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Electrical and mechanical properties of antistatic poly(vinyl chloride) composites filled with silver plated hollow glass microspheres / J. Wang ; X. L. Chen ; S. H. Qi in INTERNATIONAL POLYMER PROCESSING, Vol. XXXI, N° 2 (05/2016)
[article]
Titre : Electrical and mechanical properties of antistatic poly(vinyl chloride) composites filled with silver plated hollow glass microspheres Type de document : texte imprimé Auteurs : J. Wang, Auteur ; X. L. Chen, Auteur ; S. H. Qi, Auteur Année de publication : 2016 Article en page(s) : p. 247-253 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antistatiques
Argent
Charges (matériaux)
Chlorure de polyvinyle
Composites -- Propriétés électriques
Composites -- Propriétés mécaniques
Microsphères
VerreIndex. décimale : 668.4 Plastiques, vinyles Résumé : Antistatic poly(vinyl chloride) (PVC) composites filled with silver plated hollow glass microspheres (Ag-HGMs) were prepared using the melt-mixing method. Electrical resistivity and mechanical properties of the Ag-HGMs/PVC composites were subsequently investigated. The results show that the HGMs were successfully coated with a uniform and compact silver layer. With increasing Ag-HGMs content, the volume resistivity of Ag-HGMs/PVC composites decreases nonlinearly. With an Ag-HGMs content of about 120 phr, reaching the percolation concentration, the composites meet the antistatic requirements for commercial antistatic PVC materials. Furthermore, the tensile strength of Ag-HGMs/PVC composites decreases with increasing content of Ag-HGMs, while the impact strength increases with increasing content of Ag-HGMs from 0 phr to 150 phr. We especially found that with a Ag-HGMs/PVC composites exhibit great impact strength. Note de contenu : - EXPERIMENTAL SECTION : Materials - Preparation of Ag-HGMs - Preparation of Ag-HGMs/PVC composites - Characterization
- RESULTS AND DISCUSSION : Structures of Ag-HGMs - Conductivity characteristic of Ag-HGMs/PVC - Structure of Ag-HGMs/PVC composites - Mechanical properties of Ag-HGMs/PVC compositesDOI : 10.3139/217.3202 En ligne : https://drive.google.com/file/d/1PK5QPUhEv3kvhHOKpoca1IL2sn3WbmPU/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26183
in INTERNATIONAL POLYMER PROCESSING > Vol. XXXI, N° 2 (05/2016) . - p. 247-253[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 17979 - Périodique Bibliothèque principale Documentaires Disponible Electrical conductive viscose fiber for smart textiles and smart home / Yvonne Zimmermann in CHEMICAL FIBERS INTERNATIONAL, Vol. 70, N° 4 (12/2020)
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Titre : Electrical conductive viscose fiber for smart textiles and smart home Type de document : texte imprimé Auteurs : Yvonne Zimmermann, Auteur ; Julia Cramer, Auteur ; Uwe Möhring, Auteur Année de publication : 2020 Article en page(s) : p. 171-173 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Charges (matériaux)
Conduction électrique
Cuivre
Electrostatique
Fibres textiles synthétiques
Matériaux intelligents
Noir de carbone
ViscoseIndex. décimale : 677.4 Textiles artificiels Résumé : Static dissipative viscose fibers are made accessible by an increase in conductivity for smart textiles and smart home applications. This article reports on the chemical deposition of copper on carbon black-filled viscose fibers. Note de contenu : - Background
- Additional application of electrical conductive layers
- Influence of the carbon black content in the viscose on the chemical deposition of copper
- Fig. 1 : Relationship between specific electrical resistance and the content of the conductive additive in a polymer fiber
- Fig. 2 : Possibilities For the subsequent application of conductive layers on viscose fibers
- Fig. 3 : Photo of a laminated viscose fiber yarn and a sample after copper plating
- Fig. 4 : SEM images of a metallized viscose fiber yarn with soot, without soot rightEn ligne : https://drive.google.com/file/d/1MEjsj50w2i7-sVH9fjtSamUcaYTQrZsM/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35038
in CHEMICAL FIBERS INTERNATIONAL > Vol. 70, N° 4 (12/2020) . - p. 171-173[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 22511 - Périodique Bibliothèque principale Documentaires Disponible 22474 - Périodique Bibliothèque principale Documentaires Disponible Electromagnetic interference shielding using textile material / Mahesh Baraiya in TECHNICAL TEXTILES, Vol. 66, N° 1 (2023)
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Titre : Electromagnetic interference shielding using textile material Type de document : texte imprimé Auteurs : Mahesh Baraiya, Auteur ; Sanjay Bambhaniya, Auteur ; Aadhar A. Mandot, Auteur Année de publication : 2023 Article en page(s) : p. 33-35 Note générale : Bibliogr. Langues : Multilingue (mul) Catégories : Blindage (électricité)
Charges (matériaux)
Conducteurs organiques
Electromagnétisme
Interférences électromagnétiques
Mesure
Revêtement conducteur
Textiles et tissus à usages techniquesIndex. décimale : 677.4 Textiles artificiels Résumé : The enormous growth in the utilization of electronic devices across the globe in various sectors like military, industrial, medical, etc. has generated a new form of pollution called electromagnetic interference (EMI) which cause the interference or malfunctioning of the electronic equipment and hampers its performance and functionality. Electromagnetic (EM) waves can also create health issues like cancer, headaches, sleep disordesr, brain tumors, fatigue, etc. This means there is a need to shield electronic devices. Development of EMI shield needs an understanding of EM waves, materials, the mechanism used, and measurement techniques. There are 2 types of shields: metal and textile, where metal shields suffer from various limitations which can be well addressed by the use of textile materials. The future EMI shield aims to achieve economy with comfortability which can drape to any desired shape and be manufactured with ease. Textile materials can offer these attributes as they are lightweight, durable, flexible, corrosion-resistant, comfortable, easy to cover, and cost-effective. Note de contenu : - Significance of textiles for electromagnetic shielding : Conductive coatings on textiles - Compounding textile with conductive fillers - Intrinsically conducting polymer
- Mechanism of electromagnetic
- Measurement techniques of shielding effectiveness
- Fig. 1 : Conductive for electromagnetic shielding
- Fig. 2 : Schematic diagram of EM waves transmission on materials
- Fig. 3 : Different measurement techniquesEn ligne : https://drive.google.com/file/d/1I93mPSU4qzF6dsBXW0leuRJRLIzei2_t/view?usp=share [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38926
in TECHNICAL TEXTILES > Vol. 66, N° 1 (2023) . - p. 33-35[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 23905 - Périodique Bibliothèque principale Documentaires Disponible Electron beam processing of rubbers and their composites / A. M. Shanmugharaj in INTERNATIONAL POLYMER PROCESSING, Vol. 37, N° 5 (2022)
[article]
Titre : Electron beam processing of rubbers and their composites Type de document : texte imprimé Auteurs : A. M. Shanmugharaj, Auteur ; V. Vijayabaskar, Auteur ; Anil K. Bhowmick, Auteur Année de publication : 2022 Article en page(s) : p. 471-504 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Charges (matériaux)
Composites
Elastomères
Faisceaux électroniques
Formulation (Génie chimique)
Matières plastiques dans les trains
Réticulation (polymérisation)
SiliceLa silice est la forme naturelle du dioxyde de silicium (SiO2) qui entre dans la composition de nombreux minéraux.
La silice existe à l'état libre sous différentes formes cristallines ou amorphes et à l'état combiné dans les silicates, les groupes SiO2 étant alors liés à d'autres atomes (Al : Aluminium, Fe : Fer, Mg : Magnésium, Ca : Calcium, Na : Sodium, K : Potassium...).
Les silicates sont les constituants principaux du manteau et de l'écorce terrestre. La silice libre est également très abondante dans la nature, sous forme de quartz, de calcédoine et de terre de diatomée. La silice représente 60,6 % de la masse de la croûte terrestre continentale.Index. décimale : 668.4 Plastiques, vinyles Résumé : Electron beam (EB) processing of pristine and filled polymeric materials is considered as one of the most viable techniques in the development of three-dimensional (3D) network structures of polymeric or composite systems with improved physical and chemical properties. The grafting, or the crosslinking process induced by the merging of the macro free radicals generated during the electron beam modification without the aid of any chemical agent or heat, is responsible for the formation of the 3D networks in polymeric systems. Owing to its distinct advantages such as fast, clean and precise, electron beam (EB) radiation technology takes up a vital role in the crosslinking of polymeric compounds. However, during the course of electron beam treatment of polymers, two processes viz., crosslinking and chain scission take place simultaneously, depending on the level of radiation dose used for the processing. The present paper reviews the role of irradiation dose in the presence and absence of radiation sensitizer on the crosslinking and structure formation in a wide variety of soft matrices such as elastomers, latexes, thermoplastic elastomers and their respective filled systems. Notable improvements in mechanical and dynamic mechanical properties, thermal stability, processing characteristics, etc., of the EB processed elastomers and their composites are discussed elaborately in the paper. Specially, the property improvements observed in the EB processed pristine and filled rubbers in comparison to the conventional crosslinking technology are critically reviewed. The level of radiation dose inducing crosslinking in both pristine and filled rubbers, determined by calculating crosslink to scission ratio on the basis of Charlesby–Pinner equation is also discussed in the paper. Finally, the application aspects of electron beam curing technology with special emphasis to cable and sealing industries as developed by one of the authors are highlighted in the paper. Note de contenu : - Radiation sources and characteristics : Types of radiation sources - Fundamentals of electron beam (EB) radiation - Advantages of electron beam (EB) radiation - Parameters/units used in EB radiation induced treatment of materials - Electron beam equipment
- Electron beam modification of rubber : EPDM rubber - Fluorocarbon elastomers - Nitrile rubber - Mixed crosslinking of nitrile rubber with reference to EB radiation - Effects of EB radiation of nitrile rubber at higher temperature
- Electron beam modification of latex
- Electron beam modification of plastics and thermoplastic elastomers
- Electron beam modification of fillers : Electron beam modification of carbon–silica dual phase fillers - Electron beam treatment of silica fillers - Electron beam modification of clay fillers - Electron beam treatment of carbon nanofillers
- Electron beam treatment of filled rubbers and nanocomposites
- Electron beam modification of polymer surfaces
- Electron beam processing of foams
- Applications : Preparation and properties of rubber cable compounds - Preparation and properties of rubber seals - Precuring of tire - Other applications
- Table 1 : Frequency wavelength and Energy of various radiation sources
- Table 2 : Comparison of electron beam and gamma rays.
- Table 3 : Mechanical properties and crosslink densities of compound M1.5/0.5/0–300/0 and M0.5/1.5/0–300/0 irradiated at different doses* (reproduced from Vijayabaskar et al. (2004) with the kind permission of ACS Rubber Division)
- Table 4 : Comparison of Nitrile rubber with different polyfunctional monomers irradiated with different doses at R.T. and 150 °C
- Table 5 : Different types of NR gels and their influence on the properties of NR matrix
- Table 6 : Formulation of an EPDM based cable compound
- Table 7 : Properties of the EPDM cable compound
- Table 8 : Cable composition for diesel locomotives.
- Table 9 : Properties of the cable compound for diesel locomotive
- Table 10 : Comparative report of EB versus chemically crosslinked elastomeric cables
- Table 11 : Comparison of properties of conventional and radiation curable sealing compounds based on NBRDOI : https://doi.org/10.1515/ipp-2021-4211 En ligne : https://drive.google.com/file/d/1psy85_ODMfXnMoy5SuvG-DUnoDkvMkan/view?usp=share [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38325
in INTERNATIONAL POLYMER PROCESSING > Vol. 37, N° 5 (2022) . - p. 471-504[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 23740 - Périodique Bibliothèque principale Documentaires Disponible Emerging research trends in the field of polyurethane and its nanocomposites : Chemistry, Synthesis, Characterization, Application in coatings and Future perspectives / Swati Jakhmola in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 21, N° 1 (01/2024)
[article]
Titre : Emerging research trends in the field of polyurethane and its nanocomposites : Chemistry, Synthesis, Characterization, Application in coatings and Future perspectives Type de document : texte imprimé Auteurs : Swati Jakhmola, Auteur ; Sonalee Das, Auteur ; Kingshuk Dutta, Auteur Année de publication : 2024 Article en page(s) : p. 137-172 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Charges (matériaux)
Matériaux autoréparants
Matériaux hybrides
Nanoparticules
Polyuréthanes
Recyclabilité
Résistance aux conditions climatiques
Revêtements organiquesIndex. décimale : 667.9 Revêtements et enduits Résumé : Polyurethane (PU) coatings are widely used in various industries due to their excellent mechanical strength, along with abrasion, chemical and weather resistance. Recently, use of dynamic bonds to increase the recyclability and self-healing properties of PU is being extensively explored. Incorporation of nanofillers into the PU matrix can further enhance their performance as a coating matrix for application demanding thermal stability, mechanical strength, abrasion resistance, corrosion resistance, foul resistance, smudge resistance and UV resistance. It has been reported that inclusion of nanofillers, like nano-silica, graphene, organoclay, zinc oxide and titanium dioxide can provide enhanced functionalities to the PU matrix owing to their small size and high surface area-to-volume ratio to design tailor made PU coatings with desired properties. This review highlights the classification of PUs based on different dynamic chemistry for imparting self-healing and recyclability properties to the polymer matrix. Further, it will also provide a detailed insight regarding various polyol sources used for the synthesis of PUs, technologies adopted to incorporate nanofillers into the PU matrix for developing PU nanocomposite for coating applications and properties associated with these coatings. A brief conclusion highlighting the present challenges and future prospects of the PU nanocomposite coatings is also presented. Note de contenu : - Polyurethane based on dynamic chemical bonds
- Development of polyurethane coatings from different bio-based sources
- Development of polyurethane coatings with different nanofillers
- Nano-silica
- Applications of polyurethane nanocomposites in coating technology
- Present challenges and prospect
ctsDOI : https://doi.org/10.1007/s11998-023-00841-z En ligne : https://link.springer.com/content/pdf/10.1007/s11998-023-00841-z.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40439
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 21, N° 1 (01/2024) . - p. 137-172[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 24443 - Périodique Bibliothèque principale Documentaires Disponible Enhanced dispersion and mechanical behavior of polypropylene composites compounded using extension-dominated extrusion in INTERNATIONAL POLYMER PROCESSING, Vol. XXXV, N° 3 (07/2020)
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PermalinkÉtude des relations structure-rhéologie de composites polyamide/talc synthétique / J. Beuguel in RHEOLOGIE, Vol. 27 (06/2015)
PermalinkEtude du vieillissement de réticulats époxydes / Mai Le Huy in CAOUTCHOUCS & PLASTIQUES, N° 784 (03/2000)
PermalinkPermalinkEvaluation of corrosion behavior of metal-filled polymeric coatings / N. Kouloumbi in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 66, N° 839 (12/1994)
PermalinkEvaluation of glass bubbles for solar heat reflection in waterborne acrylic elastomeric roof coatings / Kevin Rink in COATINGS TECH, Vol. 13, N° 9 (09/2016)
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