中文摘要：

以4-三氟甲基苯甲醛、4’-羟基苯乙酮为主要原料，通过改进的Chichibabin反应合成了一种新型的双酚单体——4-（4-三氟甲基苯基）-2，6-二（4-羟基苯基）吡啶，继而将其与4，4＇-二氟二苯酮进行缩聚反应，合成了一种主链含氟和2，6-二苯基吡啶结构的聚醚醚酮，并以FTIR、DSC、WAXD等对其结构和性能进行了表征．研究结果表明：聚合物的对数比浓黏度为0．65dL·g^-1，耐热性优异，所得聚醚醚酮玻璃化转变温度（Tg）为178℃，在空气中，5％的热失重温度为556℃，拉伸强度为99．5MPa，杨氏膜量为3．01GPa，断裂伸长率为14％．同时，该聚合物为无定形结构，在常温下可溶于N-甲基吡咯烷酮、N，N-二甲基乙酰胺、四氢呋喃和氯仿等有机溶剂中，介电常数为2．62（1MHz），吸水率为0．46％．

英文摘要：

A new bisphenol monomer, 4-（ 4-trifluoromethylphenyl ） -2,6-bis （ 4-hydrophenyl ） pyridine was synthe- sized by a modified Chichibabin reaction using 4-trifluoromethylbenzaldehyde and 4＇-hydroacetophenone as main original materials, which was then employed to prepare a new poly （ aryl ether ether ketone） （PEKK） containing fluo- rine and 2,6-diphenylpyridine groups via aromatic nucleophilic substitution polycondensation with 4,4＇-difluoro- benzophenone,and their structure and properties were studied using analysis techniques such as FTIR, DSC and WAXD. The results indicated the resulting PEKK with inherent viscosities of 0.65 dL · g^-1 had excellent heat re- sistance with glass transition temperature of 178 ℃ ,5% weight loss decomposition temperature of 556 ℃ in air. In the meantime, the new fluorinated PEKK showed a 99.5 MPa tensile strengh,3.01 GPa Young＇ s modulus and 14% elongations at break. Besides,this new PEEK with lower dielectric constant of 2.62（ 100 MHz）and low water ab- sorption 0.46% was amorphous and was soluble in dipolar aprotic solvents such as N-methyl-2-pyrrolidone and N, N-dimethylacetamide, and some common organic solvents like chloroform and THF at room temperature.