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    • 5. 发明授权
    • Cement dispersant
    • 水泥分散剂
    • US4870120A
    • 1989-09-26
    • US155220
    • 1988-02-12
    • Tsuneo TsubakimotoHideyuki TaharaHiroya KobayashiTsuyoshi HirataHiroshi Ito
    • Tsuneo TsubakimotoHideyuki TaharaHiroya KobayashiTsuyoshi HirataHiroshi Ito
    • B01F17/52C04B24/16
    • C04B24/16
    • A cement dispersant having as a main component thereof at least one polymer selected from the group consisting of polymers obtained from (A) 0.1 to 100 mol % of a sulfonic acid type monomer represented by the formula I: ##STR1## wherein R stands for hydrogen atom or methyl group, X stands for hydrogen atom, a monovalent metallic atom, a divalent metallic atom, ammonium group, or an organic amine group, A and B independently stand for an alkylene group of 2 to 4 carbon atoms, m stands for 0 or an integer of the value of 1 to 100, and the alkylene oxide group of 2 to 4 carbon atoms in the portion, (AO).sub.m may be bound in any desired sequence, and (B) 99.9 to 0 mol % of other monomer copolymerizable with said sulfonic acid type monomer, and polymers obtained by neutralizing said polymers with an alkaline substance, a cement composition containing the dispersant and a method for dispersing a cement.
    • 一种水泥分散剂,其主要成分为至少一种选自(A)0.1〜100摩尔%的由式I表示的磺酸型单体的聚合物:(I)其中R 代表氢原子或甲基,X代表氢原子,一价金属原子,二价金属原子,铵基团或有机胺基团,A和B独立地表示2至4个碳原子的亚烷基,m 代表0或1至100的整数,并且部分(AO)m中的2至4个碳原子的环氧烷基可以以任何所需的顺序结合,(B)99.9至0mol% 的可与所述磺酸型单体共聚的其它单体,以及通过用碱性物质中和所述聚合物获得的聚合物,含有分散剂的水泥组合物和分散水泥的方法。
    • 6. 发明授权
    • Cement with sulfoalkyacrylate polymers
    • 具有磺基烷基丙烯酸酯聚合物的水泥
    • US5137945A
    • 1992-08-11
    • US517802
    • 1990-05-02
    • Tsuneo TsubakimotoHideyuki TaharaHiroya KobayashiTsuyoshi HirataHiroshi Ito
    • Tsuneo TsubakimotoHideyuki TaharaHiroya KobayashiTsuyoshi HirataHiroshi Ito
    • C04B24/16
    • C04B24/16
    • A cement dispersant having as a main component thereof at least one polymer selected from the group consisting of polymers obtained from (A) 0.1 to 100 mol % of a sulfonic acid type monomer represented by the formula I: ##STR1## wherein R stands for hydrogen atom or methyl group, X stands for hydrogen atom, a monovalent metallic atom, a divalent metallic atom, ammonium group, or an organic amine group, A and B independently stand for an alkylene group of 2 to 4 carbon atoms, m stands for 0 or an integer of the value of 1 to 100, and the alkylene oxide group of 2 to 4 carbon atoms in the portion, (AO).sub.m may be bound in any desired sequence, and (B) 99.9 to 0 mol % of olther monomer copolymerizable with said sulfonic acid type monomer, and polymers obtained by neutralizing said polymers with an alkaline substance, a cement composition containing the dispersant and a method for dispersing a cement.
    • 一种水泥分散剂,其主要成分为至少一种选自(A)0.1〜100摩尔%的由式I表示的磺酸型单体的聚合物:(I)其中R 代表氢原子或甲基,X代表氢原子,一价金属原子,二价金属原子,铵基团或有机胺基团,A和B独立地表示2至4个碳原子的亚烷基,m 代表0或1至100的整数,并且部分(AO)m中的2至4个碳原子的环氧烷基可以以任何所需的顺序结合,(B)99.9至0mol% 可与所述磺酸型单体共聚的醇醚单体和通过用碱性物质中和所述聚合物获得的聚合物,含有分散剂的水泥组合物和分散水泥的方法。
    • 9. 发明授权
    • Cement composition
    • 水泥组成
    • US5925184A
    • 1999-07-20
    • US803759
    • 1997-02-21
    • Tsuyoshi HirataTsutomu YuasaToru UnoKoichiro NagareHideyuki TaharaShogo Iwai
    • Tsuyoshi HirataTsutomu YuasaToru UnoKoichiro NagareHideyuki TaharaShogo Iwai
    • C04B24/26C04B24/32C04B28/02C04B24/04
    • C04B28/02C04B24/2647C04B24/2694C04B2103/308
    • A cement composition excelling in the slump retaining property which comprises at least cement admixture comprising as a main ingredient thereof (I) a copolymer (A) of short-chain polyalkylene glycol (meth)acrylate (a), a long-chain polyalkylene glycol (meth)acrylate (b), a carboxylic acid monomer (c), and a monomer copolymerizable with the monomers mentioned above or a salt of the copolymer (B), (II) a copolymer (A.sub.1) of the monomers (a), (c), and (d) mentioned above or a salt thereof, (III) a mixture of a copolymer (A.sub.1) of the monomers (a), (c), and (d) mentioned above or a salt (B.sub.1) of thereof with a known cement admixture, or (IV) a polycarboxylic acid based polymer (A.sub.3) manifesting to a calcium sulfoaluminate based expansive additive an adsorption ratio of not less than 90% in 5 minutes at room temperature when added in an amount of 0.1% by weight as solids or a salt (B.sub.3) thereof, or (V) a mixture of said polycarboxylic acid polymer with a known cement dispersant; cement; and water.
    • 坍落度保持性优异的水泥组合物至少包括水泥混合物,其包含主要成分(I)短链聚亚烷基二醇(甲基)丙烯酸酯(a)的共聚物(A),长链聚亚烷基二醇( 甲基丙烯酸酯(b),羧酸单体(c)和可与上述单体共聚的单体或共聚物(B),(II)的单体(a)的共聚物(A1) c)和(d)或其盐,(III)上述单体(a),(c)和(d)的共聚物(A1)或其盐(B1)的混合物 使用已知的水泥混合物,或(IV)表示基于硫铝酸钙的膨胀性添加剂的多元羧酸系聚合物(A3),当以0.1%的量加入时,在室温下5分钟内吸附率不小于90% 重量为固体或其盐(B3),或(V)所述多元羧酸聚合物与已知的水泥分散剂的混合物; 水泥; 和水。