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    • 4. 发明授权
    • Microcapsules
    • 微胶囊
    • US07572397B2
    • 2009-08-11
    • US10302996
    • 2002-11-25
    • Ekkehard JahnsHans-Juergen DenuJoachim PakuschHorst Seibert
    • Ekkehard JahnsHans-Juergen DenuJoachim PakuschHorst Seibert
    • B31J13/18A61K9/14
    • E04C2/043B01J13/185Y10T428/2984
    • Microcapsules comprising one or more lipophilic substances as core material and a polymer as capsule shell, which are obtainable by free-radical polymerization of an oil-in-water emulsion comprising from 30 to 100% by weight, based on the total weight of the monomers, of one or more C1-C24-alkyl esters of acrylic and/or methacrylic acid (monomer I), from 0 to 80% by weight, based on the total weight of the monomers, of a bifunctional or polyfunctional monomer (monomers II) which is insoluble or sparingly soluble in water and from 0 to 40% by weight, based on the total weight of the monomers, of other monomers (monomers III), the lipophilic substance and solid inorganic particles having a mean particle size of from 45 to 1000 nm, and a process for producing them are described. They can be used in binding building materials, textiles and gypsum plasterboard.
    • 包含一种或多种亲脂性物质作为核心材料的微胶囊和作为胶囊壳的聚合物,其可通过包含基于单体总重量的30至100重量%的水包油乳液的自由基聚合而获得 的丙烯酸和/或甲基丙烯酸(单体I)的一种或多种C 1 -C 24烷基酯,基于单体总重量的0至80重量%的双官能或多官能单体(单体II) 基于单体的总重量,其它单体(单体III)为不溶性或微溶于水和0〜40重量%,所述亲油性物质和固体无机颗粒的平均粒径为45〜 1000nm,其制造方法进行说明。 它们可用于装订建筑材料,纺织品和石膏板。