Production of polymeric membranes made of polypropylene, poly(ethylene-co-vinyl acetate), and poly(vinyl alcohol)

In this study, we prepared and characterized membranes containing polypropylene, poly(ethylene-co-vinyl acetate) (EVA), and poly(vinyl alcohol) (PVA). The production process involved blend extrusion and calendering followed by solvent extraction by toluene and water of the EVA and PVA phases. Morpho...

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Bibliographic Details
Authors: ALFREDO MACIEL CERDA, MANUEL DE JESUS AGUILAR VEGA, OCTAVIO MANERO BRITO
Format: article
Status:Published version
Publication Date:2004
Country:México
Institution:Centro de Investigación Científica de Yucatán
Repository:Repositorio Institucional CICY
Language:English
OAI Identifier:oai:cicy.repositorioinstitucional.mx:1003/884
Online Access:http://cicy.repositorioinstitucional.mx/jspui/handle/1003/884
Access Level:Open access
Keyword:info:eu-repo/classification/Autores/ MEMBRANES
info:eu-repo/classification/Autores/MORPHOLOGY
info:eu-repo/classification/Autores/POLY(PROPYLENE) (PP)
info:eu-repo/classification/cti/7
Description
Summary:In this study, we prepared and characterized membranes containing polypropylene, poly(ethylene-co-vinyl acetate) (EVA), and poly(vinyl alcohol) (PVA). The production process involved blend extrusion and calendering followed by solvent extraction by toluene and water of the EVA and PVA phases. Morphology studies involving scanning electron microscopy determined the pore size distribution at the surface and in the internal regions of the membrane. The resulting membrane properties were related to the processing variables (extension rate, process temperature, and solvent extraction methods) and blend composition. 

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