Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/76765
Type: Artigo de periódico
Title: ADHESION AND MORPHOLOGY OF PVDF PMMA AND COMPATIBILIZED PVDF PS INTERFACES
Author: SIQUEIRA, DF
GALEMBECK, F
NUNES, SP
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.
Subject: IMMISCIBLE POLYMER PAIRS
PVDF
PMMA
PS
COMPATIBILIZERS
Country: Inglaterra
Editor: Elsevier Sci Ltd
Rights: fechado
Identifier DOI: 10.1016/0032-3861(91)90584-6
Date Issue: 1991
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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