引用本文:
朱丹阳, 王瑛, 张春华, 吴作林, 韩宝春, 杨正华. 引入不对称结构对聚酰亚胺模塑料加工性能的改善[J]. 应用化学,
2013, 30(2): 239-241.
doi:
DOI:10.3724/SP.J.1095.2013.20151
Citation: ZHU Danyang, WANG Ying, ZHANG Chunhua, WU Zuolin, HAN Baochun, YANG Zhenghua. Processability Improvement of Polyimide by Adding Asymmetric Structure in Molecular Chain[J]. Chinese Journal of Applied Chemistry, 2013, 30(2): 239-241. doi: DOI:10.3724/SP.J.1095.2013.20151
Citation: ZHU Danyang, WANG Ying, ZHANG Chunhua, WU Zuolin, HAN Baochun, YANG Zhenghua. Processability Improvement of Polyimide by Adding Asymmetric Structure in Molecular Chain[J]. Chinese Journal of Applied Chemistry, 2013, 30(2): 239-241. doi: DOI:10.3724/SP.J.1095.2013.20151
引入不对称结构对聚酰亚胺模塑料加工性能的改善
English
Processability Improvement of Polyimide by Adding Asymmetric Structure in Molecular Chain
Abstract:
A series of high-strength and processable polyimide(PI) moulding compounds with different content of diamine was prepared from 3,3',4,4'-biphenyl tetracarboxylic diandhydride(BPDA) and 4,4'-diaminodiphenyl ether(4,4'-ODA),3,4'-diaminodiphenyl ether(3,4'-ODA) through chemical imiidization.The rheological,mechanical and thermal resistance properties of the PI moulding compounds were investigated.With the increasing of 3,4'-ODA content,the impact strength of the PI could be maintained without dramatic change.The rheological properties of the PI were enhanced and the glass transition temperature can reach 275℃.The impact strength of the PI is about 141 kJ/m2.Processability of the PI is superior at 20 MPa.
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