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Aqueous red iron oxide (pigment red 101) dispersions in SURFACE COATINGS INTERNATIONAL, Vol. 106.3 (05-06/2023)
[article]
Titre : Aqueous red iron oxide (pigment red 101) dispersions Type de document : texte imprimé Année de publication : 2023 Article en page(s) : p. 206-27 Langues : Anglais (eng) Catégories : Agents dispersants (chimie)
Biomatériaux
Brillance (optique) -- Mesure
Colorimétrie
Colza et constituants
Dispersions et suspensions
Dispersions et suspensions -- Stabilité
Oxyde de fer
Produits commerciaux
Ressources renouvelables
Revêtements (produits chimiques)
Rouge (couleur)
Soja et constituantsIndex. décimale : 667.9 Revêtements et enduits Résumé : This programme of work highlight the biobased range of products are very suitable as dispersing agents for Pigment Red 101 (red iron oxides), which is one of the most used pigments in the world.
This article show three products from our BioLoop range : Lansperse BIO691, Lansperse BIO801 and Lansperse RPS11. The first two are from our soybean-based BioLoops and the last one is from our newly launched rapeseed variants. All these are 100% renewable and are an important addition to the Lankem range in developing greener.Note de contenu : - Technical work
- Viscosity and stability of dispersions
- Colour and gloss analysisPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39484
in SURFACE COATINGS INTERNATIONAL > Vol. 106.3 (05-06/2023) . - p. 206-27[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 24074 - Périodique Bibliothèque principale Documentaires Disponible Colour tolerance for liquid coatings / Chiara Battaglia in SURFACE COATINGS INTERNATIONAL, Vol. 103.4 (07-08/2020)
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Titre : Colour tolerance for liquid coatings Type de document : texte imprimé Auteurs : Chiara Battaglia, Auteur ; Long Lin, Auteur Année de publication : 2020 Article en page(s) : p. 204-207 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Colorimétrie
Evaluation
Formulation (Génie chimique)
Mesure
Revêtements organiques
Rouge (couleur)
Vert
vision des couleursIndex. décimale : 667.9 Revêtements et enduits Résumé : Ensuring colour consistency between the standard and a batch is a fundamental task in coloured goods manufacturing, which is achieved through the colour matching evaluation. For this purpose, the determination of acceptable tolerances is essential to allow a clear and accurate colour communication and to avoid customer complaints. The study reported in this paper attempted to identify a reliable method to define colour tolerance limits.
One of the limits of every colour representation model is that a Euclidean global colour space cannot be uniform at the saure time in terms of both hue and chroma differences. Additionally, a tolerance measure based only on the AE value does not take into account that this difference could be due to variations along a single or multiple coordinates at once'. As a consequence, there is, by necessity, an unsatisfactory correlation between instrumental (AE) and visual (AV) tolerances.
The most accurate representation of the limits of colour perception in the CIE colour space has the shape of an ellipsoid, defined as: "the standard deviation of the boundaries around a colour target (centre point of the ellipsoids) on the CIE colour space, where all the colours within are indistinguishable to the average human eye".Note de contenu : - MATERIALS
- METHODOLOGY : Instrumental measurements - Visual assessment
- RESULTS AND DISCUSSION : Visual and instrumental data correlation
- Fig. 1 : Tolerance ellipsoids in the CIELab colour space
- Fig. 2 : Colour variations of the green low chroma centre along the axis of the colour space
- Fig. 3 : Colour variations of the bright orange chroma centre along the axis of the colour space
- Table 1 : Pigments content of the standards
- Table 2 : Green batches formulations (percentage by weight of the coating sample)
- Table 3 : Orange batches formulations (percentage by weight of the coating sample)En ligne : https://drive.google.com/file/d/1n163Y6uANDRwjzvcDGcGTppKqlk5NTQE/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34429
in SURFACE COATINGS INTERNATIONAL > Vol. 103.4 (07-08/2020) . - p. 204-207[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21903 - Périodique Bibliothèque principale Documentaires Disponible Comparison of madder (Rubia tinctorum L.) and weld (Reseda luteola L.) total extracts and their individual dye compounds with regard to their dyeing behaviour, colour, and stability towards light / Hendra Willemen in COLORATION TECHNOLOGY, Vol. 135, N° 1 (02/2019)
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Titre : Comparison of madder (Rubia tinctorum L.) and weld (Reseda luteola L.) total extracts and their individual dye compounds with regard to their dyeing behaviour, colour, and stability towards light Type de document : texte imprimé Auteurs : Hendra Willemen, Auteur ; Geeske J. P. van den Meijdenbert, Auteur ; Teris A. van Beek, Auteur ; Goverdina C. H. Derksen, Auteur Année de publication : 2019 Article en page(s) : p. 40-47 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Colorants -- Propriétés tinctoriales
Colorimétrie
Couleurs -- Stabilité
Garance et constituants
Jaune
LutéolineLa lutéoline ou lutéolol est un composé chimique de la famille des flavonoïdes, et plus spécifiquement l'une des flavones les plus communes. Elle fut isolée pour la première fois par le chimiste français Michel-Eugène Chevreul à partir de la gaude (autre nom du réséda des teinturiers, une plante utilisée autrefois pour fabriquer de la teinture jaune).
Photostabilité
Rayonnement ultraviolet
Rouge (couleur)Index. décimale : 667.3 Teinture et impression des tissus Résumé : This paper reports on the colorimetric properties of natural dyes from madder and weld plants. For both crops, a comparison is made among several individual dye compounds and the total plant extracts. Dyeing properties, colour properties and colour stability have been studied. Insight has been gained into the role of the major dye compounds present in the plant. For madder as well as for weld, the use of the total plant extract is considered to be advantageous over the use of individual dye compounds in terms of solubility, colour tone and stability towards light, and non-coloured components present in the plant extract are considered to be responsible for increasing the solubility and the stability of the dye compounds. Note de contenu : - EXPERIMENTAL : Materials - Dyeing procedure - Exposure of UV light - Extraction method - Colorimetric measurement
- RESULTS AND DISCUSSION : Dyeing behaviour of extracts vs individual dye compounds - Colour of extracts vs individual dye compoundsDOI : 10.1111/cote.12384 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12384 Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31664
in COLORATION TECHNOLOGY > Vol. 135, N° 1 (02/2019) . - p. 40-47[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20582 - Périodique Bibliothèque principale Documentaires Disponible 20583 - Périodique Bibliothèque principale Documentaires Disponible Creating colour / Pablo Marroquin in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 207, N° 4633 (08/2017)
[article]
Titre : Creating colour : The author discusses the processing of red iron oxide pigments Type de document : texte imprimé Auteurs : Pablo Marroquin, Auteur Année de publication : 2017 Article en page(s) : p. 20-21 Langues : Anglais (eng) Catégories : Oxyde de fer
Rouge (couleur)Index. décimale : 667.2 Colorants et pigments Résumé : Pigments are materials that change the colour of transmitted or reflected light by reflecting a specific wavelength of light while absorbing other wavelengths. In other words, they separate light into different fractions, rejecting only the fraction of the specific colour of the pigment.
Most pigments used are dry colourants, usually ground into a fine powder. The partiale size distribution (PSD) plays a very important role in how light reacts alter hitting a pigment.
Due to their special characteristics, pigments are used as colouring in many different applications. For example, they are usect in paint, fabric and textiles, ink, food, plastics, cosmetics and many other applications. Pigments are milled very fine as the colouration intensity depends on the fineness of the materials.
Hosakawa Alpine has a large variety of milling equipment to process pigments based on the relevant task. The process may be an effective size reduction (milling) if the pigment is, for example, a mineral pigment coming from a mine. It may also be a 'simple' de-agglomeration if the pigment comes from a chemical crystallisation process. It is also possible that the pigment already has the desired PSD and the milling equipment is only used to guarantee a final fineness.
In the selection of the right milling equipment other factors also have to be considered, such as the material characteristics : tendency to stick, abrasiveness, hazard class and others. Hosakawa Alpine has developed the fluidised bed opposed jet mill AFG for ail of these challenges.
The AFG mill has a high turbulence in the mill chamber with no temperature increase, making it the most suitable solution for sticky products. The mill chamber is easily accessible, making it very easy to clean.Note de contenu : - Processing pigments using AFG technology
- Red iron oxide
- Using hot gas
- TABLES : 1. 400 AFG mill : Red iron oxide - 2. 400 AFG mill : Special effect pigmentEn ligne : https://drive.google.com/file/d/1Zz6DIsOWPfSJqhxHF-F3L62dO66Y53MG/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28848
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 207, N° 4633 (08/2017) . - p. 20-21[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 19185 - Périodique Bibliothèque principale Documentaires Disponible Determination of chromium(VI) with bordeaux red by flow injection spectrophotometry in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 92, N° 3 (05-06/2008)
[article]
Titre : Determination of chromium(VI) with bordeaux red by flow injection spectrophotometry Type de document : texte imprimé Année de publication : 2008 Article en page(s) : p. 1 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Analyse quantitative (chimie)
Chimie analytique
Chrome hexavalent
Eaux usées -- Teneur en chrome hexavalent
Oxydation
Rouge (couleur)
SpectrophotométrieIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : A new flow injection spectrophotometric method for determination of chromium(VI) in tannery wastewater is introduced. The proposed method is based on the oxidation of bordeaux red by chromium(VI) in acidic media. The absorbance was registered at 520nm. Under the optimum conditions, the linear range for chromium(VI) was 0.10-10.0mg/L. The detection limit was 0.02mg/L. The relative standard deviation (n = 11) for 2.0 mg/L chromium(VI) was 1.37 %. This method is simple, accurate, sensitive and rapid. The method was applied to the determination of chromium(VI) in tannery wastewater with satisfactory results. Note de contenu : - EXPERIMENTAL PROCEDURE : Chemical reagents
- ANALYTICAL PROCEDURE
- RESULTS AND DISCUSSION : Choice of wavelength - Effect of flow injection variables - Effect of chemical reaction variables - Calibration curve, reproducibility and detection limit - Effects of foreign ions - Analysis of the samples
- Table 1 : Determination of chromium(VI) in tannery wastewaterEn ligne : https://drive.google.com/file/d/1nk1YajZwVWv32Z7fLvpM-ZaRoICa4rQ-/view?usp=share [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38957
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 92, N° 3 (05-06/2008) . - p. 1[article]Dimerised heterobifunctional reactive dyes. Part 1 : characterisation using quadrupole time-of-light mass spectrometry / Nadia Sultana in COLORATION TECHNOLOGY, Vol. 134, N° 6 (12/2018)
PermalinkEco-friendly leather dyeing using ultrasound technique / Mohamed Abu Sayid Mia in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXV, N° 6 (06/2020)
PermalinkEffect of NH4F treatment on the chromaticity of the Ba2+-doped y-Ce2S3 red pigment / Xiu Li in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 17, N° 2 (03/2020)
PermalinkFabric dyeing with colorimetric pH-responsive colours / Roberta Peila in COLORATION TECHNOLOGY, Vol. 137, N° 2 (04/2021)
PermalinkFabrication of fine microcapsulated red phosphorus particles by SCF-RESS with a new structure nozzle / Ya-qing Liu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 5, N° 4 (12/2008)
PermalinkHigh performance reds / Jochen Ahrens in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 195, N° 4490 (07/2005)
PermalinkInfluence of ultrasound on the adsorption, diffusion and kinetics of leather dyeing process : mechanistic insight / Venkatasubramanian Sivakumar in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXV, N° 7 (07/2020)
PermalinkInvestigation into the development of novel lanthanide-based luminescent colorants for application to textiles and paper materials / David M. Lewis in COLORATION TECHNOLOGY, Vol. 139, N° 5 (10/2023)
PermalinkInvestigation of tartaric acid-copper sulphate mixture as a light stabilizer in leather dyeing / N. H. El-Sayed in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 87, N° 4 (07-08/2003)
PermalinkInvestigation of the effect of laser technology on the colouring and patterning possibilities in polyacrylonitrile socks / Riza Atav in COLORATION TECHNOLOGY, Vol. 138, N° 4 (08/2022)
PermalinkLime-free unhairing : Part 5. Some peculiarities of dyeing lime-free leather / A. Zaliauskiene in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 90, N° 2 (03-04/2006)
PermalinkMicrowave and ultrasound assisted reduction of a benzidine based bis azo dyed leather / Farman Ahmed in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 104, N° 6 (11-12/2020)
PermalinkNanomatériaux hybrides valorisant les propriétés des clusters octaédriques de molybdène / Yann Molard in L'ACTUALITE CHIMIQUE, N° 463 (06/2021)
PermalinkNew reds hit the market / Gerd Koenig in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 195, N° 4486 (03/2005)
PermalinkA novel and eco-friendly approach for dyeing polyester / Manman Zheng in COLORATION TECHNOLOGY, Vol. 139, N° 5 (10/2023)
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