Polymer-polymer Miscibility In Peo/cationic Starch And Peo/hydrophobic Starch Blends

dc.creatorPereira A.G.B.
dc.creatorPaulino A.T.
dc.creatorRubira A.F.
dc.creatorMuniz E.C.
dc.date2010
dc.date2015-06-26T12:41:23Z
dc.date2015-11-26T15:28:55Z
dc.date2015-06-26T12:41:23Z
dc.date2015-11-26T15:28:55Z
dc.date.accessioned2018-03-28T22:37:38Z
dc.date.available2018-03-28T22:37:38Z
dc.identifier
dc.identifierExpress Polymer Letters. , v. 4, n. 8, p. 488 - 499, 2010.
dc.identifier1788618X
dc.identifier10.3144/expresspolymlett.2010.62
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-77954656126&partnerID=40&md5=efea1cf0b58f804c95b69d9338d7be9d
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/91456
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/91456
dc.identifier2-s2.0-77954656126
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1261722
dc.descriptionThe main purposes were evaluating the influence of different starches on the miscibility with Poly(ethylene oxide) (PEO) and their effects on the spherulite growth rate. Polymer-polymer miscibility in PEO/cationic starch and PEO/hydrophobic starch blends consisting of different w/w ratios (100/0, 95/05, 90/10, 80/20, 70/30, 65/35 and 60/40) was investigated. This analysis was based on the depression in the equilibrium melting temperature (T m 0). By treating the data of thermal analysis (Differential Scanning Calorimetry - DSC) with Nishi-Wang equation, a positive value (0.68) was found for the interaction parameter of PEO/cationic starch. For PEO/hydrophobic starch blends, a negative value (-0.63) was obtained for the interaction parameter. The results suggested that PEO/cationic starch system should be immiscible. However, the system PEO/hydrophobic starch was considered to be miscible in the whole range of studied compositions. Through optical microscopy analysis, it was concluded that the spherulite growth rate is significantly affected by changing the amount and the type of starch as well. © BME-PT.
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dc.languageen
dc.publisher
dc.relationExpress Polymer Letters
dc.rightsfechado
dc.sourceScopus
dc.titlePolymer-polymer Miscibility In Peo/cationic Starch And Peo/hydrophobic Starch Blends
dc.typeArtículos de revistas


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