Synhesis and characterization of PU-Si nanohybrid: Influence of silica on properties of UV-curable polyurethane acrylate

Eui Sung Jang, Sher Bahadar Khan, Joonsuk Choi, Jongchul Seo, Haksoo Han

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

UV-curable polyurethane acrylate-silica nanohybrid has been prepared by incorporating 1% of silica precursors into polyurethane acrylate (PU) polymer matrix using a sol-gel technique and were characterized by X-ray diffraction (XRD), fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The thermal properties were studied by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). TGA test revealed that the thermal decomposition temperature (Td50%) of the nanohybrid increased significantly, being 19 °C higher than that of pure PU while DSC measurements indicated that the introduction of 1 mass% of TEOS increased the glass transition temperature from 94 to 103 °C. Further the water sorption capacity of the PU was significantly decreased by the incorporation of TEOS.

Original languageEnglish
Pages (from-to)549-554
Number of pages6
JournalJournal of the Chemical Society of Pakistan
Volume33
Issue number4
Publication statusPublished - 2011 Aug 1

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Polyurethanes
Silicon Dioxide
Thermogravimetric analysis
Differential scanning calorimetry
Polymer matrix
Sol-gels
Sorption
Pyrolysis
Thermodynamic properties
X ray diffraction
Scanning electron microscopy
acrylic acid
Water
Temperature

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

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title = "Synhesis and characterization of PU-Si nanohybrid: Influence of silica on properties of UV-curable polyurethane acrylate",
abstract = "UV-curable polyurethane acrylate-silica nanohybrid has been prepared by incorporating 1{\%} of silica precursors into polyurethane acrylate (PU) polymer matrix using a sol-gel technique and were characterized by X-ray diffraction (XRD), fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The thermal properties were studied by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). TGA test revealed that the thermal decomposition temperature (Td50{\%}) of the nanohybrid increased significantly, being 19 °C higher than that of pure PU while DSC measurements indicated that the introduction of 1 mass{\%} of TEOS increased the glass transition temperature from 94 to 103 °C. Further the water sorption capacity of the PU was significantly decreased by the incorporation of TEOS.",
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Synhesis and characterization of PU-Si nanohybrid : Influence of silica on properties of UV-curable polyurethane acrylate. / Jang, Eui Sung; Khan, Sher Bahadar; Choi, Joonsuk; Seo, Jongchul; Han, Haksoo.

In: Journal of the Chemical Society of Pakistan, Vol. 33, No. 4, 01.08.2011, p. 549-554.

Research output: Contribution to journalArticle

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T2 - Influence of silica on properties of UV-curable polyurethane acrylate

AU - Jang, Eui Sung

AU - Khan, Sher Bahadar

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AB - UV-curable polyurethane acrylate-silica nanohybrid has been prepared by incorporating 1% of silica precursors into polyurethane acrylate (PU) polymer matrix using a sol-gel technique and were characterized by X-ray diffraction (XRD), fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The thermal properties were studied by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). TGA test revealed that the thermal decomposition temperature (Td50%) of the nanohybrid increased significantly, being 19 °C higher than that of pure PU while DSC measurements indicated that the introduction of 1 mass% of TEOS increased the glass transition temperature from 94 to 103 °C. Further the water sorption capacity of the PU was significantly decreased by the incorporation of TEOS.

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