Evaluation of linden fibre as a potential reinforcement material for polymer composites

Abstract

The aim of this study is to characterize linden fibres as a novel cellulose-based fibre to be used as a reinforcement material in composites and to investigate the adhesion property to unsaturated polyester. Up to now, there is no report regarding the potential usability of linden fibre in composite applications. Linden fibres were extracted from the stem of a plant of Tilia rubra DC. subsp. caucasica (Rupr.) V.Engl. Characterization of linden fibres was studied by Fourier transform infrared, X-ray photoelectron spectroscopy, thermogravimetric analysis, X-ray diffraction analysis, tensile and pull-out tests. Morphological properties of the fibres were observed through scanning electron and optical microscopes. Initial degradation temperature of the linden fibre was reported to be 238 C. The tensile strength and the Young's modulus of the linden fibres were calculated to be 675.4 AE 45.7 MPa and 61.0 AE 9.8 GPa, respectively. The interfacial shear strength of the linden fibre with unsaturated polyester matrix was computed as 26.15 AE 2.27 MPa via pullout test. This study offers an alternative and eco-friendly reinforcement material which may have usability potential in polymeric composites.

Characterisation of Textile and Oleaginous Flax Fibrous and Shives Material as Potential Reinforcement for Polymer Composites

“…e waxy substances of ax bres a ect the lower bre wettability and adhesion characteristics [2,26]. e moisture regain of tested technical bres of textile ax was in the range from 9.73% to 9.35% and for oleaginous ax bres in the range from 9.14% to 8.89%, as it can be seen in Figure 6.…”

“…e results are collected from a region between the surface and depth of about 0.5-5.0 µm, depending on sample characteristics [25,26]. All spectra were recorded over the range of 4000 cm -1 to 380 cm -1 , with the resolution of 4 cm -1 and 8 scans.…”

“…e lignocellulosic brous material compounds containing cellulose, hemicelluloses and lignin consist of oxygen containing functional groups (ester, ketone and alcohol), alkenes and aromatic groups [1,11,25,26,29,30]. e Fourier transform infrared (FT-IR) spectra of ax bres separated into four length groups and shives are shown in Figures 9 and 10.…”

Physico-Chemical and Thermal Characterization of a Lignocellulosic Fiber, Extracted from the Bast of <i>Cola lepidota</i> Stem

“…The absorbance observed at 1422 cm −1 corresponds to the crystalline structure of cellulose II, while that at 898 cm −1 corresponds to its amorphous structure [29]. The Lateral Order Index (LOI) shows the order of crystallinity rather than the amount of crystalline cellulose relative to the amorphous components [33]. Table 3 shows the result of chemical composition of CL fibers.…”

“…On the other hand, the lignin content obtained in the new fiber is similar to that of Rhectophyllum camerunense fiber [1] and unlike most fibres of the same nature. This value is relatively high and may be linked to the low moisture content found above [33]. Figure 4(a) shows combined thermogravimetric (TG) and its derivative thermographimetric (DTG) curves obtained at the thermal analysis of CL raw fiber.…”