Synthesis, characterization and thermally activated curing of polysulfones with benzoxazine end groups

Sahin Ates; Cemil Dizman; Binnur Aydogan; Baris Kiskan; Lokman Torun; Yusuf Yagci

doi:10.1016/j.polymer.2011.01.051

Synthesis, characterization and thermally activated curing of polysulfones with benzoxazine end groups

Sahin Ates, Cemil Dizman, Binnur Aydogan, Baris Kiskan, Lokman Torun, Yusuf Yagci^*

^*Corresponding author for this work

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

55 Citations (Scopus)

Abstract

Polysulfones with benzoxazine end groups (PSU-B-a) were obtained using monomer synthesis method from the phenol terminated polysulfone (PSU-OH), aniline and paraformaldehyde as starting materials. For this purpose, the precursor PSU-OHs with different molecular weights were prepared by condensation of bisphenol-A and bis(p-chlorophenyl) sulfone in presence of potassium carbonate. The structure of the polymers before and after functionalization was confirmed by proton nuclear magnetic resonance spectroscopy (¹H NMR) and Fourier transform infrared spectroscopy (FT-IR). Thermally activated crosslinking behavior of these polymers was investigated by differential scanning calorimetry (DSC). Thermal and tensile properties of the crosslinked polymers obtained from PSU-B-a alone or with low molar mass benzoxazine (P-a) were studied by thermal gravimetric analysis (TGA) and dynamic mechanical analysis (DMA).

Original language	English
Pages (from-to)	1504-1509
Number of pages	6
Journal	Polymer
Volume	52
Issue number	7
DOIs	https://doi.org/10.1016/j.polymer.2011.01.051
Publication status	Published - 23 Mar 2011
Externally published	Yes

Funding

The authors thank the State Planning Organization of Turkey (DPT) ( Project no: 2005K120920 ) and Istanbul Technical Universiy , Research Fund for the financial support. We also want to thank Nursen Turdu for 1 H NMR studies and Zekayi Korlu for TGA studies.

Funders	Funder number
DPT	2005K120920
Istanbul Technical Universiy
State Planning Organization of Turkey

Keywords

Benzoxazine
Crosslinking
Polysulfone

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10.1016/j.polymer.2011.01.051

Cite this

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title = "Synthesis, characterization and thermally activated curing of polysulfones with benzoxazine end groups",

abstract = "Polysulfones with benzoxazine end groups (PSU-B-a) were obtained using monomer synthesis method from the phenol terminated polysulfone (PSU-OH), aniline and paraformaldehyde as starting materials. For this purpose, the precursor PSU-OHs with different molecular weights were prepared by condensation of bisphenol-A and bis(p-chlorophenyl) sulfone in presence of potassium carbonate. The structure of the polymers before and after functionalization was confirmed by proton nuclear magnetic resonance spectroscopy (1H NMR) and Fourier transform infrared spectroscopy (FT-IR). Thermally activated crosslinking behavior of these polymers was investigated by differential scanning calorimetry (DSC). Thermal and tensile properties of the crosslinked polymers obtained from PSU-B-a alone or with low molar mass benzoxazine (P-a) were studied by thermal gravimetric analysis (TGA) and dynamic mechanical analysis (DMA).",

keywords = "Benzoxazine, Crosslinking, Polysulfone",

author = "Sahin Ates and Cemil Dizman and Binnur Aydogan and Baris Kiskan and Lokman Torun and Yusuf Yagci",

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AU - Ates, Sahin

AU - Dizman, Cemil

AU - Aydogan, Binnur

AU - Kiskan, Baris

AU - Torun, Lokman

AU - Yagci, Yusuf

PY - 2011/3/23

Y1 - 2011/3/23

N2 - Polysulfones with benzoxazine end groups (PSU-B-a) were obtained using monomer synthesis method from the phenol terminated polysulfone (PSU-OH), aniline and paraformaldehyde as starting materials. For this purpose, the precursor PSU-OHs with different molecular weights were prepared by condensation of bisphenol-A and bis(p-chlorophenyl) sulfone in presence of potassium carbonate. The structure of the polymers before and after functionalization was confirmed by proton nuclear magnetic resonance spectroscopy (1H NMR) and Fourier transform infrared spectroscopy (FT-IR). Thermally activated crosslinking behavior of these polymers was investigated by differential scanning calorimetry (DSC). Thermal and tensile properties of the crosslinked polymers obtained from PSU-B-a alone or with low molar mass benzoxazine (P-a) were studied by thermal gravimetric analysis (TGA) and dynamic mechanical analysis (DMA).

AB - Polysulfones with benzoxazine end groups (PSU-B-a) were obtained using monomer synthesis method from the phenol terminated polysulfone (PSU-OH), aniline and paraformaldehyde as starting materials. For this purpose, the precursor PSU-OHs with different molecular weights were prepared by condensation of bisphenol-A and bis(p-chlorophenyl) sulfone in presence of potassium carbonate. The structure of the polymers before and after functionalization was confirmed by proton nuclear magnetic resonance spectroscopy (1H NMR) and Fourier transform infrared spectroscopy (FT-IR). Thermally activated crosslinking behavior of these polymers was investigated by differential scanning calorimetry (DSC). Thermal and tensile properties of the crosslinked polymers obtained from PSU-B-a alone or with low molar mass benzoxazine (P-a) were studied by thermal gravimetric analysis (TGA) and dynamic mechanical analysis (DMA).

KW - Benzoxazine

KW - Crosslinking

KW - Polysulfone

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Synthesis, characterization and thermally activated curing of polysulfones with benzoxazine end groups

Abstract

Funding

Keywords

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