作者:Emrah Çakmakçı、Atilla Güngör、Ahmet Ceyhan Gören
DOI:10.1016/j.jfluchem.2016.03.016
日期:2016.6
properties. In order to overcome this problem different amounts of mDA13FAPO containing copolyimides with BTDA and ODA were prepared. The flame retardancy of the copolyimides was examined by limiting oxygen index measurements. The surface energies of the copolyimides were determined by contact angle measurements. mDA13FPO containing homopolyimides exhibited moderate Tg values (194–233 °C), good thermal stability
近年来,氟化聚酰亚胺的合成已成为研究的活跃领域。在这项研究中,含全氟烷基和氧化膦的二胺单体双(3,3'-氨基苯基)-(3,3,4,4,5,5,6,6,7,7,8,8,8-三氟甲基氟辛基)制备了氧化膦(mDA13FAPO)。mDA13FAPO与四种不同的商业二酐(BTDA,PMDA,ODPA和6FDA)反应,并通过热和溶液酰亚胺化技术制备相应的均聚酰亚胺。然而,mDA13FAPO的均聚酰亚胺表现出较差的成膜性能。为了克服该问题,制备了不同量的含有BTDA和ODA的共聚酰亚胺的mDA13FAPO。通过限制氧指数的测量来检查共聚酰亚胺的阻燃性。共聚酰亚胺的表面能通过接触角测量来确定。含有均聚酰亚胺的mDA13FPO具有中等的Tg值(194–233°C),良好的热稳定性和出色的溶解性。ODA的存在极大地改善了成膜性能,并且获得了无裂纹,可折皱的共聚酰亚胺膜。随着mDA13FAPO量的增加,共聚酰亚