聚酰亚胺/二氧化钛复合薄膜的制备及性能研究

复合材料科学与工程 ›› 2015, Vol. 0 ›› Issue (10): 10-13.

聚酰亚胺/二氧化钛复合薄膜的制备及性能研究

杨志兰

江汉大学光电化学材料与器件省部共建教育部重点实验室,湖北武汉 430056

收稿日期:2015-05-07 出版日期:2015-10-28 发布日期:2021-09-14
作者简介:杨志兰(1978-)女,硕士,实验师,主要从事聚酰亚胺复合材料研究。
基金资助:
光电化学材料与器件省部共建教育部重点实验室开放课题基金(JDGD-2013-10)

PREPARATION AND CHARACTERIZATION OF POLYIMIDE/TiO₂ COMPOSITE FILM

YANG Zhi-lan

Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, Jianghan University,Wuhan 430056, China

Received:2015-05-07 Online:2015-10-28 Published:2021-09-14

摘要/Abstract

摘要： 以联苯四甲酸二酐(BPDA)与4,4'-二氨基二苯醚(ODA)为单体,N,N-二甲基乙酰胺(DMAc)为溶剂,制备出高粘度的聚酰胺酸溶液,然后将钛酸丁酯-乙酰丙酮溶液逐滴滴加均匀分散至聚酰胺酸溶液中,将PAA在玻璃板上涂膜经过高温亚胺化处理,最后制备PI/TiO₂复合薄膜。利用扫描电镜、傅里叶红外光谱对复合薄膜的化学结构进行表征;通过拉伸试验对复合薄膜的力学性能进行研究;采用热失重(TG)测试,对复合薄膜的热学性能进行表征。最终结果表明,所制备的复合薄膜中存在纳米TiO₂的空间网络结构,并且纳米TiO₂在薄膜中均匀分布,在TiO₂含量为2%左右时,复合薄膜的综合性能最优。

关键词: 聚酰亚胺, 二氧化钛, 复合薄膜

Abstract: Polyimide/TiO₂composite films were prepared via sol-gel reaction using tetrabutyl titanate (TBT) as the inorganic precursor and incorporating it into poly (amic acid) (PAA) derived from 3,3',4,4'-biphenyl tetracarboxylic diandhydride (BPDA)and 4,4'-diaminodiphenyl ether (ODA) in N,N-dimethylacetamide (DMAc). The chemical structure and compatibility of the hybrid film were characterized by FFIR and SEM, respectively. The effect of TiO₂ content on mechanical property and thermal behavior of hybrid film was studied. The results indicated that the nano TiO₂ particles dispersed uniformly in polyimide matrix. And the comprehensive properties were optimal when the content of TiO₂ is about 2wt.%.

Key words: polyimide, TiO₂, composite film

中图分类号:

TB332

杨志兰. 聚酰亚胺/二氧化钛复合薄膜的制备及性能研究[J]. 复合材料科学与工程, 2015, 0(10): 10-13.

YANG Zhi-lan. PREPARATION AND CHARACTERIZATION OF POLYIMIDE/TiO₂ COMPOSITE FILM[J]. COMPOSITES SCIENCE AND ENGINEERING, 2015, 0(10): 10-13.

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