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1067 articles for “Investigation”
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Experimental Study on Mechanical Properties of E-glass Fiber and Epoxy Resin Hybrid Composite Material
Abstract: Hybrid composites occupying the area of standard materials by satisfying the necessities of various sectors like part industries, automobile industries, ship building and numerous bio-medical sectors. the most reason to substitute standard materials is that the hybrid composites giving same or additional needed properties with less weight and value than standard materials and most output in minimal consumption with higher lifespan to seek out the economical suggests that of utilizing …
Published in International Journal of Composite Materials and Matrices · Vol. 7, Issue 1, 2021 · pp. 20–36 Read article
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Recent Progress of Post-reactor and Reactor-made Polypropylene-based Thermoplastic Elastomers
Abstract: The global market for thermoplastic elastomer (TPE) is growing rapidly owing to the rising demand from the packaging, automotive, healthcare, construction, electrical, electronics and other sectors. Significant progress has been made in the last few decades in the development of different TPE. Polypropylene being low-cost, corrosion resistance, better mechanical properties and readilyavailable, has attracted several researchers to develop polypropylene based thermoplastic elastomers (PP-TPE). This review focuses on recent advancements in …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 2, 2022 · pp. 1–18 Read article
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Effect of Coupling Agent on Organoclay Dispersion in Polyethylene/Organoclay Nanocomposites for Packaging Industry
Abstract: Low-density polyethylene (LDPE) is one of the most widely used polymers in various fields, but due to the hydrophobic nature of LDPE, it is hard to prepare an LDPE/clay nanocomposite. In this article, an LDPE/organoclay nanocomposite, which can be used in the packaging industry, was prepared by melt-blending organoclay with a polymer matrix (LDPE) and compatibilizer, low molecular weight oxidized polyethylene. The influences of organoclay, and compatibilizer during melt mixing …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 1, 2023 · pp. 1–11 Read article
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Characterization of the Impact Strength in Cryogenic Treatment of TIG Welded Nickel-based Superalloy
Abstract: The TIG welding of the IN617 heat and oxidation resistant has been precisely controlled through welding parameters, while γ'-Ni3(Al, Ti) phases predominantly controlled solution strengthening, and precipitation strengthening and carbides in γ matrix, as well as γ' precipitate’s shearing mechanism is prominent to enhance strength of superalloys. The high hardness has been preserved owing to strengthening major elements such as Cr, Co, and Mo etc., and the well coherency maintain …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 2, 2023 · pp. 1–12 Read article
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Green Adhesive—Using Glyoxalated Lignin and Hydrogenated Resin as Ecologically Safe Wood Adhesive for Interior Plywood
Abstract: Petroleum-based adhesive such as urea formaldehyde and phenol formaldehyde resin dominates adhesive market which releases formaldehyde and VOC to the environment. The purpose of this study is to develop an adhesive based on isocyanate in combination with compounds from renewable sources like lignin, protein and starch. Adhesive formulation was developed by incorporation of hydrogenated resin, corn starch/PVOH emulsion with glyoxalated lignin (GL) and evaluation properties of the adhesive with plywood …
Published in International Journal of Polymer Science and Engineering · Vol. 1, Issue 1-2, 2015 · pp. 23–27 Read article
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Kinetic Study of Polyester Derived from Glycolyzed PET Waste With Varied Composition
Abstract: In this investigation, the production of secondary value-added products, such as saturated polyester, derived from the glycolysis of poly(ethyleneterephthalate) (PET) is examined as an effective way for PET recycling. The glycolyzed PET (GPET) obtained was reacted with mixture of phthalic anhydride and glycol with varied composition and their reaction kinetic were studied. During polyesterification it was observed that degree of polymerization (DPn) and extent of reaction (p) is increased, while …
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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EFFECT OF HEAT AGEING ON MECHANICAL PROPERTIES OF POLYAMIDE 6(NYLON 6) & POLYAMIDE 12(NYLON 12)
Abstract: Polyamide 6 or Nylon 6(PA 6) and polyamide 12 or Nylon 12 (PA 12) are well known engineering semi-crystalline polar polymers characterized by the presence of amide linkage (-CONH-) in the repeating units of their chains. The glass transition temperature (Tg) of PA 6 and PA 12 is ~50 °C and ~37 °C respectively. PA 6 is widely used for gears and bearings, fittings in automobile industry for under hood …
Published in International Journal of Polymer Science and Engineering · Vol. 2, Issue 2, 2016 · pp. 1–12 Read article
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Study of Dynamic Mechanical and Thermal Properties of Poly(Ether Ether Ketone) Carbon Nanotubes
Abstract: The effect of polyetherimide (PEI) as a compatibilizing agent on the morphology, thermal, electrical and dynamic-mechanical properties of poly(ether ether ketone) (PEEK)/single-walled carbon nanotube (SWCNT) nanocomposites, has been investigated for different CNT loadings. After a pre-processing step based on ball milling and premixing under mechanical treatments in ethanol, the samples were prepared by melt extrusion. A more homogeneous distribution of the CNTs throughout the matrix is found for composites containing …
Published in International Journal of Polymer Science and Engineering · Vol. 3, Issue 1, 2017 · pp. 1–21 Read article
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Enhancement of Power Factor and Effective Performance of an Induction Motor Based Converter-Fed Rotor
Abstract: Abstract— Taking a novel concept of a rotor that is fed by a converter, this paper attempts to investigate an induction machine. In this the stator has been directly connected to the grid and it is also Y connected while the rotor windings are open-ended fed to a back-to-back converter with a floating capacitor. The factors that are carefully studied are the power factor and the efficiency improvements of the …
Published in International Journal of Polymer Science and Engineering · Vol. 4, Issue 1, 2018 · pp. 10–19 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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Viscoelastic Properties of Polymer Nanocomposites with Polydispersity in Nanoparticle Sizes
Abstract: The viscoelastic properties of polymer nanocomposites are investigated as a function of the size distribution of nanoparticles, the nature of interactions and results are compared with the pure polymer melt. We modeled our PNCs with two sizes of nanoparticles and polymer blends and four different cases with different polymer-nanoparticle and nanoparticle-nanoparticle non-bonded interactions. We have observed the enhancement in properties is not only due to the addition of nanoparticles but …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 2, 2019 · pp. 42–52 Read article
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Experimental Studies on the Surface-Driven Microfluidic Flow of Dyed Working Liquids in Sudden Expansion Microchannels Fabricated by Polymer
Abstract: In this experimental work, the sudden expansion microchannels are fabricated by maskless lithography, hot embossing lithography, drilling, direct bonding technique and chip separation technique using own hands-on of author completely. Total 15 individual sudden expansion microchannels are fabricated in this work using polymethylmethacrylate (PMMA) as optically transparent polymer. Effects of channel aspect ratio, surface wettability and liquid viscosity on surface-driven microfluidic flow are experimentally studied in the fabricated sudden expansion …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 1, 2020 · pp. 44–59 Read article
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Evaluation of Response Characteristics of Distillation Column
Abstract: In this paper mathematical model was developed to monitor, predict and control the effectiveness of the controller designed with the principle of various responses. The result obtain in the investigation demonstrate the usefulness of input, ramp, and impulse response in monitoring, predicting and controlling the separation of the distillate product from the reflux for effective performance evaluation of the distillation column. The model evaluated the impact of feed tray, reboiler …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 1, 2020 · pp. 32–43 Read article
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Corrosion Studies of Al 7075 alloy using Cetirizine drug as drug in Arabian Sea water sample
Abstract: The inhibition of Cetirizine drug on corrosion of Al 7075alloy in Arabian Sea water medium became investigated by way of weight reduction measurement, Tafel Polarization, and EIS techniques. The electrochemical outputs proved that the prepared Drug act as powerful corrosion drug. The outputs found from electrochemical, weight loss and EIS studies showed exact consistency. The Present paper involves examine of weight loss, Tafel polarization, EIS and microstructural behavior of Al …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 1, 2020 · pp. 25–31 Read article
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Low temperature plasma treatment of polymeric membranes: a comparative review
Abstract: This paper presents a comparative study of plasma surface modification of various polymeric membranes. Low temperature plasma treatment using pulsed direct current discharge of different gases was employed to enhance hydrophilicity of membranes. Radio frequency discharge of various gases was used to improve surface properties of different polymeric membranes. The enhancement of hydrophilicity of the plasma modified membrane surface was evaluated by measuring the contact angle. The membranes were characterized …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 1, 2020 · pp. 1–19 Read article
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Comparative Experimental Measurement on the Fundamental Properties of Chemically Treated Natural Fibers
Abstract: Plant-derived natural fiber as a reinforcing component can play a prevalent role in the field of fiber reinforced polymer composite due to their obtainability, environmentally friendly, renewability, low- density, and low cost. Golden fiber (jute fiber)/coconut fiber can be a potential candidate to replace the synthetic fiber reinforced polymer composite. The influences of chemical treatments such as mercerization, sodium lauryl sulfate and a combination of mercerization and sodium lauryl sulfate …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 1, 2022 · pp. 34–44 Read article
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Review of Composites formed of Thermoplastic as Organic Fibers
Abstract: Composites made of structural monomers gave rise to thermoplastic polymers (TMCs). Due to their usage of a thermoplastic matrix, these materials really aren't chemically reactive. TMCs may be remoulded without degrading when heated and become softer. They harden into the final shape when they cool. Thermoplastic materials bonded with plant fibers may one day be used to create impact- absorbing structure for renewable power. Its impact features of organic fiber-reinforced …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 1, 2022 · pp. 28–33 Read article
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Performance Calculation of a Gas Plant Compressor Unit
Abstract: This research was centered on calculating the performance of a gas plant compressor unit which was achieved using Tunu Booster Station facility. The results shows that the ability of the compressor, isentropic efficiency and coefficient of performance of the compressor gave values of 33899kw, 0.83 and 1.2. The deviations from the existing plant values were 35.6%, 31.7% and 20% respectively. Other parameters that were considered and evaluated include the failure …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 2, 2022 · pp. 13–24 Read article
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Preparation of PMMA Nanoparticles in Different Ways and Studying the Effect of Some Factors on Changing Its Properties
Abstract: Poly(methyl methacrylate) (PMMA) is usually made with the help of radical polymerization, coordination polymerization, and methyl methacrylate acid esterification. Due to its hardness, PMMA is widely used in the medical sciences, optical materials, electronics, and automotive industries. The present study aims to fabricate PMMA nanoparticles using different chemical methods such as sol-gel polymerization, co polymerization, etc. Various aspects of the synthesis process will be changed, such as temperature, reaction time, …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 2, 2022 · pp. 37–43 Read article