Abstract
This chapter summarizes standard test methods for properties of polysaccharide-based biopolymers. Properties such as mechanical properties, oxygen and water vapor barrier, moisture sorption behavior, retrogradation and crystallinity, and surface tension were focused. ASTM D882 and ASTM D638 were described for mechanical property tests, including tensile strength, elongation at break, and Young's modulus. ASTM D1434 and ASTM E96 were discussed for oxygen permeability and water vapor transmission. In addition, the relationship between moisture sorption and environmental relative humidity described by equations of Guggenheim, Anderson, and de Boer and Brunauer, Emmett, and Teller were explicated. Dragg's law and X-ray diffraction were reviewed on how to monitor retrogradation and crystallization of the polysaccharide molecules. Owens-Wendt's theory and Zisman equation were expressed to test surface hydrophobicity of the polysaccharide-based biopolymer. Among these properties, mechanical properties are considered to be the most important properties that will ultimately determine the applicability of the biopolymers. Polysaccharide-based biopolymers overall demonstrate the weak mechanical and moisture barrier properties.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Processing and Development of Polysaccharide-Based Biopolymers for Packaging Applications
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
