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    • 7. 发明申请
    • PARTICULATE COMPOSITION
    • 颗粒组成
    • US20120149265A1
    • 2012-06-14
    • US13381675
    • 2010-06-15
    • Kishor Kumar MistryIan Stuart BigginMark Christopher BaxterMartin Peter Butters
    • Kishor Kumar MistryIan Stuart BigginMark Christopher BaxterMartin Peter Butters
    • B32B5/02C09K5/02
    • C09K5/063Y10T442/20
    • A particulate composition comprising, A) an organic phase change material, B) a water insoluble polymeric matrix comprising, B1) polymeric material containing repeating monomer units formed from i) at least one hydrophobic ethylenically unsaturated monomer(s), and ii) at least one hydrophilic ethylenically unsaturated monomer(s) which provides the polymeric material with pendent functional groups, and, B2) a cross-linking component derived from a cross-linking compound which has reacted with said pendent functional groups of the polymeric material, in which the organic phase change material (A) is distributed as a separate phase throughout the water insoluble polymeric matrix (B). The invention also relates to a process of providing a particulate composition employing the steps, 1) providing an aqueous phase containing dissolved polymeric material which polymeric material contains repeating monomer units of i) at least one hydrophobic ethylenically unsaturated monomer(s), and ii) at least one hydrophilic ethylenically unsaturated monomer(s) which provides the polymeric material with pendent functional groups, 2) emulsifying the organic phase change material into the aqueous phase to form an oil in water emulsion comprising a dispersed phase of organic phase change material and a continuous aqueous phase, 3) introducing a cross-linking compound, 4) subjecting the oil in water emulsion to spray drying to evaporate water and form the particulate composition. The particulate composition can be used in a variety of thermal energy regulation or storage applications in for instance textiles, foamed articles, construction articles and electrical equipment.
    • A)有机相变材料,B)水不溶性聚合物基质,其包含B1)包含由i)至少一种疏水性烯属不饱和单体形成的重复单体单元的聚合物材料,和ii)至少 一种亲水性烯键式不饱和单体,其提供具有侧链官能团的聚合物材料,和B2)衍生自与聚合物材料的所述侧基官能团反应的交联化合物的交联组分,其中 有机相变材料(A)作为单独的相分布在整个水不溶性聚合物基体(B)中。 本发明还涉及使用以下步骤提供颗粒组合物的方法:1)提供含有溶解的聚合物材料的水相,该聚合物材料含有重复单体单元,i)至少一种疏水性烯属不饱和单体,和ii) 提供聚合物材料具有侧链官能团的至少一种亲水性烯属不饱和单体,2)将有机相变材料乳化到水相中以形成水包油乳液,其包含分散相的有机相变材料和 连续水相,3)引入交联化合物,4)将油中的水乳液喷雾干燥以蒸发水并形成颗粒组合物。 颗粒组合物可用于各种热能调节或储存应用中,例如纺织品,泡沫制品,建筑制品和电气设备。