Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5210623 | Reactive and Functional Polymers | 2010 | 9 Pages |
Abstract
The aim of this study is to produce silane-water cross-linked polyethylene-octene (PEO) fibers through a reactive extrusion process. First, PEO is silane-grafted during an extrusion process followed by a spinning step. Then, grafted PEO monofilaments are introduced in water-based solution to perform cross-linking. The influence of process parameters on bulk PEO cross-linking degree was first investigated through a mixture design methodology which revealed that the most influent parameters are extrusion temperature and time. Using these results and the response surface methodology, silane-water cross-linked PEO monofilaments could be produced with desired gel contents after proceeding to some adjustments of processing parameters. The influence of cross-linking degree and draw ratio on macroscopic properties of PEO monofilaments was investigated. In particular, the cross-linked PEO fibers thermomechanical stability increases with cross-linking degree up to 170 °C for cross-linking degrees higher than 55%. Moreover, cross-linked PEO fibers exhibit higher elastic properties than neat PEO fibers.
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Related Topics
Physical Sciences and Engineering
Chemistry
Organic Chemistry
Authors
Louis Garnier, Sophie Duquesne, Mathilde Casetta, Maryline Lewandowski, Serge Bourbigot,