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Molin Guo Dissertation.pdf (15 MB)

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PROCESSING-STRUCTURE-PROPERTY RELATIONSHIPS IN CO-CONTINUOUS POLYMER BLENDS AND COMPOSITES

Guo, Molin
http://rave.ohiolink.edu/etdc/view?acc_num=case1593786851492932

Abstract Details

2020, Doctor of Philosophy, Case Western Reserve University, Macromolecular Science and Engineering.
As society evolves and technology develops further, the need for more advanced products is increasing, so polymeric materials are gaining ever more attraction because of their excellent properties such as lightweight, low cost and good resistance to corrosion. Polymer processing is one of the keys to achieve these unique materials. Various kinds of morphologies can be produced during polymer melt compounding including droplet-matrix, fibrillar, lamellar, or co-continuous structures. Co-continuous morphology, which has the coexistence of two continuous structures within the same volume, has been drawing more attention currently because of its specific superior properties including a combination of the features of both components in a favorable way, as well as additional characteristics by selectively localizing fillers in the co-continuous structures. Since processing-structure-property relationships are guiding principles in materials design, development, and tailoring, it is important to study them in co-continuous polymer blends and composites. In chapter 1 of this dissertation, the formation and properties of co-continuous blends and double-percolated co-continuous composites are introduced. In chapter 2, the formation of co-continuous poly(ethylene) oxide/ethylene-vinyl acetate blends as well as the effects of structure and processing on their surface roughness are explored. Moreover, two thermally conductive co-continuous ternary composites systems are reported in chapter 3. The role of viscosity ratio on filler distribution and electrical/thermal properties of the carbon nanofiber reinforced co-continuous polymer composites is discussed, along with the discussion of the effects of filler sizes on morphology and thermal conductivity of double-percolated polypropylene/poly(methyl methacrylate)/boron nitride polymer composites. Furthermore, two additional projects are demonstrated in chapter 4 and chapter 5. Chapter 4 compares the fiber length distribution in shear and extensional mixing in twin-screw extrusion of fiber-reinforced polymer composites, while chapter 5 proves the feasibility of using one-step extrusion to produce nanostructured lipid carriers. Finally, chapter 6 briefly concludes the research work in this dissertation, and contributions as well as future work are also covered.
Joao Maia (Advisor)
Ica Manas-Zloczower (Committee Member)
Svetlana Morozova (Committee Member)
Donald Feke (Committee Member)
Polymers
polymer processing; co-continuous structure; polymer blends; polymer composites

Recommended Citations

Citations

  • Guo, M. (2020). PROCESSING-STRUCTURE-PROPERTY RELATIONSHIPS IN CO-CONTINUOUS POLYMER BLENDS AND COMPOSITES [Doctoral dissertation, Case Western Reserve University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=case1593786851492932

    APA Style (7th edition)

  • Guo, Molin. PROCESSING-STRUCTURE-PROPERTY RELATIONSHIPS IN CO-CONTINUOUS POLYMER BLENDS AND COMPOSITES. 2020. Case Western Reserve University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=case1593786851492932.

    MLA Style (8th edition)

  • Guo, Molin. "PROCESSING-STRUCTURE-PROPERTY RELATIONSHIPS IN CO-CONTINUOUS POLYMER BLENDS AND COMPOSITES." Doctoral dissertation, Case Western Reserve University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=case1593786851492932

    Chicago Manual of Style (17th edition)

case1593786851492932
270
© 2020, some rights reserved.Creative Commons License PROCESSING-STRUCTURE-PROPERTY RELATIONSHIPS IN CO-CONTINUOUS POLYMER BLENDS AND COMPOSITES by Molin Guo is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. Based on a work at etd.ohiolink.edu.
This open access ETD is published by Case Western Reserve University School of Graduate Studies and OhioLINK.