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Luke Meyer thesis.pdf (2.61 MB)

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Structure-Property Relationships of N-Heterocycle Functionalized Triphenylphosphine Oxide-Based Poly (Arylene Ether)s

Meyer, Luke
http://rave.ohiolink.edu/etdc/view?acc_num=wright154651093060725

Abstract Details

2018, Master of Science (MS), Wright State University, Chemistry.
The synthesis of N-heterocycle functionalized triphenylphosphine oxide based PAEs, utilizing 3,5 difluorinated diphenyl sulfone systems was achieved. 3’-Iodo 3,5-difluorodiphenylsulfone was subjected to copper and palladium catalyzed coupling reactions with carbazole, phenothiazine, and indole. The syntheses of 3’-(9-carbazole) 3,5-difluorodiphenylsulfone, 3’-(9-phenothiazine) 3,5-difluorodiphenylsulfone, and 3’-(9-indole) 3,5-difluorodiphenylsulfone were successfully carried out. Copolymers with 4,4’ difluorotriphenylphosphine oxide, as well as 4,4’ dihydroxydiphenyl ether (DPE), as the nucleophilic partner, were prepared via standard nucleophilic aromatic substitution (NAS) polycondensataion reactions. Incorporation of the monomers containing N-heterocycle units was determined by NMR spectroscopy. All polymers displayed sufficient molecular weights (Mn) to allow for films to be cast from THF solution. Polymers in the series displayed excellent thermal stability with 5% weight loss temperatures (Td-5%) above 375 ⁰C, under a nitrogen atmosphere, and relatively high glass transition temperatures (Tg) ranging from 181 ⁰C for the DPS-PTZ based copolymers to 194 ⁰C for the indole-based copolymer.
Eric Fossum, Ph.D. (Advisor)
David Dolson, Ph.D. (Committee Member)
Kuppuswamy Arumugam, Ph.D. (Committee Member)
63 p.
Chemistry
Poly Arylene Ethers; PAEs; N-heterocycle functionalized triphenylphosphine oxide based PAEs

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Citations

  • Meyer, L. (2018). Structure-Property Relationships of N-Heterocycle Functionalized Triphenylphosphine Oxide-Based Poly (Arylene Ether)s [Master's thesis, Wright State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=wright154651093060725

    APA Style (7th edition)

  • Meyer, Luke. Structure-Property Relationships of N-Heterocycle Functionalized Triphenylphosphine Oxide-Based Poly (Arylene Ether)s. 2018. Wright State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=wright154651093060725.

    MLA Style (8th edition)

  • Meyer, Luke. "Structure-Property Relationships of N-Heterocycle Functionalized Triphenylphosphine Oxide-Based Poly (Arylene Ether)s." Master's thesis, Wright State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=wright154651093060725

    Chicago Manual of Style (17th edition)

wright154651093060725
188
© 2018, all rights reserved.
This open access ETD is published by Wright State University and OhioLINK.