Title of article :
Sol–gel derived organic/inorganic hybrid gels based on poly(2-hydroxyethyl aspartamide) and silica
Author/Authors :
Jeon، نويسنده , , Young Sil and Lei، نويسنده , , Jing-Gung Chung، نويسنده , , Dong June and Kim، نويسنده , , Ji-Heung and Choe، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2009
Pages :
6
From page :
544
To page :
549
Abstract :
The sol–gel derived polymer/silicate hybrid materials have attracted considerable attention in recent years. The incorporation of silicate phase into polymeric materials may constitute an important tool to either enhance mechanical properties or provide more biocompatibility to the resulting hybrids. PHEA, α,β-poly(N-2-hydroxyethyl-dl-aspartamide), is a class of poly(amino acid)s that has been widely studied as a biodegradable functional polymer with potential biomedical and pharmaceutical applications. Hydrogels from PHEA are formed easily by a chemical or physical crosslinking reaction but the resulting gels are mechanically weak and less thermally stable. In this study, hybrid materials were prepared based on PHEA and silicate. A sol–gel process was employed using TEOS and modified PHEA to introduce inorganic silicate phase within the polymer gel matrix. FT-IR and NMR were used to analyze the chemical structure of the PHEA derivatives. In addition, the morphology, thermal and swelling properties of the hybrid gels were examined.
Keywords :
organic–inorganic hybrid , silicate , Hydrogel , Poly(amino acid) , Sol–gel
Journal title :
Journal of Industrial and Engineering Chemistry
Serial Year :
2009
Journal title :
Journal of Industrial and Engineering Chemistry
Record number :
1708526
Link To Document :
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