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    • 4. 发明专利
    • LIGHTWEIGHT INORGANIC LEVELING MATERIAL
    • JPH10218650A
    • 1998-08-18
    • JP2288997
    • 1997-02-05
    • TAISEI CORPSANSO KAGAKU KK
    • TANAKA HIDEOTAKEDA KAZUHISAMIDORIKAWA MASAYUKIIWAZAWA SHINHIRAISHI SHINYA
    • C04B28/00C04B28/02
    • PROBLEM TO BE SOLVED: To obtain a lightweight inorganic leveling material capable of improving drying rate after execution by subjecting a mixture of inorganic hydraulic powder with fine silica sand and an admixture to dry blending with baked pulp sludge and an inorganic thickener, kneading the blend and adding and mixing water with the kneaded product. SOLUTION: This lightweight inorganic leveling material is obtained by compounding 100 pts.wt. cement-based inorganic hydraulic power with 100-30 pts.wt. fine silica sand and 0.5-4.0 pts.wt. powdery cement dispersing agent as an admixture to afford a mixture and subjecting the mixture to dry blending with inorganic hydraulic powder and baked pulp sludge having 1.3-1.4 specific gravity in absolute dry condition and used in an amount of 5-25 pts.wt. based on 100 pts.wt. inorganic hydraulic powder, 0.5-1.0 pts.wt. inorganic thickener obtained by granulating natural hormite mineral with water and, as necessary, 0.5-1.0 pts.wt. linen fiber and/or vinylon fiber having about 3mm length, kneading the resultant blend and adding and mixing the kneaded material with 54-72 pts.wt. water. Thereby, the surface part of the concrete bed, the base, etc., is made smooth and can be prevented from surface roughness.
    • 5. 发明专利
    • Concrete admixture for air content adjustment
    • 用于空气内容调整的混凝土结构
    • JP2010037179A
    • 2010-02-18
    • JP2008224094
    • 2008-08-05
    • Sanso Kagaku Kk山宗化学株式会社
    • MITOMI SATOSHIMIDORIKAWA MASAYUKI
    • C04B24/32C04B103/30C08L71/02
    • C04B24/32C04B2103/304
    • PROBLEM TO BE SOLVED: To provide a concrete admixture capable of stably maintaining the air content and excellent in adjustment ability of the air content in a case wherein the air content of fresh concrete is gradually increasing.
      SOLUTION: The concrete admixture for adjusting the air content includes two kinds of different polyalkylene glycol-based compounds represented by the following general formula (1) R
      1 -O-(EO)
      n -(AO)
      m -R
      2 (wherein R
      1 and R
      2 represent each independently one kind or two kinds or more selected from hydrogen atom, an alkyl group, an alkenyl group, an aryl group and an alkanoyl group of 1-8 carbon atoms, EO represents an ethyleneoxy group, AO represents an alkyleneoxy group of 3 or 4 carbon atoms, n represents an average added mole number of ethylene oxide, and m represents an average added mole number of alkylene oxide of 3 or 4 carbon atoms; the general formula (1) is expressed for convenience as a block addition product of ethylene oxide and alkylene oxide, but it may be either form of a block addition product or a random addition product).
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供在新鲜混凝土的空气含量逐渐增加的情况下能够稳定地保持空气含量和优异的空气含量调节能力的混凝土外加剂。 解决方案:用于调节空气含量的混凝土外加剂包括由以下通式(1)表示的两种不同的聚亚烷基二醇类化合物:R -O-(EO) (AO) -R SB 2(其中R SB 1和/或SB 2代表每个 独立地选自1-8个碳原子的氢原子,烷基,烯基,芳基和烷酰基中的一种或两种以上,EO表示乙烯氧基,AO表示3或4的亚烷基氧基 碳原子,n表示环氧乙烷的平均加成摩尔数,m表示3或4个碳原子的环氧烷烃的平均加成摩尔数;为了方便起见,通式(1)表示为环氧乙烷的嵌段加成产物 和烯化氧,但它可以是嵌段加成产物或无规加成产物的形式)。 版权所有(C)2010,JPO&INPIT