Chemical modification of henequén fibers with an organosilane coupling agent

Short henequén fibers were modified with a silane coupling agent in order to find out its deposition mechanism on the fiber surface and the influence of this chemical treatment on the mechanical properties of the composite. It was shown that the partial removal of lignin and other alkali soluble com...

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Bibliographic Details
Published in:Composites. Part B, Engineering Engineering, 1999-01, Vol.30 (3), p.321-331
Main Authors: Valadez-Gonzalez, A, Cervantes-Uc, J.M, Olayo, R, Herrera-Franco, P.J
Format: Article
Language:English
Subjects:
A. Fibres
Applied sciences
Composites
Exact sciences and technology
Forms of application and semi-finished materials
Polymer industry, paints, wood
Surface modification
Technology of polymers
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Summary:Short henequén fibers were modified with a silane coupling agent in order to find out its deposition mechanism on the fiber surface and the influence of this chemical treatment on the mechanical properties of the composite. It was shown that the partial removal of lignin and other alkali soluble compounds from the fiber surface increases the adsorption of the silane coupling agent whereas the formation of polysiloxanes inhibits this process. The existence of a chemical bond between the coupling agent and the henequén fiber was confirmed by XPS and FTIR spectroscopy. It was further verified that the interaction between the fiber and the matrix is much stronger when the fiber surface topography is combined with the chemical modification of the fiber surface with a silane coupling agent.
ISSN:1359-8368
1879-1069
DOI:10.1016/S1359-8368(98)00055-9