Properties and Synthesis of Polyimides Based on 4-Octyloxy-Biphenyl-3,5-Diaminobenzoate

LI Xiao-yu; YI Long-fei; SUN Zhen; WANG Ying-han

doi:10.3788/YJYXS20112602.0131

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Properties and Synthesis of Polyimides Based on 4-Octyloxy-Biphenyl-3,5-Diaminobenzoate

Table of contents | 更新时间：2020-08-12

- Properties and Synthesis of Polyimides Based on 4-Octyloxy-Biphenyl-3,5-Diaminobenzoate
- Chinese Journal of Liquid Crystals and Displays Vol. 26, Issue 2, Pages: 131-136(2011)
- 作者机构：
  
  四川大学高分子材料科学与工程学院高分子材料工程国家重点实验室,四川成都 610065
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20112602.0131
  CLC： TQ323.7
- Received：19 August 2010，
  
  Revised：15 October 2010，
  
  Published Online：06 April 2011，
  
  Published：06 April 2011
- 稿件说明：
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李晓瑜, 易龙飞, 孙振, 汪映寒. 基于4-辛氧基联苯酚-3,5-二氨基苯甲酸酯的聚酰亚胺的合成及性能研究[J]. 液晶与显示, 2011,26(2): 131-136

LI Xiao-yu, YI Long-fei, SUN Zhen, WANG Ying-han. Properties and Synthesis of Polyimides Based on 4-Octyloxy-Biphenyl-3,5-Diaminobenzoate[J]. , 2011,26(2): 131-136
李晓瑜, 易龙飞, 孙振, 汪映寒. 基于4-辛氧基联苯酚-3,5-二氨基苯甲酸酯的聚酰亚胺的合成及性能研究[J]. 液晶与显示, 2011,26(2): 131-136 DOI： 10.3788/YJYXS20112602.0131.

LI Xiao-yu, YI Long-fei, SUN Zhen, WANG Ying-han. Properties and Synthesis of Polyimides Based on 4-Octyloxy-Biphenyl-3,5-Diaminobenzoate[J]. , 2011,26(2): 131-136 DOI： 10.3788/YJYXS20112602.0131.

摘要

利用4-辛氧基联苯酚-3

5-二氨基苯甲酸酯(C8)、3

3'-二甲基-4

4'-亚甲基二苯胺(DMMDA)以不同比例与4

4-氧双邻苯二甲酸酐(ODPA)一步法聚合制得第一体系不同二胺含量的聚酰亚胺(PI)。研究了二胺含量对PI的溶解性、取向性、预倾角和热稳定性的影响。用C8、DMMDA以相同比例与ODPA、均苯四甲酸酐(PMDA)、3

4'-二苯甲酮四羧酸二酐(BTDA)一步法反应

制得第二体系不同二酐结构的PI

研究了二酐结构对PI溶解性和热稳定性的影响。

Abstract

The first series of polyimides with different ratio of side chain were copolymerized from 4-octyloxy-biphenyl-3

5-diaminobenzoate(C8)

3'-dimethyl -4

4'-methyl-enedianiline (DMMDA) and 4

4-oxydiphthalic(ODPA) via one-step method.The effect of the diamine content of these PIs on their solubility

alignment

pretilt angle and thermal stability was investigated. Similarly

the second series of polyimides with different main chain were copolymerized from C8

DMMDA and different dianhydrides which include ODPA

pyromellitic dianhydride (PMDA)

4'-dibenzophenonetetracarboxylic dianhydride (BTDA) via one-step method. The effect of dianhydride structure on the solubility and thermal stability was explored.

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Keywords

references

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