Synthesis and properties of novel poly(aryl ether ketone)s containing both diphenyl moiety and amide linkages in the main chains
作者:Mingzhong Cai、Meihua Zhu、Pingping Wang、Caisheng Song
DOI:10.1016/j.polymer.2010.01.041
日期:2010.3
New monomers, 4,4′-bis(4-phenoxybenzoyl)diphenyl (BPOBDP) and N,N′-bis(4-phenoxybenzoyl)-p-phenylenediamine (BPBPPD), were conveniently synthesized via simple synthetic procedures from readily available materials. A series of novel poly(aryl ether ketone)s containing both diphenyl moiety and amide linkages in the main chains were prepared by electrophilic Friedel–Crafts solution copolycondensation
新的单体4,4'-双(4-苯氧基苯甲酰基)联苯(BPOBDP)和N,N'-双(4-苯氧基苯甲酰基)-对苯二胺(BPBPPD)可以通过简单的合成方法方便地从容易获得的材料中合成。通过亲和力的间苯二甲酰氯(IPC)与BPOBDP和BPBPPD的混合物进行亲电的Friedel-Crafts溶液共缩聚反应,制得了一系列在主链中同时包含二苯基部分和酰胺键的新型聚(芳基醚酮)。在无水AlCl 3和N-甲基吡咯烷酮(NMP)在1,2-二氯乙烷(DCE)中的存在下,BPOBDP / BPBPPD摩尔比。所有聚合物均为半结晶,并且T g显着提高由于在主链中引入了联苯部分和酰胺键,因此比市售的PEEK和PEKK好。BPBPPD为40–60 mol%的聚合物不仅具有183–189°C的高T g s,而且具有314–328°C的中度T m s,非常适合于熔融加工。这些聚合物的拉伸强度为107.4–111.5 MPa,杨氏模量为2