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Cold pad-batch bleaching of cotton fabrics with a TAED/H2O2 activating system / Jianzhong Shao in COLORATION TECHNOLOGY, Vol. 126, N° 2 (2010)
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Titre : Cold pad-batch bleaching of cotton fabrics with a TAED/H2O2 activating system Type de document : texte imprimé Auteurs : Jianzhong Shao, Auteur ; Yi Huang, Auteur ; Zhenhua Wang, Auteur ; Jinqiang Liu, Auteur Année de publication : 2010 Article en page(s) : p. 103-108 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : The cold pad–batch bleaching of cotton fabrics using a tetra acetyl ethylene diamine/hydrogen peroxide (TAED/H2O2) activating system is investigated in this study. The effects of key bleaching parameters (hydrogen peroxide dosage, sodium hydroxide dosage, TAED/H2O2 mol ratio and batch time) on the bleaching efficiency were investigated by single-factor analysis and orthogonal experiment analysis. The performance of the activator TAED in the cold pad–batch process was examined and the activating mechanism is discussed. The optimised bleaching recipe and processing conditions are reported, and the optimal activated bleaching process is also compared with a conventional cold pad–batch bleaching process. The results show that the optimised TAED/H2O2 activated bleaching system could achieve high quality cotton bleaching with comparable fabric whiteness to the conventional system at much shorter batch times, and with significantly reduced fabric strength loss and decreased alkali consumption, which would be beneficial to sustained development of the textile wet-processing industry. DOI : 10.1111/j.1478-4408.2010.00234.x Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9283
in COLORATION TECHNOLOGY > Vol. 126, N° 2 (2010) . - p. 103-108[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 012133 - Périodique Bibliothèque principale Documentaires Disponible Fabrication of high-quality silica photonic crystals on polyester fabrics by gravitational sedimentation self-assembly / Lan Zhou in COLORATION TECHNOLOGY, Vol. 131, N° 6 (12/2015)
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Titre : Fabrication of high-quality silica photonic crystals on polyester fabrics by gravitational sedimentation self-assembly Type de document : texte imprimé Auteurs : Lan Zhou, Auteur ; Yujiang Wu, Auteur ; Guojin Liu, Auteur ; Yichen Li, Auteur ; Qinguo Fan, Auteur ; Jianzhong Shao, Auteur Année de publication : 2015 Article en page(s) : p. 413-423 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Composés inorganiques -- Synthèse
Cristaux photoniques
Gel de silice
Microsphères
Polyesters
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.
Systèmes auto-assemblés
Textiles et tissus synthétiquesIndex. décimale : 667.3 Teinture et impression des tissus Résumé : A series of monodispersed silica microspheres with favourable sphericity and different diameters in the range 180–380 nm were prepared by adjusting the concentrations of tetraethylorthosilicate, ammonia, and deionised water by the Stöber method. In different self-assembly conditions, the quality of silica photonic crystals on a polyester fabric substrate was investigated by field-emission scanning electron microscopy for the morphology of the crystal structures and by spectrometry for their stop band intensities. High-quality silica photonic crystals with a face-centred cubic (fcc) array on polyester fabrics were produced at a low evaporation rate by adopting a high-relative-humidity controlled condition with a medium mass fraction of colloidal silica, and exhibited brilliant and variable structural colours, depending on the photonic band gap regulated by the spherical size of the silica microspheres and the viewing angles. Note de contenu : - EXPERIMENTAL : Reagents and materials - Synthesis of monodispersed silica colloidal microspheres - Self-assembly of silica colloidal microspheres on polyester fabrics by gravitational sedimentation - Characterisation
- RESULTS AND DISCUSSION : Synthesis of monodispersed silica colloidal microspheres - Influential factors of self-assembly in the fabrication of silica photonic crystals on the surface of polyester fabricDOI : 10.1111/cote.12164 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12164 Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25087
in COLORATION TECHNOLOGY > Vol. 131, N° 6 (12/2015) . - p. 413-423[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 17685 - Périodique Bibliothèque principale Documentaires Disponible Study of the application of modified thiourea dioxide discharge agent in D5 non-aqueous medium / Lan Zhou in COLORATION TECHNOLOGY, Vol. 131, N° 2 (04/2015)
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Titre : Study of the application of modified thiourea dioxide discharge agent in D5 non-aqueous medium Type de document : texte imprimé Auteurs : Lan Zhou, Auteur ; Jiang Shan, Auteur ; Xiaoyun Liu, Auteur ; Jianzhong Shao, Auteur Année de publication : 2015 Article en page(s) : p. 149-156 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Agents de blanchiment
CotonLe coton est une fibre végétale qui entoure les graines des cotonniers "véritables"(Gossypium sp.), un arbuste de la famille des Malvacées. Cette fibre est généralement transformée en fil qui est tissé pour fabriquer des tissus. Le coton est la plus importante des fibres naturelles produites dans le monde. Depuis le XIXe siècle, il constitue, grâce aux progrès de l'industrialisation et de l'agronomie, la première fibre textile du monde (près de la moitié de la consommation mondiale de fibres textiles).
Fragmentation
Granulométrie
Microscopie électronique à balayage
Soie et constituants
Textiles et tissus -- Propriétés mécaniques
Textiles et tissus imprimés
Thiourée
Traction (mécanique)Index. décimale : 667.3 Teinture et impression des tissus Résumé : In view of the low solubility of thiourea dioxide in water and its inertia to most chemical reagents, a novel non-aqueous medium, decamethylcyclopentasiloxane, was introduced to replace water in the grinding process for better dispersibility and discharge stability. In this study, the effects of different grinding methods on the particle size distribution and surface appearance of thiourea dioxide were studied. The influences of aqueous and decamethylcyclopentasiloxane media on the discharge stability of thiourea dioxide in discharge paste were compared. The whiteness, handle, and the tensile strength of the discharge-printed fabric were evaluated. The results showed that the wet grinding process endowed thiourea dioxide with smaller particle sizes and narrower size distributions in the presence of dispersants. Decamethylcyclopentasiloxane as a non-aqueous medium was beneficial in maintaining good discharge stability of thiourea dioxide for a longer time. The fabrics discharged by the prepared thiourea dioxide printing paste had favourable whiteness, good handle, and acceptable tensile strength. Note de contenu : - EXPERIMENTAL : Materials and chemicals - Dyeing process of silk and cotton fabrics - Grinding process of discharge agent thiourea dioxide - White discharge printing process - Characterisation
- RESULTS AND DISCUSSION : Particle size analysis - Field emission scanning electron microscopy - Effect of different dispersion media on the whiteness of discharged fabrics - White dischargeability in comparison with conventional discharge agents - The white discharge stability of thiourea dioxide in different dispersion media - Fabric handle - Tensile strengthDOI : 10.1111/cote.12129 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12129 Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=23674
in COLORATION TECHNOLOGY > Vol. 131, N° 2 (04/2015) . - p. 149-156[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 17121 - Périodique Bibliothèque principale Documentaires Disponible Titanium dioxide grafted with silane coupling agents and its use in blue light curing ink / Lili Wang in COLORATION TECHNOLOGY, Vol. 136, N° 1 (02/2020)
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Titre : Titanium dioxide grafted with silane coupling agents and its use in blue light curing ink Type de document : texte imprimé Auteurs : Lili Wang, Auteur ; Xiaying Jiang, Auteur ; Chenglong Wang, Auteur ; Yi Huang, Auteur ; Yiding Meng, Auteur ; Jianzhong Shao, Auteur Année de publication : 2020 Article en page(s) : p. 15-22 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Angle de contact
Bleu (couleur)
Caractérisation
Dioxyde de titane
Dispersions et suspensions -- Stabilité
Encre
Encre -- Propriétés mécaniques
Fourier, Spectroscopie infrarouge à transformée de
Granulométrie
Greffage (chimie)
Photoréticulation
Réaction de couplage
Rhéologie
Silanes
ThermogravimétrieIndex. décimale : 667.2 Colorants et pigments Résumé : To improve the properties of titanium dioxide particles and realise their firm anchorage in blue light curing film, three modified titanium dioxide particles were prepared by grafting 3-(trimethoxysilyl)propyl methacrylate, 3-aminopropyltriethoxysilane and hexadecyltrimethoxysilane. The surface changes of titanium dioxide particles after modification were characterised. The dispersion stability, photo-polymerisation, rheological and mechanical properties of modified titanium dioxide blue light curing inks were investigated. Results showed that compared with native titanium dioxide, modified titanium dioxide particles were more appropriate for blue light curing ink. The particle sizes of the three modified titanium dioxide particles became smaller, their surfaces exhibited hydrophobicity, and the viscosity of the modified titanium dioxide inks decreased slightly. Of the three modified titanium dioxide particles, 3-(trimethoxysilyl)propyl methacrylate- and hexadecyltrimethoxysilane-modified titanium dioxide particles exhibited better dispersion stability in blue light curing ink. In particular, 3-(trimethoxysilyl)propyl methacrylate-modified titanium dioxide blue light curing ink showed the best photo-polymerisation and mechanical properties, which indicated the participation of the pigment grafted by double bonds in the blue light curable polymerisation. Using modified titanium dioxide in blue light curing ink, the dry/wet rubbing fastness of the printed fabrics improved. Note de contenu : - EXPERIMENTAL : Materials - Grafting of silane coupling agent onto the surface of titanium dioxide particles - Preparation of blue light curing ink - Preparation of blue light curing - Characterisations
- RESULTS AND DISCUSSION : FT-IR spectroscopy of modified titanium dioxide - Thermogravimetric analysis of modified titanium dioxide - Elemental analysis of modified titanium dioxide - Particle size analysis of modified titanium dioxide - Contact angle analysis of modified titanium dioxide - Dispersion stability of modified titanium dioxide - Rheological porperties of modified titanium dioxide bluelight curing inkDOI : https://doi.org/10.1111/cote.12434 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12434 Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33696
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Code-barres Cote Support Localisation Section Disponibilité 21546 - Périodique Bibliothèque principale Documentaires Disponible Variable structural colors and hydrophobicity of SiO2/polyethyleneimine coating on glass substrate / Yongtang Jia in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 12, N° 6 (11/2015)
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Titre : Variable structural colors and hydrophobicity of SiO2/polyethyleneimine coating on glass substrate Type de document : texte imprimé Auteurs : Yongtang Jia, Auteur ; Yun Zhang, Auteur ; Guangqing Zhuang, Auteur ; Qinguo Fan, Auteur ; Jianzhong Shao, Auteur ; Guojin Liu, Auteur Année de publication : 2015 Article en page(s) : p. 1031-1039 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Angle de contact
Couleur
Dioxyde de silicium
Hydrophobie
Polyéthylèneimine
Verre -- RevêtementsIndex. décimale : 667.9 Revêtements et enduits Résumé : Films composed of nanoparticles have been commonly used in decorative applications due to their striking colors and useful self-cleaning properties. An efficient option for the structural coloration has been developed through fabrication of the thin films on substrates from SiO2 nanoparticles and PEI. The surface morphology and microstructure of SiO2/polyethyleneimine (PEI) film on glass substrate were analyzed with an SEM, AFM, and thickness analyzer. The homogeneous coatings of limited SiO2 aggregation with air voids were formed on glass substrates. It was strongly suggested that optical properties of the films came from the single-layer thin film interference effect. The structural colors of SiO2/PEI films were captured by digital camera, integrating sphere spectrophotometer and multi-angle spectrophotometer. The results indicated that the films illuminated distinctly as the thickness increased, and presented different lightness values and hues at various viewing angles. Moreover, those films with some surface roughness exhibited high water static contact angle, which endowed the films potential hydrophilicity and self-cleaning property. Note de contenu : - EXPERIMENTAL METHODS AND MATERIALS : Preparation of the solutions - Preparation of the composite SiO2/PEI thin films - Characterization
- RESULS AND DISCUSSION : Variable colors through a single-layer interference effect - Structural colors of the SiO2/PEI films with various thickness - Color variation at different angles - Hydrophobic property of the SiO2/PEI coatingDOI : 10.1007/s11998-015-9708-x En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-015-9708-x.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24952
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