CAJ | 학술논문

用1，4-双（4-氨基苯氧基）苯（144BAPB ）与联苯四酸二酐（BPDA ）在N，N-二甲基乙酰胺（DMAc ）溶剂中常温发生聚合反应且在其中添加纳米粒子 TiO2而制得一系列不同 TiO2含量的 PI／TiO2杂化膜。研究了杂化膜的结构、吸湿性、耐电晕性和光学性等。结果表明，在TiO2含量为18％时，杂化膜同时具有良好的疏水性和极好的抗电晕性，这些特性有助于其在航空、电子、变频电机等行业中应用的进一步推广；通过紫外-可见分光光度计分析发现，随着TiO2掺杂量的增加，PI／TiO2杂化膜的可见光透过率下降十分显著。
용1，4-쌍（4-안기분양기）분（144BAPB ）여련분사산이항（BPDA ）재N，N-이갑기을선알（DMAc ）용제중상온발생취합반응차재기중첨가납미입자 TiO2이제득일계렬불동 TiO2함량적 PI／TiO2잡화막。연구료잡화막적결구、흡습성、내전훈성화광학성등。결과표명，재TiO2함량위18％시，잡화막동시구유량호적소수성화겁호적항전훈성，저사특성유조우기재항공、전자、변빈전궤등행업중응용적진일보추엄；통과자외-가견분광광도계분석발현，수착TiO2참잡량적증가，PI／TiO2잡화막적가견광투과솔하강십분현저。
In this paper,the preparation and properties of Polyimide/TiO2 nano-hybrid films was described. Briefly,the 1,4-Bis(4-aminophenoxy)benzene(144BAPB),3,3′,4,4′-Biphenyl-tetracarboxylic dianhydride (BPDA)and different content of TiO2 were added to the solvent of N,N-Dimethylacetamide(DMAc).The reaction was then stirred at room temperature and maintained a few hours,the glass plate was subsequently coated by the mixtures and heated with a period of time and then got PI/TiO2 hybrid films of different TiO2 content.The structure,wet-ability,corona-resistant and transmittance of PI/TiO2 hybrid films were intensively studied.It was found that the hybrid films have both good hydrophobic property and excellent corona-resistant property at the TiO2 content of 1 8%.The best comprehensive performance would promote them applied in aerospace industry,electronic industry,inverter motor industry and so on.With the UV-vis spectrophotometer analysis,the transmittance of PI/TiO2 hybrid films drastically decreased with increasing of TiO2 content.