{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/32936"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/32936","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Production And Structure/Properties Of Nylon-6 Core / Isotactic Polypropylene Sheath Bicomponent Fibers Suitable For Use In Carpeting Applications","abstract":"Bicomponent fibers consisting of nylon-6 and isotactic polypropylene were produced. In-situ, reactive compatibilization was achieved using a maleic anhydride functionalized polypropylene between the materials at the interface. The overall goal of the research was to produce a bicomponent fiber of these materials that would be suitable for use in commercial carpet applications. Carpet samples produced using nylon-6 core / polypropylene sheath bicomponent fibers displayed stain resistance comparable to a wholly polypropylene carpet. The wear characteristics of these fibers were found to be strongly dependent upon the maleic anhydride content and the molecular weight of the maleic anhydride functionalized polypropylene. Adhesion between the nylon-6 and polypropylene phases, and the mechanical properties of the polypropylene phase were affected by the addition of the functionalized polypropylene. Additional information regarding the processing conditions necessary to produce fibers of the desired cross-section from these materials was obtained using capillary rheometry. A number of analytical techniques including DSC, TGA, and SEM were used to better understand the structure of the maleated materials.","abstract_html":"Bicomponent fibers consisting of nylon-6 and isotactic polypropylene were produced. In-situ, reactive compatibilization was achieved using a maleic anhydride functionalized polypropylene between the materials at the interface. The overall goal of the research was to produce a bicomponent fiber of these materials that would be suitable for use in commercial carpet applications. Carpet samples produced using nylon-6 core / polypropylene sheath bicomponent fibers displayed stain resistance comparable to a wholly polypropylene carpet. The wear characteristics of these fibers were found to be strongly dependent upon the maleic anhydride content and the molecular weight of the maleic anhydride functionalized polypropylene. Adhesion between the nylon-6 and polypropylene phases, and the mechanical properties of the polypropylene phase were affected by the addition of the functionalized polypropylene. Additional information regarding the processing conditions necessary to produce fibers of the desired cross-section from these materials was obtained using capillary rheometry. A number of analytical techniques including DSC, TGA, and SEM were used to better understand the structure of the maleated materials.","abstract_has_math":false,"creators":["Godshall, David Leonard"],"institution":"Virginia Tech","degree_name":"Master of Science","degree_level":"masters","degree_discipline":"Chemical Engineering","degree_department":"Chemical Engineering","school":null,"contributors":[],"advisors":[],"committee_chairs":["Wilkes, Garth L."],"committee_members":["Davis, Richey M.","Baird, Donald G."],"year":1999,"date_issued":"1999-02-01","date_published":"1999-02-01","updated_at":"2026-07-22T22:19:04Z","subjects":["Compatabilization","Fiber","Maleic Anhydride","Bicomponent"],"languages":[],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-051799-222211"],"render_values":[{"text":"etd-051799-222211","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10919/32936","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.committeechair","label":"Committee Chair","values":["Wilkes, Garth L."]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Davis, Richey M.","Baird, Donald G."]},{"key":"dc:contributor.department","label":"Department","values":["Chemical Engineering"]},{"key":"dc:creator","label":"Author","values":["Godshall, David Leonard"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-03-14T20:37:26Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-03-14T20:37:26Z","2000-05-28"]},{"key":"dc:date.issued","label":"Date","values":["1999-02-01"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Tech"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Virginia Polytechnic Institute and State University"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Compatabilization","Fiber","Maleic Anhydride","Bicomponent"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"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.other","label":"Dc Identifier Other","values":["etd-051799-222211"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10919/32936"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Bicomponent fibers consisting of nylon-6 and isotactic polypropylene were produced. In-situ, reactive compatibilization was achieved using a maleic anhydride functionalized polypropylene between the materials at the interface. The overall goal of the research was to produce a bicomponent fiber of these materials that would be suitable for use in commercial carpet applications. Carpet samples produced using nylon-6 core / polypropylene sheath bicomponent fibers displayed stain resistance comparable to a wholly polypropylene carpet. The wear characteristics of these fibers were found to be strongly dependent upon the maleic anhydride content and the molecular weight of the maleic anhydride functionalized polypropylene. Adhesion between the nylon-6 and polypropylene phases, and the mechanical properties of the polypropylene phase were affected by the addition of the functionalized polypropylene. Additional information regarding the processing conditions necessary to produce fibers of the desired cross-section from these materials was obtained using capillary rheometry. A number of analytical techniques including DSC, TGA, and SEM were used to better understand the structure of the maleated materials."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Master of Science"]},{"key":"dc:title","label":"Title","values":["Production And Structure/Properties Of Nylon-6 Core / Isotactic Polypropylene Sheath Bicomponent Fibers Suitable For Use In Carpeting Applications"]}]}],"canonical_facts":{"dc:contributor.committeechair":["Wilkes, Garth L."],"dc:contributor.committeemember":["Davis, Richey M.","Baird, Donald G."],"dc:contributor.department":["Chemical Engineering"],"dc:creator":["Godshall, David Leonard"],"dc:date.accessioned":["2014-03-14T20:37:26Z"],"dc:date.available":["2014-03-14T20:37:26Z","2000-05-28"],"dc:date.issued":["1999-02-01"],"dc:description.abstract":["Bicomponent fibers consisting of nylon-6 and isotactic polypropylene were produced. In-situ, reactive compatibilization was achieved using a maleic anhydride functionalized polypropylene between the materials at the interface. The overall goal of the research was to produce a bicomponent fiber of these materials that would be suitable for use in commercial carpet applications. Carpet samples produced using nylon-6 core / polypropylene sheath bicomponent fibers displayed stain resistance comparable to a wholly polypropylene carpet. The wear characteristics of these fibers were found to be strongly dependent upon the maleic anhydride content and the molecular weight of the maleic anhydride functionalized polypropylene. Adhesion between the nylon-6 and polypropylene phases, and the mechanical properties of the polypropylene phase were affected by the addition of the functionalized polypropylene. Additional information regarding the processing conditions necessary to produce fibers of the desired cross-section from these materials was obtained using capillary rheometry. A number of analytical techniques including DSC, TGA, and SEM were used to better understand the structure of the maleated materials."],"dc:description.degree":["Master of Science"],"dc:identifier.other":["etd-051799-222211"],"dc:identifier.uri":["http://hdl.handle.net/10919/32936"],"dc:publisher":["Virginia Tech"],"dc:rights":["In Copyright"],"dc:rights.uri":["http://rightsstatements.org/vocab/InC/1.0/"],"dc:subject":["Compatabilization","Fiber","Maleic Anhydride","Bicomponent"],"dc:title":["Production And Structure/Properties Of Nylon-6 Core / Isotactic Polypropylene Sheath Bicomponent Fibers Suitable For Use In Carpeting Applications"],"dc:type":["Thesis"],"thesis:degree_discipline":["Chemical Engineering"],"thesis:degree_level":["masters"],"thesis:degree_name":["Master of Science"],"thesis:institution_name":["Virginia Polytechnic Institute and State University"]},"updated_at":"2026-07-22T22:19:04Z"}