SYNTHESIS AND CHARACTERIZATION OF ORGANO-SOLUBLE FLUORINATED POLYIMIDES FROM 4,4′-BIS(3-AMINO-5-TRIFLUOROMETHYLPHENOXY)-BIPHENYL AND VARIOUS AROMATIC DIANHYDRIDES

Gui-long Wu; Jin-gang Liu; Zuo-bang Li; Zi-yi Ge; Lin Fan; Shi-yong Yang

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SYNTHESIS AND CHARACTERIZATION OF ORGANO-SOLUBLE FLUORINATED POLYIMIDES FROM 4,4′-BIS(3-AMINO-5-TRIFLUOROMETHYLPHENOXY)-BIPHENYL AND VARIOUS AROMATIC DIANHYDRIDES

Papers | Updated：2021-06-21

- SYNTHESIS AND CHARACTERIZATION OF ORGANO-SOLUBLE FLUORINATED POLYIMIDES FROM 4,4′-BIS(3-AMINO-5-TRIFLUOROMETHYLPHENOXY)-BIPHENYL AND VARIOUS AROMATIC DIANHYDRIDES
- Vol. 23, Issue 1, Pages: 55-61(2005)
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- Published：20 January 2005
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Gui-long Wu, Jin-gang Liu, Zuo-bang Li, et al. SYNTHESIS AND CHARACTERIZATION OF ORGANO-SOLUBLE FLUORINATED POLYIMIDES FROM 4,4′-BIS(3-AMINO-5-TRIFLUOROMETHYLPHENOXY)-BIPHENYL AND VARIOUS AROMATIC DIANHYDRIDES[J]. 2005, 23(1): 55-61.
DOI：

Gui-long Wu, Jin-gang Liu, Zuo-bang Li, et al. SYNTHESIS AND CHARACTERIZATION OF ORGANO-SOLUBLE FLUORINATED POLYIMIDES FROM 4,4′-BIS(3-AMINO-5-TRIFLUOROMETHYLPHENOXY)-BIPHENYL AND VARIOUS AROMATIC DIANHYDRIDES[J]. 2005, 23(1): 55-61. DOI：

摘要

An aromatic diamine monomer

4′-bis(3-amino-5-trifluoromethyl phenoxy)-biphenyl (TFBPDA)

was synthesized via the nucleophilic displacement reaction of 3

5-dinitrobenzotrifluoride and 4

4′-biphenol. The monomer was reacted with various aromatic dianhydrides via the high temperature polycondensation procedure to provide a series of polyimides. The polyimides

PI-1 to PI-4

show good solubility not only in aprotic solvents

such as N-methyl-2-pyrrolidinone and N

N-dimethylacetamide

but also in many common solvents

such as m-cresol

chloroform and cyclopentanone. PI-4

derived from 4

4′-(hexafluoroisopropylidene)diphthalic anhydride and TFBPDA

was even soluble in toluene. Moreover

PI films exhibit good thermal stability

outstanding transparency in the visible light region and acceptable mechanical and electrical properties. The excellent combined properties of the polyimides make them as a good candidate for fabricating microelectronics.

Abstract

An aromatic diamine monomer

4′-bis(3-amino-5-trifluoromethyl phenoxy)-biphenyl (TFBPDA)

was synthesized via the nucleophilic displacement reaction of 3

5-dinitrobenzotrifluoride and 4

4′-biphenol. The monomer was reacted with various aromatic dianhydrides via the high temperature polycondensation procedure to provide a series of polyimides. The polyimides

PI-1 to PI-4

show good solubility not only in aprotic solvents

such as N-methyl-2-pyrrolidinone and N

N-dimethylacetamide

but also in many common solvents

such as m-cresol

chloroform and cyclopentanone. PI-4

derived from 4

4′-(hexafluoroisopropylidene)diphthalic anhydride and TFBPDA

was even soluble in toluene. Moreover

PI films exhibit good thermal stability

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