聚醚酮醚酮酮/含萘环聚醚酮醚酮酮无规共聚物的合成与性能  

Synthesis and Properties of Polyether ketone ether ketone ketone/Polyether ketone ether ketone ketone Containing Naphthalene Ring Random Copolymers

作　　者：蔡明中[1] 徐海云[1] 黎苇[1] 宋才生[1] 

机构地区：[1]江西师范大学化学与生物科学学院,南昌330027

出　　处：《化学通报》2003年第1期59-62,66,共5页Chemistry

基　　金：国家"8 63"计划 ( 863 715 15 0 1 0 4);江西省自然科学基金资助项目 ( 980 3 14)

摘　　要：在无水AlCl3及N 甲基吡咯烷酮 (NMP)存在下 ,以 4 ,4′ 二 (α 萘氧基 )二苯酮 (DNBP)作为第三单体 ,将其与 4 ,4′ 二苯氧基二苯酮 (DPBP)和对苯二甲酰氯 (TPC)在 1 ,2 二氯乙烷 (DCE)中进行低温溶液共缩聚反应 ,合成了一系列聚醚酮醚酮酮 含萘环聚醚酮醚酮酮无规共聚物 ,用IR、DSC、TG及WAXD等方法对其结构和性能进行了表征与测试。研究结果表明共聚物的玻璃化转变温度 (Tg)要比纯PEKEKK的高 ,而其熔融温度 (Tm)和结晶度 (XC)则随共聚物中含萘环PEKEKK结构单元含量的增加而逐渐降低。A series of random copolymers composed of polyether ketone ether ketone ketone and polyether ketone ether ketone ketone containing naphthalene ring were prepared by low temperature solution polycondensation of 4,4′-diphenoxybenzophenone (DPBP), 4,4′-bis ( α -naphthoxy)benzophenone (DNBP) and terephthaloyl chloride (TPC) in 1,2-dichloroethane and in the presence of AlCl 3 and NMP. Some properties of the copolymers were investigated by IR, DSC, TG, WAXD, etc.The results show that the T g of the copolymer is higher than that of pure PEKEKK, the T m and the crystallinity of the copolymer decrease with increasing of PEKEKK containing naphthalene ring unit content. The crystalline copolymers have good heat-resistance and excellent chemical-resistance.

关 键 词：萘环 聚醚酮醚酮酮 合成 性能 聚醚酮醚酮酮 4 4′-二(α-萘氧基)二苯酮 低温溶液缩聚 无规共聚物 

分 类 号：O633[理学—高分子化学]