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Effect of starch loading on the thermo-mechanical and morphological properties of polyurethane composites

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dc.citedby16
dc.contributor.authorGaaz T.S.en_US
dc.contributor.authorSulong A.B.en_US
dc.contributor.authorAnsari M.N.M.en_US
dc.contributor.authorKadhum A.A.H.en_US
dc.contributor.authorAl-Amiery A.A.en_US
dc.contributor.authorNassir M.H.en_US
dc.contributor.authorid57057714900en_US
dc.contributor.authorid14919776300en_US
dc.contributor.authorid55489853600en_US
dc.contributor.authorid35546574700en_US
dc.contributor.authorid42060956400en_US
dc.contributor.authorid56677660300en_US
dc.date.accessioned2023-05-29T06:38:03Z
dc.date.available2023-05-29T06:38:03Z
dc.date.issued2017
dc.descriptionComposite materials; Impact strength; Mechanical properties; Polyurethanes; Scanning electron microscopy; Thermodynamic stability; Crystallization temperature; Fractured surfaces; Morphological properties; Polyurethane composites; Renewable materials; Starch composites; Thermo-mechanical; Thermomechanical properties; Starchen_US
dc.description.abstractThe advancements in material science and technology have made polyurethane (PU) one of the most important renewable polymers. Enhancing the physio-chemical and mechanical properties of PU has become the theme of this and many other studies. One of these enhancements was carried out by adding starch to PU to form new renewable materials called polyurethane-starch composites (PUS). In this study, PUS composites are prepared by adding starch at 0.5, 1.0, 1.5, and 2.0 wt.% to a PU matrix. The mechanical, thermal, and morphological properties of PU and PUS composites were investigated. Scanning electron microscope (SEM) images of PU and PUS fractured surfaces show cracks and agglomeration in PUS at 1.5 wt.% starch. The thermo-mechanical properties of the PUS composites were improved as starch content increased to 1.5 wt.% and declined by more starch loading. Despite this reduction, the mechanical properties were still better than that of neat PU. The mechanical strength increased as starch content increased to 1.5 wt.%. The tensile, flexural, and impact strengths of the PUS composites were found to be 9.62 MPa, 126.04 MPa, and 12.87 � 10-3 J/mm2, respectively, at 1.5 wt.% starch. Thermal studies showed that the thermal stability and crystallization temperature of the PUS composites increased compared to that of PU. The loss modulus curves showed that neat PU crystallizes at 124 �C and at 127 �C for PUS-0.5 wt.% and rises with increasing loading from 0.5 to 2 wt.%. � 2017 by the authors.en_US
dc.description.natureFinalen_US
dc.identifier.ArtNo777
dc.identifier.doi10.3390/ma10070777
dc.identifier.issue7
dc.identifier.scopus2-s2.0-85024131969
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85024131969&doi=10.3390%2fma10070777&partnerID=40&md5=5b13149291950db9f3923754e8ac4c73
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/23155
dc.identifier.volume10
dc.publisherMDPI AGen_US
dc.relation.ispartofAll Open Access, Gold, Green
dc.sourceScopus
dc.sourcetitleMaterials
dc.titleEffect of starch loading on the thermo-mechanical and morphological properties of polyurethane compositesen_US
dc.typeArticleen_US
dspace.entity.typePublication
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