Photochromic ink formulation for digital inkjet printing and colour measurement of printed polyester fabrics / Mohanad Aldib in COLORATION TECHNOLOGY, Vol. 131, N° 2 (04/2015)  

[article]  inCOLORATION TECHNOLOGY > Vol. 131, N° 2 (04/2015) . - p. 172-182 Titre : Photochromic ink formulation for digital inkjet printing and colour measurement of printed polyester fabrics Type de document : texte imprimé Auteurs : Mohanad Aldib, Auteur Année de publication : 2015 Article en page(s) : p. 172-182 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Colorants photochromiques Colorimétrie Décoloration Durée de stockage Durée de vie (Ingénierie) Fibres polyesters Fixation (chimie) Impression jet d'encre Impression numérique Matériaux -- Fatigue Stabilité au stockage Teinture -- Fibres textiles synthétiques Textiles et tissus imprimés Index. décimale : 667.2 Colorants et pigments Résumé : The application of a series of commercial photochromic dyes to polyester fabric by a digital inkjet printing method was investigated. Solvent-based ink systems using the dyes were formulated. The inks were characterised in terms of their physical properties which are related to the jettability of the inks, and finally the prints were fixed onto polyester fabrics by thermal fixation. Colour measurement of the printed fabrics was used to measure their degree of photocoloration, fading rate, fatigue resistance, and storage stabilities. The measured properties of the inkjet-printed fabrics were compared with the same properties of the same dyes applied to polyester fabrics by dyeing methods. The printed fabrics demonstrated inferior performance in terms of the degree of photocoloration, superior performance in the case of background colours, a higher rate of fading, and a lower fatigue resistance compared with that shown by the same dyes applied to polyester fabric by dyeing methods. Note de contenu : - EXPERIMENTAL : Colour measurement methodology and conditions - Materials - Ink formulation - Digital inkjet printing of polyester fabric with photochromic dyes - Fading characteristics, fatigue resistance, and shelf life - RESULTS AND DISCUSSION : The application of photochromic dyes to polyester fabric by an inkjet printing method - Degree of photocoloration and background colours of polyester fabric inkjet printed with photochromic dyes with different numbers of printing passes - Fading time of photochromic dyes applied to polyester fabric by an inkjet printing method - Fatigue resistance of photochromic dyes applied to polyester fabric by an inkjet printing method - Storage stability of photochromic dyes applied to polyester fabric by an inkjet printing method DOI : 10.1111/cote.12136 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12136 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=23690 [article]

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Some properties of a thickener for preparing inkjet printing ink for nylon carpet / Chang E. Zhou in COLORATION TECHNOLOGY, Vol. 133, N° 2 (04/2017)  

[article]  inCOLORATION TECHNOLOGY > Vol. 133, N° 2 (04/2017) . - p. 116-121 Titre : Some properties of a thickener for preparing inkjet printing ink for nylon carpet Type de document : texte imprimé Auteurs : Chang E. Zhou, Auteur ; Qing Zhang, Auteur ; Chi-Wai Kan, Auteur Année de publication : 2017 Article en page(s) : p. 116-121 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Durée de stockage Electrolytes Encre jet d'encre Epaississants Impression jet d'encre Polyacrylates Polyamide 66 Tapis Tension superficielle Index. décimale : 667.3 Teinture et impression des tissus Résumé : The properties of a thickener for nylon carpet inkjet printing are presented in this work. A water-based ink was prepared from polyacrylate-based thickener. The physical and chemical properties of the polyacrylate-based thickener used for preparing the inkjet printing ink, as well as its printing effects on carpet, were investigated. Before printing, the properties of the ink, including its surface tension, electrolyte resistance, storage stability, and percentage removal, were investigated. After printing, the efficiency of coloration of printed carpet and the fastness of printed carpet were studied. The results concerning the surface tension and percentage removal of printing ink show that the polyacrylate-based thickener printing ink is suitable for nylon carpet inkjet printing. Meanwhile, its storage stability and electrolyte resistance make it suitable for printing. The efficiency of coloration of printed carpet and the fastness of printed carpet satisfy the requirements of application at appropriate ink concentration and viscosity. Note de contenu : - EXPERIMENTAL : Materials - Preparation of printing ink with different thickener concentrations - Method for inkjet printing onto nylon carpet - Surface tension - Effect of electrolyte - Storage stability - Efficiency of coloration of printed carpet - Fastness - Washing-off of thickener - RESULTS AND DISCUSSION : Surface tension - Effect of electrolyte - Storage stability - Efficiency of coloration of printed carpet - Fastness of printed carpet - Washing-off of thickener DOI : 10.1111/cote.12262 En ligne : https://drive.google.com/file/d/1K59wB8Uq0Sn2MOgzUZUpCs9EBi3Rj9h4/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28224 [article]

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Storage qualities of wet-blue leathers / Alan E. Russell in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 59 (Année 1975)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 59 (Année 1975) . - p. 41-48 Titre : Storage qualities of wet-blue leathers Type de document : texte imprimé Auteurs : Alan E. Russell, Auteur ; Desmond R. Cooper, Auteur Année de publication : 1975 Article en page(s) : p. 41-48 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Bains de tannage -- Teneur en chrome Cuirs et peaux -- Analyse Durée de stockage pH Stabilité chimique Stabilité physique Température Wet-blue -- Stockage Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The physical and chemical stability of low-chrome wet-blue stock was investigated at various storage pH values, temperatures and times. Chrome contents were varied between 20% and 80% of normal tannage to determine minimum levels required to protect the hide structure from bacterial and hydrolytic damage Behaviour of the leathers under storage was assessed from physical tests on the leathers in the wet condition as well as after fatliquoring and drying and from analysis of the interstitial liquor for free chrome and nitrogen. A feature of the results was the comparative stability of the tanned stock under storage at all levels of chrome content. Shifts in physical properties with chrome content were normal trends, while increases observed in grain extension at crack, slit tear and lastometer loads after storage represented beneficial changes. The low levels of soluble nitrogen and chrome in the leather liquors throughout storage indicated that degradation of the hide structure or breakdown of the chrome complexes in the hide was minimal. The experimental results demonstrate the feasibility of extended storage of wet-blue at extremely low levels of chrome application. Note de contenu : - EXPERIMENTAL DESIGN : Statistical design - Preparation of wet-blue leathers - RESULTS : A)Changes in leather liquors during storage - B) Examination of leathers in the wet condition - C) Examination of finished leathers - Summary of significant changes in physical tests - Table 1 : Chrome content of liquors (ppm) AB x C chrome offered x initial pH (***) - Table 2 : Change in liquor chrome content (ppm) AB x D chrome offered x storage temperature (**) - Table 3 : Property : Shrink. Temp. Change on drying. Unit : Degree cent ABC chrome offered x storage pH (**) - Table 4 : Property : Load at break (wet leathers). Unit : MPa ABE chrome offered x storage time (**) - Fig. 1 : Variation in chrome content of wet-blue leathers with chrome offered - Fig. 2 : Variation in shrinkage temperature of wet-blue leathers with amount of chrome offered - Fig. 3 : Variation of shrinkage temperature of wet-blue leathers with chrome content En ligne : https://drive.google.com/file/d/1bmEsGz0HXovXZcRO8GbJKanKUvNQ_Kpl/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35299 [article]

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Sustainability, a top priority in LEATHER INTERNATIONAL, Vol. 215, N° 4836 (11-12/2013)  

[article]  inLEATHER INTERNATIONAL > Vol. 215, N° 4836 (11-12/2013) . - p. 36-37 Titre : Sustainability, a top priority Type de document : texte imprimé Année de publication : 2013 Article en page(s) : p. 36-37 Langues : Anglais (eng) Catégories : Cuirs et peaux -- Dégraissage Cuirs et peaux -- Microbiologie Cuirs et peaux de moutons Cuirs et peaux de porcs Durée de stockage Mesure Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : DeMythe LDD technology is not only very cost effective but it also delivers the best results for degreasing skins, even with a high fat content. The result is a high quality leather from any skin explains. Note de contenu : - Table 1 : Pilot plant test results : H2O and grease analyses - Table 2 : Degreasig capacity in % (measured o npig and sheepskins) - Table 3 : Storage time versus microbiological activity (cfu per weight) En ligne : https://drive.google.com/file/d/1FMvc7fHkVpEExq-vJbMlijSxJL63UC6-/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=20451 [article]

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