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Synthesis and application of a novel, triphendioxazine-based, phosphorus-containing acid dye for wool / Jinhai Cui in COLORATION TECHNOLOGY, Vol. 134, N° 5 (10/2018)
[article]
Titre : Synthesis and application of a novel, triphendioxazine-based, phosphorus-containing acid dye for wool Type de document : texte imprimé Auteurs : Jinhai Cui, Auteur ; Shufen Zhang, Auteur Année de publication : 2018 Article en page(s) : p. 381-389 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Bleu marine
Colorants -- Synthèse
Colorants acides
Laine
Photostabilité
TriphénodioxazineIndex. décimale : 667.3 Teinture et impression des tissus Résumé : A novel phosphorus‐containing acid dye based on triphendioxazine was designed and synthesised from diphenylamine through a series of reactions. The dye has a navy-blue colour, high molar extinction coefficient of 5.32 × 104 l/mol·cm, and high substantivity for dyeing wool in a salt-free, aqueous dyebath. A high exhaustion value of 98.2% on wool fabrics was recorded at 3% omf and a liquor ratio of 1:20. The wash fastness values of the acid dye, including colour change and staining on cotton and wool, were grades 5, 4 and 4–5, respectively. The dry and wet fastness are grades 4–5 and 4, respectively. In addition, light fastness reaches grades 6–7 at 3% omf dye concentration. These dye properties are better than those of commercial triphendioxazine dyes, for example, CI Direct Blue 106 and CI Reactive Blue 198, under analogous dyeing conditions. Note de contenu : - EXPERIMENTAL : Materials - Methods - Synthesis of PAS from triphendioxazine - Measurement of UV-visible spectra, standard dyeing curves and PAD dyeing curves - Measurements for the performance of dyed wool
- RESULTS AND DISCUSSION : Synthesis of PAD from triphendioxazine and its spectrum - Effect of pH on the dyeing properties of PAD - Effect of inorganic salts on the dyeing properties of PAD - Effect of the dye amount on the dyeing properties of PAD - Colour fastness of the dyes wool fabricsDOI : 10.1111/cote.12352 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12352 Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31163
in COLORATION TECHNOLOGY > Vol. 134, N° 5 (10/2018) . - p. 381-389[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20217 - Périodique Bibliothèque principale Documentaires Disponible Synthesis and application of some novel antimicrobial monoazonaphthalimide dyes : synthesis and characterisation / Hanieh Shaki in COLORATION TECHNOLOGY, Vol. 128, N° 4 (2012)
[article]
Titre : Synthesis and application of some novel antimicrobial monoazonaphthalimide dyes : synthesis and characterisation Type de document : texte imprimé Auteurs : Hanieh Shaki, Auteur ; Kamaladin Gharanjig, Auteur ; Shohre Rouhani, Auteur ; Alireza Khosravi, Auteur ; Javad Fakhar, Auteur Année de publication : 2012 Article en page(s) : p. 270-275 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antimicrobiens
Caractérisation
Colorants -- Chimie
Colorants -- Synthèse
Colorants azoïquesIndex. décimale : 667.3 Teinture et impression des tissus Résumé : A series of novel monoazo dyes based on N-pyridine-1,8-naphthalimides were prepared using 4-amino-N-2-aminomethylpyridine-1,8-naphthalimide as the diazo component and N,N-diethyl-meta-toluidine, 3-(N,N-diethylamino)acetanilide and N-hydroxyethyl-N-ethylaniline as the coupling components. The synthesised dyes were purified by utilising column and preparative thin-layer chromatography methods. The characterisations of the prepared dyes were carried out by differential scanning calorimetery, thin-layer chromatography (Rf values), Fourier Transform infrared, and proton and carbon nuclear magnetic resonance techniques. The in vitro antibacterial activity of the novel synthesised compounds against Escherichia coli, Staphylococcus aureus, Bacillus subtilis and their antifungal activity against Candida albicans were evaluated by use of conventional agar dilution procedures and a minimum inhibitory concentration. Some of these synthesised dyes demonstrated antibacterial activity against Gram-positive bacteria in addition to antifungal activities. Note de contenu : - EXPERIMENTAL : Materials, equipment and analysis - Synthesis of acid dye 1 - Synthesis of acyl chloride 2 - Synthesis of disperse dyes 3a-i - Dye sorption - Shade depth - Fastness - Partition coefficient and standard affinity
- RESULTS AND DISCUSSION : Synthesis and characterisation - Spectral - Dye sorption and standard affinity - Colour build-up and colour fastnessDOI : 10.1111/j.1478-4408.2012.00374.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2012.00374.x/pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=15674
in COLORATION TECHNOLOGY > Vol. 128, N° 4 (2012) . - p. 270-275[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 14081 - Périodique Bibliothèque principale Documentaires Disponible Synthesis and application to cellulose of reactive dye precursor of anti-bacterial N-halamine / Zhiming Jiang in COLORATION TECHNOLOGY, Vol. 133, N° 5 (10/2017)
[article]
Titre : Synthesis and application to cellulose of reactive dye precursor of anti-bacterial N-halamine Type de document : texte imprimé Auteurs : Zhiming Jiang, Auteur ; Wenjun Peng, Auteur ; Rong Li, Auteur ; Dan Huang, Auteur ; Xuehong Ren, Auteur ; Tung-Shi Huang, Auteur Année de publication : 2017 Article en page(s) : p. 376-381 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antibactériens
CelluloseLa cellulose est un glucide constitué d'une chaîne linéaire de molécules de D-Glucose (entre 200 et 14 000) et principal constituant des végétaux et en particulier de la paroi de leurs cellules.
Colorants -- Synthèse
Colorants réactifs
Colorimétrie
Composés organiques -- Synthèse
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).
N-halamine
Teinture -- Fibres textiles
Tests d'efficacitéIndex. décimale : 667.3 Teinture et impression des tissus Résumé : To achieve textile dyeing and functional finishing in one process, a bleach-resistant reactive dye precursor to anti-bacterial N-halamine was synthesised by reacting a type of dichlorotriazine reactive dye with 4-amino-2,2,6,6-tetramethylpiperidine. The synthesised compound, which can be transformed to an N-halamine molecule by exposure to dilute bleach solution, was used to dye cotton fabrics. After exposure to a dilute sodium hypochlorite solution, dyed cotton fabrics showed excellent anti-bacterial properties against Staphylococcus aureus and Escherichia coli O157:H7, facilitating a ca. 6-log reduction in bacteria within a short period of contact. Compared with the dichlorotriazine reactive dye, the reactive dye precursor demonstrated comparable dyeing properties including exhaustion and fixation values. No differences in rub fastness, wash fastness or bleach fastness were detected between fabrics dyed with, respectively, dichlorotriazine reactive dye and the reactive dye precursor to N-halamine. Note de contenu : - EXPERIMENTAL : Materials and instrumentations - Synthesis of chlorine bleach-resistant dye 1 - Synthesis of reactive dye precursor 2 - Dyeing procedure - Chlorination and titration - Colour measurement - Measurement of dye exhaustion and fixation - Fastness - Biocidal efficacy testing
- RESULTS AND DISCUSSION : Preparation of anti-bacterial dyeing cellulose - Dyeing properties - Fastness properties - Anti-bacterial efficacyDOI : 10.1111/cote.12290 En ligne : https://drive.google.com/file/d/1hFPeMYR9nvwPEauFlqCO7G0FAMcUF3H7/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29196
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Code-barres Cote Support Localisation Section Disponibilité 19221 - Périodique Bibliothèque principale Documentaires Disponible Synthesis and application to cotton of a polymeric black colorant prepared by grafting of reactive dyes to polyvinylamine / Jingjing Yang in COLORATION TECHNOLOGY, Vol. 133, N° 5 (10/2017)
[article]
Titre : Synthesis and application to cotton of a polymeric black colorant prepared by grafting of reactive dyes to polyvinylamine Type de document : texte imprimé Auteurs : Jingjing Yang, Auteur ; Jian Li, Auteur ; Xiaoxu Teng, Auteur Année de publication : 2017 Article en page(s) : p. 391-402 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Analyse spectrale
Colorants -- Synthèse
Colorants réactifs
Colorimétrie
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).
Noir (couleur)
Polyvinylamine
Solubilité
Stabilité thermique
Teinture -- Fibres textilesIndex. décimale : 667.3 Teinture et impression des tissus Résumé : A novel polymeric black dye was synthesised by grafting yellow, orange, red, and blue reactive dyes onto polyvinylamine. Such a polymeric black dye takes the onus away from dyers to worry about the compatibility of individual dyes. The polymeric black dye was characterised by Fourier transform infrared, ultraviolet-visible, and nuclear magnetic resonance spectroscopy. The absorption of the polymeric black dye in aqueous solution was nearly constant across the wavelength range 400–700 nm. Compared with a black mixture of reactive dyes with low fixation on cotton, which was prepared by mixing yellow, orange, red, and blue reactive dyes, the polymeric black dye reached 99% fixation on cotton through the use of a crosslinking agent. The colorimetric properties of cotton dyed with the polymeric black dye and with the black mixture of reactive dyes showed that better blackness can be obtained by using the polymeric black dye. Analysis of the thermal stability and penetration ability of the polymeric black dye showed that the polymeric dye has high stability in the application and a uniform distributution in the cotton fabric. Note de contenu : - EXPERIMENTAL : Materials and characterisation - Synthesis - Purification of reactive dyes - Solubility of polymeric black dye - Thermal stability of polymeric black dye - Dyeing and fixing process - Measurement of dye exhaustion, reactivity, and fixation - Measurement of colour yield and fastness testing - Colour measurement of the polymeric black dye - Microscopy of dyed cotton
- RESULTS AND DISCUSSION : Properties and combination of the individual reaction dyes - Preparation and spectroscopic properties of the polymeric black dye - Solubility of the polymeric black dye in aqueous solution - Thermal stability of the polymeric black dye - Colorimetric properties of the black mixture of reactive dyes and the polymeric black dye - Distribution of polymeric colorant within dyed cotton - Fastness propertiesDOI : 10.1111/cote.12292 En ligne : https://drive.google.com/file/d/1vxoVF_64r3HcWm-jZ1dh3NmwLb5df0M2/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29198
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Code-barres Cote Support Localisation Section Disponibilité 19221 - Périodique Bibliothèque principale Documentaires Disponible Synthesis and characterisation of benzothiazole-based solid-state fluorescent azo dyes / Ganapati S. Shankarling in COLORATION TECHNOLOGY, Vol. 126, N° 6 (2010)
[article]
Titre : Synthesis and characterisation of benzothiazole-based solid-state fluorescent azo dyes Type de document : texte imprimé Auteurs : Ganapati S. Shankarling, Auteur ; Rajkumar N. Rajule, Auteur ; Yogesh A. Sonawane, Auteur ; Prakhar P. Kasture, Auteur Année de publication : 2010 Article en page(s) : p. 348-352 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Benzothiazoles
Caractérisation
Chimie analytique
Chimie textile
Colorants
Colorants -- Synthèse
Fibres polyesters
Solubilité
Solvants organiques
Teinture -- Fibres textilesTags : 'Teintures azotées fluorescentes à semi-conducteur' 'Solvant organique' Colorant Caractérisation Solubilité 'Coefficient d'extinction molaire' Dichlorométhane Chloroforme Diméthylformamide Tétrahydrofurane 'Sulfoxyde diméthylique' Polyester 'Teinture de dispersion' Thermogravimétrie 'Résonance magnétique proton' 'Spectrométrie masse' Stabilité thermique Index. décimale : 667.3 Teinture et impression des tissus Résumé : Novel solid-state fluorescent azo dyes containing a 2-[4-(dimethylamino)phenyl]benzo[d]thiazol-6-amine as the electron donor group were synthesised. These dyes showed a molar extinction coefficient in the range of 20 000–30 000 l/mol/cm. These compounds were characterised by strong solid-state fluorescence under long ultraviolet light (365 nm). Absorption and fluorescence spectra revealed that electron coupling originating from broad π-electron delocalisation and the keto–enol form is responsible for the large Stokes shift. These dyes were readily soluble in common solvents such as dichloromethane, chloroform, dimethyl formamide, tetrahydrofuran and dimethyl sulphoxide and were characterised by means of elemental analysis, proton nuclear magnetic resonance and mass spectrometry. Thermogravimetric analysis of solid-state fluorescent dyes show thermal stability up to 270 °C and can therefore be used for polymer application. The coloristic properties of these dyes were evaluated on polyester by the disperse dyeing method. DOI : 10.1111/j.1478-4408.2010.00268.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2010.00268.x/pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10246
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