Date Thesis Awarded
Honors Thesis -- Access Restricted On-Campus Only
Bachelors of Science (BS)
David E. Kranbuehl
Michael J. Pacella
Deborah C. Bebout
Polyamides are one of the most widely used thermoplastics in the world due to their strength, toughness, stiffness, abrasion resistance, and retention of physical and mechanical properties over large temperature ranges. They are of extreme importance in a variety of industrial fields such as crude-oil transport in deep water environments, transport of natural gas, automobile applications in fuel lines, etc. Thus, research on the changes in their molecular and mechanical properties during aging in varying environments is important. The research herein examines the aging of two polyamide polymers, PA-11 and PA-12, and the resulting changes in their molecular and performance properties at different temperatures, in anaerobic environments, and neutral pH. The specific objective of this research is to observe the changes in the molecular weight, chain length, during the aging of the two polyamides to form a comparison between general amide bond hydrolysis kinetics for PA-11 vs. PA-12.
Blevins, Charles J., "Characterization of Polyamide-12; Hydrolysis Kinetics Comparison, and the Study of Crude-oil Pipeline Applications" (2013). Undergraduate Honors Theses. William & Mary. Paper 608.
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