Sulfonated side phenyl heteronaphthalene biphenyl copolyether sulfone hollow fiber membrane, its preparation method and application
By adding inorganic salts and small organic molecule additives to the spinning solution, sulfonated side-phenylene naphthalene biphenyl copolyether sulfone hollow fiber membranes were prepared, solving the problem of high cost of existing membrane materials and achieving high water vapor permeability and selectivity at low cost, making them suitable for air dehumidification.
CN122399602APending Publication Date: 2026-07-17DALIAN UNIV OF TECH
View PDF 0 Cites 0 Cited by
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- DALIAN UNIV OF TECH
- Filing Date
- 2026-04-30
- Publication Date
- 2026-07-17
Smart Images
Figure CN122399602A_ABST
Abstract
本发明属于高分子分离膜材料技术领域，具体涉及一种磺化侧苯基杂萘联苯共聚醚砜中空纤维膜及其制备方法和应用，所述磺化侧苯基杂萘联苯共聚醚砜中空纤维膜的原料包括纺丝液和芯液，所述纺丝液包括如下组分：磺化侧苯基杂萘联苯共聚醚砜、无机盐添加剂、有机小分子添加剂和第一有机溶剂，其中，所述磺化侧苯基杂萘联苯共聚醚砜具有如式（1）所示的结构：（1）。本发明提供的磺化侧苯基杂萘联苯共聚醚砜中空纤维膜同时具有优异的水蒸气渗透性和水蒸气 / 氮气选择性，与全氟磺酸树脂相比，该中空纤维膜的成本较低。
Need to check novelty before this filing date? Find Prior Art