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    • 41. 发明申请
    • SELF-COALESCING LATEX
    • 自我评估
    • WO2012158703A1
    • 2012-11-22
    • PCT/US2012/037963
    • 2012-05-15
    • BENJAMIN MOORE & CO.GHARAPETIAN, HrireTILARA, NavinSHEERIN, Robert
    • GHARAPETIAN, HrireTILARA, NavinSHEERIN, Robert
    • C08K5/00C09D175/04
    • C08L33/12C09D133/00C09D133/12
    • Self-coalescing latexes that incorporate film forming polymers that are low molecular weight polymers that are compatible with the latex and act as thin plasticizers penetrating through the remainder of the latex particle and aiding in the coalescence of the remaining polymers. The self-coalescing latex is a sequentially polymerized polymer having at least a core, a shell and a skin. The film forming polymers are formed of monomers substantially the same as the monomers of the shell but having average weighted molecular weights substantially less than the polymers of the shell. The method of polymerizing the self-coalescing latex results from the addition of a substantial amount of chain transfer agent to a remaining portion, about 15% or less, of the monomer pre-emulsion prior to polymerization. Paint compositions incorporate the self-coalescing latexes that are substantially free of coalescing agents or aids.
    • 自聚合胶乳,其结合成膜聚合物,其是与胶乳相容的低分子量聚合物,并且用作穿透剩余的胶乳颗粒并有助于其余聚合物聚结的薄增塑剂。 自聚结胶乳是至少具有核心,壳和皮肤的顺序聚合的聚合物。 成膜聚合物由与壳单体基本相同的单体形成,但具有基本上小于壳的聚合物的平均加权分子量。 聚合自聚结胶乳的方法是由于在聚合之前将大量的链转移剂添加到约15%或更少的单体预乳液的剩余部分中。 涂料组合物包含基本上不含聚结剂或助剂的自聚结胶乳。
    • 42. 发明申请
    • SELF-PRIMING COLOR FOUNDATION FINISHES
    • 自我提炼彩色基金会
    • WO2010033918A1
    • 2010-03-25
    • PCT/US2009/057690
    • 2009-09-21
    • BENJAMIN MOORE & CO.YANG, YongSHAVEL, Luz, ClarenaASIF, MohammadSHEERIN, Robert
    • YANG, YongSHAVEL, Luz, ClarenaASIF, MohammadSHEERIN, Robert
    • C08J5/18
    • C09D5/002B05D7/54C09D5/028
    • Paint systems, in accordance with exemplary embodiments, of the present invention include a foundation base component and a top coat component. The foundation base component is tinted to match the top coat component to provide both the desired amount of hiding of colors or markings on the substrate to which the paint system is applied, and to enhance the brightness and hue of the color of the paint system. Furthermore, in another innovative aspect of the present invention, the foundation base component comprises at least one low molecular weight polymer that undergoes self-crosslinking at ambient conditions during and after paint drying. The low molecular weight polymer penetrates various substrates, including chalky surfaces, to provide improved adhesion. Moreover, because the low molecular weight polymer is self-crosslinking at ambient conditions, the polymer enhances the performance of dried paints, including improving mechanical strength, tannin block properties, and weatherability.
    • 根据本发明的示例性实施例的涂漆系统包括基础底座部件和顶部涂层部件。 基础部件被着色以匹配顶部涂层部件以在施加涂料系统的基底上提供所需量的颜色或标记的隐藏,并且增强涂料系统的颜色的亮度和色调。 此外,在本发明的另一创新方面,基础成分包含至少一种低分子量聚合物,其在涂料干燥期间和之后在环境条件下经历自交联。 低分子量聚合物渗透各种底物,包括白垩表面,以提供改善的粘附力。 此外,由于低分子量聚合物在环境条件下是自交联的,所以聚合物增强了干漆的性能,包括提高机械强度,单宁阻挡性能和耐候性。
    • 49. 发明申请
    • HYDROXYETHYL CELLULOSE GRAFTED ACRYLIC LATEX
    • 羟丙基纤维素接枝丙烯酸酯
    • WO2013043579A1
    • 2013-03-28
    • PCT/US2012/055883
    • 2012-09-18
    • BENJAMIN MOORE & CO.COLUMBIA INSURANCE COMPANY
    • C09D101/00
    • C08K3/20C08B11/08C08B11/20C08F6/006C08F8/10C08F251/02C08L1/08C08L1/284C09D151/02C08F220/18C08F212/08C08F220/06C08F220/56C08L51/02
    • The present invention relates to latex compositions comprising hydroxyethyl cellulose grafted acrylic polymer emulsions and methods for preparing same without gelling or coagulation. The latex composition comprises at least about 0.2 % of HEC by weight relative to the monomer weight, contains at least about 45% solid, and the average mean volume (mV) latex particle size is in the range of about 320- about 850 nm. Paint compositions incorporating the HEC grafted acrylic latex show high viscosity at static conditions and have no color flow and no syneresis compared paints containing a latex without HEC grafting. The present invention also relates to a cross-linking mechanism that cross-links latex particles at ambient conditions. This cross-linking mechanism comprises diacetone acrylamide (DAAM) and methacrylamide (MAM) with or without styrene.
    • 本发明涉及包含羟乙基纤维素接枝的丙烯酸聚合物乳液的胶乳组合物及其制备方法而不凝胶化或凝结。 胶乳组合物相对于单体重量包含至少约0.2重量%的HEC,含有至少约45%的固体,平均体积(mV)胶乳粒度在约320-约850nm的范围内。 掺入HEC接枝丙烯酸胶乳的涂料组合物在静态条件下显示出高粘度,并且没有颜色流动,没有脱水收缩比较含有没有HEC接枝的胶乳的涂料。 本发明还涉及在环境条件下交联胶乳颗粒的交联机理。 该交联机理包括具有或不具有苯乙烯的双丙酮丙烯酰胺(DAAM)和甲基丙烯酰胺(MAM)。