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41. 发明专利

JP2000034153A CEMENT-BASED SELF-LEVELING COMPOSITION 失效
公开(公告)号：JP2000034153A
公开(公告)日：2000-02-02
申请号：JP20478098
申请日：1998-07-21
申请人： TAIHEIYO CEMENT CORP
发明人： HAYASHI HIROSHI , TSUKADA KAZUHISA , ISOMURA HIROTAKA , SOEDA KOICHI
IPC分类号： C04B28/00 , C04B24/28 , C04B103/40 , C04B103/44 , C04B103/50 , C04B111/62
摘要： PROBLEM TO BE SOLVED: To obtain a cement-based self-leveling composition having a high flowability-retaining effect by compounding a binder, a fine aggregate and a cement dispersing agent comprising a polycarboxylic acid-based high molecular compound or a cement dispersing agent comprising a polycarboxylic acid-based high molecular compound and one or more kinds of compounds selected from a polyalkylene glycol and a 8-22C fatty acid. SOLUTION: This cement-based self-leveling composition comprises 100 pts.wt. of a binder such as a cement, 30-300 pts.wt. of a fine aggregate and 0.01-5 pts.wt. of a cement-dispersing agent. The cement dispersing agent is selected from a powdery material obtained by drying and pulverizing a mixture comprising a polycarboxylic acid-based high molecular compound having constituting units of formula I and constituting units of formula II in amounts of 40-80 mol.% and 1-45 mol.wt., respectively, and water, or a powdery material containing particles comprising a polycarboxylic acid-based high molecular compound having a polyalkylene glycol chain, and one or more kinds of compounds selected from a polyalkylene glycol and a 8-22C fatty acid. In the formulas, R1-R3 are each hydrogen or methyl; R4 is a 1-3C alkyl; M is hydrogen, an alkali metal or the like; Y is CH2O or the like; and (n) is 20-109.

42. 发明专利

JP2000026145A POWDERY CEMENT DISPERSANT AND ITS PRODUCTION 失效
公开(公告)号：JP2000026145A
公开(公告)日：2000-01-25
申请号：JP19178698
申请日：1998-07-07
申请人： TAIHEIYO CEMENT CORP
发明人： TSUKADA KAZUHISA , HAYASHI HIROSHI , ISOMURA HIROTAKA , SOEDA KOICHI , ISHIMORI MASAKI , MATSUHISA MASATO , KANEDA YOSHIHISA
IPC分类号： B01F17/52 , C04B24/26 , C04B28/02 , C04B103/40 , C08F290/06 , C08J3/12
摘要： PROBLEM TO BE SOLVED: To obtain a powdery cement dispersant excellent in handlability and capable of producing a cement compsn. excellent in flowability by concentrating a mixture contg. a (meth)acrylate type cement dispersant having specified constituent units and water, kneading and mixing the concd. mixture and converting it into dry powder. SOLUTION: A (meth)acrylate type cement dispersant contg. about 40-80 mol.% constituent units of formula I and about 1-45 mol.% constituent units of formula II in one molecule and having a number average mol. wt. of about 2,000-50,000 is prepd. (In the formulae I and II, R1-R3 are each H or methyl, R4 is 1-3C alkyl, M is H, an alkali metal, an alkaline earth metal, ammonium or an org. amine, Y is -CH2O- or -COO- and (n) is 20-109.) A mixture contg. the dispersant and water or further contg. about 0.1-30 pts.wt. inorg. powder is converted into dry powder. Preferably the mixture is previously concd. to >=30 deg. hardness and then converted into dry powder under kneading and agitation with >=0.5 kW/m3/r.p.m. horsepower.

43. 发明专利

JPH11310444A POWDER CEMENT DISPERSING AGENT 失效
公开(公告)号：JPH11310444A
公开(公告)日：1999-11-09
申请号：JP11855998
申请日：1998-04-28
申请人： TAIHEIYO CEMENT CORP , TAKEMOTO OIL & FAT CO LTD
发明人： HAYASHI HIROSHI , TSUKADA KAZUHISA , MATSUHISA MASATO , KANEDA YOSHIHISA , ISHIMORI MASAKI , SOEDA KOICHI , YAMADA KAZUO , HONMA KENICHI , HABARA TOSHISUKE , IIDA MASAHIRO , KINOSHITA MITSUO
IPC分类号： C04B22/06 , C04B22/08 , C04B24/26 , C04B24/32 , C04B40/00 , C04B103/40
摘要： PROBLEM TO BE SOLVED: To obtain a powder cement dispersing agent utilizable for a premix product and capable of improving the fluidity of a cement. SOLUTION: This powder cement dispersing agent contains (a) a water-soluble vinyl copolymer having a group COOM (M denotes an alkali metal or the like) and a polyalkylene glycol chain and (b) a compound which is a nitrate, a nitrite, an organic acid salt or a hydroxide of one or more metals selected from alkaline earth metals and transition metals and has >=0.1 (0 deg.C) solubility in water. The weight ratio of the components (a)/(b) is (10/90) to (90/10).

44. 发明专利

JP2011051835A Method for manufacturing high purity calcium carbonate 审中-公开
标题翻译：制造高纯度碳酸钙的方法
公开(公告)号：JP2011051835A
公开(公告)日：2011-03-17
申请号：JP2009202313
申请日：2009-09-02
申请人： Taiheiyo Cement Corp , 太平洋セメント株式会社
发明人： TSUKADA KAZUHISA
IPC分类号： C01F11/18
摘要： PROBLEM TO BE SOLVED: To provide a high purity calcium carbonate containing a small amount of strontium at low cost. SOLUTION: The method for manufacturing high purity calcium carbonate includes: the step of generating slaked lime slurry by contacting quick lime, having at most 200 sec. of an activation degree tu-80 of quick lime (particle diameter of under 3.35 mm) tested by the temperature release by slaking (DIN EN 459-2:2001) with water; the step of separating the water phase containing impurities and slaked lime in the slaked lime slurry; the step of removing precipitation by dissolving separated slaked lime in an aqueous solution of ammonium chloride and/or ammonium nitrate; and the step of precipitating calcium carbonate by contacting a filtrate liquid obtained by removing the precipitation with a carbonate salt or a carbon dioxide. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：以低成本提供含有少量锶的高纯度碳酸钙。解决方案：制造高纯度碳酸钙的方法包括：通过接触至多200秒的生石灰生成熟石灰浆料的步骤。通过用水消除温度（DIN EN 459-2：2001）测试的生石灰活化度tu-80（粒径小于3.35mm）; 在熟石灰浆中分离含有杂质和消石灰的水相的步骤; 通过将分离的熟石灰溶解在氯化铵和/或硝酸铵的水溶液中来除去沉淀的步骤; 以及通过使通过除去沉淀而获得的滤液与碳酸盐或二氧化碳接触来沉淀碳酸钙的步骤。版权所有（C）2011，JPO＆INPIT

45. 发明专利

JP2011051834A Method of producing high purity vaterite-type spherical calcium carbonate 审中-公开
标题翻译：生产高纯度VATERITE型球形碳酸钙的方法
公开(公告)号：JP2011051834A
公开(公告)日：2011-03-17
申请号：JP2009202312
申请日：2009-09-02
申请人： Taiheiyo Cement Corp , 太平洋セメント株式会社
发明人： KOJIMA YOSHIYUKI , TSUKADA KAZUHISA
IPC分类号： C01F11/18
摘要： PROBLEM TO BE SOLVED: To provide a method of producing vaterite-type spherical calcium carbonate having spherical shape, small particle diameter and high purity.
SOLUTION: In a method of synthesizing the vaterite-type calcium carbonate by carbonating CaCl
2 or Ca(NO
3 )
2 in an aqueous solution, in a solid-liquid separating step after reaction, the solid is cleaned with lower alcohol or di-lower alkyl ketone and dried to produce the vaterite-type spherical calcium carbonate having ≥3N purity. The vaterite-type spherical calcium carbonate is also produced by the method.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：提供一种球形球形碳酸钙球形粒径小，纯度高的方法。解决方案：在一种通过将CaCl 2 SB 2或Ca（NO 3 SB 3）SB 2 2 / SBS碳酸化来合成球霰石型碳酸钙的方法中，水溶液，在反应后的固液分离步骤中，固体用低级醇或二低级烷基酮清洗，干燥，得到纯度≥3N的球霰石型球形碳酸钙。球霰石型球形碳酸钙也是通过该方法制备的。版权所有（C）2011，JPO＆INPIT

46. 发明专利

JP2007091541A Admixture for cement based composition and cement based composition containing the same 审中-公开
标题翻译：用于基于水泥的组合物和基于水泥的组合物的混合物
公开(公告)号：JP2007091541A
公开(公告)日：2007-04-12
申请号：JP2005284221
申请日：2005-09-29
申请人： Shin Etsu Chem Co Ltd , Taiheiyo Cement Corp , Taiheiyo Material Kk , 信越化学工業株式会社 , 太平洋セメント株式会社 , 太平洋マテリアル株式会社
发明人： NAKANISHI HIROSHI , TSUKADA KAZUHISA , KANDA SHUNICHI , TACHIKAWA NORIHISA , OSAWA YOSHITO , YAMAMOTO AKIRA
IPC分类号： C04B24/42 , C04B24/32 , C04B28/02 , C04B103/60 , C04B103/65
摘要： PROBLEM TO BE SOLVED: To provide an admixture for a cement based composition which facilitates control of bubbles when being added into a normal temperature curing type cement based composition, is uniformly dispersed, gives a hardened body having high strength and excellent water repellency and improved durability such as water absorption prevention, salt infiltration blocking and salinity infiltration prevention and is suitable for normal temperature curing and the cement based composition in which the admixture is blended, and a cement based composition with the admixture blended therein. SOLUTION: The admixture for the cement based composition comprises an organopolysiloxane emulsion as an active ingredient which is composed of (A) an organopolysiloxane expressed by formula (1) (in the frmula, each of R and R' expresses an alkyl group, (y) is an integer which makes the number of the alkyl group R correspond to 5-50 mol% of the total number of substituents directly bonded to Si atoms within a molecule, (z) is 0-5 and 3≤x+y+z≤300), (B) an anionic surfactant expressed by formula (2) and/or (3), where (2) is P-O-(C 2 H4 4 O) a (C 3 H 6 O) b -SO 3 Na and (3) is P-O-(C 2 H 4 O) a (C 3 H 6 O) b -SO 3 - -NH 4 + (in the formula, P expresses an alkyl group or an alkylphenyl group, (a) expresses an integer of 1-15 and (b) is an integer of 0-15) and (C) water. By using the admixture in cement paste, mortar or the concrete hardened body produced by normal temperature curing, particularly the water repellency is remarkably improved without deteriorating the durability and the characteristics are stably and uniformly developed. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：待解决的问题：为了提供在添加到常温固化型水泥基组合物中时有助于控制气泡的水泥基组合物的混合物均匀分散，得到具有高强度和优异的防水性的硬化体提高耐水性，耐盐浸性，防止盐浸等耐久性，适用于常温固化，混合有混合剂的水泥基组合物和混合有混合物的水泥基组合物。解决方案：水泥基组合物的混合物包含作为活性成分的有机聚硅氧烷乳液，其由（A）由式（1）表示的有机聚硅氧烷（在弗氏体中，R和R'各自表示烷基），（y）是使烷基R的数量相对于分子内与Si原子直接键合的取代基的总数的5-50摩尔％的整数，（z）为0〜5和3≤x+ y +z≤300），（B）由式（2）和/或（3）表示的阴离子表面活性剂，其中（2）为PO-（C H 2 S 4） SB> O）一（C 3 ħ 6 O） b'/ SB> -SO 3 Na和（3）是PO-（C 2 4 SB> 6 O） b'/ SB> -SO 3 - -NH 4 + < / SP>（式中，P表示烷基或烷基苯基，（a）表示1-15的整数，（b）为0〜15的整数）和（C）水。通过在水泥糊，砂浆或通过常温固化生产的混凝土硬化体中使用混合物，特别是防水性显着提高而不劣化耐久性，并且特性稳定均匀地显影。版权所有（C）2007，JPO＆INPIT

47. 发明专利

JP2005219404A Manufacturing process of high strength spun concrete shaped body 审中-公开
标题翻译：高强度混凝土结构体的制造工艺
公开(公告)号：JP2005219404A
公开(公告)日：2005-08-18
申请号：JP2004031096
申请日：2004-02-06
申请人： Taiheiyo Cement Corp , 太平洋セメント株式会社
发明人： FUKUDA YASUAKI , TSUKADA KAZUHISA
IPC分类号： C04B24/26 , B28B1/20 , C04B28/02
CPC分类号： Y02W30/94
摘要： PROBLEM TO BE SOLVED: To provide an industrially beneficial manufacturing process by which high strength spun concrete shaped bodies are easily manufactured without necessitating special facilities such as an autoclave. SOLUTION: The manufacturing process of the high strength spun concrete shaped bodies comprises blending a polycarboxylic acid-based powdery cement dispersing agent in an amount of 0.02-0.4 wt.% reduced by the solid content of the polycarboxylic acid-based polymer compound to 400-600 kg/m 3 of unit cement content composed mainly of a high early strength or an ultra high early strength portland cement, setting a water cement ratio at ≤32%, shaping the concrete material and subjecting it to atmospheric pressure steam curing. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种工业上有利的制造方法，其中容易制造高强度纺丝混凝土成形体，而不需要特殊设备如高压釜。解决方案：高强度纺丝混凝土体体的制造方法包括以多元羧酸类高分子化合物的固体成分将0.02〜0.4重量％的多元羧酸系粉末状水泥分散剂混合，以高强度早期强度或超高强度硅酸盐水泥为主要成分的单位水泥含量为400-600 kg / m 3，水泥比为≤32％，成型混凝土材料，使其经受大气压蒸汽养护。版权所有（C）2005，JPO＆NCIPI

48. 发明专利

JP2004299953A Method for producing powdery cement dispersant 审中-公开
标题翻译：生产粉末水泥分散剂的方法
公开(公告)号：JP2004299953A
公开(公告)日：2004-10-28
申请号：JP2003093656
申请日：2003-03-31
申请人： Taiheiyo Cement Corp , 太平洋セメント株式会社
发明人： TSUKADA KAZUHISA , KANEDA YOSHIHISA , ISHIMORI MASAKI
IPC分类号： C04B22/10 , C04B22/14 , C04B24/26 , C04B103/40 , C08F220/06 , C08F228/02
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a difficultly agglomerable powdery cement dispersant.
SOLUTION: The powdery cement dispersant is produced by synthesizing an inorganic carrier in an aqueous solution of the following cement dispersant (A) and drying the aqueous solution to form a powder. Component A is a water-soluble vinyl copolymer comprising 40 to 85 mol% at least one member (component A1) selected from an olefinmonocarboxylic acid and a salt thereof and 15 to 60 mol% at least one member (component A2) selected from an alkoxypolyethylene glycol (meth)acrylate and a (meth)allylsulfonate, and 0 to 5 mol % at least one member (component A3) selected from an alkyl (meth)acrylate and a hydroxyalkyl (meth)acrylate (the total being 100 mol%) and having a number-average molecular weight of 2,000 to 50,000.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：提供一种生产难凝结的粉末状水泥分散剂的方法。解决方案：通过在以下水泥分散剂（A）的水溶液中合成无机载体并干燥水溶液形成粉末来制备粉状水泥分散剂。成分A是含有40〜85摩尔％的至少一种选自烯烃单羧酸及其盐的成分（成分A1）和15〜60摩尔％的选自烷氧基聚乙烯的成分（成分A2）的水溶性乙烯基共聚物乙烯基（甲基）丙烯酸酯和（甲基）丙烯酸磺酸酯，和0〜5摩尔％的选自（甲基）丙烯酸烷基酯和（甲基）丙烯酸羟烷基酯（至少为100摩尔％）的至少一种成分（成分A3）数均分子量为2,000〜50,000。版权所有（C）2005，JPO＆NCIPI

49. 发明专利

JP2004203689A Cement composition 审中-公开
公开(公告)号：JP2004203689A
公开(公告)日：2004-07-22
申请号：JP2002376113
申请日：2002-12-26
申请人： Taiheiyo Cement Corp , Takemoto Oil & Fat Co Ltd , 太平洋セメント株式会社 , 竹本油脂株式会社
发明人： KANEDA YOSHIHISA , TSUKADA KAZUHISA , ISHIMORI MASAKI , KINOSHITA MITSUO , OKADA KAZUHISA , KAMOTO SOJI
IPC分类号： C04B28/02 , C04B24/26 , C04B103/40 , C04B111/70 , C08F220/06
摘要： PROBLEM TO BE SOLVED: To provide a cement composition capable of obtaining a high flowability by a brief kneading operation in the range where water/cement ratio is small.
SOLUTION: The cement composition is composed of (A) cement, (B) fine aggregate and (C) a dried and powdered dispersant composed of a water soluble vinyl copolymer which has 40-80 mol% structural unit A expressed by formula (1), 0.5-20 mol% structural unit B expressed by formula (2), 2-40 mol% structural unit C expressed by formula (3) and 0.2-15 mol% structural unit D expressed by formula (4) (100 mol% in total) and has weight average molecular weight of 15,000-100,000 and (weight average molecular weight )/(number average molecular weight) ratio of 2-7 [in the formulas, X expresses SO
3 M
2 or -O-C
6 H
4 -SO
3 M
3 (M
2 and M
3 expresses alkali metal or the like), A expresses a residual group in which hydroxy group is removed from polyether diol having oxyalkylene unit repeating number of 5-109 and M
1 expresses H, alkali metal or the like]. The cement composition is kneaded with water so as to have water/cement ratio of ≥15% to

50. 发明专利

JP2003277112A Method for producing powdery cement dispersant 审中-公开
标题翻译：生产粉末水泥分散剂的方法
公开(公告)号：JP2003277112A
公开(公告)日：2003-10-02
申请号：JP2002081298
申请日：2002-03-22
申请人： Taiheiyo Cement Corp , Takemoto Oil & Fat Co Ltd , 太平洋セメント株式会社 , 竹本油脂株式会社
发明人： TSUKADA KAZUHISA , ISHIMORI MASAKI , KINOSHITA MITSUO , KAMOTO SOJI
IPC分类号： C04B24/26 , C04B103/40 , C08F220/04 , C08F220/26 , C08F228/02
摘要： PROBLEM TO BE SOLVED: To obtain a powdery dispersant at a high recovery ratio without lowering its dispersion performance.
SOLUTION: In the method for producing the powdery dispersant, an aqueous solution containing the following A component in 5 to 40 mass% is introduced into a spray drier in which a spray apparatus part is provided with a disk atomizer, and is sprayed and dried at a hot air inlet temperature of 150 to 250°C and a hot air outlet temperature of 80 to 150°C: the A component is a water soluble vinyl copolymer containing the following A1 component in 40 to 85 mol%, the A2 component in 15 to 60 mol%, and the A3 component in 0 to 5 mol% (100 mol% in total) and having a number average molecular weight of 2,000 to 50,000: the A1 component is one or more selected from olefin monocarboxylic acid and a salt thereof; the A2 component is one or more selected from alkoxypolyethylene glycol(meth)acrylate and (meth)allylsulfonate; and the A3 component is one or more selected from alkyl (meth)acrylate and hydroxyalkyl(meth)acrylate.
COPYRIGHT: (C)2004,JPO
摘要翻译：待解决的问题：为了在不降低其分散性能的情况下以高回收率获得粉状分散剂。解决方案：在粉末分散剂的制造方法中，将含有5质量％〜40质量％的下述A成分的水溶液导入喷雾干燥器，其中喷雾装置部件设置有盘式雾化器，并喷雾在150〜250℃的热风入口温度和80〜150℃的热风出口温度下干燥：A成分为含有40〜85摩尔％的下述A1成分的水溶性乙烯基系共聚物，A2 成分为15〜60摩尔％，A3成分为0〜5摩尔％（总计100摩尔％），数均分子量为2,000〜50,000：A1成分是选自烯烃单羧酸和其盐; A2组分是选自烷氧基聚乙二醇（甲基）丙烯酸酯和（甲基）烯丙基磺酸酯中的一种或多种; A3成分是选自（甲基）丙烯酸烷基酯和（甲基）丙烯酸羟烷基酯中的一种以上。版权所有（C）2004，JPO

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