화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.19, No.9, 876-882, September, 2011
DOI10.1007/s13233-011-0913-x  Export Citation
Synthesis and Characterization of Novel PPC-Silica Hybrid with Improved Thermal, Mechanical, and Water Sorption Properties
Sher Bahadar Khan1, 2, Jongchul Seo3, Eui Soung Jang4, Kalsoom Akhtar5, Kwang In Kim4, and Haksoo Han4, †
  • 1Chemistry Department, Faculty of Science, King Abdul Aziz University, P. O. Box 80203, Jeddah, 21589, Saudi Arabia
  • 2The Center of Excellence for Advanced Materials Research, King Abdul Aziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
  • 3Department of Packaging, Yonsei University, Gangwon, 220-710, Korea
  • 4Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 120-749, Korea
  • 5Division of Nano Sciences and Department of Chemistry, Ewha Womans University, Seoul, 120-750, Korea
E-mail:
Organic-inorganic hybrids (H1-H5) based on environmentally friendly and biodegradable polymer, poly (propylene carbonate) (PPC) and tetraethoxysilane (TEOS) were synthesized using the sol-gel technique. The synthesized hybrids were characterized structurally and morphologically by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and scanning electron microscopy (SEM). H1-H5 were examined in term of detailed thermal, mechanical, and anti-water sorption properties using thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA) nanoindentation, and thin film diffusion analysis, which revealed that H4 has the highest thermal, mechanical, and anti-water sorption properties. H4 greatly increased the thermal decomposition temperature (Td10%) and glass transition temperature, which are 45 and 11 ℃ higher than that of pure PPC. Accordingly, H4 showed a high storage modulus (2.54 × 109 Pa), elastic modulus (2.601 ± 0.110 GPa), hardness (0.175 ± 0.013 GPa), and lowest water absorption. This improvement in the thermal, mechanical, and anti-water absorption properties of PPC shows that PPC can be used as a packaging and bio-material.
Keywords:hybrid;poly(propylene carbonate);tetraethoxysilane;thermal property;mechanical property;water absorption property.
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