Method for producing benzoxazine resin
    3.
    发明授权
    Method for producing benzoxazine resin 有权
    苯并恶嗪树脂的制备方法

    公开(公告)号:US07041772B2

    公开(公告)日:2006-05-09

    申请号:US10471204

    申请日:2002-03-12

    IPC分类号: C08G14/04

    CPC分类号: C08G14/06

    摘要: The present invention discloses a process for producing a benzoxazine resin which comprises the steps of reacting a phenol compound, an aldehyde compound and a primary amine in the presence of an organic solvent to synthesize a benzoxazine resin and removing generated condensation water and the organic solvent from a system under heating and a reduced pressure, wherein a pressure in the reaction system at the time of removal is set to 260 mmHg or higher.

    摘要翻译: 本发明公开了一种苯并恶嗪树脂的制造方法,其特征在于,在有机溶剂的存在下,使酚化合物,醛化合物和伯胺反应,合成苯并恶嗪树脂,除去生成的冷凝水和有机溶剂 在加热和减压下的系统,其中在除去时反应体系中的压力设定为260mmHg以上。