的水泥乳,以便每1m <3>含有2-40kg流化剂水溶液 土壤和0.002-0.5公斤消泡剂每1米<3>的土壤。 流化剂的水溶液含有流化剂的5-50质量%,通过水稀释,含有20〜80质量%的A成分,10-70质量%的B成分和2-20质量%的流化剂 C成分的质量%(总计100质量%),其中,A成分是使用碱性氢氧化物碱性水解异丁烯与马来酸酐的共聚物而得到的质均分子量为2,000〜6000的水溶性乙烯基共聚物。 B成分是碳酸钠和/或碳酸钾; C成分是选自糖,羟基羧酸和羟基羧酸的盐中的一种或两种以上的化合物。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Fluidizing agent for preparing high strength soil cement slurry
    • 用于制备高强度土壤水泥浆的流化剂
    • JP2012051737A
    • 2012-03-15
    • JP2010177116
    • 2010-08-06
    • Takemoto Oil & Fat Co Ltd竹本油脂株式会社
    • KINOSHITA MITSUOOKADA KAZUHISATAMAKI SHINJI
    • C04B24/26C04B24/32C04B103/30C08G65/28
    • PROBLEM TO BE SOLVED: To provide a fluidizing agent for preparing a high strength soil cement slurry, which is capable of imparting a high fluidity to the prepared soil cement slurry, even if an injection ratio of cement milk into soil is reduced so as to suppress production of construction sludge to be discarded, and is capable of yielding a high-strength cured product from the prepared soil cement slurry, particularly a high-strength cured product achieving a uniaxial compressive strength of 10 N/mmat material age of 28 days.SOLUTION: The fluidizing agent for preparing high strength soil cement slurry comprises: 60-98 mass% of a specific water-soluble vinyl copolymer having specific two kinds of constitutional units at a specific ratio in the molecule; and 2-40 mass% of a polyalkylene oxide adduct of a specific lower mono-alcohol (100 mass% in total).
    • 要解决的问题:为了提供一种用于制备高强度土壤水泥浆料的流化剂,其能够赋予制备的土壤水泥浆料高流动性,即使水泥乳进入土壤的注射比例降低 为了抑制废弃的施工污泥的生产,能够从制备的土壤水泥浆中获得高强度固化物,特别是实现10N / mm的单轴抗压强度的高强度固化物 2 ,材料年龄28天。 解决方案:用于制备高强度土壤水泥浆的流化剂包括:60-98质量%的特定水溶性乙烯基共聚物,在分子中具有特定比例的特定两种结构单元; 和2-40质量%的特定低级单醇(总共100质量%)的聚环氧烷加合物。 版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Slump loss preventing agent for concrete, admixture for concrete and concrete
    • 混凝土混凝土防滑剂,混凝土和混凝土的混合物
    • JP2008156137A
    • 2008-07-10
    • JP2006344004
    • 2006-12-21
    • Takemoto Oil & Fat Co Ltd竹本油脂株式会社
    • OKADA KAZUHISAKINOSHITA MITSUO
    • C04B24/26C04B28/02C04B103/40
    • C04B40/0039C04B2103/308C04B20/023C04B24/2641C04B28/02C04B2103/408C04B2103/58
    • PROBLEM TO BE SOLVED: To provide an admixture using a slump loss preventing agent giving excellent slump loss preventing ability and giving excellent shrinkage reducing ability and compressive strength to a hardened body even using moderate heat portland cement and concrete using the admixture.
      SOLUTION: A carboxylic acid monoester copolymer obtained by radical-polymerizing a mixture containing ≥90 mol% in total of respective following monomers in a molar ratio of 75/25-45/55 under a prescribed condition and having mass average molecular weight of 2,000-60,000 is used. A carboxylic acid monoester expressed by formula (1) and an allyl alcohol-based compound expressed by formula (2) are used. In the formulas (1) and (2), R represents a 4C or 5C alkyl group, (n) represent integers of 2-4 and A represents a residue obtained by removing all hydroxy groups from a polyalkylene glycol having a polyoxyalkylene group comprising 2-150 oxyethylene units only or 2-150 in total of oxyethylene units and oxypropylene units.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:即使使用中等加热硅酸盐水泥和使用该混合物的混凝土,提供使用坍落度损失防止剂的混合物,其提供优异的坍落度损失防止能力并且向硬化体提供优异的减缩能力和抗压强度。 解决方案:一种羧酸单酯共聚物,其通过在规定条件下以75 / 25-45 / 55的摩尔比将具有≥90摩尔%的各种以下单体的混合物自由基聚合,并且具有质均分子量 使用2,000-60,000。 使用由式(1)表示的羧酸单酯和式(2)表示的烯丙基醇类化合物。 在式(1)和(2)中,R表示4C或5C烷基,(n)表示2-4的整数,A表示通过从具有聚氧亚烷基的聚亚烷基二醇除去所有羟基而获得的残基 -150氧化乙烯单元或总共为2-150氧化乙烯单元和氧化丙烯单元。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Cement dispersing agent
    • 水泥分散剂
    • JP2003002720A
    • 2003-01-08
    • JP2002165414
    • 2002-06-06
    • Takemoto Oil & Fat Co Ltd竹本油脂株式会社
    • KINOSHITA MITSUOOKADA KAZUHISA
    • C04B24/26C04B103/40C08F290/06
    • PROBLEM TO BE SOLVED: To impart an excellent performance as a cement dispersing agent to the water soluble vinyl copolymer obtained by producing a high quality polyether-ester monomer in the absence of solvent and using the high quality polyether-ester monomer thus produced as intermediate raw material.
      SOLUTION: The high quality polyether-ester monomer is produced by subjecting one-terminal substituted polyalkyleneglycol and unsaturated carboxylic acid to esterifying reaction under the specified condition allowing p-benzoquione and/or phenothiazine of prescribed quantity to exist in the absence of solvent, the high quality polyether-ester monomer thus produced and other vinyl monomer are subjected to radical copolymerization and the water soluble copolymer is produced and is used as the cement dispersing agent.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:通过在不存在溶剂的情况下制备高质量的聚酯 - 酯单体而获得的水溶性乙烯基共聚物作为水泥分散剂具有优异的性能,并且使用由此制备的高品质聚醚 - 酯单体作为中间原料 材料。 解决方案:通过使一端取代的聚亚烷基二醇和不饱和羧酸在规定条件下进行酯化反应制备高品质聚醚酯单体,使得在没有溶剂的情况下存在规定量的对苯醌和/或吩噻嗪存在, 由此制备的优质聚醚酯单体和其它乙烯基单体进行自由基共聚,生成水溶性共聚物,并用作水泥分散剂。
    • 8. 发明专利
    • Method for manufacturing an alkylene oxide adduct and alkylene oxide adduct
    • 制造亚烷基氧化物添加剂和氧化亚铁添加剂的方法
    • JP2014084443A
    • 2014-05-12
    • JP2012236553
    • 2012-10-26
    • Takemoto Oil & Fat Co Ltd竹本油脂株式会社
    • FURUTA AKIHIROOKADA KAZUHISA
    • C08G65/04
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing an alkylene oxide adduct capable of simultaneously realizing goals of continuously manufacturing an alkylene oxide adduct on an arbitrary scale ranging from small to large, of controlling, in high precision, the temperature and pressure at the time of an addition reaction, and of continuously manufacturing, as a result, a high-quality alkylene oxide adduct free from coloration and having a narrow molecular weight distribution; and an alkylene oxide adduct thus manufactured.SOLUTION: The alkylene oxide adduct is manufactured by continuously feeding, by using a microflow reactor possessing a flow channel having an inner diameter of 0.05-3.5 mm, a specified quantity of an alkylene oxide and a specified quantity of an active hydrogen atom-containing organic compound into the flow channel in liquid states and by reacting the contents being passed under conditions where the flow channel temperature is 70 to 200°C and where the pressure of the supply port of the flow channel is 1-10 MPa.
    • 要解决的问题:提供一种制造烯化氧加合物的方法,其能够同时实现从小到大的任意规模连续制造烯化氧加合物的目标,以高精度控制在该温度下的温度和压力 加成反应时间,连续制造不含着色,分子量分布窄的高品质环氧烷加合物; 和这样制造的环氧烷烃加合物。溶液:通过使用具有内径为0.05-3.5mm的流动通道的微流反应器,连续进料制造环氧烷加合物,指定量的烯化氧和指定量 的含有活性氢原子的有机化合物以液态流入流路,并且在流路温度为70〜200℃的条件下使通过的物质与流路的供给口的压力成为1 -10 MPa。