Abstract:
:In this work, in order to improve the adhesion between a polyester matrix (unsaturated polyester resin) and flax fibres (Linum usitatissimum L.) and to increase their moisture resistance, chemical surface treatments have been used. These different treatments were performed with maleic anhydride (MA), acetic anhydride (Ac), silane (Si) and styrene (S). The modified flax fibres were characterized by means of infrared spectroscopy and surface energy analysis. The effect of these treatments on water sorption was investigated by using a gravimetric static equilibrium method. Water sorption isotherms were derived from kinetic data. The Park model based on the three sorption modes: Langmuir, Henry's law and clustering, was successfully used to simulate the experimental sorption data. It was found that the (Ac) and particularly (S) treatments reduced overall water uptake of flax fibres. We show that tensile modulus, breaking strength and breaking strain depend on the chemical treatment used.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Alix S,Philippe E,Bessadok A,Lebrun L,Morvan C,Marais Sdoi
10.1016/j.biortech.2009.04.067subject
Has Abstractpub_date
2009-10-01 00:00:00pages
4742-9issue
20eissn
0960-8524issn
1873-2976pii
S0960-8524(09)00485-4journal_volume
100pub_type
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