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    • 6. 发明授权
    • Highly efficient cement dispersants
    • 高效水泥分散剂
    • US6136950A
    • 2000-10-24
    • US935608
    • 1997-09-23
    • Thomas M. Vickers, Jr.Runhai LuLynn E. BrowerSamy M. ShendyRainer Packe-WirthHong Gao
    • Thomas M. Vickers, Jr.Runhai LuLynn E. BrowerSamy M. ShendyRainer Packe-WirthHong Gao
    • B01F17/52C04B24/28C04B24/32C04B103/32C08G69/48C08G73/02C08G73/10C08G69/00C04B24/12C04B24/24
    • C04B24/32C04B24/28C04B24/287C08G69/48C08G73/02C08G73/0233C08G73/028C08G73/1092C04B2103/0051C04B2103/0052C04B2103/0059C04B2103/302C04B2103/408
    • The invention is directed to a polymer dispersant comprising a substituted polyimide or polyamide backbone, having at least some proportion of oligomeric or polymeric grafted side chains including one of amides, esters, and thioesters, having the general formula: wherein X is at least one of hydrogen, an alkali earth metal ion, an alkaline earth metal ion, ammonium ion, and amine; R is at least one of C.sub.1 to C.sub.6 alkyl(ene) ether and mixtures thereof and C.sub.1 to C.sub.6 alkyl(ene) imine and mixtures thereof; Q is at least one of oxygen, nitrogen, and sulfur; p is a number from 1 to about 300 resulting in at least one of a linear and branched side chain; R.sub.1 is at least one of hydrogen, C.sub.1 to C.sub.20 hydrocarbon, and functionalized hydrocarbon containing at least one of --OH, --COOH, a derivative of --COOH, sulfonic acid, a derivative of sulfonic acid, amine, and epoxy; Y is a hydrophobic hydrocarbon or polyalkylene oxide moiety that functions as a defoamer; m, m', m", n, n', and n" are each independently 0 or an integer between 1 and about 20; Z is a moiety containing at least one of i) a compound containing at least one amine and one acid group, ii) two functional groups capable of incorporating into the backbone selected from the group consisting of dianhydrides, dialdehydes, and di-acid chlorides, and iii) a succinimide residue; and wherein a, b, c and d reflect the mole fraction of each unit wherein the sum of a, b, c and d equal one, wherein a, b, c and d are each a decimal of value greater than or equal to zero and less than one, and at least two of a, b, c and d are greater than zero.
    • 本发明涉及包含取代的聚酰亚胺或聚酰胺主链的聚合物分散剂,其具有至少一定比例的低聚或聚合接枝侧链,包括酰胺,酯和硫酯之一,具有以下通式:其中X是 氢,碱土金属离子,碱土金属离子,铵离子和胺; R是C 1至C 6烷基(烯)醚及其混合物中的至少一种和C 1至C 6烷基(烯)亚胺及其混合物; Q是氧,氮和硫中的至少一种; p是1至约300的数,得到直链和支链侧链中的至少一个; R 1是氢,C 1至C 20烃中的至少一种,和包含-OH,-COOH,-COOH衍生物,磺酸,磺酸衍生物,胺和环氧基中的至少一种的官能化烃; Y是用作消泡剂的疏水性烃或聚环氧烷部分; m,m',m“,n,n'和n”各自独立地为0或1至约20的整数; Z是含有至少一个i)含有至少一个胺和一个酸基团的化合物的部分,ii)能够引入到选自二酸酐,二醛和二酸氯化物的主链中的两个官能团, 和iii)琥珀酰亚胺残基; 并且其中a,b,c和d反映每个单元的摩尔分数,其中a,b,c和d的和等于1,其中a,b,c和d各自是大于或等于零的值的十进制数 并且a,b,c和d中的至少两个大于零。
    • 7. 发明授权
    • Oligomeric dispersant
    • 低聚分散剂
    • US06451881B1
    • 2002-09-17
    • US09630021
    • 2000-07-31
    • Thomas M. Vickers, Jr.Ranier Packe-WirthMichael PorschSamy M. ShendyLynn E. BrowerJohn PickettRunhai LuFrank Danko
    • Thomas M. Vickers, Jr.Ranier Packe-WirthMichael PorschSamy M. ShendyLynn E. BrowerJohn PickettRunhai LuFrank Danko
    • C08J510
    • C04B24/243C04B24/006C04B24/161C04B24/2688C04B24/32C04B2103/408C08G65/336C08G2650/50
    • A cementitious formulation comprising a cement and an oligomeric dispersant is provided. The dispersant is a reaction product of two or three moieties. The first moiety (A) is a nonpolymeric, functional moiety that adsorbs onto a particle, and wherein one or more A moieties together contain at least two residues to provide attachment of the dispersant onto a particle to be dispersed. The second required moiety (C) is a linear or branched water soluble, nonionic polymer that provides the dispersing capability. A third moiety (B), if present, is a nonpolymeric moiety disposed between the first and second moiety, to connect the first and second moieties. A method is provided for dispersing a cementitious formulation comprising a cement in water, including providing in said cementitious formulation the above oligomeric dispersant. A combination of any cement dispersant with an oligomeric dispersant wherein at least one A moiety is blocked is also provided in a cementitious formulation and in a method of making such cementitious formulation.
    • 提供了包含水泥和低聚分散剂的水泥配方。 分散剂是两个或三个部分的反应产物。 第一部分(A)是吸附到颗粒上的非聚合的官能部分,并且其中一个或多个A部分一起含有至少两个残基以提供分散剂附着到待分散的颗粒上。 第二个所需部分(C)是提供分散能力的直链或支链水溶性非离子聚合物。 第三部分(B)(如果存在)是设置在第一和第二部分之间的非聚合物部分,以连接第一和第二部分。 提供了一种用于将包含水泥的水泥制剂分散在水中的方法,包括在所述胶结制剂中提供上述低聚分散剂。 任何水泥分散剂与其中至少一个A部分被封闭的低聚分散剂的组合也提供在水泥制剂中以及制备这种水泥制剂的方法中。
    • 9. 发明授权
    • Cementitious dry cast mixture
    • 水泥干混合物
    • US06461425B2
    • 2002-10-08
    • US09847693
    • 2001-05-02
    • Heath BrownJeffrey R. BuryLan HuangRunhai LuJesse OsborneKen SrokaThomas M. Vickers, Jr.
    • Heath BrownJeffrey R. BuryLan HuangRunhai LuJesse OsborneKen SrokaThomas M. Vickers, Jr.
    • C04B2412
    • C04B24/2647C04B24/163C04B24/243C04B24/26C04B24/2641C04B24/2652C04B24/2664C04B24/267C04B24/2688C04B24/2694C04B2103/408C04B2111/00068
    • The present invention is directed to cementitious dry cast mixtures for forming cementitious articles, particularly a cementitious dry cast mixture containing a dispersant, wherein said dispersant is a derivatized polycarboxylate dispersant which is a polymer comprising units derived from at least a substituted carboxylic acid monomer or substituted ethylenically unsaturated monomer, and optionally including at least one of an unsaturated hydrocarbon, an N-polyoxyalkylene maleimide, and a condensation product of an unsubstituted carboxylic acid monomer and an alkoxypolyoxyalkylene primary amine substituted carboxylic acid monomer. The cementitious dry cast mixture has a reduced effective dose of dispersant; compacts and consolidates in response to vibration energy; reduces the cycle time in the production of articles manufactured from dry cast mixtures; provides for increased green strength, density, and early compressive strength; and improves the surface aesthetics of articles manufactured from dry cast mixtures. Additionally, a surface active agent/air entraining agent can be included in combination with the dispersant to provide for increased swipe effect.
    • 本发明涉及用于形成水泥质制品的水泥质干法浇铸混合物,特别是含有分散剂的水泥质干浇注混合物,其中所述分散剂是衍生化的聚羧酸酯分散剂,其是包含衍生自至少取代的羧酸单体或取代的单体的聚合物 烯键式不饱和单体,并且任选地包括不饱和烃,N-聚氧化烯马来酰亚胺和未取代的羧酸单体和烷氧基聚氧化烯伯胺取代的羧酸单体的缩合产物中的至少一种。 水泥质干法浇注混合物的分散剂有效剂量降低; 响应于振动能量紧凑和整合; 减少了由干式混合物制造的制品生产中的循环时间; 提供增加的生坯强度,密度和早期抗压强度; 并且改善了由干式混合物制造的制品的表面美观性。 此外,表面活性剂/加气剂可以与分散剂结合使用以提供增加的擦拭效果。
    • 10. 发明授权
    • Cementitious dry cast mixture
    • 水泥干混合物
    • US06267814B1
    • 2001-07-31
    • US09369562
    • 1999-08-06
    • Jeffrey R. BuryJesse OsborneThomas M. Vickers, Jr.Ken SrokaRunhai LuLan HuangHeath Brown
    • Jeffrey R. BuryJesse OsborneThomas M. Vickers, Jr.Ken SrokaRunhai LuLan HuangHeath Brown
    • C04B2412
    • C04B24/2647C04B24/163C04B24/243C04B24/26C04B24/2641C04B24/2652C04B24/2664C04B24/267C04B24/2688C04B24/2694C04B2103/408C04B2111/00068
    • The present invention is directed to cementitious dry cast mixtures for forming cementitious articles, particularly a cementitious dry cast mixture containing a dispersant, wherein said dispersant is a derivatized polycarboxylate dispersant which is a polymer comprising units derived from at least a substituted carboxylic acid monomer or substituted ethylenically unsaturated monomer, and optionally including at least one of an unsaturated hydrocarbon, an N-polyoxyalkylene maleimide, and a condensation product of an unsubstituted carboxylic acid monomer and an alkoxypolyoxyalkylene primary amine substituted carboxylic acid monomer. The cementitious dry cast mixture has a reduced effective dose of dispersant; compacts and consolidates in response to vibration energy; reduces the cycle time in the production of articles manufactured from dry cast mixtures; provides for increased green strength, density, and early compressive strength; and improves the surface aesthetics of articles manufactured from dry cast mixtures. Additionally, a surface active agent/air entraining agent can be included in combination with the dispersant to provide for increased swipe effect.
    • 本发明涉及用于形成水泥质制品的水泥质干法浇铸混合物,特别是含有分散剂的水泥质干浇注混合物,其中所述分散剂是衍生化的聚羧酸酯分散剂,其是包含衍生自至少取代的羧酸单体或取代的单体的聚合物 烯键式不饱和单体,并且任选地包括不饱和烃,N-聚氧化烯马来酰亚胺和未取代的羧酸单体和烷氧基聚氧化烯伯胺取代的羧酸单体的缩合产物中的至少一种。 水泥质干法浇注混合物的分散剂有效剂量降低; 响应于振动能量紧凑和整合; 减少了由干式混合物制造的制品生产中的循环时间; 提供增加的生坯强度,密度和早期抗压强度; 并且改善了由干式混合物制造的制品的表面美观性。 此外,表面活性剂/加气剂可以与分散剂结合使用以提供增加的擦拭效果。