【摘要】 介绍了苯并嗪中间体的国内外研究概况。着重介绍了国内近年来在苯并嗪中间体合成、树脂固化反应研究和产品应用开发等方面取得的进展。更多还原

【Abstract】 In this article,a new kind of phenolic resin polymerized by ring-opening reaction of benzoxazines was ineroduced.The progress in some aspects of preparation methods of benzoxazines in solid or solution,ring-opening polymerization mechanism of benzoxa-zines,Properties and applications of glass-cloth laminates and automobile braking materials based on benzoxazines,and prospets for further development were reviewed.更多还原