Formation of poly(vinylidene fluoride) crystalline phases from tetrahydrofuran/N, N-dimethylformamide mixed solvent

Wenzhong Ma; Jun Zhang; Xiaolin Wang

doi:10.1007/s10853-007-2211-8

Formation of poly(vinylidene fluoride) crystalline phases from tetrahydrofuran/N, N-dimethylformamide mixed solvent

Wenzhong Ma, Jun Zhang, Xiaolin Wang

College of Materials Science and Engineering

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

84 Scopus citations

Abstract

The effects of the tetrahydrofuran (THF)/N, N-dimethylformamide (DMF) mixture with various mass ratios of each component on the crystalline phase formation and crystallization behavior in the PVDF film by solution casting was investigated. Poly(vinylidene fluoride) (PVDF) resin was dissolved in the THF/ DMF mixture with different mass ratio at 50°C. The solubility of the PVDF was improved by an increase of DMF content in the mixture of solvents because of the reinforced disruption of the intermolecular polymer bonds. The films were peeled off from the glass substrate at room temperature after the solvents evaporated. The melting behavior of the films was measured with a Perkin-Elmer DSC-7C differential scanning calorimeter. The mixed solvent at a 5/5 ratio resulted in the clear spherulitic structure with a diameter of about 3 μm on the surface of the film.

Original language	English
Pages (from-to)	398-401
Number of pages	4
Journal	Journal of Materials Science
Volume	43
Issue number	1
DOIs	https://doi.org/10.1007/s10853-007-2211-8
State	Published - Jan 2008

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title = "Formation of poly(vinylidene fluoride) crystalline phases from tetrahydrofuran/N, N-dimethylformamide mixed solvent",

abstract = "The effects of the tetrahydrofuran (THF)/N, N-dimethylformamide (DMF) mixture with various mass ratios of each component on the crystalline phase formation and crystallization behavior in the PVDF film by solution casting was investigated. Poly(vinylidene fluoride) (PVDF) resin was dissolved in the THF/ DMF mixture with different mass ratio at 50°C. The solubility of the PVDF was improved by an increase of DMF content in the mixture of solvents because of the reinforced disruption of the intermolecular polymer bonds. The films were peeled off from the glass substrate at room temperature after the solvents evaporated. The melting behavior of the films was measured with a Perkin-Elmer DSC-7C differential scanning calorimeter. The mixed solvent at a 5/5 ratio resulted in the clear spherulitic structure with a diameter of about 3 μm on the surface of the film.",

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T1 - Formation of poly(vinylidene fluoride) crystalline phases from tetrahydrofuran/N, N-dimethylformamide mixed solvent

AU - Ma, Wenzhong

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N2 - The effects of the tetrahydrofuran (THF)/N, N-dimethylformamide (DMF) mixture with various mass ratios of each component on the crystalline phase formation and crystallization behavior in the PVDF film by solution casting was investigated. Poly(vinylidene fluoride) (PVDF) resin was dissolved in the THF/ DMF mixture with different mass ratio at 50°C. The solubility of the PVDF was improved by an increase of DMF content in the mixture of solvents because of the reinforced disruption of the intermolecular polymer bonds. The films were peeled off from the glass substrate at room temperature after the solvents evaporated. The melting behavior of the films was measured with a Perkin-Elmer DSC-7C differential scanning calorimeter. The mixed solvent at a 5/5 ratio resulted in the clear spherulitic structure with a diameter of about 3 μm on the surface of the film.

AB - The effects of the tetrahydrofuran (THF)/N, N-dimethylformamide (DMF) mixture with various mass ratios of each component on the crystalline phase formation and crystallization behavior in the PVDF film by solution casting was investigated. Poly(vinylidene fluoride) (PVDF) resin was dissolved in the THF/ DMF mixture with different mass ratio at 50°C. The solubility of the PVDF was improved by an increase of DMF content in the mixture of solvents because of the reinforced disruption of the intermolecular polymer bonds. The films were peeled off from the glass substrate at room temperature after the solvents evaporated. The melting behavior of the films was measured with a Perkin-Elmer DSC-7C differential scanning calorimeter. The mixed solvent at a 5/5 ratio resulted in the clear spherulitic structure with a diameter of about 3 μm on the surface of the film.

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Formation of poly(vinylidene fluoride) crystalline phases from tetrahydrofuran/N, N-dimethylformamide mixed solvent

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