氟化FPPU和无氟对照物BPPU的分子设计和综合性能 (IMAGE) Science China Press Caption (a)FPPU和BPPU的化学结构。(b)FPPU的设计思路。氟的拉电子效应在促进酚-氨基甲酸酯键的可逆解离反应的同时,能够增强聚合物链间π-π堆积作用;氟的高自由体积效应能够提高分子链段的运动能力。(c)FPPU和代表性弹性体的性能对比。 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.