{"id":{"repo_id":"unt","oai_identifier":"info:ark/67531/metadc3153"},"canonical_url":"https://search.dev.ndltd.org/etd/unt/info:ark/67531/metadc3153","repository":{"repo_id":"unt","name":"University of North Texas","base_url":"https://digital.library.unt.edu/oai/"},"display":{"title":"Hypotheses for Scratch Behavior of Polymer Systems that Recover","abstract":"Scratch recovery is a desirable property of many polymer systems. The reason why some materials have demonstrated excellent scratch recovery while others do not has been a mystery. Explaining the scratch resistance based upon the hardness of a material or its crosslink density is incorrect. In this thesis, novel polymers were tested in an attempt to discover materials that show excellent scratch recovery - one of the most important parameters in determining the wear of a material. Several hypotheses were developed in an attempt to give an accurate picture of how the chemical structure of a polymer affects its scratch recovery. The results show that high scratch recovery is a complex phenomenon not solely dependent upon the presence of electronegative atoms such as fluorine.","abstract_html":"Scratch recovery is a desirable property of many polymer systems. The reason why some materials have demonstrated excellent scratch recovery while others do not has been a mystery. Explaining the scratch resistance based upon the hardness of a material or its crosslink density is incorrect. In this thesis, novel polymers were tested in an attempt to discover materials that show excellent scratch recovery - one of the most important parameters in determining the wear of a material. Several hypotheses were developed in an attempt to give an accurate picture of how the chemical structure of a polymer affects its scratch recovery. The results show that high scratch recovery is a complex phenomenon not solely dependent upon the presence of electronegative atoms such as fluorine.","abstract_has_math":false,"creators":["Bujard, Bernard"],"institution":"University of North Texas","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Gnade, Bruce","Brostow, Witold, 1934-","Reidy, Richard","Menard, Kevin P.","Bouanani, Mohamed El"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2002,"date_issued":"2002-05","date_published":"2002-05","updated_at":"2026-07-24T05:34:52Z","subjects":["Polymers.","Coatings.","polymer systems","wear","fluoropolymers","scratch resistance","scratch recovery"],"languages":["English"],"rights":["Public","Copyright","Bujard, Bernard","Copyright is held by the author, unless otherwise noted. All rights reserved."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["oclc: 51183154","https://digital.library.unt.edu/ark:/67531/metadc3153/","ark: ark:/67531/metadc3153"],"render_values":[{"text":"oclc: 51183154","href":null,"code":true},{"text":"https://digital.library.unt.edu/ark:/67531/metadc3153/","href":"https://digital.library.unt.edu/ark:/67531/metadc3153/","code":true},{"text":"ark: ark:/67531/metadc3153","href":null,"code":true}]}]},"links":{"outbound_url":"https://doi.org/10.12794/metadc3153","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Gnade, Bruce","Brostow, Witold, 1934-","Reidy, Richard","Menard, Kevin P.","Bouanani, Mohamed El"]},{"key":"dc:creator","label":"Author","values":["Bujard, Bernard"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2002-05"]},{"key":"dc:publisher","label":"Institution","values":["University of North Texas"]},{"key":"dc:type","label":"Dc Type","values":["Thesis or Dissertation"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Polymers.","Coatings.","polymer systems","wear","fluoropolymers","scratch resistance","scratch recovery"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]},{"key":"dc:rights","label":"Dc Rights","values":["Public","Copyright","Bujard, Bernard","Copyright is held by the author, unless otherwise noted. 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Several hypotheses were developed in an attempt to give an accurate picture of how the chemical structure of a polymer affects its scratch recovery. The results show that high scratch recovery is a complex phenomenon not solely dependent upon the presence of electronegative atoms such as fluorine."]},{"key":"dc:format","label":"Dc Format","values":["Text"]},{"key":"dc:title","label":"Title","values":["Hypotheses for Scratch Behavior of Polymer Systems that Recover"]}]}],"canonical_facts":{"dc:contributor":["Gnade, Bruce","Brostow, Witold, 1934-","Reidy, Richard","Menard, Kevin P.","Bouanani, Mohamed El"],"dc:creator":["Bujard, Bernard"],"dc:date":["2002-05"],"dc:description":["Scratch recovery is a desirable property of many polymer systems. The reason why some materials have demonstrated excellent scratch recovery while others do not has been a mystery. Explaining the scratch resistance based upon the hardness of a material or its crosslink density is incorrect. In this thesis, novel polymers were tested in an attempt to discover materials that show excellent scratch recovery - one of the most important parameters in determining the wear of a material. Several hypotheses were developed in an attempt to give an accurate picture of how the chemical structure of a polymer affects its scratch recovery. The results show that high scratch recovery is a complex phenomenon not solely dependent upon the presence of electronegative atoms such as fluorine."],"dc:format":["Text"],"dc:identifier":["oclc: 51183154","doi: 10.12794/metadc3153","https://digital.library.unt.edu/ark:/67531/metadc3153/","ark: ark:/67531/metadc3153"],"dc:language":["English"],"dc:publisher":["University of North Texas"],"dc:rights":["Public","Copyright","Bujard, Bernard","Copyright is held by the author, unless otherwise noted. 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