Fabrication and Optical Characterization of Palm Fiber Reinforced Acrylonitrile Butadiene Styrene Based Composites: Band Gap Studies

Abstract

The composite materials are replacing the conventional materials, owing to their excellent properties. The developments of new materials are on the anvil and are thriving day by day. Natural fiber composites such as palm fiber (PF) polymer composites became more enchanting because of their high specific strength, low weight and biodegradability. Mixing of natural fiber like PF with acrylonitrile butadiene styrene (ABS) polymer is finding increased applications. In this work, PF reinforced ABS composites PF-ABS was fabricated by Injection Moulding Machine. The effect of UV-Visible radiation on PF-ABS composites was studied by means of ultraviolet-visible spectroscopy in the wavelength 200 -1000 nm at room temperature. The present investigation shows that the addition of palm fiber modifies the absorption property of the materials. The absorption ability is maximal for 10% PF-ABS composites while minimal for 20% PF-ABS composites in the visible region of the spectrum. Optical constant like direct band gap energy, Urbach energy and Steepness parameter were determined using absorbance data. The values of direct energy band gap, Urbach energy as well as Steepness parameter were found to be in the range 2.6 -3.9 eV, 0.40 -0.85 eV and 0.03 -0.06, respectively. It was observed that the value of direct band gap energy as well as Urbach energy is higher while the value of Steepness parameter is lower for PF-ABS composites with 10% palm fiber.

Mechanical Properties of Gamma-Irradiated Natural Fiber Reinforced Composites

“…and widely used reinforcing natural fibers are jute, cotton, sisal, banana, hemp, flex, palm etc. [1][2][3][4][5][6][7][8]. The matrix materials, polymer boardly can be classified in to thermosplasctis and thermoset polymer.…”

Fabrication of ecofriendly composites using low-density polyethylene and sugarcane bagasse: Characteristics’ degradation

“…The main reason for this result may be due to the inclusion of lignin in the untreated fiber, which could absorb UV- radiation and works as a UV absorber in addition to the presence of MAPE, which also reduces the absorbance. 56–58…”

“…The main reason for this result may be due to the inclusion of lignin in the untreated fiber, which could absorb UV-radiation and works as a UV absorber in addition to the presence of MAPE, which also reduces the absorbance. [56][57][58] From UV-Vis in Figure 14 it can be noted that, the absorption is greatly reduced with the addition of 2.5% CB to the composites as a stabilizer against the UV radiation. It was reported that the CB absorbs light from the entire range of the solar spectrum and protects the interior of the plastic from the penetration of high-energy photons.…”

Optical characterization of 3D printed PLA and ABS filaments for diffuse optics applications

“…A complete spectra for ABS in the range 200–1000 nm is provided by Neher et al . but again for the pure material [ 26 ]. As already discuss for PLA, also for ABS we have a lack of information about the spectral characteristics of the printed material.…”

“…The absorbance of the pure ABS in the UV-visible range (200-600 nm) is quite low [23,24], while in the range 1050-1350 nm, it was shown that the reflectance is high (>0.85) [25]. A complete spectra for ABS in the range 200-1000 nm is provided by Neher et al but again for the pure material [26]. As already discuss for PLA, also for ABS we have a lack of information about the spectral characteristics of the printed material.…”