My Advisors and my Projects

My M.S. Thesis Advisor

B.S. 1957 and M.S. 1958, Metallurgical Engineering, University of California, Berkeley.

Ph.D.1965, Metalllurgical Engineering, Carnegie-Mellon University

In Spring 1999, he was the H.A. Morton visiting professor at Akron.
He is an American Physical Society (APS) fellow and Associate Editor of Macromolecules, a leading journal in polymer by American Chemical Society (ACS)

My M.S. Project

Using PEO as polymer electrolyte to carry ions for application in batteries.

Using different MW of PEO and different kinds of ions, KSCN, NaSCN, LiSCN, and so on. Measure electrical conductivity by impedance analysis. Nature of phases is characterized by Optical Microscopy with Hoffman Modulation Mode, X-ray Diffractometry (XRD) and DSC. Mixed ion and mixed MW were studied also. Relation between morphology and conductivity is found.

This work is published in
W. Preechatiwong and J.M. Schultz, "Electrical conductivity of poly(ethylene oxide)-alkali metal salt systems and effects of mixed salts and mixed molecular weights", Polymer, 37, 5109 (1996).

My Ph.D Thesis Advisor

B.S. 1972 and M.S. 1973, Chemical Engineering, Cornell University.

Ph.D. 1978, Polymer Science, University of Akron

My Ph.D. Project

Using Epoxidized Natural Rubber as a model adhesive to study effect of hydrolysis of PET on adhesion.

Using Epoxidized Natural Rubbers with mole percents of epoxide groups of 25 and 50% to see its adhesion strength to PET. Natural Rubber is used also to compare the results. PET is hydrolyzed in NaOH solution. Contact angle is used to tell wettability after hydrolyzed. T-peel is used to characterize adhesion strength. Peroxide is used to crosslink rubbers and compare results with uncrosslinked materials. Samples are tested at various peel rates and temperatures. Rate-Temperature Superposition is used to create a mastercurve.

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