[1]王龙耀,蔡梦云,赵宇培,等.联苯双醚型聚酰亚胺的合成与表征[J].常州大学学报(自然科学版),2017,(02):13-16.[doi:10.3969/j.issn.2095-0411.2017.02.003]
　WANG Longyao,CAI Mengyun,ZHAO Yupei,et al.Synthesis and Characterization of Biphenylether Polyimide[J].Journal of Changzhou University(Natural Science Edition),2017,(02):13-16.[doi:10.3969/j.issn.2095-0411.2017.02.003]
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联苯双醚型聚酰亚胺的合成与表征()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2017年02期
页码:
13-16
栏目:
材料科学与工程
出版日期:
2017-03-28

文章信息/Info

Title:
Synthesis and Characterization of Biphenylether Polyimide
作者:
王龙耀; 蔡梦云; 赵宇培; 王岚
常州大学 石油化工学院,江苏 常州 213164
Author(s):
WANG Longyao;  CAI Mengyun;  ZHAO Yupei;  WANG Lan
School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
关键词:
聚酰亚胺;  联苯双醚二酐;  制备;  表征
Keywords:
polyimide;  biphenylether dianhydride(BPEDA);  synthesis;  characterization
分类号:
TQ 323.7
DOI:
10.3969/j.issn.2095-0411.2017.02.003
文献标志码:
A
摘要:
以联苯双醚二酐(BPEDA)和4,4-二氨基二苯醚(ODA)为原料,在强极性溶剂N,N’-二甲基乙酰胺(DMAc)中缩聚,并经高温热环化制得一种联苯双醚型聚酰亚胺(PI)。聚酰亚胺的性能表征结果表明:聚酰胺酸预聚体(PAA)的特性粘度为0.72 dL/g; 经红外光谱测定,PI在1 780 cm-1和1 380 cm-1附近观察到聚酰亚胺的特征峰; 玻璃化温度为232.1 ℃; 在氮气中5%的失重温度达527 ℃,有较好的耐热性能; 将PI制成薄膜,室温下拉伸强度为99.0 MPa,在10%NaOH溶液中浸泡24 h后其拉伸强度保持96%,表明该结构聚酰亚胺具有良好的化学稳定性。
Abstract:
A novel polyimide(PI)was synthesized from biphenylether dianhydride(BPEDA)and 4,4’-diamino diphenyl ether(ODA)in a strong polar solvent followed by a imidization at high temperature. The properties of the obtained PI were examined in this paper. The intrinsic viscosity of PAA was measured to be about 0.72 dL/g. There were characteristic peaks around 1 780 cm-1 and 1 380 cm-1 tested by FTIR. The results showed that there existed aromatic imide groups in this polymer. The glass transition temperature and the thermal decomposition temperature in nitrogen(weight loss 5%)were determined to be about 232.1 ℃ and 527 ℃, which indicate that the PI has high thermal stability. The film formed by PI had the tensile strength 99 MPa at room temperature. When it was steeped in 10% sodium hydroxide solution, the tensile strength remained 96%. The result also showed that the PI had excellent chemical stability.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-06-01。
基金项目:江苏省前瞻性联合研究项目(BY2015027-17); 江苏省青年自然科学基金项目(BK20150261)。
作者简介:王龙耀(1975—),男,河北新乐人,博士,副教授,主要从事化工新型材料研究。通讯联系人:王岚(1976—),E-mail:wanglan@cczu.edu.cn
更新日期/Last Update: 2017-04-01