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Polymer-Plastics Technology and Engineering Volume 48, 2009 - Issue 11
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Original Articles

Physico-Mechanical and Degradation Properties of Urea-Modified Chitosan Film Photocured with 1-Vinyl-2 Pyrrolidone

Mubarak A. Khan Radiation and Polymer Chemistry Laboratory, Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, Dhaka, BangladeshCorrespondence[email protected]
,
Rashidul Alam Radiation and Polymer Chemistry Laboratory, Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, Dhaka, Bangladesh
,
Md. Arifur Rahman Radiation and Polymer Chemistry Laboratory, Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, Dhaka, Bangladesh
,
Farhana G. Noor Radiation and Polymer Chemistry Laboratory, Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, Dhaka, Bangladesh
&
Ruhul A. Khan Radiation and Polymer Chemistry Laboratory, Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, Dhaka, Bangladesh
Pages 1206-1215 | Published online: 14 Oct 2009
 
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Abstract

Chitosan and urea modified chitosan films were prepared by solution casting. To improve the physico-mechanical properties of the chitosan/urea films, four formulations were prepared using 1-vinyl-2-pyrrolidon (NVP) (varied from 10–80% by weight) in methanol along with photo-initiator. The films were soaked (1–4 minutes) in the prepared formulations and photo-cured under UV-light at different intensities (5–35 pass). The physico-mechanical properties, polymer loading, gel content, water uptake and simulating weathering test of the NVP grafted photocured chitosan/urea film were carried out. Degradation of the chitosan/urea film was also observed. The scanning electron micrographs of the photo-cured chitosan/urea film showed smooth surface, compact and homogeneous structure.

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