含氟及非共平面结构可溶性聚酰亚胺的合成与性能研究

绝缘材料, 2015, (6): 4-8.

含氟及非共平面结构可溶性聚酰亚胺的合成与性能研究

梅媚 ^1, , 彭大伟 ^2, , 裴响林 ^3, , 刘婵娟 ^4, , 黄孝华 ^5, , 韦春 ^6,

1.桂林理工大学广西有色金属及特色材料加工国家重点实验室培育基地材料科学与工程学院,广西桂林,541004

2.舟山市公安消防支队,浙江舟山,316000

3.桂林理工大学广西有色金属及特色材料加工国家重点实验室培育基地材料科学与工程学院,广西桂林,541004

4.桂林理工大学广西有色金属及特色材料加工国家重点实验室培育基地材料科学与工程学院,广西桂林,541004

5.桂林理工大学广西有色金属及特色材料加工国家重点实验室培育基地材料科学与工程学院,广西桂林,541004

6.桂林理工大学广西有色金属及特色材料加工国家重点实验室培育基地材料科学与工程学院,广西桂林,541004

基金项目: 广西自然科学基金项目(2014GXNSFAA118040)；广西有色金属及特色材料加工国家重点实验室培育基地开放基金资助(13KF-3)

关键词：含氟聚酰亚胺 , 可溶性 , 热稳定性 , 光学透明性 , 介电常数

Study on Synthesis and Properties of Soluble Polyimides Containing Fluorine and Non-coplanar Structure

Keywords： fluorinated polyimide , soluble , thermal stability , optical transparency , dielectric constant

采用4-氟苯甲醛和2-异丙基苯胺合成新型二胺单体双(4-氨基-3-异丙基苯基)-4-氟苯基)甲烷(APFM)，通过“一步法”缩聚反应得到一类新型含氟及非共平面结构的可溶性聚酰亚胺，并对其结构与性能进行表征和分析。结果表明：该聚酰亚胺呈现出良好的溶解性能、高耐热性、高光学透明性、低介电常数。

A novel diamine monomer bis(4-amino-3-isopropylphenyl)-4-fluorophenylmethane was synthe-sized by 4-fluorobenzaldehyde and 2-isopropylaniline. Then a soluble polyimide(PI) containing fluorine and non-coplanar structure was obtained by one-step polycondensation reaction, and its structure and prop-erties were characterized. The results show that the PI has good solubility, high thermal stability, high op-tical transparency, and low dielectric constant.

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