Results 11 to 20 of about 183,405 (287)

Pengaruh Variasi Persentase Campuran Polymer Polyester dan Vinyl Ester Terhadap Kekuatan Tegangan Lentur

open access: yesMetal: Jurnal Sistem Mekanik dan Termal, 2021
Polymer mixture of polyester and vinyl ester is widely used in engineering fields such as for car bumpers, boat bodies, ultra-light aircraft wings, wind turbine blades and others. One of the requirements to meet the application aspects in the engineering
Nusyirwan Adnand   +5 more
doaj   +1 more source

Effect of pistacia khinjuk shell and rapeseed straw particles on mechanical properties and thermal properties of polyester-based composites [PDF]

open access: yesEngineering and Technology Journal
Composite materials are widely employed across various industries due to their superior mechanical and thermal properties compared to metals, offering improved performance with reduced weight.
Sana Muhamadali, Rzgar Abdalrahman
doaj   +1 more source

Investigation of Relationship Between Blend Ratio and Yarn Twist on Yarn Properties of Bamboo, Cotton, Polyester, and its Blends

open access: yesJournal of Natural Fibers, 2017
In this study, a series of blended yarns consisting of 80:20 bamboo/cotton, 67:33 bamboo/cotton, 50:50 bamboo/cotton, 33:67 bamboo/cotton, 20:80 bamboo/cotton, 80:20 bamboo/polyester, 67:33 bamboo/polyester, 50:50 bamboo/polyester, 33:67 bamboo/polyester,
R. Sowmya, N. Vasugi Raaja, C. Prakash
doaj   +1 more source

Anti-Frothing Effect of Poultry Feathers in Bio-Based, Polycondensation-Type Thermoset Composites

open access: yesApplied Sciences, 2020
The formation of polycondensation-type thermoset resins from natural reactants such as citric and glutaric acid, as well as 1,3-propanediol and glycerol, was studied. Monitoring the mass loss by thermogravimetric analysis (TGA) allowed the rate constants
Markus Brenner   +2 more
doaj   +1 more source

Fiber-Based Triboelectric Nanogenerator for Mechanical Energy Harvesting and Its Application to a Human–Machine Interface

open access: yesSensors, 2022
Mechanical energy harvesters including piezoelectric nanogenerators, electromagnetic generators and triboelectric nanogenerators (TENG) used to convert the mechanical motion into electricity are more and more important in the recent decades. Specifically,
Chen-Kuei Chung   +3 more
doaj   +1 more source

The Impact of Atmospheric Plasma/UV Laser Treatment on the Chemical and Physical Properties of Cotton and Polyester Fabrics

open access: yesFibers, 2022
Atmospheric plasma treatment can modify fabric surfaces without affecting their bulk properties. One recently developed, novel variant combines both plasma and UV laser energy sources as a means of energising fibre surfaces.
Maram Ayesh   +2 more
doaj   +1 more source

Synthesis and characterization of polyesters derived from glycerol and phthalic acid

open access: yesMaterials Research, 2007
The production of polyester via polycondensation between glycerol and phthalic acid using dibutyltin dilaurate is reported. Three glycerol:phthalic acid molar ratio used for the bulk polymerization were: 2:2; 2:3 and 2:4.
Danilo Hansen Guimarães   +5 more
doaj   +1 more source

Polyester/SiO2 Nanocomposites: Gas Permeation, Mechanical, Thermal and Morphological Study of Membranes [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2020
Using of nanocomposite membranes composed of polymer and inorganic nanoparticles is a novel method to enhance gas separation performance. In this study, membranes were fabricated from polyester (PE) containing silica (SiO2) nanoparticles and gas ...
Hashem Ahmadizadegan
doaj   +1 more source

Use of Lignin Fibers to Improve Mechanical Properties of Coated Wood

open access: yesTikrit Journal of Engineering Sciences, 2009
In this research, a new method for the production of the blend consists of polyester resin as a matrix-binder at fixed weigh and different weighs of epoxy resin that can be used to coat wood is developed. Several experiments are performed under different
Falak O. Abass   +2 more
doaj   +1 more source

Biomacromolecules and Bio-Sourced Products for the Design of Flame Retarded Fabrics: Current State of the Art and Future Perspectives

open access: yesMolecules, 2019
The search for possible alternatives to traditional flame retardants (FRs) is pushing the academic and industrial communities towards the design of new products that exhibit low environmental impact and toxicity, notwithstanding high performances, when ...
Giulio Malucelli
doaj   +1 more source

Home - About - Disclaimer - Privacy