【摘要】 从结构改性、改性剂改性两方面讨论了酚醛树脂的改性研究进展,分析了各种方法的改性机理、优缺点、应用现状和开发前景。指出改性剂改性比结构改性工艺简单、适用面广,是一个颇具前景的研究方向。更多还原

【Abstract】 Research on two types of modification approaches, i.e. structural modification and additive modification, is discussed and the function mechanisms, merits and limits, application level and prospects of the approaches are presented. The additive modification is simpler, wider in applicability and more perspective than the structural modification.更多还原