{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/123686"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/123686","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Dielectric properties of polymers at microwave frequencies","abstract":"The measurement of the dielectric properties of a polymer system is an important physical characterization technique. With the ability to use microwave radiation for curing of polymer systems, the measurement of the dielectric properties at microwave frequencies is vital. The two polymer systems that have been investigated in this work are the epoxide system of EPON 828/ 4,4' DDS (diaminodiphenyl sulfone) and a series of well defined polystyrenes with varying end groups and end group concentrations. The Hewlett-Packard network analyzer has been used to measure both the real and imaginary parts of the dielectric in the frequency range of 1-18 GHz. Both coaxial airline and waveguide techniques were used.","abstract_html":"The measurement of the dielectric properties of a polymer system is an important physical characterization technique. With the ability to use microwave radiation for curing of polymer systems, the measurement of the dielectric properties at microwave frequencies is vital. The two polymer systems that have been investigated in this work are the epoxide system of EPON 828/ 4,4' DDS (diaminodiphenyl sulfone) and a series of well defined polystyrenes with varying end groups and end group concentrations. The Hewlett-Packard network analyzer has been used to measure both the real and imaginary parts of the dielectric in the frequency range of 1-18 GHz. Both coaxial airline and waveguide techniques were used.","abstract_has_math":false,"creators":["Smith, Victoria Kathleen"],"institution":"Virginia Polytechnic Institute and State University","degree_name":"M.S.","degree_level":"masters","degree_discipline":"Chemistry","degree_department":"Chemistry","school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1987,"date_issued":"1987","date_published":"1987","updated_at":"2026-07-22T22:20:29Z","subjects":[],"languages":["en"],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/10919/123686","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.department","label":"Department","values":["Chemistry"]},{"key":"dc:creator","label":"Author","values":["Smith, Victoria Kathleen"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2024-12-02T18:09:55Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2024-12-02T18:09:55Z"]},{"key":"dc:date.issued","label":"Date","values":["1987"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Polytechnic Institute and State University"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.dcmitype","label":"Dc Type Dcmitype","values":["Text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemistry"]},{"key":"thesis:degree_level","label":"Degree Level","values":["masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Virginia Polytechnic Institute and State University"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["In Copyright"]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/10919/123686"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The measurement of the dielectric properties of a polymer system is an important physical characterization technique. With the ability to use microwave radiation for curing of polymer systems, the measurement of the dielectric properties at microwave frequencies is vital. The two polymer systems that have been investigated in this work are the epoxide system of EPON 828/ 4,4' DDS (diaminodiphenyl sulfone) and a series of well defined polystyrenes with varying end groups and end group concentrations. The Hewlett-Packard network analyzer has been used to measure both the real and imaginary parts of the dielectric in the frequency range of 1-18 GHz. Both coaxial airline and waveguide techniques were used."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["M.S."]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Dielectric properties of polymers at microwave frequencies"]}]}],"canonical_facts":{"dc:contributor.department":["Chemistry"],"dc:creator":["Smith, Victoria Kathleen"],"dc:date.accessioned":["2024-12-02T18:09:55Z"],"dc:date.available":["2024-12-02T18:09:55Z"],"dc:date.issued":["1987"],"dc:description.abstract":["The measurement of the dielectric properties of a polymer system is an important physical characterization technique. With the ability to use microwave radiation for curing of polymer systems, the measurement of the dielectric properties at microwave frequencies is vital. The two polymer systems that have been investigated in this work are the epoxide system of EPON 828/ 4,4' DDS (diaminodiphenyl sulfone) and a series of well defined polystyrenes with varying end groups and end group concentrations. The Hewlett-Packard network analyzer has been used to measure both the real and imaginary parts of the dielectric in the frequency range of 1-18 GHz. Both coaxial airline and waveguide techniques were used."],"dc:description.degree":["M.S."],"dc:format.mimetype":["application/pdf"],"dc:identifier.uri":["https://hdl.handle.net/10919/123686"],"dc:language.iso":["en"],"dc:publisher":["Virginia Polytechnic Institute and State University"],"dc:rights":["In Copyright"],"dc:rights.uri":["http://rightsstatements.org/vocab/InC/1.0/"],"dc:title":["Dielectric properties of polymers at microwave frequencies"],"dc:type":["Thesis"],"dc:type.dcmitype":["Text"],"thesis:degree_discipline":["Chemistry"],"thesis:degree_level":["masters"],"thesis:degree_name":["M.S."],"thesis:institution_name":["Virginia Polytechnic Institute and State University"]},"updated_at":"2026-07-22T22:20:29Z"}