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1992 articles for “Keywords”
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Mechanical characterization of hybrid natural fibre composites developed through compression moulding process
Abstract: Increasing environmental concerns these days due to excessive consumption of fossil-fuel products have impacted our atmosphere, which has led several researchers to work in the field of polymer composites reinforced by natural fibres. In this research, the emphasis is on developing the completely biodegradable green composites using polylactic acid (PLA) as a matrix and reinforcement with jute and sisal fiber by compression molding method and effect of various parameters on …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 1, 2020 · pp. 29–35 Read article
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A-Survey on Natural Fibers
Abstract: In the last thirty years of composite materials, ceramics and plastics have been important emerging materials. The number of application of composite materials has been grown consistently, penetrating and winning new market requirement continuously. The composite materials forms a significant proportion of the engineered materials their worth as weight saving materials; the present aim is to make them as cost effective. This survey paper discuss about worldwide collection of natural …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 1, 2020 · pp. 17–28 Read article
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Fabrication and characterization of Aluminum-Granite-Graphite Metal Matrix Composite
Abstract: Moving machine elements are constantly subjected to wear and tear. Machine life can be improved by using hard and wear resistant materials. Most of machine elements are made of metals or alloys. These materials alone cannot meet the requirements of design of long-life machines. Naturally occurring hard materials lack the strength to withstand the machine loads. Composite materials provide the solution to such requirements. Based on requirement, a composite material …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 2, 2020 · pp. 20–30 Read article
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A Review on Polybutadiene Rubber Composites
Abstract: Rubber composites are crucial materials that obtained by the combination of two or more components i.e. rubber and filler, comprising with different fundamental properties. The composites are lighter yet stronger materials in nature with intermediate characteristics of both the initial ingredients. Polybutadiene rubber (PBR) is one of the highly produced global synthetic rubber having significant industrial applications. PBR composites showed improved physical, mechanical and thermal properties, with greater strength, resistance …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 2, 2020 · pp. 1–19 Read article
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Studies of meta-materials
Abstract: AbstractMeta-materials are artificial composites designed to operate electromagnetic property. Properties of wave nature manipulation have originated fashioned fabrication. This has to perform as rigorous as subjected under adoption specific optical or microwave or acoustic provision. Fabrication has precision formof shape, geometry, size, orientation and arrangement of materials.Applicationof meta-materialsincludes super resolution imaging and optical as well acoustic sensing. Decay, separate and couple among as split transverse electric and magnetic to that …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 2, 2020 · pp. 47–52 Read article
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Effects of Coupling Agent and Nanoclay on the Mechanical, Morphological and Dimensional Stability of Natural Fiber/Polypropylene Composites
Abstract: Polymer nanocomposite is made up of polymer as a matrix ingredient and reinforcement ingredient as a filler in the form of nanometer particles. These ingredients have dissimilar physical and chemical features and are mixed to generate sole features of nanocomposites. Polypropylene (PP) was nominated as the polymer matrix ingredient. Reinforcement ingredients used include organically modified montmorillonite with natural fiber. Various composites based on polypropylene, natural fiber, and organically modified montmorillonite …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 1, 2022 · pp. 9–18 Read article
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Drag Reduction Annular Flow with Poly Acryl Amide Additive
Abstract: Drag reduction studies have been showed in annular flow with polyacrylamide additive. The percentage drag reduction in annular pipe flow ranges between 85–98% as the diameter increased from 0.02 to 0.033 m. The percentage drag decrease of 89 to 98% is detected as the polyacrylamide concentration is varied from 50 to 200 ppm. The correlation for drag reduction and Reynolds number is presented here under DR = 2.06Re-0.037. Keywords: Drag …
Published in International Journal of Polymer Science and Engineering · Vol. 1, Issue 1-2, 2015 · pp. 1–10 Read article
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Enhancement of Fire Retardancy Properties of Plywood by Incorporating Silicate, Phosphate and Boron Compounds as Additives in PMUF Resin
Abstract: Wood is one of the supreme sustainable, naturally growing materials that consist principally of combustible organic carbon compounds. Since plywood are widely used now a day especially in buildings, furniture and cabinets. Since the demand of plywood with fire retardancy properties has been increasing over last years, the objective of this study is to improve the fire retardancy of Wood Panel Products by adding Tricresyl phosphate, Di-Sodiumocta Borate and Sodium …
Published in International Journal of Polymer Science and Engineering · Vol. 1, Issue 1-2, 2015 · pp. 11–15 Read article
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Manufacturing of BWP-Grade Plywood from Resin Adhesive Using Animal Protein (Glue) by Partial Replacement of Phenol
Abstract: Abstract This paper presents the development of plyboard using phenol–glue–formaldehyde (PGF) resin and their basic mechanical properties. Phenoplast and aminoplast-based resins is the important adhesive for the manufacturing of boiling water proof (BWP) grade, shuttering and moisture resistance plywood. Environmental concerns and higher cost of petroleum-based resins have resulted in the development of technologies to replace phenol partially by biomaterials for the manufacturing of resin adhesive. Natural bio-based materials such …
Published in International Journal of Polymer Science and Engineering · Vol. 1, Issue 1-2, 2015 Read article
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Isolation and Characterization of Tamarind Seed Polysaccharides Being Used as a Biopolymer in Modern Drug Delivery System
Abstract: Tamarind seed polysaccharide (TSP) obtained from the seed of Tamarindus indica tree. It possesses different properties like high viscosity, broad pH tolerance, biocompatibility, mucoadhesive nature. It is used as thickener, stabilizer, gelling agent in food and pharmaceutical industries and Gums are widely used natural materials for conventional and novel dosage forms. The objective of present investigation was to search for a cheap and effective natural polymer that can be used …
Published in International Journal of Polymer Science and Engineering · Vol. 2, Issue 1, 2016 · pp. 1–6 Read article
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Innovative Value Chain Development of Modified Starch for a Sustainable Environment: A Review
Abstract: Granular structure of starch is widely utilized in a variety of applications due to its universal abundance, relatively low cost, and ability to impart a broad range of functional properties to their products. However, most starches in their native form have limitations that make them less than ideal for the diversity of desired applications. For this reason, most of the starch utilized as a food or industrial ingredient is first …
Published in International Journal of Polymer Science and Engineering · Vol. 2, Issue 1, 2016 · pp. 20–32 Read article
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Review on the Capillary Flow Characteristics in Polymer based Microfluidic Systems
Abstract: In this review different effects to control the surface-driven capillary flow in polymer based microfluidic systems. Author has used the polymers like polyimide, SU-8 and polymethylmethacrylate (PMMA) to fabricate the polymer based microfluidic systems. Author has studied the individual effects of surface wettability, surface free energy, surface chemistry, surface topography, channel aspect ratio, capillary pressure, kinetic energy, centrifugal force, surface area to volume ratio, microfluidic friction, liquid viscosity and effective …
Published in International Journal of Polymer Science and Engineering · Vol. 4, Issue 1, 2018 · pp. 28–33 Read article
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Design and Simulation of Single Phase Five Level Inverter for a Novel Solar PV Hybrid Energy System
Abstract: Abstract - In current global energy scenario, renewable energy sources can play an important role in meeting the ever increasing energy demand. This is due to exhaustive nature of fossil fuels and the environmental pollution caused by other conventional energy sources. Among renewable energy sources, solar photo-voltaic system is the most popular one as solar energy is available in abundance without paying any cost. The output voltage generated from the …
Published in International Journal of Polymer Science and Engineering · Vol. 4, Issue 1, 2018 · pp. 1–9 Read article
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Review on the Hot Embossing Technology to Fabricate the Polymer based Microfluidic Devices in Mechanical Engineering
Abstract: Polymers are suitable materials to fabricate the microfluidic devices in mechanical engineering. Hot embossing technology is useful to fabricate these polymer based microfluidic devices. Both of the lithography and direct bonding can be performed by hot embossing technology to fabricate these polymer based microfluidic devices. Polymer microfluidic devices fabricated by the hot embossing technology are useful in multifarious bioengineering applications according to the available literatures. Keywords: Hot embossing, Polymer, Microfluidics, …
Published in International Journal of Polymer Science and Engineering · Vol. 4, Issue 1, 2018 · pp. 34–37 Read article
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Review on the Polymer based Microfluidic Devices for Bioengineering Applications
Abstract: In this review, few recently published research papers related to the experimental investigations are briefly summarized. The experimental observations on different effects to control the surface-driven capillary flow are mentioned related to the polymer microfluidic devices. According to the literature survey in this article, the negative photoresist SU-8 and polymethylmethacrylate (PMMA) are the two major polymers to fabricate the microfluidic devices using different conventional techniques. This review will be useful …
Published in International Journal of Polymer Science and Engineering · Vol. 4, Issue 2, 2018 · pp. 44–48 Read article
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Experimental Investigation of Visco-Elastic Behavior for Ecovio F Film C2203 Biopolymer Melts
Abstract: The visco-elastic behavior of biopolymers fluid are significantly interested in their internal structure, thus, it has been experimentally investigated for various industrial applications. This paper studies the characterization of (Ecovio F Film C2203) biopolymer because of their characteristics and importance in different fields of environment and health. Two form of rheometers instruments have been used at temperatures between (140 - 220) ˚C to describe the visco-elastic behavior of (Ecovio F …
Published in International Journal of Polymer Science and Engineering · Vol. 4, Issue 2, 2018 · pp. 24–33 Read article
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SYNTHESIS AND CHARACTERISATION OF NATURAL FIBRE REINFORCED EPOXY COMPOSITES BASED ON SESAME OIL
Abstract: ABSTRACT Epoxy sheet and its composites were obtained by epoxidised resin and coir fibres respectively. Epoxidisedresin were prepared by condensing sesame oil using hydrogen peroxide and glacial acetic acid as catalyst. The resin was characterisedby spectral studies such as FT-IR and Solvent Absorptivity Percentage of Epoxy Resin and its Composites.The epoxy composites have higher solvent absorptivity percentage in the solvents when compared to that of epoxy resin. The epoxy composites …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 1, 2019 · pp. 38–40 Read article
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Syenthesis characterization and biological activities of Schiff base metal complexes of Zr (II) Ba(II), Cu(II), Sr(II) and Th (II) derived from sulfa pyridine
Abstract: Abstract : The Schiff base ligand was prepared by sulfapyridine with salicylaldehyde Zr(II), Ba(II), Co(II), Sr(II) and Th (II) complexes of above ligand was synthesized as well. The synthesized complexes have been characterized by powder XRD and SEM. The anti microbial activity of synthesized ligand ant its complexes have been tested for their antibacterial activity against bacterial species, such as Bacillus subtilis, staphylococcus aureus, Pseudomonas, aeruginosa, Enterobacter aerogenes, E-coli and …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 1, 2019 · pp. 30–37 Read article
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A Detailed Lumped Model for Vinyl Acetate Emulsion Polymerization
Abstract: Abstract A mathematical model was developed to simulate emulsion polymerization of vinyl acetate monomer in isothermal, batch and semi-batch reactors. The recipe components included monomer (vinyl acetate), initiator (potassium persulfate), surfactant (sodium dodecyl sulfate) and water as the dispersion medium. The two important phenomena, particle nucleation and particle growth, were modeled in adequate detail. The mechanistic details included: particle formation via micellar nucleation; coupling of the radical concentration in the …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 1, 2019 · pp. 1–12 Read article
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SYNTHESIS, CHARACTERIZATION AND STUDY OF PHOTOCATALYTIC ACTIVITY OF PVA CAPPED ZINC INDIUM SELENIDE NANOPARTICLES UNDER UV LIGHT IRRADIATION USING METHYL RED DYE
Abstract: In this work, we report the structural morphology, optical properties and photocatalytic activity of polymer capped zinc indium selenide nanoparticles, which have been synthesized by solvothermal method. PVA is acted as capping agent. The PVA capped zinc indium selenide nanoparticles were characterized using XRD, SEM with EDAX, AFM, TEM and UV-Vis absorption spectroscopy. The structural properties of PVA capped zinc indium selenide nanoparticles have been characterized by X-ray diffraction (XRD) …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 1, 2019 · pp. 41–51 Read article