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MECHANO-OPTICAL BEHAVIORS OF IONOMERS

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2015, Master of Science in Polymer Engineering, University of Akron, Polymer Engineering.
The ionomer, zinc neutralized sulfonated ethylene-propylene-diene monomer terpolymer (Zn-S-EPDM), was synthesized. The neutralization of the polymeric sulfonic acid to the metal sulfonate results in special ionic association which forms an effectively cross-linked structure, known as ionic domain. The sulfonation degree, a magnitude of the density of the ionic domains, was characterized qualitatively by using Fourier Transform Infrared Spectroscopy (FTIR) and quantitatively by combustion analysis. The effect of the sulfonation degree was studied. The mechanical properties and mechano-optical properties of the materials were investigated by using the real time spectral birefringence stretching machine. The thermal transition behavior and thermal degradation processes were studied by Differential Scanning Calorimeter (DSC) and thermogravimetric analysis (TGA) respectively. Small-angle X-ray scattering (SAXS) was employed to give an insight into the microstructure of ionic domains. The properties of the zinc stearate plasticized Zn-SEPDM system was also studied. Zinc stearate was found as a highly effective plasticizer which not only enhances the mechanical properties of the Zn-SEPDM but also reduces the viscosity of the system during the manufacturing process at high temperatures. The effect of zinc stearate and its special association with the ionic domains were investigated with the same devices as mentioned in previous paragraph.
Robert Weiss (Advisor)
Mukerrem Cakmak (Advisor)
Kevin Cavicchi (Committee Member)

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Citations

  • Zhang, L. (2015). MECHANO-OPTICAL BEHAVIORS OF IONOMERS [Master's thesis, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1439291328

    APA Style (7th edition)

  • Zhang, Linkun. MECHANO-OPTICAL BEHAVIORS OF IONOMERS. 2015. University of Akron, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=akron1439291328.

    MLA Style (8th edition)

  • Zhang, Linkun. "MECHANO-OPTICAL BEHAVIORS OF IONOMERS." Master's thesis, University of Akron, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1439291328

    Chicago Manual of Style (17th edition)