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Citation: NIE Kang-Ming, PANG Wen-Min, WANG Yu-Song, ZHU Qing-Ren. Synthesis and Properties of Non-covalently Bonded Polyester-Silica Hybrid Materials[J]. Chinese Journal of Applied Chemistry, ;2004, 21(12): 1269-1272. shu

Synthesis and Properties of Non-covalently Bonded Polyester-Silica Hybrid Materials

1.
a Structure Research Laboratory, University of Science and Technology of China, Chinese Academy of Sciences, Hefei 230026;
2.
b Department of Chemistry and Chemical Engineering, Anhui University, Hefei

Corresponding author: NIE Kang-Ming,
Received Date: 30 December 2003
Available Online: 15 May 2004
Fund Project: 安徽省自然科学基金资助项目(03044801) (03044801)

PCL/SiO₂ hybrid materials with non-covalently bonding between polymeric and inorganic components were synthesized from high molecular weight poly(ε-caprolactone)(PCL) by a sol-gel process. The FTIR and ¹³C NMR results confirm that the linkage between the polymeric and inorganic components occur mainly as a result of strongly intermolecular hydrogen bonding in the hybrid system. The transparency of the hybrid materials is good and the geling time is short when the volume ratio of THF to EtOH in the co-solvent is 100:16. DSC and TGA results show that the enthalpy of fusion and melting temperature of PCL for the hybrid materials decrease with increasing the content of the inorganic component and that the onset and the end points of thermal degradation temperature of PCL in the hybrid materials are up to 358℃ and 562℃, respectively.
- poly(ε-caprolactone)/silica,
- organic-inorganic hybrid,
- sol-gel process,
- transparent material
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