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Synergistic Tuning of Microstructure and Morphology in Carbon Molecular Sieve Hollow Fibers for Propylene/Propane Separation
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2024-09-16 , DOI: 10.1002/anie.202414683
Zhongyun Liu, Yuhe Cao, William J. Koros

Synergistic tuning of CMS microstructure in the dense “skin” and macroscopic morphology of CMS hollow fibers derived from 6FDA : BPDA/DAM polyimide precursors via a pre-pyrolysis sub-Tg thermal oxidative crosslinking strategy enables significantly increased propylene permeance while maintaining adequate propylene/propane selectivity.

中文翻译:


用于丙烯/丙烷分离的碳分子筛中空纤维微观结构和形态的协同调控



通过预热解亚 Tg 热氧化交联策略,对 CMS 中致密“皮肤”中的微观结构和源自 6FDA : BPDA/DAM 聚酰亚胺前体的 CMS 中空纤维的宏观形态进行协同调节,可显著提高丙烯渗透性,同时保持足够的丙烯/丙烷选择性。
更新日期:2024-09-16
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