Articles with "polyurethane composite" as a keyword



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Influence of filler surface characteristics on morphological, physical, acoustic properties of polyurethane composite foams filled with inorganic fillers

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Published in 2017 at "Composites Science and Technology"

DOI: 10.1016/j.compscitech.2017.04.029

Abstract: Abstract In modern automobiles, noise pollution is a critical issue, and polyurethane foam is commonly used due to its high sound absorption and ease of production. In this study, polyurethane composite foams were fabricated using… read more here.

Keywords: morphological physical; composite foams; surface; sound absorption ... See more keywords
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Effect of surface modification on morphological, mechanical and thermal conductivity of hemp fiber: Characterization of the interface of hemp –Polyurethane composite

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Published in 2017 at "Case Studies in Thermal Engineering"

DOI: 10.1016/j.csite.2017.10.012

Abstract: Abstract The study focuses on the effect of alkaline and silane treatment of hemp fibers on mechanical and thermal conductivity. Hemp fibers were treated with sodium hydroxide solutions at different concentration, and then analysed by… read more here.

Keywords: hemp; mechanical thermal; conductivity hemp; thermal conductivity ... See more keywords
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Electrochemical investigation of a graphite-polyurethane composite electrode modified with electrodeposited gold nanoparticles in the voltammetric determination of tryptophan

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Published in 2019 at "Journal of Electroanalytical Chemistry"

DOI: 10.1016/j.jelechem.2018.12.056

Abstract: Abstract Gold nanoparticles (AuNP) were electrodeposited onto the surface of a graphite-polyurethane composite electrode (EGPU), followed by electrochemical treatment in NaOH medium using cyclic voltammetry. After characterization and optimization of the experimental conditions, the resulting… read more here.

Keywords: spectroscopy; electrode; gold nanoparticles; polyurethane composite ... See more keywords
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Electrochemical behavior of N-Nitrosodiphenylamine and its determination in synthetic urine samples using a graphite-polyurethane composite electrode

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Published in 2020 at "Journal of Electroanalytical Chemistry"

DOI: 10.1016/j.jelechem.2019.113747

Abstract: Abstract In this paper, the electrochemical determination of the N-nitrosodiphenylamine was proposed comparing the voltammetric response of two non-modified carbon electrodes: a glassy carbon (GCE) and a solid graphite-polyurethane composite (GPUE). The surfaces of the… read more here.

Keywords: synthetic urine; mol mol; mol; urine samples ... See more keywords
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Antimicrobial Lignin-Based Polyurethane/Ag Composite Foams for Improving Wound Healing.

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Published in 2022 at "Biomacromolecules"

DOI: 10.1021/acs.biomac.1c01465

Abstract: Antimicrobial materials are an urgent need for modern wound care in the clinic. Although traditional polyurethane foams have proven to be clinically valuable for wound treatment, their petroleum-originated preparation and bioinert nature have restricted their… read more here.

Keywords: polyurethane; polyurethane composite; lignin based; based polyurethane ... See more keywords
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Preliminary Study on a Biocompatible Cellulose Waterborne Polyurethane Composite Membrane

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c02478

Abstract: A promising technique for repairing necrotic mucosa of human organs has emerged, in which composite films are used to replace human mucosa. In this work, neutral alpha-amylase corrosion solution with a concentration of 0.40 mg/mL… read more here.

Keywords: polyurethane composite; water; composite membrane; preliminary study ... See more keywords
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A study on the functional and tensile properties of polyurethane composite film with carbon nanotube fibers

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Published in 2020 at "Modern Physics Letters B"

DOI: 10.1142/s0217984920400266

Abstract: The purpose of this study is to propose a process of fabricating conductive polyurethane (PU)/CNT composite films that possess electrostatic discharge (ESD), UV cut, and warming characteristics. Po... read more here.

Keywords: properties polyurethane; functional tensile; composite film; tensile properties ... See more keywords
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Evaluation of a Graphite-Polyurethane Composite Electrode Modified with Copper Nanoparticles as an Amperometric Flow Detector in a Wall-Jet System for the Determination of Cysteine

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Published in 2020 at "Journal of the Brazilian Chemical Society"

DOI: 10.21577/0103-5053.20190191

Abstract: A graphite-polyurethane composite electrode (GPUE) was modified by electrodeposition of copper nanoparticles (CuNP) followed by electrochemical treatment in NaOH (GPUE-CuNP), in order to prepare an amperometric sensor for the determination of cysteine (Cys). Cyclic votammograms… read more here.

Keywords: system; composite electrode; determination; copper nanoparticles ... See more keywords