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Control of fungal growth on PVC building composites blended with residual material (Lignin)

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Control of fungal growth on PVC building composites blended with residual material (Lignin)

Vasudeva, Rishi Kumar (2004) Control of fungal growth on PVC building composites blended with residual material (Lignin). Masters thesis, Concordia University.

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Abstract

Sustainable engineering uses residuals as components of new building materials. This research makes focus on resistance of such new materials to microbial growth. Microbial growth on polymer building composites renders the materials discoloured cracked; and it also causes loss in mechanical properties of material. Present work investigated best formulation of PVC (Poly Vinyl Chloride) composites blended with residual materials such as lignin. Four different types of plasticizers and three different types of lignins are used in PVC composite formulations. The spore suspension of five different fungal species was used to inoculate the series of vinyl formulations blended without lignin and with lignin. The specimens were kept for an incubation period of 28 days under the most favourable conditions for fungal growth. After fungal attack the specimens were studied under microscope to analyze the changes at the surface and tested for mechanical and thermal properties. (Abstract shortened by UMI.)

Divisions:Concordia University > Faculty of Engineering and Computer Science > Building, Civil and Environmental Engineering
Item Type:Thesis (Masters)
Authors:Vasudeva, Rishi Kumar
Pagination:xxii, 137 leaves : ill. some col. ; 29 cm.
Institution:Concordia University
Degree Name:M.A. Sc.
Program:Building, Civil and Environmental Engineering
Date:2004
Thesis Supervisor(s):Elektorowicz, M
ID Code:8380
Deposited By:Concordia University Libraries
Deposited On:18 Aug 2011 14:23
Last Modified:18 Aug 2011 15:33
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