|本期目录/Table of Contents|

[1]俞娟,姜恒,王晓东,等.高性能聚酰亚胺/纳米石墨烯复合薄膜的制备[J].南京工业大学学报(自然科学版),2015,37(03):19-24.[doi:10.3969/j.issn.1671-7627.2015.03.004]
 YU Juan,JIANG Heng,WANG Xiaodong,et al.Preparation of high performance polyimide/nano-graphene composite film[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2015,37(03):19-24.[doi:10.3969/j.issn.1671-7627.2015.03.004]
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高性能聚酰亚胺/纳米石墨烯复合薄膜的制备()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
37
期数:
2015年03期
页码:
19-24
栏目:
出版日期:
2015-05-30

文章信息/Info

Title:
Preparation of high performance polyimide/nano-graphene composite film
文章编号:
1671-7627(2015)03-0019-06
作者:
俞娟姜恒王晓东黄培
南京工业大学 材料化学工程国家重点实验室,江苏 南京 210009
Author(s):
YU Juan JIANG Heng WANG Xiaodong HUANG Pei
State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 210009, China
关键词:
聚酰亚胺 纳米石墨烯 原位聚合 聚酰亚胺/纳米石墨烯复合薄膜
Keywords:
polyimide nano-graphene in-situ polymerization polyimide/nano-graphene composite film
分类号:
TQ323.7
DOI:
10.3969/j.issn.1671-7627.2015.03.004
文献标志码:
A
摘要:
本文通过原位聚合的方法,在聚酰胺酸溶液中加入纳米石墨烯(Gr)和硅烷偶联剂(KH550),制备不同Gr质量分数的聚酰亚胺/纳米石墨烯(PI/Gr)复合薄膜。采用傅里叶衰减全反射红外光谱仪(ART-FT-IR)、静态热机械分析仪(TMA)、扫描电子显微镜(SEM)以及同步热分析仪(STA)表征PI/Gr复合薄膜的性能和结构。结果表明:在偶联剂的作用下,Gr可以较好地分散在聚酰亚胺基体中,同时偶联剂和Gr的引入提高了复合薄膜的热稳定性; 当Gr质量分数达到15%时,PI/Gr复合薄膜的弹性模量增加66.7%,达到3 GPa左右; 随着电流密度的提高,复合薄膜的比电容提高了48.4%。
Abstract:
Polyimide/nano-graphene(PI/Gr)composite film of different Gr contents was prepared by the in-situ polymerization starting from Gr and silane coupling agent(KH550)in the solution of polyamic acid. The chemical structure and properties were characterized by Fourier transform attenuated total reflection infrared spectrum(ART-FT-IR), static mechanical analysis(TMA), scanning electron microscope(SEM),and simultaneous thermal analyzer(STA). Results showed that the Gr was dispersed in polyimide matrices homogeneously with the coupling agent. The introduction of coupling agent and Gr could improve the thermal stability of the composite film. The modulus increased by 66.7% to about 3.0 GPa with the increase of Gr content to 15%. The specific capacitance increased by 48.4% with an increase of the current density.

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备注/Memo

备注/Memo:
收稿日期:2014-11-19
作者简介:俞娟(1985—),女,江苏南京人,博士生,主要研究方向为功能高分子材料; 黄培(联系人),教授,E-mail:phuang@njtech.edu.cn.
引用本文:俞娟,姜恒,王晓东,等.高性能聚酰亚胺/纳米石墨烯复合薄膜的制备[J].南京工业大学学报:自然科学版,2015,37(3):19-24..
更新日期/Last Update: 2015-05-20