PRODUCTION OF NAPHTHALENESULFONIC ACID

    公开(公告)号:JPH01106857A

    公开(公告)日:1989-04-24

    申请号:JP26585887

    申请日:1987-10-21

    Applicant: KAO CORP

    Abstract: PURPOSE:To obtain the titled compound useful as a raw material for naphthol or raw material for intermediate of azo dye, in high purity at a low cost while suppressing the production of by-products, by sulfonating naphthalene with concentrated sulfuric acid in the presence of a super-strong acid. CONSTITUTION:The objective naphthalenesulfonic acid is produced by sulfonating naphthalene with concentrated sulfuric acid in the presence of a catalyst consisting of a super-strong acid, preferably a solid super-strong acid consisting of a fluorinated sulfonic acid resin. The amount of the super-strong acid added to the system is 0.01-5wt.%, preferably 0.1-2wt.% based on the total weight of the naphthalene and the sulfonation agent. A condensation product of naphthalenesulfonic acid and formalin can be produced by condensing the sulfonated product with formalin and the product is useful as an adjuvant for cement, coal, pigment, dye and photographic film.

    Water-reducing agent for hydraulic composition
    34.
    发明专利
    Water-reducing agent for hydraulic composition 有权
    减水剂用于液压组合物

    公开(公告)号:JP2010059045A

    公开(公告)日:2010-03-18

    申请号:JP2009183231

    申请日:2009-08-06

    CPC classification number: C04B24/226 C04B2103/302 C08G16/0237

    Abstract: PROBLEM TO BE SOLVED: To provide a naphthalene-based water-reducing agent capable of giving outstanding flow retention effectiveness and strength development effectiveness for a hydraulic composition.
    SOLUTION: The water-reducing agent for a hydraulic composition includes a naphthalenesulfonic acid-formaldehyde condensate which has a weight average molecular weight of 1,900-24,000 as determined by GPC and in which the peak area of a molecular weight of 4,000 or below as determined by GPC is 17 to 38% of the whole peak area as determined thereby.
    COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种能够赋予液压组合物优异的流动保持效果和强度显影效果的萘系减水剂。 解决方案:用于水硬性组合物的减水剂包括通过GPC测定的重均分子量为1900-24,000的萘磺酸 - 甲醛缩合物,其中分子量为4,000或更低的峰面积 通过GPC测定,由此确定的峰面积的17〜38%。 版权所有(C)2010,JPO&INPIT

    Hydraulic composition
    35.
    发明专利
    Hydraulic composition 有权
    液压组合物

    公开(公告)号:JP2010037130A

    公开(公告)日:2010-02-18

    申请号:JP2008200927

    申请日:2008-08-04

    Abstract: PROBLEM TO BE SOLVED: To provide a hydraulic composition which can suppress blackening generated in the skin face of a hardened body in a blend system more containing black particle components.
    SOLUTION: The hydraulic composition comprises: a polymer (A) composed of a structural unit including the structural unit derived from a monomer expressed by formula (1): H
    2 C=CHCOOCH
    2 CH
    2 OH by ≥70 wt.%; a formaldehyde naphthalenesulfonate condensate (B); hydraulic powder (C); powder (X) containing black fine powder; fine aggregate; coarse aggregate; and water, and in which the ratio between the hydraulic powder (C) and the powder (X) containing black fine powder satisfies (C)/(X)=95/5 to 20/80 (by volume ratio), and the content of the polymer (A) to 100 pts.wt. total of the hydraulic powder (C) and the powder (X) containing black fine powder is 0.02 to 0.3 pts.wt.
    COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种水硬性组合物,其可以抑制更多含有黑色颗粒组分的共混体系中的硬化体的皮肤表面产生的黑化。 水溶液组合物包含:由包含由式(1)表示的单体衍生的结构单元的结构单元组成的聚合物(A):H SB 2 C = CHCOOCH SB < 2 2 OH≥70重量%; 甲醛萘磺酸盐缩合物(B); 水硬粉(C); 粉末(X)含黑色细粉; 细骨料 粗骨料 和水,其中水硬性粉末(C)和含有黑色细粉末的粉末(X)的比例满足(C)/(X)= 95/5〜20/80(体积比),含量 的聚合物(A)至100重量份 水硬性粉末(C)和含有黑色细粉末的粉末(X)的总和为0.02〜0.3重量份。 版权所有(C)2010,JPO&INPIT

    Dispersant for hydraulic composition
    36.
    发明专利
    Dispersant for hydraulic composition 有权
    液压组合物的分散剂

    公开(公告)号:JP2010024130A

    公开(公告)日:2010-02-04

    申请号:JP2009140994

    申请日:2009-06-12

    Abstract: PROBLEM TO BE SOLVED: To provide a dispersant for hydraulic composition capable of suppressing reduction of dispersibility and increase of viscosity with passage of time to improve the workability, also available as an easy to handle product form. SOLUTION: The dispersant for hydraulic composition contains a polymer (A) of which at least 70 wt.% of the constituent monomer is expressed by formula (1): H 2 C=CHCOOCH 2 CH 2 OH and a naphthalenesulfonic acid formaldehyde condensate (B). COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:为了提供能够抑制分散性的降低和通过时间的粘度增加的水硬性组合物分散剂,以提高加工性,也可以作为易于处理的产品形式提供。 解决方案:用于水硬性组合物的分散剂包含聚合物(A),其中至少70重量%的构成单体由式(1)表示:H 2 = CHCOOCH 2 2 OH和萘磺酸甲醛缩合物(B)。 版权所有(C)2010,JPO&INPIT

    FOAMING AGENT COMPOSITION FOR HYDRAULIC COMPOSITION

    公开(公告)号:JP2006342012A

    公开(公告)日:2006-12-21

    申请号:JP2005168034

    申请日:2005-06-08

    Applicant: KAO CORP

    Abstract: PROBLEM TO BE SOLVED: To provide a foaming agent for a hydraulic composition, particularly a foaming agent composition capable of obtaining a hydraulic composition having stable foam effective to reduce the weight of paste, slurry, mortar, concrete, or the like containing cement, plaster, or the like as a hydraulic material. SOLUTION: A foaming agent composition for a hydraulic composition comprising an anion surfactant and a cationic polymer is present when the hydraulic composition is produced. Stability of foam introduced into the hydraulic composition is remarkably improved. The foaming composition is particularly useful for various hydraulic compositions such as a light-weight hydraulic composition because it can stabilize foam while maintaining flowability of the hydraulic composition. COPYRIGHT: (C)2007,JPO&INPIT

    Dispersant for gypsum slurry
    38.
    发明专利
    Dispersant for gypsum slurry 有权
    用于糖浆的分配

    公开(公告)号:JP2003020262A

    公开(公告)日:2003-01-24

    申请号:JP2001201276

    申请日:2001-07-02

    Abstract: PROBLEM TO BE SOLVED: To obtain a dispersant for a gypsum slurry which makes it possible to manufacturing the gypsum slurry having a good flow property and well assuring the stability of froth by rapidly mixing gypsum and kneading water and to provide a method for manufacturing the gypsum slurry and a gypsum board using such dispersant.
    SOLUTION: The dispersant for the gypsum slurry contains ≥ kind of a water-soluble polymer selected from the group consisting of a naphthalene sulfonate formaldehyde condensate, a melamine sulfonate formaldehyde condensate and a polyalkylene glycol (meth)acrylate copolymer, and alkyl sulfate salt, in which the solid content weight ratio (water-soluble polymer/alkyl sulfate salt) of the water-soluble polymer and the alkyl sulfate salt is 97/3 to 50/50, the gypsum slurry contains the dispersant for the gypsum slurry described above, water and gypsum, and the method for manufacturing the gypsum board has a process step of preparing the gypsum slurry by mixing the kneading water contg, the dispersant for gypsum slurry, the gypsum and froth and manufacturing the gypsum board by using the resultant gypsum slurry.
    COPYRIGHT: (C)2003,JPO

    Abstract translation: 要解决的问题:为了获得石膏浆料的分散剂,其可以制造具有良好流动性的石膏浆料,并通过快速混合石膏和捏合水确保泡沫的稳定性,并提供制造石膏的方法 浆料和使用这种分散剂的石膏板。 解决方案:石膏浆料的分散剂含有选自萘磺酸甲醛缩合物,三聚氰胺磺酸盐甲醛缩合物和聚亚烷基二醇(甲基)丙烯酸酯共聚物的水溶性聚合物和烷基硫酸盐, 其中水溶性聚合物和烷基硫酸盐的固体成分重量比(水溶性聚合物/烷基硫酸盐)为97/3〜50/50,石膏浆料含有上述石膏浆料用分散剂, 水和石膏,并且制造石膏板的方法具有通过使用所得到的石膏浆料混合捏合水,石膏浆的分散剂,石膏和泡沫并制造石膏板来制备石膏浆料的工艺步骤。

    ADMIXTURE FOR CONCRETE
    39.
    发明专利

    公开(公告)号:JPH06100345A

    公开(公告)日:1994-04-12

    申请号:JP24923792

    申请日:1992-09-18

    Applicant: KAO CORP

    Abstract: PURPOSE:To reduce air bubbles by mixing a copolymer synthesized through polymerization of plural monomers each represented by a specified formula and/or its metal salt and a compound of a specified formula as the essential components. CONSTITUTION:A copolymer having 1000 to 1000000 weight-average molecular weight and/or its metal salt is obtained by polymerizing 10 to 99wt.% unsaturated bond-containing polyalkylene glycol monoester-based monomer represented by formula I [R3 to R4 are each H, methyl, (CH2)m2CO2M3, formula II, etc.] and 90 to 1wt.% acrylic acid-and/or unsaturated dicarboxylic acid-based monomer represented by formula III or IV (AO is a 2 to 3C oxyalkylene; R5 and R8 are each H or methyl; R6 to R7 and R9 to R10 are each H, methyl, (CH2)m7 CO2M5; (m1 to m7) is each 0 to 2; (n1 to n5) is each 3 to 500; M3 and M5 are each H, a univalent metal, etc.; M4 and M6 are a divalent metal; X1 to X5 is each H or a 1 to 3C alkyl]. As admixtures for concrete, the resultant copolymer and a compound represented by formula V (R1 to R2 are each H or a 8 to 18C alkyl; M1 to M2 are each an alkaline metal) are blended with cement respectively in an amount of 0,05 to 0.5wt.% and 0.0025 to 0.1wt.%.

    CEMENT ADMIXTURE
    40.
    发明专利

    公开(公告)号:JPH054845A

    公开(公告)日:1993-01-14

    申请号:JP16973991

    申请日:1991-07-10

    Applicant: KAO CORP

    Abstract: PURPOSE:To improve slump loss by using a cement admixture containing a co-condensate prepared by subjecting plural compound shown by specific general formulas and an amino-based polymerization terminator to addition co- condensation with formaldehyde. CONSTITUTION:Given amounts of compounds shown by formula I and formula II (R1 and R2 are 1-6C straight-chain or branched-chain alkyl; X is alkali metal) and an amino-based polymerization terminator shown by formula III, IV, V or VI (X2 and X3 are H, 1-3C alkyl, carboxyl, sulfone or alkali metal; Z1 is H, 1-3C alkyl, -CH2SO3M1 and M1 and M2 are H or alkali metal) are weighed, mixed with water and adjusted to proper concentration and pH. The solution is heated to about 80-90 deg.C, to which 0. 7-5 times as much formalin calculated as formaldehyde as the whole monomer is dripped. The compounds are subjected to addition co-condensation at pH 3-12 for a given time while stirring to give a co-condensate having 1,000-50,000 molecular weight. The co-condensate is used alone as a cement admixture or together with another admixture and mixed with cement.

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