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    • 4. 发明授权
    • Statistic comb polymers, method for producing the same and their use
    • 统计梳形聚合物,其制备方法及其用途
    • US08299192B2
    • 2012-10-30
    • US10567260
    • 2004-08-17
    • Alexander KrausGerhard AlbrechtChristian HübschHarald GrasslAngelika Hartl
    • Alexander KrausGerhard AlbrechtChristian HübschHarald GrasslAngelika Hartl
    • C08F16/16
    • C08F220/28C04B24/2647C04B24/267C04B2103/006C08F290/062C08F2438/00
    • Statistic comb polymers obtainable by the radical copolymerization of a vinylic poly(alkylenoxide) compound (A) with an ethylenically unsaturated monomer compound (B) according to the catalytic chain transfer method (CCT). The comb polymers are extremely suitable for hydraulic binder suspensions based on cement, lime, gypsum and anhydrite as they have, for the same dosage, an improved water reducing power over conventional flow agents. The corresponding building material mixtures are characterized by a substantially reduced stickiness and plastic viscosity once said comb polymers are added, which dramatically improves the plasticity of very cement-rich building material mixtures, such as concretes. The building material mixtures using the inventive flow agents have a considerably increased slump flow and an increased shear-thinning behavior as compared to conventional concretes without the tendency to segregate.
    • 通过乙烯基聚(亚烷基氧化物)化合物(A)与烯属不饱和单体化合物(B)根据催化链转移法(CCT)自由基共聚得到的统计梳形聚合物。 梳状聚合物非常适用于基于水泥,石灰,石膏和无水石膏的水硬性粘合剂悬浮液,因为它们具有相同的剂量,比常规流动剂具有更好的减水能力。 相应的建筑材料混合物的特征在于一旦所述梳状聚合物被加入时,其粘度和塑性粘度显着降低,这显着地改善了非常水泥的建筑材料混合物如混凝土的可塑性。 使用本发明的流动剂的建筑材料混合物与常规混凝土相比具有显着增加的坍落度流动和增加的剪切稀化行为,而没有倾向于分离。
    • 8. 发明申请
    • Polycondensation Product Base on Aromatic or Heteroaromatic Compounds, Method for the Production Thereof, and Use Thereof
    • 芳基或杂芳族化合物的缩聚产物,其生产方法及其用途
    • US20080108732A1
    • 2008-05-08
    • US11665424
    • 2005-10-14
    • Philipp WielandAlexander KrausGerhard AlbrechtKerstin BecherHarald Grassl
    • Philipp WielandAlexander KrausGerhard AlbrechtKerstin BecherHarald Grassl
    • C08K3/26
    • C08G12/40C04B24/243C04B24/30C04B24/32C04B2103/30C08G8/28
    • Disclosed is a polycondensation product comprising A) an aromatic or heteroaromatic compound containing 5 to 10 C atoms or heteroatoms, said compound being provided with an average of 1 to 300 oxyethylene groups and/or oxypropylene groups per molecule which are linked to the aromatic or heteroaromatic compound via an O atom or N atom, and optionally B) an aromatic compound selected among the group comprising phenols, phenol ether, naphthols, naphthol ether, anilines, furfuryl alcohols, and/or an aminoplast former selected among the group comprising melamine (derivatives), urea (derivatives), and carboxylic acid amides, and C) an aldehyde selected among the group comprising formaldehyde, glyoxylic acid, and benzaldehyde or mixtures thereof, the benzaldehyde optionally containing acid groups in the form of COOMa, SO3Ma, and PO3Ma, wherein M=H, akali metal or alkaline earth metal, ammonium, or organic amine radicals and a=½, 1, or 2. Surprisingly, the inventive polycondensation product causes very good liquefaction of hydraulic binding agents, e.g. cement, resulting in substantially improved liquefaction of the construction material at a lower dose while pourability can be maintained over a longer period of time as opposed to naphthalene sulfonates or melamine sulfonates.
    • 公开了一种缩聚产物,其包含A)含有5至10个C原子的芳族或杂芳族化合物或杂原子,所述化合物每分子平均提供1至300个氧化乙烯基团和/或氧代丙烯基团,其与芳族或杂芳族化合物 通过O原子或N原子的化合物,以及任选地B)选自苯酚,酚醚,萘酚,萘酚醚,苯胺,糠醇和/或选自三聚氰胺(衍生物) ),脲(衍生物)和羧酸酰胺,和C)选自包括甲醛,乙醛酸和苯甲醛或其混合物的组中的醛,所述苯甲醛任选地含有COOM的形式的酸基, 其中M = H,碱金属或碱土金属,或者其中M = H,碱金属或 碱土金属,铵或有机胺基,a =½,1或2。 令人惊奇的是,本发明的缩聚产物导致非常好的液压粘合剂的液化,例如 水泥,导致较低剂量的建筑材料的液化显着改善,而与萘磺酸盐或三聚氰胺磺酸盐相比,可以在更长的时间内保持可倾倒性。
    • 9. 发明申请
    • Statistic comb polymers, method for producing the same and their use
    • 统计梳形聚合物,其制备方法及其用途
    • US20070043190A1
    • 2007-02-22
    • US10567260
    • 2004-08-17
    • Alexander KrausGerhard AlbrechtChristian HubschHarald GrasslAngelika Hartl
    • Alexander KrausGerhard AlbrechtChristian HubschHarald GrasslAngelika Hartl
    • C08F118/02
    • C08F220/28C04B24/2647C04B24/267C04B2103/006C08F290/062C08F2438/00
    • Statistic comb polymers obtainable by the radical copolymerization of a vinylic poly(alkylenoxide) compound (A) with an ethylenically unsaturated monomer compound (B) according to the catalytic chain transfer method (CCT). The comb polymers are extremely suitable for hydraulic binder suspensions based on cement, lime, gypsum and anhydrite as they have, for the same dosage, an improved water reducing power over conventional flow agents. The corresponding building material mixtures are characterized by a substantially reduced stickiness and plastic viscosity once said comb polymers are added, which dramatically improves the plasticity of very cement-rich building material mixtures, such as concretes. The building material mixtures using the inventive flow agents have a considerably increased slump flow and an increased shear-thinning behavior as compared to conventional concretes without the tendency to segregate.
    • 通过乙烯基聚(亚烷基氧化物)化合物(A)与烯属不饱和单体化合物(B)根据催化链转移法(CCT)自由基共聚得到的统计梳形聚合物。 梳状聚合物非常适用于基于水泥,石灰,石膏和无水石膏的水硬性粘合剂悬浮液,因为它们具有相同的剂量,比常规流动剂具有更好的减水能力。 相应的建筑材料混合物的特征在于一旦所述梳状聚合物被加入时,其粘度和塑性粘度显着降低,这显着地改善了非常水泥的建筑材料混合物如混凝土的可塑性。 使用本发明的流动剂的建筑材料混合物与常规混凝土相比具有显着增加的坍落度流动和增加的剪切稀化行为,而没有倾向于分离。