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Preparation of polyurethane acrylate-based titanium dioxide pigment and its use in blue light-curable ink / Chenlong Wang in COLORATION TECHNOLOGY, Vol. 137, N° 4 (12/07/2021)
[article]
Titre : Preparation of polyurethane acrylate-based titanium dioxide pigment and its use in blue light-curable ink Type de document : texte imprimé Auteurs : Chenlong Wang, Auteur ; Kai Yan, Auteur ; Xun Luo, Auteur ; Shulan Jin, Auteur ; Lili Wang, Auteur ; Jun Luo, Auteur ; Jinhuan Zheng, Auteur Année de publication : 2021 Article en page(s) : p. 348-360 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Copolymère uréthane acrylate
Dioxyde de titane
Encre
Lumière bleue
Photoréticulation
Pigments -- Synthèse
Potentiel zeta
Rhéologie
Solidité de la couleur
Taille des particulesIndex. décimale : 667.2 Colorants et pigments Résumé : Polyurethane acrylate-based titanium dioxide was used to prepare blue light-curable inks as both a white pigment to replace the original white pigment and as an oligomer. The polyurethane acrylate-based titanium dioxide was fabricated using a two-step method. In the first step, the titanium dioxide was grafted with γ-aminopropyltriethoxy silane, and the grafting process was studied. Second, amino-modified titanium dioxide was used to prepare polyurethane acrylate-based titanium dioxide, which was then used to configure the blue light-curable polyurethane acrylate-based titanium dioxide ink. Fourier Transform–infrared spectroscopy indicated that the amino-modified titanium dioxide and polyurethane acrylate-based titanium dioxide were prepared successfully. The content of the amino groups on the surface of the amino-modified titanium dioxide could be effectively controlled by adjusting the pH value. Moreover, by increasing the content of the amino groups, the viscosity decreased and the photopolymerisation efficiency increased, which was attributed to the formation of branched structures and the promoting effect of the amino groups on the titanium dioxide. The inks with decreased viscosity and branched structures displayed excellent cross-linking properties: viscoelastic transition was achieved within 10 seconds and the final moduli were in the range of 36-55 kPa. The cross-linking degree and rate were more than seven times those of unmodified ink. The ranges of elongation and stress were 95%-165% and 1.9-4.3 MPa, respectively, and the amino group content varied from 0% to 0.101%. In general, polyurethane acrylate-based titanium dioxide was shown to be suitable for blue light-curable ink. Note de contenu : - EXPERIMENTAL : Materials - Preparation of amino-modified titanium dioxide - Preparation of polyurethane acrylate-based titanium dioxide - Preparation of the blue-light-curable polyurethane acrylate-based titanium dioxide ink - Preparation of the blue light-curable polyurethane acrylate-based titanium dioxide composite films - Characteristics of amino group content on the surface of titanium dioxide - FT-IR - Particle size and zeta potential - Rheological performance of the blue light-curable polyurethane acrylate-based titanium dioxide ink - Photo-rheological performance of the blue light-curable polyurethane acrylate-based titanium dioxide ink - Tensile properties of the blue light-curable polyurethane acrylate-based titanium dioxide composite films - Measurement of colour fastness to crocking
- RESULTS AND DISCUSSION : Preparation of amino-modified titanium dioxide - Properties of polyurethane acrylate-based titanium dioxide - Properties of blue light-curable polyurethane acrylate-based titanium dioxide ink and film
- Table 1 : Effect of APS concentration on the particle size of original and modified titanium dioxide
- Table 2 : Effect of reaction temperature on the particle size of original and modified titanium dioxide
- Table 3 : Effect of pH value on th eparticle size of original and modified titanium dioxideDOI : https://doi.org/10.1111/cote.12532 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12532 Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36099
in COLORATION TECHNOLOGY > Vol. 137, N° 4 (12/07/2021) . - p. 348-360[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 22848 - Périodique Bibliothèque principale Documentaires Disponible Properties of a new nitrogen-free additive as an alternative to urea and its application in reactive printing / Chenglong Wang in COLORATION TECHNOLOGY, Vol. 138, N° 2 (04/2022)
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Titre : Properties of a new nitrogen-free additive as an alternative to urea and its application in reactive printing Type de document : texte imprimé Auteurs : Chenglong Wang, Auteur ; Yongfang Xian, Auteur ; Hongmei Wang, Auteur ; Minghua Wu, Auteur ; Yijia Wang, Auteur ; Deyou yu, Auteur ; Lili Wang, Auteur Année de publication : 2022 Article en page(s) : p. 137-145 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Additifs
Bleu (couleur)
Colorants réactifs
Eaux usées -- Teneur en azote ammoniacal
Eaux usées -- Teneur en azote total
Formulation (Génie chimique)
Impression sur étoffes
Pâtes d'impression
Produits chimiques -- Suppression ou remplacement
Sérigraphie
Solidité de la couleur
Teinture -- Fibres textiles
Urée
ViscoseIndex. décimale : 667.3 Teinture et impression des tissus Résumé : The development of a urea substitute with little nitrogen has become a hot research topic for cleaner production in reactive printing. In the current study, a mixture made from glycerol and 1,4-butanediol (1:1, w/w), namely, urea substitute glycerol butanediol (USGB), was used instead of urea in the printing paste formulation. USGB’s abilities of moisture adsorption, swelling fibres and solubilisation to reactive dyes were compared with those of urea. The printing properties of USGB on different fabrics with reactive dyes were intensively investigated in comparison with urea and commercial 391-H. The results showed that USGB’s ability to swell viscose fibres was superior to that of urea. When the dosage of USGB was within 8-10 wt% in the printing paste, the colour yield of USGB on viscose fabrics drew near to that of urea and was higher than that of 391-H. During viscose printing of reactive blue dyes with different shades and structures, the colour performance of USGB was close to that of urea and higher than that of 391-H. Furthermore, USGB could obtain good printing effects in deep printing with Reactive Turquoise K-GL on different fabrics. Compared with urea, the content of ammonia-nitrogen and total nitrogen in the printing wastewater using USGB were greatly reduced, which is of huge significance for lowering ammonia-nitrogen emissions in the printing industry. Note de contenu : - EXPERIMENTAL : Materials - Determination of the hybroscopicity, swellability and solubility of printing additives - Reactive printing pastes - Screen printing technique - Printing performance of the printed fabrics
- RESULTS AND DISCUSSION : The hygroscopicity, swellability and solubility of printing additives - Colour performances of printing additives with different dosages in reactive printing - Colour performances of printing additives in different printing pastes - Colour performances of printing additives in viscose printing of different reactive dyes
- Table 1 : The formula of reactive printing paste
- Table 2 : Hygroscopicity, swellability of viscose fibre ans solubilisation to reactive turquoise K-GL using urea and urea substitute glycerol butanediol (USGB) as printing additives
- Table 3 : Colour performances of urea, urea substitue glycerol butanediol (USGB) and 391-H on different fabrics during deep printing with Reactive Turquoise K-GL
- Table 4 : Hand parameters of the printed fabrics using urea, urea substitute glycerol butanediol (USGB) and 391-H as printing additives during deep printing with Reactive Turquoise K-GL
- Table 5 : Colour fastness of the printed fabrics using urea, urea substitute glycerol butanediol (USGB) and 391-H as printing additives during deep printing with Reactive Turquoise K-GL
- Table 6 : Ammonia-nitrogen and total nitrogen content in reactive printing wastewaterDOI : https://doi.org/10.1111/cote.12576 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12576 Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37844
in COLORATION TECHNOLOGY > Vol. 138, N° 2 (04/2022) . - p. 137-145[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 23518 - Périodique Bibliothèque principale Documentaires Disponible Rheological studies of mixed printing pastes from sodium alginate and modified xanthan and their application in the reactive printing of cotton / Lili Wang in COLORATION TECHNOLOGY, Vol. 130, N° 4 (08/2014)
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Titre : Rheological studies of mixed printing pastes from sodium alginate and modified xanthan and their application in the reactive printing of cotton Type de document : texte imprimé Auteurs : Lili Wang, Auteur ; Baojiang Liu, Auteur ; Qun Yang, Auteur ; Danian Lu, Auteur Année de publication : 2014 Article en page(s) : p. 273-279 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Alginate de sodium L'alginate de sodium ou polymannuronate sodique, de formule NaC6H7O6 est un additif alimentaire (E401) utilisé dans les boissons, constitué d’alginate et de sodium. Il se présente sous forme de poudre blanche à blanc crème, inodore et sans saveur, très soluble dans l'eau. C'est une longue molécule extraite d'algues brunes, constituée d'unités de glucides reliées ensemble pour former une chaîne.
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).
Epaississants
Gomme de xanthaneLa gomme xanthane est un polyoside obtenu à partir de l'action d'une bactérie, la Xanthomonas campestris. Elle est soluble à froid et est utilisée comme additif alimentaire sous le code E415 pour ses propriétés épaississantes et gélifiantes afin de modifier la consistance des aliments.
Le xanthane est l'un des exopolysaccharides excrétés par divers microorganismes du sol (bactéries notamment). Il joue un rôle important, à l'échelle moléculaire, dans la formation et la conservation des sols3, tout comme le dextrane, le rhamsane ou les succinoglycanes.
Impression sur étoffes
Pâtes d'impression
Rhéologie
SérigraphieIndex. décimale : 667.3 Teinture et impression des tissus Résumé : The rheology of printing pastes using sodium alginate and modified xanthan as mixed thickeners has been measured by steady shear tests and dynamic strain sweep tests. The rheological results showed that, with a small addition of modified xanthan to sodium alginate, the flowability of the mixed printing pastes was better than that with sodium alginate alone. Subsequently, as the addition of modified xanthan increased, the apparent viscosity at low shear rates increased gradually, and the mixed printing pastes gained increasingly pronounced shear-thinning features. In addition, the mixed printing pastes with more sodium alginate exhibited mainly viscous behaviour under strain, and the liquid-like features became increasingly weak with the addition of modified xanthan. On the other hand, the mixed printing pastes with more modified xanthan exhibited mainly elastic behaviour within the linear viscoelastic region, and the solid-like features became increasingly marked with the addition of modified xanthan. Mixtures of sodium alginate and modified xanthan can be used as thickeners in the reactive printing of cotton, producing a good colour yield, levelness, and outline sharpness. In particular, for large patterns, the mixed printing paste performed best when the ratio of sodium alginate to modified xanthan was 80:20; for fine patterns, it performed best when the ratio of sodium alginate to modified xanthan was 20:80. Note de contenu : - EXPERIMENTAL : Materials - Chemical modification of xanthan - Preparation of the mixed printing pastes and the screen printing process - Rheology measurement - Quality-determining parameters
- RESULTS AND DISCUSSION : Rheological properties of printing pastes using mixed thickners - Printing performance of printing pastes using SA and MXG as mixed thickenersDOI : 10.1111/cote.12089 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12089 Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=21779
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Code-barres Cote Support Localisation Section Disponibilité 16443 - 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