Articles with "semi crystalline" as a keyword



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Metal‐Organic Framework Nanosheets as Templates to Enhance Performance in Semi‐Crystalline Organic Photovoltaic Cells

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202200366

Abstract: Optimizing the orientation, crystallinity, and domain size of components within organic photovoltaic (OPV) devices is key to maximizing their performance. Here a broadly applicable approach for enhancing the morphology of bulk heterojunction OPV devices using… read more here.

Keywords: performance semi; metal organic; organic photovoltaic; semi crystalline ... See more keywords
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Structure-Property Relationships of Shape Memory, Semi-Crystalline Polymers Fabricated by in-situ Polymerization and Crosslinking of Octadecyl Acrylate/Polybutadiene Blends.

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Published in 2022 at "Macromolecular rapid communications"

DOI: 10.1002/marc.202200404

Abstract: The current work presents the study of a semi-crystalline, shape memory polymer synthesized by simultaneous free radical polymerization and crosslinking in a blend of polybutadiene and octadecyl acrylate. Blending elastomers and phase change materials provide… read more here.

Keywords: memory; shape memory; semi crystalline; octadecyl acrylate ... See more keywords
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“Secondary electron spectra of semi-crystalline polymers – A novel polymer characterisation tool?”

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Published in 2018 at "Journal of Electron Spectroscopy and Related Phenomena"

DOI: 10.1016/j.elspec.2017.08.001

Abstract: Abstract The nano-scale dispersion of ordered/disordered phases in semi-crystalline polymers can strongly influence their performance e.g. in terms of mechanical properties and/or electronic properties. However, to reveal the latter in scanning electron microscopy (SEM) often… read more here.

Keywords: electron; secondary electron; crystalline polymers; semi crystalline ... See more keywords
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Synthesis and properties of semi-crystalline poly(decamethylene terephthalamide) thermosets from reactive side-group copolyamides

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Published in 2018 at "European Polymer Journal"

DOI: 10.1016/j.eurpolymj.2017.11.019

Abstract: Abstract We have prepared semi-crystalline polyamide (PA) thermosets using reactive side-group functionalized copolyamides as precursors. Reactive meta- and para-based phenylethynyl diacid chlorides (IPE and TPE) were synthesized and incorporated in poly(decamethylene terephthalamide) (PA 10T) using… read more here.

Keywords: poly decamethylene; side group; decamethylene terephthalamide; semi crystalline ... See more keywords
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A 3D phase-field model for simulating the crystal growth of semi-crystalline polymers

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Published in 2017 at "International Journal of Heat and Mass Transfer"

DOI: 10.1016/j.ijheatmasstransfer.2017.08.016

Abstract: Abstract In this study a 3D phase-field model, which is a generalization of the 2D phase-field model we ever presented, has been established for investigating the crystal growth of semi-crystalline polymers. By coupling a non-conserved… read more here.

Keywords: field; phase field; model; semi crystalline ... See more keywords
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A hyperelastic-thermoviscoplastic constitutive model for semi-crystalline polymers: Application to PEEK under dynamic loading conditions

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Published in 2017 at "International Journal of Plasticity"

DOI: 10.1016/j.ijplas.2016.09.011

Abstract: Abstract In this work, a hyperelastic-thermoviscoplastic constitutive model including thermomechanical coupling is presented to predict the mechanical behavior of semi-crystalline polymers. The constitutive model is based on the original approach developed by Polanco-Loria and coauthors… read more here.

Keywords: thermoviscoplastic constitutive; model; semi crystalline; crystalline polymers ... See more keywords
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Temperature and strain rate dependences on hardening and softening behaviours in semi-crystalline polymers: Application to PEEK

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Published in 2020 at "International Journal of Solids and Structures"

DOI: 10.1016/j.ijsolstr.2019.08.021

Abstract: Abstract Semi-crystalline polymers often present a complex non-linear behaviour that combines thermo-viscoelastic and thermo-viscoplastic contributions associated to different deformation mechanisms. During the initial deformation stages, the process is influenced by the rupture and reorientation of… read more here.

Keywords: crystalline polymers; semi crystalline; crystalline; deformation ... See more keywords
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A combined experimental and numerical approach for radiation heat transfer in semi-crystalline thermoplastics

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Published in 2019 at "International Journal of Thermal Sciences"

DOI: 10.1016/j.ijthermalsci.2019.04.020

Abstract: Abstract This paper proposes a novel experimental-numerical approach for radiation heat transfer in semi-crystalline thermoplastics. The proposed experimental and numerical approaches were analyzed here for the case of IR heating of linear polyethylene (PE). The… read more here.

Keywords: radiation heat; semi crystalline; radiation; temperature ... See more keywords
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Development and characterisation of semi-crystalline composite granules: The effect of particle chemistry and the electrostatic charging

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Published in 2017 at "Journal of Physics and Chemistry of Solids"

DOI: 10.1016/j.jpcs.2017.07.030

Abstract: Abstract This study investigated the surface of semi-crystalline composite granules produced via a novel mechano-chemical process and assessed the effect of electrostatic charging. Ibuprofen (IBU), a model drug with low solubility and known associated processing… read more here.

Keywords: microscopy; composite granules; chemistry; semi crystalline ... See more keywords
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Design of low cost semi-crystalline calcium silicate from biomass for the improvement of the mechanical and microstructural properties of metakaolin-based geopolymer cements

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Published in 2019 at "Materials Chemistry and Physics"

DOI: 10.1016/j.matchemphys.2018.10.061

Abstract: Abstract The main objective of this work is to use low-value SiO2 and CaO-rich wastes like rice husk ash and chicken eggshell powders, respectively for producing semi-crystalline calcium silicate with molar ratio CaO/SiO2 equal to… read more here.

Keywords: semi crystalline; crystalline calcium; calcium; calcium silicate ... See more keywords
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Continuum-based modeling large-strain plastic deformation of semi-crystalline polyethylene systems: Implication of texturing and amorphicity

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Published in 2021 at "Mechanics of Materials"

DOI: 10.1016/j.mechmat.2021.104060

Abstract: Abstract The present contribution examines the ability of a constitutive model to capture polyethylene response variation with crystallinity. The model considers the elastic-viscoplastic crystal deformation and anisotropy due to the crystallographic texturing along with the… read more here.

Keywords: crystalline polyethylene; polyethylene systems; deformation; model ... See more keywords