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INTERFACE MORPHOLOGY AND PHASE SEPARATION IN POLYMER DISPERSED LIQUID CRYSTAL (PDLC) COMPOSITES

JUSTICE, RYAN SCOTT
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1163783056

Abstract Details

2006, MS, University of Cincinnati, Engineering : Materials Science.
Based on both imaging and some small-angle scattering, the literature suggests the phase separation between the polymer and liquid crystal (LC) phases in polymer dispersed liquid crystal (PDLC) composites results in a pure LC phase with a sharp and smooth interface. In this work, based on analysis of similar data, this conventional picture is brought into question. Here, we examine the two-phase morphology in an acrylate-based system that develops during polymerization-induced phase separation. Using ultra-small and small angle x-ray scattering in corroboration with microscopy, this work analyzes the affects of LC loading, PDLC recipe, and sample processing on the developing morphology between the two phases. From these analyses, we find inconsistencies between the literature and our experiments regarding the impact of recipe constituents and sample processing on LC domain size. Further, we find that interfaces in PDLCs are seemingly much more disordered than generally appreciated.
Dr. Dale Schaefer (Advisor)
68 p.
Engineering, Materials Science
ultra-small angle x-ray scattering; interface morphology; liquid crystal

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Citations

  • JUSTICE, R. S. (2006). INTERFACE MORPHOLOGY AND PHASE SEPARATION IN POLYMER DISPERSED LIQUID CRYSTAL (PDLC) COMPOSITES [Master's thesis, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1163783056

    APA Style (7th edition)

  • JUSTICE, RYAN. INTERFACE MORPHOLOGY AND PHASE SEPARATION IN POLYMER DISPERSED LIQUID CRYSTAL (PDLC) COMPOSITES. 2006. University of Cincinnati, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ucin1163783056.

    MLA Style (8th edition)

  • JUSTICE, RYAN. "INTERFACE MORPHOLOGY AND PHASE SEPARATION IN POLYMER DISPERSED LIQUID CRYSTAL (PDLC) COMPOSITES." Master's thesis, University of Cincinnati, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1163783056

    Chicago Manual of Style (17th edition)

ucin1163783056
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© 2006, all rights reserved.
This open access ETD is published by University of Cincinnati and OhioLINK.