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    • 11. 发明申请
    • PROCESS FOR PREPARING POLYPHENYLENE ETHER MICROSPORE DISPERSION
    • 制备聚苯乙烯微孔分散体的方法
    • US20160340546A1
    • 2016-11-24
    • US15148050
    • 2016-05-06
    • NAN YA PLASTICS CORPORATION
    • Te-Chao LIAOJung-Jen CHUANGHao-Sheng CHENYi-Cheng LIZhang-Jian HUANG
    • C09D171/12
    • C09D171/12C08G65/46C08G65/485C08L71/12
    • A process for preparing PPE microspore dispersion includes steps of: dissolving a high-molecular polyphenylene ether in a first solvent at 45-110° C. to form a dissolution liquid; adding processing aids and well mixing the dissolution liquid into a dispersed phase; cooling the dissolution liquid to 42-80° C., and adding a second solvent to generate PPE microspores via PPE to wrap around the processing aids; cooling the dissolution liquid to 0-40° C. to obtain PPE microspore dispersions for use in application for impregnation processes performed below 40° C., thereby high-temperature impregnation equipment are no longer needed, and copper clad laminates made of using the PPE microspore dispersion enjoy excellent physical properties including high Tg, low Dk, low Df and high copper foil's peel strength.
    • 制备PPE小球分散体的方法包括以下步骤:在45-110℃下将高分子量聚苯醚溶解在第一溶剂中以形成溶解液; 加入加工助剂并将溶解液充分混合成分散相; 将溶解液冷却至42-80℃,并加入第二溶剂以通过PPE生成PPE小孢子以包裹加工助剂; 将溶解液冷却至0-40℃,得到用于40℃以下进行浸渍处理的PPE小分散体,由此不再需要高温浸渍设备,使用PPE制成的覆铜层压板 小分散体具有高Tg,低Dk,低Df和高铜箔剥离强度等优良的物理性能。