聚芳醚酮可纺性和结构优化的研究进展  

Research Progress of Poly(aryl ether ketone)on Spinnability and Structure Optimization

作　　者：董大林 宾月珍[1] 蹇锡高[1,2] Da-lin Dong;Yue-zhen Bin;Xi-gao Jian(Department of Polymer Materials,Dalian University of Technology;Liaoning Province Engineering Technology Center of High Performance Resins,Dalian 116024)

机构地区：[1]大连理工大学高分子材料系 [2]辽宁省高性能树脂工程技术研究中心,大连116024

出　　处：《高分子学报》2020年第12期1321-1334,I0002,共15页Acta Polymerica Sinica

基　　金：国家自然科学基金(基金号21374014,U1663226)资助项目.

摘　　要：聚芳醚酮作为特种工程塑料,具有优异的耐热性、耐候性、耐溶剂性以及机械强度高等特点.本文综述了无定型聚芳醚酮以及结晶型聚芳醚酮纤维制备的研究现状以及基于可纺性的聚合物结构优化的研究进展.在物理改性方面,通过将聚芳醚酮与无机润滑剂、热致液晶聚酯以及热致液晶聚芳醚酮共混,聚合物合金的加工性能以及聚合物纤维的机械性能均得到提升.在化学改性方面,通过磺化、氯甲基化、开环聚合、多元共聚、液晶基元的引入、不同侧基的引入、扭曲非共平面结构的引入以及热致液晶聚酯的引入等手段,聚合物的加工手段得到丰富,聚合物的溶解能力以及聚合物纳米纤维膜的离子传导能力得到提升.借助化学改性,聚芳醚酮纳米纤维膜在燃料电池离子交换膜等新兴领域的应用得到拓展.在相应领域,无定型聚芳醚酮以及结晶型聚芳醚酮的结构与性能仍有较大的提升潜力.As a kind of special engineering plastics,poly(aryl ether ketone)has excellent comprehensive properties,making poly(aryl ather ketone)have broad application prospects in many fields.Research progress of poly(aryl ether ketone)fibers and structure optimization of poly(aryl ether ketone)on spinnability are introduced from amorphous poly(aryl ether ketone)and crystalline poly(aryl ether ketone).There are some differences in solubility,processing methods,aggregation structure and application fields between amorphous poly(aryl ether ketone)and crystalline poly(aryl ether ketone)fibers.At present,more studies have been done on crystalline poly(aryl ether ketone)fibers than on amorphous poly(aryl ether ketone)fibers.In terms of physical modification,poly(aryl ether ketone)blends with inorganic lubricants,thermotropic liquid crystalline polyester and thermotropic liquid crystalline poly(aryl ether ketone).Processability of the blend and mechanical properties of the fibers are improved significantly.In terms of chemical modification,poly(aryl ether ketone)is modified by sulfonation,chloromethylation,ring opening polymerization,multicomponent copolymerization,introduction of mesogenic units or different side groups,introduction of twisted non-coplanar structure and introduction of thermotropic liquid crystalline polyester.Processing methods of poly(aryl ether ketone)are expanded and the solubility of poly(aryl ether ketone)is improved.Ionic conductivity of poly(aryl ether ketone)nanofiber membrane is also improved.Blending with inorganic lubricant,blending with thermotropic liquid crystalline polyester,blending with thermotropic liquid crystalline poly(aryl ether ketone),sulfonation,introduction of different side groups and introduction of twisted non coplanar structure play an important role in crystalline poly(aryl ether ketone).While,chloromethylation,ring opening polymerization,multicomponent copolymerization and introduction of thermotropic liquid crystalline polyester play an important role in amorphous poly(aryl eth

关 键 词：聚芳醚酮 纤维 聚合物结构设计 液晶相 后功能化 

分 类 号：TQ324[化学工程—合成树脂塑料工业]