Synthesis and characterization of soluble polyimides derived from [1,1′;4′,1″]Terphenyl-2′,5′-diol and biphenyl-2,5-diol

Jianwei Xu; Chaobin He; T. S. Chung

doi:10.1002/pola.1280

Synthesis and characterization of soluble polyimides derived from [1,1′;4′,1″]Terphenyl-2′,5′-diol and biphenyl-2,5-diol

Jianwei Xu, Chaobin He^*, T. S. Chung

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

Two series of polyimides based on laterally attached p-terphenyl and biphenyl groups were synthesized. The solubility and thermal properties were studied using DSC, thermogravimetric analysis, and the solubility test. These polymers exhibited good thermal stability and excellent solubility. The high solubility for both polymer series was attributed to the non-coplanarity of diamine monomers and the use of fluorinated dianhydride, whereas the slightly better solubility for polymers based on p-terphenyl was attributed to further weakening of interchain interaction of the polymers. Both polymer series exhibited glass-transition temperatures (T_g's) in the range of 244-272°C. The T_g's of polymers containing laterally attached p-terphenyls were higher than those of their counterparts containing biphenyls by 5-17°C. This was attributed to the formation of an interdigitated structure that hinders the segmental movement of polymer chains.

Original language	English (US)
Pages (from-to)	2998-3007
Number of pages	10
Journal	Journal of Polymer Science, Part A: Polymer Chemistry
Volume	39
Issue number	17
DOIs	https://doi.org/10.1002/pola.1280
State	Published - Sep 1 2001
Externally published	Yes

Keywords

Biphenyl
P-terphenyl
Soluble polyimides
Synthesis

ASJC Scopus subject areas

Polymers and Plastics
Organic Chemistry
Materials Chemistry

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10.1002/pola.1280

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title = "Synthesis and characterization of soluble polyimides derived from [1,1′;4′,1″]Terphenyl-2′,5′-diol and biphenyl-2,5-diol",

abstract = "Two series of polyimides based on laterally attached p-terphenyl and biphenyl groups were synthesized. The solubility and thermal properties were studied using DSC, thermogravimetric analysis, and the solubility test. These polymers exhibited good thermal stability and excellent solubility. The high solubility for both polymer series was attributed to the non-coplanarity of diamine monomers and the use of fluorinated dianhydride, whereas the slightly better solubility for polymers based on p-terphenyl was attributed to further weakening of interchain interaction of the polymers. Both polymer series exhibited glass-transition temperatures (Tg's) in the range of 244-272°C. The Tg's of polymers containing laterally attached p-terphenyls were higher than those of their counterparts containing biphenyls by 5-17°C. This was attributed to the formation of an interdigitated structure that hinders the segmental movement of polymer chains.",

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AU - He, Chaobin

AU - Chung, T. S.

PY - 2001/9/1

Y1 - 2001/9/1

N2 - Two series of polyimides based on laterally attached p-terphenyl and biphenyl groups were synthesized. The solubility and thermal properties were studied using DSC, thermogravimetric analysis, and the solubility test. These polymers exhibited good thermal stability and excellent solubility. The high solubility for both polymer series was attributed to the non-coplanarity of diamine monomers and the use of fluorinated dianhydride, whereas the slightly better solubility for polymers based on p-terphenyl was attributed to further weakening of interchain interaction of the polymers. Both polymer series exhibited glass-transition temperatures (Tg's) in the range of 244-272°C. The Tg's of polymers containing laterally attached p-terphenyls were higher than those of their counterparts containing biphenyls by 5-17°C. This was attributed to the formation of an interdigitated structure that hinders the segmental movement of polymer chains.

AB - Two series of polyimides based on laterally attached p-terphenyl and biphenyl groups were synthesized. The solubility and thermal properties were studied using DSC, thermogravimetric analysis, and the solubility test. These polymers exhibited good thermal stability and excellent solubility. The high solubility for both polymer series was attributed to the non-coplanarity of diamine monomers and the use of fluorinated dianhydride, whereas the slightly better solubility for polymers based on p-terphenyl was attributed to further weakening of interchain interaction of the polymers. Both polymer series exhibited glass-transition temperatures (Tg's) in the range of 244-272°C. The Tg's of polymers containing laterally attached p-terphenyls were higher than those of their counterparts containing biphenyls by 5-17°C. This was attributed to the formation of an interdigitated structure that hinders the segmental movement of polymer chains.

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KW - Synthesis

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Synthesis and characterization of soluble polyimides derived from [1,1′;4′,1″]Terphenyl-2′,5′-diol and biphenyl-2,5-diol

Abstract

Keywords

ASJC Scopus subject areas

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