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Description: Polyhydroxyalkanoate (PHA) polymers are synthesized by a gram negative bacteria in the genus Pseudomonas as energy storage molecules. The carbon substrates for bacterial growth and PHA production can be renewable, resulting in the production of biodegradable polymers, which could substitute for non-sustainable synthetic plastics. The use of different carbon sources can create polymers of various lengths and monomer composition. These variations in structural composition result in distinct physical and thermal properties, which can be analyzed using a number of methods. This presentation focuses on the Fourier-transform infrared spectroscopy (FTIR) method, a relatively inexpensive and quick method that estimates the structure of materials using the infrared absorption of a material. The material is subjected to different wavelengths that are absorbed by the various bonds between elements, each structural composition will have a unique absorption signature. The rapid identification of chemical composition using FTIR aids in understanding both physical and thermal properties. This work correlates the chemical, physical, and thermal properties of PHAs to FTIR data of the polymer. The structural analysis of PHAs, and corresponding properties, will help determine potential plastic applications.

Keywords: Polyhydroxyalkanoate, carbon substrates, physical and thermal properties, Fourier-transform infrared spectroscopy
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Date: 2018-07-22
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Conference name: CSBE/SCGAB 2018 Annual Conference, School of Engineering, University of Guelph, Guelph, Ontario, July 22-25 2018.
Session name: Poster Session

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Type: Text.Article
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Publication type: Technical conference
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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