发明授权
US4079113A Method for the preparation of fibers or films from phenolic resins 失效
从酚醛树脂制备纤维或薄膜的方法

Method for the preparation of fibers or films from phenolic resins
摘要:
Fibers or films with high mechanical strengths are produced from novolacs which are obtained by reaction of resols with phenols under neutral or acidic conditions.
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