聚酰亚胺薄膜的制备及其结构与性能分析——推荐一个高分子化学综合实验

doi:10.3866/PKU.DXHX202302046

Abstract

Abstract:

Various aromatic diamines and dianhydride monomers were selected to synthesize binary or multi-structured polyamide acid solutions by solution polymerization, and the corresponding structured polyimide films were prepared by solution casting and thermal amination. The effects of different monomers, compositions, and other factors on the properties of polyimide were explored by testing and characterizing the structures and properties of polyamide acid (PAA) and polyimide (PI). This experiment is based on industrial practice, which is consistent with the process of industrial research and development. Encouraging students to deeply understand the relationship between the structure and performance of polymer materials can stimulate their innovative thinking and cultivate their ability to analyze and solve practical engineering problems.

Key words: Polyimide, Structure, Property, Comprehensive experiment

Yanjiang Song, Qinghua Pan, Panpan Qi, Xuan Tu, Xukang Shen, Haitang Yang. Preparation, Structure and Properties of Polyimide Films: A Comprehensive Experiment of Polymer Chemistry[J].University Chemistry, 2023, 38(11): 230-237.

Figures/Tables 9

References 15

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种类	名称	结构式	分子量	熔点/℃	CAS号
溶剂	N, N’-二甲基乙酰胺 (DMAc)		87.12	–	127-19-5
二胺	对苯二胺		108.14	138–143	106-50-3
	4,4'-二胺基二苯醚		200.24	188–192	101-80-4
	1,3-二(4'-氨基苯氧基)苯		292.33	115–118	2479-46-1
	4,4-二(4-氨基苯氧基)二苯砜		432.49	195	13080-89-2
	2,2-双[4-(4-氨基苯氧基)苯基]-1,1,1,3,3,3-六氟丙烷		518.45	159–163	69563-88-8
二酐	1,2,4,5-环己烷四甲酸二酐		224.17	240	2754-41-8
	均苯四甲酸二酐		218.12	283–286	89-32-7
	3,3',4,4'－联苯四甲酸二酐		294.22	299–305	2420-87-3
	六氟二酐		444.24	244–247	1107-00-2

序号	二胺	二酐
试样1
试样2

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Preparation, Structure and Properties of Polyimide Films: A Comprehensive Experiment of Polymer Chemistry

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