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公开(公告)号:JP2008280214A
公开(公告)日:2008-11-20
申请号:JP2007126323
申请日:2007-05-11
Inventor: SHIMODA MASARO , MASANAKA MASAFUMI , OBATA KENICHI
CPC classification number: C04B28/02 , C04B2111/00732 , C04B24/02 , C04B24/32
Abstract: PROBLEM TO BE SOLVED: To provide a production method of a cement-based solidifying material easily practicable even at low temperature, having reduced quantity of dust upon scattering or the like and further producing the cement-based solidifying material having satisfactory storage stability.
SOLUTION: The method for producing a cement-based solidifying material comprises a process where a specified aqueous solution containing glycerol and polyethylene glycol is mixed with hydraulic powder at a specified ratio.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 待解决的问题:为了提供即使在低温下也容易实现的水泥基固化材料的制造方法,散射时灰尘量减少等,进一步制造具有良好储存稳定性的水泥基固化材料 。 < P>解决方案:水泥基固化材料的制造方法包括将含有甘油和聚乙二醇的指定水溶液与水硬性粉末以规定比例混合的方法。 版权所有(C)2009,JPO&INPIT
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公开(公告)号:JP2007191673A
公开(公告)日:2007-08-02
申请号:JP2006133397
申请日:2006-05-12
Inventor: SHIMODA MASARO , KONO YOSHINAO , HAMADA DAISUKE , NAKA YOSHIHITO
IPC: C08F290/06 , C04B22/16 , C04B24/26 , C04B28/02 , C04B103/32 , C04B103/40 , C08F220/28 , C08F230/02
CPC classification number: C04B24/2694 , C04B24/246 , C04B24/32
Abstract: PROBLEM TO BE SOLVED: To provide a method capable of industrially and stably producing a phosphate-based polymer suitable as a dispersing agent for hydraulic composition capable of imparting excellent dispersing effect and viscosity-reducing effect to the hydraulic composition in practical level and good reproducibility.
SOLUTION: When copolymerizing a specific monomer 1 having a polyoxyalkylene group with a phosphoric acid monoester-based monomer 2 and a phosphoric acid diester-based monomer 3, a liquid A containing the monomer 1 and a liquid B containing the monomer 2 and the monomer 3 are each separately introduced into a reaction system and ≥90 wt.% of each of total amount of the liquid A and the liquid B introduced into the reaction system is simultaneously introduced into the reaction system to provide the phosphate-based polymer suitable as the dispersing agent for hydraulic composition.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题:提供一种能够在工业上稳定地制造适合作为水硬性组合物的分散剂的磷酸酯类聚合物的方法,其能够在实用水平上赋予水硬性组合物优异的分散效果和降粘效果, 重现性好。 解决方案:当将具有聚氧化烯基的特定单体1与磷酸单酯类单体2和磷酸二酯类单体3共聚时,含有单体1的液体A和含有单体2的液体B和 单体3分别引入反应体系中,并且将总量为液体A的总量的≥90重量%引入反应体系中的液体B同时引入反应体系中以提供适合的磷酸酯基聚合物 作为水硬性组合物的分散剂。 版权所有(C)2007,JPO&INPIT
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公开(公告)号:JP2007153638A
公开(公告)日:2007-06-21
申请号:JP2005347906
申请日:2005-12-01
Inventor: SHIMODA MASARO , HAMADA DAISUKE , YADOKORO YOSHIAKI , HAMAI TOSHIMASA
IPC: C04B28/02 , C04B24/26 , C04B103/30 , C08F216/14 , C08F220/20 , C08F220/28 , C08F290/06
CPC classification number: C04B28/02 , C04B14/02 , C04B24/246
Abstract: PROBLEM TO BE SOLVED: To provide a concrete composition which is satisfactory in workability, such as placing, compacting and finishing, is stable in the amount of entrained air in a fresh state, fluidity, and flow retentivity, and by which bleeding is suppressed.
SOLUTION: The concrete composition contains a phosphate-based polymer (A) of 10,000 to 40,000 in weight average molecular weight obtained by copolymerizing a specific monomer 1 having a polyoxyalkylene group, a monoester phosphate-based monomer 2, and a diesterphosphate-based monomer 3, hydraulic powder (B), aggregate (C), and water (D), in which the volume of the water per 1 m
3 is 170 to 185 kg/m
3 , and the paste volume (the volume of the water and the hydraulic powder) per 1 m
3 is 250 to 320 L/m
3 .
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 待解决的问题:为了提供令人满意的加工性,如放置,压实和精加工的混凝土组合物,在新鲜状态下的夹带空气量,流动性和流动性保持性以及出血量的稳定性 被压制 解决方案:混凝土组合物含有通过使具有聚氧化烯基的特定单体1,单酯磷酸酯基单体2和二酯磷酸酯基单体2共聚得到的重均分子量为10,000至40,000的磷酸酯基聚合物(A) 基于水的单体3,水硬性粉末(B),骨料(C)和水(D),其中每1m <3>的水的体积为170〜185kg / m 3 SP>,并且每1m
3 SP>的糊状体积(水和水力粉末的体积)为250〜320L / m 3 SP>。 版权所有(C)2007,JPO&INPIT -
64.
公开(公告)号:JP2007137734A
公开(公告)日:2007-06-07
申请号:JP2005335630
申请日:2005-11-21
Inventor: MORII YOSHIKAZU , YAMATO FUJIO , SHIMODA MASARO
IPC: C04B24/26 , B28B1/20 , C08F290/06
CPC classification number: C04B28/02 , C04B24/246 , C04B14/02
Abstract: PROBLEM TO BE SOLVED: To provide a method by which a product can be produced with good workability even in the case that centrifugal force is reduced.
SOLUTION: The centrifugally formed concrete product is obtained by tightly solidifying concrete containing a phosphoric ester-based polymer (A) obtained by copolymerizing a specified monomer 1 having a polyoxy alkylene group, a phosphoric monoester-based monomer 2 and a phosphoric diester-based monomer 3, hydraulic powder and water under ≥0.5 G centrifugal force.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题:提供即使在离心力降低的情况下也可以制造具有良好加工性的产品的方法。 解决方案:通过将含有聚氧亚烷基的特定单体1,磷酸单酯类单体2和磷酸二酯共聚得到的磷酸酯类聚合物(A) 的单体3,水力粉末和水在≥0.5G离心力下。 版权所有(C)2007,JPO&INPIT
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65.
公开(公告)号:JP2007084614A
公开(公告)日:2007-04-05
申请号:JP2005272282
申请日:2005-09-20
Inventor: SHIMODA MASARO , KONO YOSHINAO , MORII YOSHIKAZU , NAKA RYOJI
IPC: C08F290/06 , C04B24/26 , C04B28/02 , C08F2/04 , C08F220/26
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a dispersant for a hydraulic composition, capable of stably producing the dispersant which can give an excellent dispersing effect and viscosity reducing effect to the hydraulic composition, in an industrially practical level with good reproducibility.
SOLUTION: This method comprises copolymerizing a specified monomer 1 having a polyoxyalkylene group with a phosphoric acid monoester-based monomer 2 and a phosphoric acid diester-based monomer 3, wherein a mixed solution containing the monomer 1, the monomer 2, and the monomer 3 is prepared at 10-50°C and polymerization of the monomers is started within 72 hr after the preparation of the solution, while a temperature of the mixed solution is maintained in a range of 10-50°C until the polymerization is started, so that a phosphoric acid ester-based polymer which is suitable as the dispersant for the hydraulic composition is obtained.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 解决问题的方案为了提供水硬性组合物用分散剂的制造方法,能够稳定地制造能够在工业实用的水平上对水硬性组合物具有优异的分散效果和降粘效果的分散剂 重复性。 解决方案:该方法包括使具有聚氧化烯基的指定单体1与磷酸单酯类单体2和磷酸二酯类单体3共聚,其中将含有单体1,单体2和 在10-50℃下制备单体3,在制备溶液后72小时内开始单体的聚合,同时将混合溶液的温度保持在10-50℃的范围内直到聚合反应 开始,得到适合作为水硬性组合物的分散剂的磷酸酯系聚合物。 版权所有(C)2007,JPO&INPIT
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公开(公告)号:JP2005035872A
公开(公告)日:2005-02-10
申请号:JP2004015596
申请日:2004-01-23
Inventor: SHIROTA KYOICHI , SHIMODA MASARO , YADOKORO YOSHIAKI , MORII YOSHIKAZU , EBARA MASANORI , HAMAI TOSHIMASA , HAMADA DAISUKE
IPC: C04B24/32 , C04B24/00 , C04B24/02 , C04B24/26 , C04B24/42 , C04B28/02 , C08K5/521 , C08L33/14 , C08L71/00
CPC classification number: C04B28/02 , C04B24/243 , C04B2103/408 , C04B24/246
Abstract: PROBLEM TO BE SOLVED: To provide an additive for a hydraulic composition imparting an excellent viscosity reducing effect to the hydraulic composition, for example, composed of a slurry of water and a hydraulic powder and good workability when it is used as an aqueous solution. SOLUTION: The additive for the hydraulic composition comprises a phosphoric acid monoester having a specific group such as an alkyl ether group or its salt (monoester) and a phosphoric acid diester having a specific group such as an alkyl ether group or its salt (diester) at a weight ratio of monoester/(monoester+diester)=0.4-0.95 (the diester includes a pyrophosphate). COPYRIGHT: (C)2005,JPO&NCIPI
Abstract translation: 要解决的问题:提供一种用于水硬性组合物的添加剂,其对水硬性组合物具有优异的降粘效果,例如由水和水硬性粉末的浆料组成,并且当用作水性时具有良好的可加工性 解。 解决方案:用于水硬性组合物的添加剂包括具有特定基团的磷酸单酯如烷基醚基团或其盐(单酯)和具有特定基团的磷酸二酯如烷基醚基团或其盐 (二酯)以单酯/(单酯+二酯)= 0.4-0.95的重量比(二酯包括焦磷酸酯)。 版权所有(C)2005,JPO&NCIPI
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公开(公告)号:JP2003335566A
公开(公告)日:2003-11-25
申请号:JP2003064847
申请日:2003-03-11
Inventor: HAMADA DAISUKE , YAMATO FUJIO , SHIMODA MASARO
CPC classification number: C04B24/2647 , C04B24/165 , C04B28/02 , C04B40/0039 , C04B2103/308 , C04B2103/408 , C04B2103/46 , C08F220/06 , C08F290/062 , C08F2220/286 , C08F220/28 , C04B24/06
Abstract: PROBLEM TO BE SOLVED: To provide a method for improving fluidity (dispersibility) and flowage retentivity (dispersion retentivity) excellent to a hydraulic composition without being affected by changes of a hydraulic powder such as cement, and a liquid admixture for the hydraulic composition with excellent preservation stability which can be used for the method. SOLUTION: The flowage retentivity of the hydraulic composition is improved by adding at least one kind of a polycarboxylic acid dispersant (1) comprising a polymer in which a ratio of the carboxylic acid monomer is >30 wt.% and at least one kind of the polycarboxylic acid dispersant (2) comprising the polymer in which the ratio of the carboxylic acid monomer is ≤30 wt.% to a hydraulic slurry containing water with sulfate ion concentration of ≥2,500 mg/kg and ≤40,000 mg/kg at an aqueous solution part and the hydraulic powder. COPYRIGHT: (C)2004,JPO
Abstract translation: 要解决的问题:提供一种改善水硬性组合物优异的流动性(分散性)和流动保持性(分散保持性)的方法,而不受水泥粉末如水泥的变化的影响,以及用于液压的液体混合物 具有优良保存稳定性的组合物,可用于该方法。 解决方案:通过加入至少一种包含聚合物的多元羧酸分散剂(1),其中羧酸单体的比例> 30重量%和至少一个的聚合物,水硬性组合物的流动保持性得到改善 含有羧酸单体的比例≤30重量%的聚羧酸分散剂(2)与含有硫酸根离子浓度≥2,500mg/ kg且≤40,000mg/ kg的水的水硬性浆料 水溶液部分和水硬性粉末。 版权所有(C)2004,JPO
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公开(公告)号:JP2002003258A
公开(公告)日:2002-01-09
申请号:JP2000186309
申请日:2000-06-21
Applicant: KAO CORP
Inventor: SHIBA DAISUKE , SATO HARUYUKI , KONO YOSHINAO , TSUJI AKITOSHI , SHIMODA MASARO
IPC: C04B24/26 , C04B103/40 , C08F290/06
Abstract: PROBLEM TO BE SOLVED: To offer a cement dispersing agent, useful for various concrete production conditions, showing the effect of decreasing the viscosity of a cement composition especially in low W/C, or the like. SOLUTION: The cement dispersing agent which contains a copolymer mixture (A) obtained by copolymerizing a specific monomer (A1) of the ethylene unsaturated carboxylic acid derivative or the like having a polyoxyalkylane group and a specific monomer (A2) of (meth)acrylic acid or the like and by giving a change of the mol ratio (A1)/(A2) at least 1 time in the middle of the reaction, and also contains a copolymer mixture (B) obtained by copolymerizing a specific monomer (B1) of a ethylene unsaturated carbonyl derivative or the like having a polyoxyalkylane group and the specific monomer (B2) of (meth)acrylic acid or the like.
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公开(公告)号:JPH0812399A
公开(公告)日:1996-01-16
申请号:JP15483994
申请日:1994-07-06
Applicant: KAO CORP
Inventor: YAMATO FUJIO , SHIMODA MASARO , KITAGAWA KAZUE
IPC: C04B24/16 , C04B24/26 , C04B24/42 , C04B103/32 , C04B103/50
Abstract: PURPOSE:To lower concrete viscosity, to decrease surface bubbles and to improve compaction by allowing an admixture composition to consist of a copolymer obtained by polymerizing a specific monomer and a monomer selected between two kinds of compounds and a defoaming agent. CONSTITUTION:A copolymer A having the weight-average molecular weight of 3000-1000000 is obtained by polymerizing the monomer (a) expressed by formula I and one or more kinds of the monomers selected from the compounds expressed by formulas II and III in the mol ratio of (a)/(b)=0.1/100-100/100. The copolymer A and the defoaming agent B such as dimethyl polysiloxane are blended in the ratio (weight ratio of solid matter) of A/B=100/0.01-5.0. In the formula I, each of R1 and R2 is hydrogen or methyl, m1 is 0-2, AO is a 2-3C oxyalkylene, (n) is 110-300, X is H or a 1-3C alkyl. In the formulas II and III, each of R3-R5 is H, methyl or (CH2)m2COOM2, R6 is H or methyl, each of M1, M2 and Y is H, an alkali metal, alkaline earth metal, ammonium, an alkylammonium or a substituted alkyl ammonium and m2 is 0-2.
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公开(公告)号:JPH0633512B2
公开(公告)日:1994-05-02
申请号:JP27054186
申请日:1986-11-13
Applicant: KAO CORP
Inventor: YAMAMOTO JUZO , KITAZAWA KOZO , HASEGAWA NORIO , SHIMODA MASARO
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