高强度机械性能碱性阴离子交换复合膜、制备及应用

• Format: Patent
• Language: Chinese
• Published: 26.09.2017
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; BASIC ELECTRIC ELEMENTS; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; COMPOSITIONS BASED THEREON; ELECTRICITY; GENERAL PROCESSES OF COMPOUNDING; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

本发明涉及种具有高强度机械性能的碱性阴离子交换复合膜的制备及其应用，其组分包括：低分子量含氧基水溶性聚乙烯醇和含有季铵基团的水溶性氯化-1-乙烯基-3-甲基-1H-咪唑与1-乙烯基-2-吡咯烷酮的聚合物。其制备方法为：将含氧基水溶性PVA和含有季铵基团的分别溶于去离子水中，得到均混合溶液；然后真空抽滤，将虑液倒入塑料培养皿中，自然干燥后得到聚合物膜；将聚合物膜经热物理交联，再经化学交联，最后浸置于KOH溶液中进行离子交换即可。本发明的制备方法不仅原料易得、成本低、无污染，且反应条件温和、反应时间短，具有工艺简单、实用，可操控性强等优点，易于规模化生产。