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Measuring the interfacial tension of polymers in the presence of an interfacial modifier: Migrating the modifier to the interface by N. Chapleau; B. D. Favis; P. J. Carreau is a Materials Science article available to read on EtoBox.
What is Measuring the interfacial tension of polymers in the presence of an interfacial modifier: Migrating the modifier to the interface about?
Compared to the dynamic mixing process used in melt blending operations, most techniques for measuring the interfacial tension can be considered as virtually static. For this reason, in order to measure the interfacial tension of an A-B immiscible system in the presence of an interfacial modifier, the problem of migrating the modifier to the interface is a central issue. In this study, the influence of the addition of an interfacial modifier, a polyethylene copolymer ionomer, on the interfacial tension between two high-density polyethylenes and a polyamide is investigated. The breaking thread method is used and the interfacial tension is measured as a function of ionomer content. In order to enhance the likelihood of placing the modifier in closer proximity to the interface, various sample preparations are compared. In all cases, the interfacial tension significantly drops with increasing ionomer content and tends to a limiting value. It is shown, however, that the preparation of the system for the breaking thread experiment via coextrusion using a conical die brings the modifier in closest proximity to the interface. With this approach an additional 1.45 times reduction of the int
Who reads Measuring the interfacial tension of polymers in the presence of an interfacial modifier: Migrating the modifier to the interface?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- N. Chapleau; B. D. Favis; P. J. Carreau
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0887-6266)
- Published
- 1998
- Language
- EN
- Field
- Materials Science (Physical Sciences)