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NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR) >
NISCAIR PUBLICATIONS >
Research Journals >
Indian Journal of Fibre & Textile Research (IJFTR) >
IJFTR Vol.36 [2011] >
IJFTR Vol.36(3) [September 2011] >
| Title: | Chitosan-polyethylene glycol coated cotton membranes for wound dressings |
| Authors: | Gupta, Bhuvanesh
Saxena, Shalini
Arora, Abha
Alam, Mohammad Sarwar |
| Keywords: | Chitosan
Polyethylene glycol
Membrane
Wound dressing |
| Issue Date: | Sep-2011 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | Membranes have been developed by coating a blend of chitosan (CS) and
polyethylene glycol (PEG) of different molecular weights (4000, 10,000 and 20,000) on cotton fabric
followed by freeze drying. The influence of PEG molecular weight on the
physical characteristics of the membranes has been investigated. The scanning
electron microscopy of the coated fabric reveals porous structure. The porosity
of the material is found to be 51-70% and the pore size in the range of 75-120
microns. The increase in the PEG content in the blend composition causes
destabilization of pores, leading to an increase in the pore size with
elongated morphology. There seems to be phase separation between the two
components, which is an important factor for the observed behaviour of the
porous structure. The air and water permeability of the membranes tends to increase with the increase in PEG molecular weight. The PEG addition to membrane leads
to the development of a more flexible matrix depending on the amount of PEG. |
| Page(s): | 272-280 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-1025 (Online); 0971-0426 (Print) |
| Source: | IJFTR Vol.36(3) [September 2011]
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