会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 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。
    • 8. 发明授权
    • Anti-shrinkage agent for hydraulic material
    • 液压材料抗收缩剂
    • US06384141B2
    • 2002-05-07
    • US09749619
    • 2000-12-28
    • Tsuyoshi HirataKoichiro Nagare
    • Tsuyoshi HirataKoichiro Nagare
    • C08L7102
    • C04B24/2647C04B24/267C04B24/2694C04B2111/34
    • The present invention is related to a shrinkage reducing agent for hydraulic materials which comprises at least one polymer selected from the group consisting of (a) a polymer having a structure derived from the residue of a compound containing 2 to 30 carbon atoms and one active hydrogen atom by the binding thereto of one oxyalkylene chain having a carboxyl-containing side chain, (b) a polymer having a structure derived from the residue of a compound containing 4 to 30 carbon atoms and two active hydrogen atoms by the binding thereto of at least one oxyalkylene chain having a carboxyl-containing side chain, (c) a polymer having a structure derived from the residue of a compound containing 1 to 30 carbon atoms and at least three active hydrogen atoms by the binding thereto of at least one oxyalkylene chain having a carboxyl-containing side chain and (d) a polymer having a structure derived from the residue of an amine by the binding thereto one oxyalkylene chain having a carboxyl-containing side chain.
    • 本发明涉及用于水硬性材料的减缩剂,其包含至少一种选自以下的聚合物:(a)具有衍生自含有2至30个碳原子的化合物的残基的结构的聚合物和一种活性氢 具有含羧基侧链的一个氧化烯链的结合的原子,(b)具有至少与含有羧基侧链结合的含有4至30个碳原子的化合物的残基的结构的聚合物和两个活性氢原子 一个具有含羧基的侧链的氧化烯链,(c)具有衍生自含有1至30个碳原子和至少3个活性氢原子的化合物的残基的结构的聚合物与至少一个具有羧基侧链的氧化烯链的结合, 含羧基侧链和(d)具有通过与一个具有羧基含量的氧化烯链结合而衍生自胺残基的结构的聚合物 g侧链。