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    • 2. 发明授权
    • Microcapsule and method of making the same
    • 微胶囊及其制作方法
    • US06391288B1
    • 2002-05-21
    • US09625504
    • 2000-07-26
    • Kazuyuki MiyazawaIsamu KanedaToshio Yanaki
    • Kazuyuki MiyazawaIsamu KanedaToshio Yanaki
    • A61K742
    • A61Q19/00A61K8/0208A61K8/0212A61K8/11A61K8/73A61K9/5036A61K2800/28A61K2800/412A61Q1/02A61Q1/06A61Q1/08A61Q15/00A61Q17/04Y10S514/844Y10S514/937
    • A microcapsule of the present invention is characterized in that it encapsulate oil droplets having average particle size of 0.01 to 3 &mgr;m and its capsulating agent is a hydrophilic polymer gelling agent. The main component of the capsulating agent is preferably a hydrophilic polymer gelling agent which hardens by heating and cooling, and, in particular, agar or carrageenan. In the making method of the present invention, a microcapsule can be made efficiently due to no loss in the inner oil phase, and its particle size can easily be controlled. The microcapsule is excellent in shearing-resistance, store stability. Also, if the fracture strength of the microcapsule is within a specific range, a microcapsule which releasing characteristic of encapsulated oil droplets when applied is immediately-, gradually- or non-releasing can be obtained. Further, when such a hydrophilic microcapsule is coated, the contraction in air, dispersibility to various medium, and elusion of encapsulated components in medium can be also improved.
    • 本发明的微胶囊的特征在于,其包封平均粒度为0.01〜3μm的油滴,其包封剂为亲水性聚合物胶凝剂。 封装剂的主要成分优选为通过加热和冷却而硬化的亲水性聚合物胶凝剂,特别是琼脂或角叉菜胶。 在本发明的制造方法中,由于内部油相中没有损失,可以有效地制造微胶囊,并且可以容易地控制其粒径。 该微胶囊具有优异的抗剪切性,稳定性。 此外,如果微胶囊的断裂强度在特定范围内,则可以获得当施加时封装油滴的特性释放的微胶囊即时,逐渐或不释放。 此外,当涂布这样的亲水性微胶囊时,也可以提高空气中的收缩,各种介质的分散性和包封成分在培养基中的脱落。
    • 7. 发明授权
    • Copolymer containing reactive silyl groups, composition containing the same and method of treatment with the same
    • 含有反应性甲硅烷基的共聚物,含有相同的组成和与之相同的处理方法
    • US06326011B1
    • 2001-12-04
    • US09230582
    • 1999-01-28
    • Kazuyuki MiyazawaToshio YanakiFumiaki Matsuzaki
    • Kazuyuki MiyazawaToshio YanakiFumiaki Matsuzaki
    • A61K600
    • A copolymer having silyl groups with at least one reactive functional group bonded thereto. The copolymer comprises a monomer (A) shown by the following Formula (I): wherein R1 is hydrogen atom or methyl; R2 is alkylene group having 1-6 carbon atoms; and R3, R4 and R5 each is a reactive functional group which can cross-link molecules of the copolymer by hydrolyzing. Further, the copolymer preferably comprises, as a constituent monomer, an alkyl (meth)acrylate and a siloxane-containing (meth)acrylate. A coating-forming method comprises hydrolyzing the composition on a material to be treated to cross-link molecules of the copolymer when on the material. A coating of the cross-linked copolymer has resistance to washing. This coating can modify the nature of hair, improve make-up retention, and provide skin-protecting. It can impart water-repellency, resistance to fouling, suitability as a sizing and crease resistance to fibers. Further, it can improve a skin-cleaning effect, applicability, strippability and coating-strength of a peeling-off type cosmetic pack.
    • 具有与其键合有至少一个反应性官能团的甲硅烷基的共聚物。 共聚物包含由下式(I)表示的单体(A):其中R 1 是氢原子或甲基; R 2 是具有1-6个碳原子的亚烷基; 和R 3 ,R 4 和R 5 各自是可通过水解将共聚物分子交联的反应性官能团。 此外,共聚物优选包含(甲基)丙烯酸烷基酯和含硅氧烷的(甲基)丙烯酸酯作为构成单体。 涂覆形成方法包括在待处理的材料上水解组合物以在材料上交联共聚物的分子。 交联共聚物的涂层具有耐洗涤性。 这种涂层可以改变头发的性质,改善补妆保持性,并提供皮肤保护。 它可以赋予防水性,耐污垢性,适合性作为纤维的上胶和抗折皱性。 此外,它可以改善剥离型化妆品包装的皮肤清洁效果,适用性,剥离性和涂布强度。