THE STRUCTURE AND PROPERTIES OF CHITOSAN/POLYETHYLENE GLYCOL/SILICA TERNARY HYBRID ORGANIC-INORGANIC FILMS

Rui Song a; Rui Xue a; Ying Liu a; Qiao-ling Xiao b

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THE STRUCTURE AND PROPERTIES OF CHITOSAN/POLYETHYLENE GLYCOL/SILICA TERNARY HYBRID ORGANIC-INORGANIC FILMS

Papers | Updated：2021-06-21

- THE STRUCTURE AND PROPERTIES OF CHITOSAN/POLYETHYLENE GLYCOL/SILICA TERNARY HYBRID ORGANIC-INORGANIC FILMS
- Vol. 26, Issue 5, Pages: 621-630(2008)
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- Published：20 September 2008
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Rui Song a, Rui Xue a, Ying Liu a, et al. THE STRUCTURE AND PROPERTIES OF CHITOSAN/POLYETHYLENE GLYCOL/SILICA TERNARY HYBRID ORGANIC-INORGANIC FILMS[J]. 2008, 26(5): 621-630.
DOI：

Rui Song a, Rui Xue a, Ying Liu a, et al. THE STRUCTURE AND PROPERTIES OF CHITOSAN/POLYETHYLENE GLYCOL/SILICA TERNARY HYBRID ORGANIC-INORGANIC FILMS[J]. 2008, 26(5): 621-630. DOI：

摘要

The ternary hybrid films consisting of chitosan (CS)

polyethylene glycol (PEG) and nano-sized silica which was surface-modified by amino groups (RNSA) were prepared. The structures of the blend membranes were characterized by attenuation total reflection-infrared spectroscopy (ATR-IR)

X-ray diffraction (XRD)

optical microscopy (OM) and differential scanning calorimetry (DSC). The results showed that the addition of silica affected not only the distribution and crystallinity of PEG on the sample surface

but also the phase coarseness and the crystalline structure of chitosan in the blend system. Moreover

PEG changed the crystalline structure of chitosan. Upon annealing (at 100°C for 1 h)

the blends would show the altered crystalline structure of chitosan

the reinforced phase coarseness

as well as the decreased miscibility and interaction between chitosan and PEG.

Abstract

The ternary hybrid films consisting of chitosan (CS)

X-ray diffraction (XRD)

optical microscopy (OM) and differential scanning calorimetry (DSC). The results showed that the addition of silica affected not only the distribution and crystallinity of PEG on the sample surface

but also the phase coarseness and the crystalline structure of chitosan in the blend system. Moreover

PEG changed the crystalline structure of chitosan. Upon annealing (at 100°C for 1 h)

the blends would show the altered crystalline structure of chitosan

the reinforced phase coarseness

as well as the decreased miscibility and interaction between chitosan and PEG.

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