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    • 7. 发明申请
    • RHEOLOGY MODIFIERS FOR MODIFYING THE RHEOLOGICAL BEHAVIOUR OF COATING COMPOSITIONS
    • 用于改性涂料组合物的流变行为的流变学改性剂
    • US20140004368A1
    • 2014-01-02
    • US14017648
    • 2013-09-04
    • BASF SE
    • Tamal GhoshMalcolm SkinnerTiina LuttikheddeCeline HossenloppLaurent Brauge
    • C09D133/26C08F220/56C08L33/26C08F120/56
    • C09D133/26C08F120/56C08F220/06C08F220/56C08L33/26C09D5/04Y10T428/31935
    • The present invention provides rheology modifiers, which are water-soluble polymers having a weight average molecular weight (Mw) of at least 1′000′000 g/mol and an intrinsic viscosity of at least 2.5 dl/g, both as determined by size exclusion chromatography, and wherein the water-soluble polymers are in the form of solid particles. It also provides mixtures of rheology modifiers comprising a first rheology modifier, which is a water-soluble polymer having a weight average molecular weight (Mw) of at least 1′000′000 g/mol and an intrinsic viscosity of at least 2.5 dl/g, both as determined by size exclusion chromatography, and a second rheology modifier, which has a weight average molecular weight of from 2′000 g/mol to 800′000 g/mol. It also provides coating composition containing the rheology modifiers, respectively, mixtures of rheology modifiers, a process for their preparation, a process for coating a substrate using these coating compositions and substrates coated with these coating compositions.
    • 本发明提供流变改性剂,其是重均分子量(Mw)至少为1'000'000g / mol且特性粘度至少为2.5dl / g的水溶性聚合物,均由尺寸 排阻色谱法,其中水溶性聚合物是固体颗粒的形式。 它还提供流变改性剂的混合物,其包含第一流变改性剂,其是重均分子量(Mw)为至少1'000'000g / mol且特性粘度至少为2.5dl / g的水溶性聚合物, g,均通过尺寸排阻色谱法测定,和第二流变改性剂,其重均分子量为2'000g / mol至800'000g / mol。 它还提供含有流变改性剂的涂料组合物,分别是流变改性剂的混合物,其制备方法,使用这些涂料组合物涂布基材的方法和用这些涂料组合物涂布的基材。