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dc.contributor.authorChu, PPen_US
dc.contributor.authorHuang, JMen_US
dc.contributor.authorWu, HDen_US
dc.contributor.authorChiang, CRen_US
dc.contributor.authorChang, FCen_US
dc.date.accessioned2014-12-08T15:46:31Z-
dc.date.available2014-12-08T15:46:31Z-
dc.date.issued1999-06-01en_US
dc.identifier.issn0887-6266en_US
dc.identifier.urihttp://hdl.handle.net/11536/31295-
dc.identifier.urihttp://dx.doi.org/10.1002/(SICI)1099-0488(19990601)37:11<1155en_US
dc.description.abstractThe effects of the compatibilizer, styrene maleic anhydride (SMA-8% MA) upon the change of morphology and molecular dynamics of polyamide-6 (PA6) and poly (2,6-dimethyl-1,4-phenylene oxide) (PPO) blends were investigated by means of solid-state NMR techniques. With increasing amounts of SMA, the domains correspond to PA6 and PPO are reduced and the polymer segmental mobility increased. The correlation between NMR relaxation time, T-1p(H), and the bulk mechanical properties provide a molecular level understanding of the modification of molecular dynamics by the compatibilizer (SMA). The correlation shows that the tensile strength is governed mainly by the morphology, but modulated by the PA6 crystallinity, while the tensile elongation and impact strength are closely affected by both the molecular mobility and morphology. The annealing process improved only the tensile strength, but deteriorated tensile elongation and impact strength due to the increase of PA6 crystallinity, which induced phase separation after annealing. This study raised an important point that the polymer mechanical properties are most sensitive to the molecular structure and dynamics take place within the range of 20 Angstrom to few hundred Angstrom. (C) 1999 John Wiley & Sons, Inc.en_US
dc.language.isoen_USen_US
dc.subjectpolyamide-6en_US
dc.subjectpoly(phenylene oxide)en_US
dc.subjectpolymer blenden_US
dc.subjectmechanical propertiesen_US
dc.subjectT-1(rho)Hen_US
dc.subjectsolid-state NMRen_US
dc.titleMolecular dynamics and mechanical properties correlations of PA6/PPO blends compatibilized with SMAen_US
dc.typeArticleen_US
dc.identifier.doi10.1002/(SICI)1099-0488(19990601)37:11<1155en_US
dc.identifier.journalJOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICSen_US
dc.citation.volume37en_US
dc.citation.issue11en_US
dc.citation.spage1155en_US
dc.citation.epage1163en_US
dc.contributor.department應用化學系zh_TW
dc.contributor.departmentDepartment of Applied Chemistryen_US
dc.identifier.wosnumberWOS:000079837100010-
dc.citation.woscount9-
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