Preparation and Performance of Polyimide with Noncoplanar Structure

被引：0
|
作者：
Zhang, Jing [1 ]
Chen, Xiaoqi [2 ]
Zhou, Haijun [2 ]
Zhang, Xiaolei [2 ]
Li, Yantao [2 ]
机构：
[1] Heibei Univ Technol, Inst Chem, Tianjin 300130, Peoples R China
[2] Hebei Inst Energy Source, Shijiazhuang 050081, Peoples R China
来源：
PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON GREEN MATERIALS AND ENVIRONMENTAL ENGINEERING (GMEE 2015) | 2016年 / 35卷
关键词：
polyimide; imidization; thermal stability; mechanical property;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A series of polyimide was prepared based on 3,3',4,4'-biphenyltetra carboxylic dianhydride (BPDA) with noncoplanar, 1,2,4,5-benzenetetracarboxylicanhydride (PMDA) and 4,4'-diaminodiphenyl ether (ODA). The effect of the polymer structure and imidization temperature on the thermal stability and mechanical properties of polyimide was investigated. The results showed that the toughness of polyimide were effectively improved as the noncoplanar structure was introduced into polyimide molecular chain. The mechanical properties of polyimide reached the maximun at imidization temperature of 300 degrees C. The tensile strength and elongation at break of polyimide were 51.84 MPa and 13.63% respectively, and the high heat resistance was excellent.
引用
收藏
页码：48 / 50
页数：3
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