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One paper was published online in Polymer
发布者: 井新利 | 2021-07-12

      Recently, one paper titled as “Fully recyclable and high performance phenolic resin based on dynamic urethane bonds and its application in self-repairable composites” was published online in Polymer, which co-authored by Xiaoqin Liu, Yu Li, Xiaolong Xing, Guanjun Zhang, Xinli Jing.

      A fully recyclable phenolic resin (TDNR) with dynamic cross-linked network was facilely prepared without any catalyst using commercial novolac and toluene diisocyanate by forming hindered urethane bonds. The exchangeable network of TDNR ensures good processibility for long fiber prepregs, which are suitable for hand molding and reshape of composites. By utilizing a simple chemistry mechanism, the close-loop recycle of phenolic resin with high working temperature and good mechanical properties are successfully achieved.

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RGFP的一篇论文在Polymer上在线发表​​​​​​​

日前,RGFP的一篇论文在Elsevier旗下的学术期刊Polymer上在线出版,论文的题目为“Fully recyclable and high performance phenolic resin based on dynamic urethane bonds and its application in self-repairable composites”。论文的作者为刘晓琴(硕士生)、李瑜副教授、行小龙(博士生)、张冠军教授和井新利教授。

本论文以工业酚醛和甲苯二异氰酸酯为原料,通过形成受阻氨基甲酸酯键,制备了一种具有动态交联网络的完全可再生酚醛树脂(TDNR)。可再生TDNR的动态交联网络保证了长纤维预浸料良好的加工性能,适合于复合材料的手工成型和重塑,实现了高服役温度和良好力学性能的酚醛树脂的闭环回收。(撰稿:王  镇;校对:行小龙)