Microcapsules
    8.
    发明授权
    Microcapsules 失效
    微胶囊

    公开(公告)号:US06818296B1

    公开(公告)日:2004-11-16

    申请号:US10018731

    申请日:2002-04-04

    IPC分类号: B32B2700

    摘要: A microcapsule having a mean diameter of from about 0.1 to about 5 mm, a membrane and a matrix containing at least one active principle wherein the microcapsule is the product of the process comprising the steps of (a) forming an aqueous matrix by heating an aqueous solution comprised of a gel former, a chitosan and active principle; (b) forming a dispersed matrix by adding the aqueous matrix in an oil phase; (c) contacting the dispersed matrix with an aqueous solution of an anionic polymer selected from the group consisting of a salt of alginic acid and an anionic chitosan derivative.

    摘要翻译: 具有约0.1至约5mm平均直径的微胶囊,含有至少一种活性成分的膜和基质,其中所述微胶囊是该方法的产物,该方法包括以下步骤:(a)通过加热水性基质 溶液由凝胶成型剂,壳聚糖和活性成分组成; (b)通过将水性基质加入油相中形成分散的基质; (c)使分散的基质与选自藻酸和阴离子壳聚糖衍生物的盐的阴离子聚合物的水溶液接触。