The effects of different chemical treatment methods on the mechanical and thermal properties of textile fiber reinforced polymer composites

Abstract

In this study, the effects of improvement methods on the mechanical and thermal properties of textile fiber reinforced (T-FRP) composites were investigated. Five different chemical methods namely, silane treatment, alkaline treatment, alkali–silane treatment, maleic anhydride, and alkali–maleic anhydride coupling agents were applied to evaluate the suitable process parameters (concentration, soaking time, ratio by weight) for the enhanced properties of T-FRP composites. Tensile, three-point flexural and impact tests were performed on both untreated and treated composites for comparison purpose. Treated and untreated T-FRP composites were characterized using scanning electron microscopy, differential scanning calorimetry, and Fourier-transform infrared spectroscopy to evaluate thermomechanical properties of composites. Results show that a significant improvement up to 60–70% can be seen on the mechanical properties of T-FRP composites via improving the interfacial adhesion and compatibility between fiber and matrix.

Enhancement of fiber-matrix interface of recycled cotton fibers reinforced epoxy composite for improved mechanical properties

“…Several papers have discussed the effect of alkalization on different natural fiber reinforced composites (Nama et al (2011), Vignesh (2018, Ganapathy et al (2019), Li et al (2019), Mittal and Chaudhary (2019), Nagarajan et al (2019), Salim et al (2019), Vinod et al (2019)). This low-cost method improves the mechanical performances of composites by approximately 40%-50% compared to untreated materials (Bodur et al 2016).…”

“…The maximum values were detected at 1 M concentration and soaking time of 5 h (35% increment of tensile strength and 40% increment of the Young modulus compared to untreated composite). However, mechanical properties tend to decrease with increasing soaking time and concentration (Bodur et al 2016).…”

“…They are now fast evolving as a potential alternative to inorganic fibers as they offer several advantages like biodegradability, reduced energy consumption, low cost, low density, and competitive specific mechanical properties. These properties make natural fibers a potential replacement of glass or carbon fibers in textile reinforced composites (Karmarkar et al 2007, Li et al 2007, Malkapuram et al 2009, Bodur et al 2016. Moreover, natural fibers possess better sound absorbing properties compared to man-made fibers, owing to their porous structure, unlike synthetic fibers (WeiDong and Yan 2012).…”

“…In one of the studies, Bodur et al (2016) manufactured waste cotton fabric reinforced low-density polyethylene composites using the extrusion method. In an anterior step, cotton reinforcements were treated with alkaline solution using different concentrations and soaking times.…”

A study on the photostabilizer additives on the textile fiber reinforced polymer composites: Mechanical, thermal, and physical analysis

“…To extend the use of waste textile fiber reinforced polymer (T‐FRP) composites, durability performance under UV weathering should be investigated for the outdoor and nonstructural applications, which are not required high mechanical properties. There is considerable amount of studies have been conducted about the outdoor performance for the natural fiber reinforced composites . Michel et al have conducted a study on hemp fiber reinforced composites exposed to accelerated weathering.…”