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    • 7. 发明公开
    • 고산성 수성 나노복합체 분산물
    • 水性纳米复合物分散体:方法,组合物及其用途
    • KR1020030040476A
    • 2003-05-22
    • KR1020037004060
    • 2001-09-17
    • 롬 앤드 하스 캄파니
    • 로라데니스폴슬론로버트빅터
    • C08F2/44B82B3/00
    • B82Y30/00C08F2/00C08F2/44C08F265/06C08F292/00C08K9/04C08K9/08C08K2201/011
    • The present invention is directed to, in part, polymer clay nanocomposites having an acid containing monomer and clay. In one embodiment, there is provided a process for preparing an aqueous polymer clay nanocomposite dispersion, wherein the process comprises: providing an aqueous dispersion comprising at least one clay, optionally at least one ethylenically unsaturated monomer, and optionally at least one surfactant; providing a monomer mixture comprising at least 10 % by weight of an acid containing monomer within the monomer mixture and optionally a surfactant; mixing the aqueous dispersion and the monomer mixture; and polymerising the monomer to form the nanocomposite dispersion wherein the clay is at least partially exfoliated within the nanocomposite dispersion. The present invention also relates to the use of these compositions such as thickeners, dispersants, plastics additives, adhesives, coatings, flexographic inks, overprint varnishes, and dry cement powder modifiers.
    • 本发明部分地涉及具有含酸单体和粘土的聚合物粘土纳米复合材料。 在一个实施方案中,提供了一种制备水性聚合物粘土纳米复合物分散体的方法,其中所述方法包括:提供包含至少一种粘土,任选至少一种烯属不饱和单体和任选的至少一种表面活性剂的水分散体; 提供在单体混合物和任选的表面活性剂中包含至少10重量%的含酸单体的单体混合物; 混合水分散体和单体混合物; 并聚合单体以形成纳米复合物分散体,其中粘土至少部分地在纳米复合物分散体内剥离。 本发明还涉及这些组合物如增稠剂,分散剂,塑料添加剂,粘合剂,涂料,柔性版油墨,套印清漆和干燥水泥粉末改性剂的用途。