Role of free volume in mechanical behaviors of side chain lcp grafted products of high density polyethylene

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dc.authorid0000-0001-6936-4388en_US
dc.authorid0000-0001-7930-4442en_US
dc.authorid0000-0002-6587-883Xen_US
dc.authorid0000-0002-9244-026en_US
dc.contributor.authorŞen, Behiye Öztürk
dc.contributor.authorÇetin, Sedat
dc.contributor.authorYahşi, Uğur
dc.contributor.authorSoykan, Uğur
dc.date.accessioned2023-07-04T07:12:56Z
dc.date.available2023-07-04T07:12:56Z
dc.date.issued2021en_US
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Kimya Bölümüen_US
dc.descriptionBAIBU research funden_US
dc.description.abstractThe monomer, p-benzophenoneoxycarbonylphenyl methacrylate (BPOCPMA) the polymer of which exhibit mesomorphic behavior as side chain LCP has been graft copolymerized onto high density polyethylene (HDPE) in order to improve its properties. The PALS analysis of the products displayed that the graft copolymerization, while led to relatively small increase in the free volume size at low percentages of poly(BPOCPMA), resulted in decreases in the size and fraction of the free volume with the increase of poly(BPOCPMA) content. The graft copolymerization gave rise to remarkable improvements in the mechanical properties, especially in tensile strength and modulus, and the improvements were accompanied by the decreases in the free volume fraction. SEM analysis of the fracture surfaces of the mechanical test samples displayed a gradual transition from ductile fracture at low graft contents to brittle nature dominated at high percentages of poly(BPOCPMA). The XRD analysis showed significant expansions in the lateral dimensions (a and b parameters) of the orthorhombic unit cell in the crystalline domains of HDPE matrix, in consistence with poly(BPOCPMA) content. The grafting also gave rise to noteworthy increases in the crystalline melting temperature of the HDPEen_US
dc.description.sponsorshipBAIBU research fund [BAP-2010.03.03.372]en_US
dc.identifier.citationSen, B. O., Cetin, S., Yahşi, U., & Soykan, U. (2021). Role of free volume in mechanical behaviors of side chain lcp grafted products of high density polyethylene. Journal of Polymer Research, 28, 1-18.en_US
dc.identifier.doi10.1007/s10965-021-02646-3
dc.identifier.endpage18en_US
dc.identifier.issn1022-9760
dc.identifier.issn1572-8935
dc.identifier.issue8en_US
dc.identifier.scopus2-s2.0-85110998650en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage1en_US
dc.identifier.urihttp://dx.doi.org/10.1007/s10965-021-02646-3
dc.identifier.urihttps://hdl.handle.net/20.500.12491/11227
dc.identifier.volume28en_US
dc.identifier.wosWOS:000691546000002en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorÇetin, Sedat
dc.institutionauthorSoykan, Uğur
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of Polymer Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectGraftingen_US
dc.subjectCopolymersen_US
dc.subjectMorphologyen_US
dc.subjectFree Volumeen_US
dc.subjectMechanical Propertiesen_US
dc.subjectX-Ray-Scatteringen_US
dc.titleRole of free volume in mechanical behaviors of side chain lcp grafted products of high density polyethyleneen_US
dc.typeArticleen_US

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