MONOMERS, POLYMERS AND CHARGE-TRANSFER COMPLEXES OF DITHIAFULVENES AND POLYMERS FROM 4,4'-SULFONYL DIPHENOL (2-BENZYLIDENE, 1,3-DITHIOLES, 1,3-DITHIOLIUM).

Persistent Link:
http://hdl.handle.net/10150/183817
Title:
MONOMERS, POLYMERS AND CHARGE-TRANSFER COMPLEXES OF DITHIAFULVENES AND POLYMERS FROM 4,4'-SULFONYL DIPHENOL (2-BENZYLIDENE, 1,3-DITHIOLES, 1,3-DITHIOLIUM).
Author:
FIGUEROA, FRANCISCO RAMON.
Issue Date:
1986
Publisher:
The University of Arizona.
Rights:
Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
Abstract:
Monomers, polymers, charge-transfer complexes of 2-benzylidene-1,3-dithioles (Dithiafulvenes), and 1,3-dithiolium (Dithiafulvenium) salts of dithioesters and poly(dithioesters) were synthesized. The infrared, nuclear magnetic resonance (NMR) and ultra violet spectra of these materials were also reported. Condensation polymerization of piperidinium tetrathio terephthalate with α-halocarbonyl compounds using phase-transfer techniques yielded poly(dithioesters) that upon dehydrative cyclization with sulfuric acid gave poly(1,3-dithiafulvenium) salts. Polymerization of substituted dithiafulvenes with diacid chlorides, p-phenylene diisocyanate or terephthalaldehyde yielded polymers with inherent viscosities of 0.10 dL/g to 0.21 dL/g. The electric resistivity of the charge-transfer complexes of several dithiafulvenes and the electron donors TCNQ and TNF measured by the two-probe method was found to be >10⁶ Ω.cm at room temperature, hence behaving like insulators. Polyesters and polyesterimides of 4,4'-sulfonyl diphenol were synthesized. The low molecular weight polymers had viscosities of 0.12 to 0.20 dL/g. The polymers formed brittle films and their IR and NMR spectra were reported.
Type:
text; Dissertation-Reproduction (electronic)
Keywords:
Electric conductivity.; Polymers -- Electric properties.
Degree Name:
Ph.D.
Degree Level:
doctoral
Degree Program:
Chemistry; Graduate College
Degree Grantor:
University of Arizona

Full metadata record

DC FieldValue Language
dc.language.isoenen_US
dc.titleMONOMERS, POLYMERS AND CHARGE-TRANSFER COMPLEXES OF DITHIAFULVENES AND POLYMERS FROM 4,4'-SULFONYL DIPHENOL (2-BENZYLIDENE, 1,3-DITHIOLES, 1,3-DITHIOLIUM).en_US
dc.creatorFIGUEROA, FRANCISCO RAMON.en_US
dc.contributor.authorFIGUEROA, FRANCISCO RAMON.en_US
dc.date.issued1986en_US
dc.publisherThe University of Arizona.en_US
dc.rightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.en_US
dc.description.abstractMonomers, polymers, charge-transfer complexes of 2-benzylidene-1,3-dithioles (Dithiafulvenes), and 1,3-dithiolium (Dithiafulvenium) salts of dithioesters and poly(dithioesters) were synthesized. The infrared, nuclear magnetic resonance (NMR) and ultra violet spectra of these materials were also reported. Condensation polymerization of piperidinium tetrathio terephthalate with α-halocarbonyl compounds using phase-transfer techniques yielded poly(dithioesters) that upon dehydrative cyclization with sulfuric acid gave poly(1,3-dithiafulvenium) salts. Polymerization of substituted dithiafulvenes with diacid chlorides, p-phenylene diisocyanate or terephthalaldehyde yielded polymers with inherent viscosities of 0.10 dL/g to 0.21 dL/g. The electric resistivity of the charge-transfer complexes of several dithiafulvenes and the electron donors TCNQ and TNF measured by the two-probe method was found to be >10⁶ Ω.cm at room temperature, hence behaving like insulators. Polyesters and polyesterimides of 4,4'-sulfonyl diphenol were synthesized. The low molecular weight polymers had viscosities of 0.12 to 0.20 dL/g. The polymers formed brittle films and their IR and NMR spectra were reported.en_US
dc.typetexten_US
dc.typeDissertation-Reproduction (electronic)en_US
dc.subjectElectric conductivity.en_US
dc.subjectPolymers -- Electric properties.en_US
thesis.degree.namePh.D.en_US
thesis.degree.leveldoctoralen_US
thesis.degree.disciplineChemistryen_US
thesis.degree.disciplineGraduate Collegeen_US
thesis.degree.grantorUniversity of Arizonaen_US
dc.contributor.committeememberHall, Henry K.en_US
dc.contributor.committeememberMarvel, Carl S.en_US
dc.identifier.proquest8615822en_US
dc.identifier.oclc697533222en_US
All Items in UA Campus Repository are protected by copyright, with all rights reserved, unless otherwise indicated.