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675 : Technologie du cuir et de la fourrure |
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Improving the fastness properties of thermochromic leathers : the effects of UV absorbent and cross-linkers / Arife Candas Adigüzel Zengin in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 101, N° 5 (09-10/2017)
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Titre : Improving the fastness properties of thermochromic leathers : the effects of UV absorbent and cross-linkers Type de document : texte imprimé Auteurs : Arife Candas Adigüzel Zengin, Auteur ; Eylul Kucukakin, Auteur ; Behzat Oral Bitlisli, Auteur Année de publication : 2017 Article en page(s) : p. 242-249 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Absorbants et adsorbants
Absorbeurs de rayonnement ultraviolet
Additifs
Colorimétrie
Photostabilité
Pigments à effets spéciaux
Résistance à l'abrasion
Réticulants
ThermochromieIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : The emerging new applications of thermochromic pigments in leather industry could give a promising opportunity to create innovative designs of smart thermochromie leathers and these leathers are well known with their colour changing effect depending on thermal activation temperature of the thermochromic pigments. A long product his also needed for thermochromic leathers due to the demand for additive use which will enhance the fastness properties of the microencapsulated thermochromic pigments. This study aimed at increasing the light and rubbing fastness values of the leathers that change colour with temperature. Touch (magenta ; 31°C) and cold (blue; 15°C) activated two thermochromic pigments were used in order to provide the colour change of the finished leathers, UV absorbent and Cross-linking chemical additives were used along. with thermochromic pigments in the finishing procedure to increase the fastness properties of the leathers. Colour change features, rubbing and light fastness properties of thermochromic leathers were analyged by a spectrophotometric method in addition to ISO standards of related fastness properties. The use of a UV absorbent in the finishing procedure lead to an increase in the light fastness values of touch and. cold activated therrnochromic leathers. Likewise it was revealed that the use of cross-linker in the top coat of finishing process.improved the rubbing fastness properties of thermochromic leathers. Note de contenu : - Colour measurements of thermochromic leathers
- Fastness properties of thermochromic leathersEn ligne : https://drive.google.com/file/d/1ZrhUEu363ZeuXd_JhEoD124dYFZdDsOG/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29239
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 101, N° 5 (09-10/2017) . - p. 242-249[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 19275 - Périodique Bibliothèque principale Documentaires Disponible Improving the odour of automotive leather / Lukas Wohlmuth in INTERNATIONAL LEATHER MAKER (ILM), N° 47 (05-06/2021)
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Titre : Improving the odour of automotive leather Type de document : texte imprimé Auteurs : Lukas Wohlmuth, Auteur ; Andy Schweizer, Auteur ; Siegfried Nagel, Auteur Année de publication : 2021 Article en page(s) : p. 24-26 Langues : Anglais (eng) Catégories : Absorption
Air intérieur
Air intérieur -- Analyse
Cuir -- Odeurs
Cuir dans les automobiles
Odeurs -- AbsorptionIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : The authors examine how vehicle interior air quality (VIASQ) can be refined by balancing leather odour intensity through innovative absorber technology. Note de contenu : - The status quo of odour absorbers
- Tailoring odour absorber technology
- Application of odour absorbers in fatliquoring and finishing
- Fig. 1 : Types and grades of odour
- Fig. 2 : Structure of Zn-acylaminoacid
- Fig. 3 : Reduction of skatole intensity by Zn-oleolsarcosinate (blue = 1:5 molar volume, red 1:20 molar volumeEn ligne : https://drive.google.com/file/d/1uELSvQR4JLOq3Y8IhLMeAGjccSzPnufz/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36410
in INTERNATIONAL LEATHER MAKER (ILM) > N° 47 (05-06/2021) . - p. 24-26[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 23010 - Périodique Bibliothèque principale Documentaires Disponible Improving the performance of aqueous topcoats - Technical note / Christopher J. Gill in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXVIII, N° 6 (06/1993)
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Titre : Improving the performance of aqueous topcoats - Technical note Type de document : texte imprimé Auteurs : Christopher J. Gill, Auteur Année de publication : 1993 Article en page(s) : p. 197-206 Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Achieving maximum performance with an aqueous topcoat is the goal of both the chemical supplier and the industrial finisher.Interestingly, each can play a critical role in the success or failure of a topcoat.This is because there are two key elements that directly affect performance: one is the topcoat design and the other is the topcoat application.The topcoat design is typically the responsability of the chemical manufacturer.The industrial finisher entrusts the supplier to carefully design the topcoat.Components of an aqueous topcoat that require optimization are: all aspects of the polymer(s), the coalescent package and the flow package.The chemical supplier, on the other hand, entrusts the finisher to optimize the topcoat application parameters such as: basecoat performance, topcoat film thickness,formulated topcoat co-binders,plating,drying time before testing,temperature of drying and use of crosslinkers. It is the study of these application parameters that may be of most interest to the industrial finisher yet possibly the least quantified by the supplier.In this paper, we explore the effect of each of these application parameters as it applies to one key variable-wet rub resistance.Wet rub is a highly sought after property and is appropriate for study because it is one that has been affected by the industry's switch from solvent to water systems. En ligne : https://drive.google.com/file/d/1JtAElCxh4LHGFv99j5Ds5SCegy-0P9A9/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8219
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. LXXXVIII, N° 6 (06/1993) . - p. 197-206[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 006907 - Périodique Bibliothèque principale Documentaires Disponible In defence of chrome tannage / R. Grant Darrie in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 75 (Année 1991)
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Titre : In defence of chrome tannage Type de document : texte imprimé Auteurs : R. Grant Darrie, Auteur Année de publication : 1991 Article en page(s) : p. 140-144 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Tanneries of the future will not only make products of the highest quality to meet customer expectations but operate also to the highest standards of environmental management of lquid and solid wastes.
Chrome tanned products command around 90 % of the market based on a strong quality and economics lead over alternatives.
The most effect defence strategy is to take significant initiative by addressing and resolving the areas of relative or potential weakness rather than indulging in any preoccupation over weakness of competitors.
As environmental regulatory standards tighten, the problem of addressing liquid and solid waste issues is not peculiar to chrome tanning operations except that higher standards of treatment and some potential relative limitations may apply to chrome based activities.
Liquid waste minimisation is an essential precursor to treatment using conventional technology and equipment to yield a final effluent discharge of acceptable quality together with a chromium concentrate suitable for processing and recycle.
Potential solutions to solid waste disposal problems are available via participation of a primary chromium chemicals producer or by a recently published enzymatic process which can also produce a chromium stream suitable for recycle within the tanning process.
Chrome - Strength and weaknesses : Relative weaknesses of chrome tanning - Raw material utilisation - Wastes - Liquid waste / Incineration / Enzymatic treatment.Note de contenu : - CHROME - STRENGTHS AND WEAKNESSES : Alternatives to chrome tanning - Relative weaknesses of chrome tanning - Raw material utilisation - Wastes - Liquid waste - Solid Waste
- INCINERATION
- ENZYMATIC TREATMENTEn ligne : https://drive.google.com/file/d/1ztYt8P-aL6eHhGtrTGIwsjt0dyDjHu62/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8689
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Code-barres Cote Support Localisation Section Disponibilité 007138 - Périodique Bibliothèque principale Documentaires Disponible In-depth understanding of the leather fatliquoring process : A review / M. A. Habib in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 106, N° 1 (01-02/2022)
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Titre : In-depth understanding of the leather fatliquoring process : A review Type de document : texte imprimé Auteurs : M. A. Habib, Auteur Année de publication : 2022 Article en page(s) : p. 13-19 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Collagène -- Structure
Emulsification
Emulsions
Huiles et graisses
Produits de nourriture du cuirIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Tanning involves economic and environmental benefits, it transfers low-value by-products (animal hide and skin) into value-added products (natural leather). Introducing fatty matter into the inter-spaces of tanned leather (stiff and unusable) — fatliquoring, restores the fat removed in tanning and restores flexibility to the leather. This article provides an in-depth understanding of the process. Previous chemical treatment and building of a fatliquor emulsion are the watershed points in the process and the main factor affecting the efficiency of the process is the arriva) of the fatty substance to the collagen fibrils which are thus coated with a thin layer of fats that promote sliding of fibrils and prevent adhesion. Successful fatliquoring is achieved through using an emulsion of specific particle size to enable the oil droplets to penetrate the leather reaching to fibril level. Note de contenu : - Collagen protein structure
- Fibril bundles and fatliquor mechanism
- Emulsifying of fatty matter and emulsion efficiency
- Types of fatliquor emulsion
- Modified natural oil and fat used in fatliquoringEn ligne : https://drive.google.com/file/d/1D3rKpsxbZyVW-TQFEarRV5giierkoamK/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36968
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 106, N° 1 (01-02/2022) . - p. 13-19[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 23210 - Périodique Bibliothèque principale Documentaires Disponible PermalinkIn search of a sampling mode for dependable lastometer values of crust/finished goat skins / S. Chakraborti in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCIV, N° 8 (10/1999)
PermalinkIn situ spectroscopic study on the effect of UV radiation on stabilized collagen fibre : role of plant tannin / Liang Zhongyin in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 96, N° 5 (09-10/2012)
Permalink"L'incidence du refendage en tripe sur les processus de fabrication" / P. Buisson in TECHNICUIR, (Années 1969-1970)
PermalinkPermalinkIndigenous Arctic fish skin / Elisa Palomino in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 105, N° 2 (03-04/2021)
PermalinkINDUSTRIE DU CUIR (IDC) / Paris [France] : Infocuir
PermalinkPermalinkL'industrie française de la filière cuir en 2015 / Conseil National du Cuir in CTC ENTREPRISES, (11/2016)
PermalinkPermalinkPermalinkPermalinkPermalinkPermalinkPermalinkPermalinkPermalinkPermalinkInfluence des caractères, du mode et de la durée de conservation de la peau brute sur sa dégradation par la pronase / A. Magat in TECHNICUIR, N° 7 (08-09/1973)
PermalinkInfluence des défauts et des critères de sélection sur la valeur des peaux d'ovins / M. Laidet in TECHNICUIR, N° 4 (04/1976)
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