Para-aramid dissolving system and application thereof, aramid diaphragm and preparation method thereof, and aramid ceramic composite diaphragm and preparation method thereof

• Main Authors: ZHUANG ZHI, CHENG YUE, SUN ZHAOWEI, MA YUN, LI WENQIANG, CAO DAWEI, CHEN YONGLE, LIAO CHENBO, ZHOU GUANGGAI, YU SHAOBO, JIANG GUANGXIANG
• Format: Patent
• Language: Chinese; English
• Published: 31.01.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The embodiment of the invention provides a para-aramid dissolution system and application thereof, an aramid diaphragm and a preparation method thereof, and an aramid ceramic composite diaphragm and a preparation method thereof, the para-aramid dissolution system comprises a proton donor, a solvent and a cosolvent, the main component of the solvent is an aprotic strong polar solvent, and the cosolvent comprises strong alkali. By applying the dissolution system of the para-aramid to dissolution of the para-aramid, the problems of large dissolution damage and long dissolution time can be solved. 本申请实施例提供一种对位芳纶的溶解体系及其应用、芳纶隔膜及其制备方法、芳纶陶瓷复合隔膜及其制备方法，其中，对位芳纶的溶解体系包括质子供体、溶剂以及助溶剂，溶剂的主要成分为非质子型强极性溶剂，助溶剂包括强碱。上述对位芳纶的溶解体系在溶解对位芳纶中的应用，能改善溶解损害大、溶解时间长的问题。