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Type: Artigo de periódico
Title: Adhesion And Morphology Of Pvdf/pmma And Compatibilized Pvdf/ps Interfaces
Author: Siqueira D.F.
Galembeck F.
Nunes S.P.
Abstract: The morphology of the interface between miscible and immiscible polymer pairs was investigated. For the PVDF/PMMA system, which has a highly exothermic enthalpy of mixing, complex structures suggest the occurrence of bulk convective motion at the contact area between the two polymer melts. The immiscible pair PVDF/PS, displays a smooth interface under similar conditions. A simple method for testing compatibilizers is described. Using this method, styrene-methylmethacrylate random copolymers and PMMA were investigated as compatibilizers for the PVDF/PS blend. PVDF/PMMA/PS (1:1:1) ternary blends show some heterogeneity with small domains but their maximum tensile strength is of the same magnitude as that of PVDF/PMMA blends. © 1991.
Rights: fechado
Identifier DOI: 10.1016/0032-3861(91)90584-6
Date Issue: 1991
Appears in Collections:Unicamp - Artigos e Outros Documentos

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