Linear and non-linear rheological behavior of polypropylene/polyamide blends modified with a compatibilizer agent and nanosilica and its relationship with the morphology
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- 作者：Leire Sangroniza ; Jordana K. Palaciosa ; Mercedes Ferná ; ndeza ; José ; Ignacio Eguiazabala ; Antxon Santamariaa ; antxon.santamaria@ehu.es" class="auth_mail" title="E-mail the corresponding author ; Alejandro J. Mü ; llera ; b ; alejandrojesus.muller@ehu.es" class="auth_mail" title="E-mail the corresponding author
- 关键词：Polymer blends ; Nanocomposites ; Morphology ; Rheology ; Coalescence ; LAOS
- 刊名：European Polymer Journal
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：83
- 期：Complete
- 页码：10-21
- 全文大小：1816 K
文摘
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Nanosilica particles locate either on the interface or on the dispersed phase of the 80/20 PP/PA blends depending on their surface treatment.
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A clear relation between Small Amplitude Oscillatory Shear (SAOS) experiments results and morphology and interfacial tension between PP and PA is found.
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The coalescence of PA droplets promoted by an applied continuous flow has been studied.
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An unique equation that links a non-linear viscoelastic parameter obtained by Large Amplitude Oscillatory Shear (LAOS) and the radius of PA droplets has been obtained.