What is it about?
Agro-industrial by-products are an alternative potential source to replace synthetic fibers /filler materials. Pistachio (Pistacia vera) nut processing industries producing Pistacia vera nutshell (PVNS) as waste in large quantity. The nutshells are characterized for the first time towards their Physico-chemical properties like particle size, structural, morphological, elemental, thermal and surface analysis. The thermal stability and degradation temperature of PVNS particles are 240.6 and 274.2 °C, respectively. The pore size and pore diameters are 38 mm3/g, 3.626 nm while the surface area is calculated as 0.392 m²/g. Thus, the PVNS particle characterization results show the required quality to meet as bio-filler in the polymer matrix to improve the bio-composite properties. Consequently, the agro-food industrial residues of Pistachio shell may be effectively used to develop the valuable ecofriendly practical applications in an automobile application such as car dashboard and doors.
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Why is it important?
Agro-industrial residues could be a potential raw material for making fillers for polymer composites.
Perspectives
We believe there is an immense potential for ago-residues as potential materials in polymeric composites. Our related publications: (i) G. T. Mahesha, B. S Shenoy B, M. Vijaya Kini, K. Subrahmanya Bhat, Preparation of unidirectional Grewia Serrulata reinforced polyester composites and evaluation of tensile and exural properties, J. Nat. Fibres, 13(5), 547-554, 2016. (ii) G. T. Mahesha, B. S Shenoy B, M. Vijaya Kini, K. Subrahmanya Bhat, Mechanical Characterization and water ageing behavior studies of Grewia serrulata bast reinforced thermoset composites, J. Nat. Fibres., 14(6), 788-800, 2017. (iii) Madhu P, Sanjay M R, Pradeep S, Subrahmanya Bhat K, Yogesha B, S. Siengchin, Characterization of cellulosic ber from Phoenix pusilla leaves as potential reinforcement for polymeric composites, J Mat. Res. Tech., 8(3), 2597-2604, 2019; Scopus-Q1. (iv) P. Senthamaraikannan, M.R. Sanjay, K S. Bhat, N. H. Padmaraj, M. Jawaid, Characterization of natural cellulosic ber from bark of Albizia amara, J. Nat. Fibers, 2018 (In press); DOI: 10.1080/15440478.2018.1453432.
Dr Subrahmanya Bhat K
Manipal Institute Of Technology, Manipal Academy of Higher Education
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This page is a summary of: Physico-chemical study of pistachio (Pistacia vera) nutshell particles as a bio-filler for eco-friendly composites, Materials Research Express, August 2019, Institute of Physics Publishing,
DOI: 10.1088/2053-1591/ab3b9b.
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