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675 : Technologie du cuir et de la fourrure |
Ouvrages de la bibliothèque en indexation 675
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Elaboration of operations by using the balance criterion / M. Bugarski in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 79, N° 2 (03-04/1995)
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Titre : Elaboration of operations by using the balance criterion Type de document : texte imprimé Auteurs : M. Bugarski, Auteur Année de publication : 1995 Article en page(s) : p. 48-50 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The author shows a method of using the balance criterion in elaborating operations by establishing a relationship between the sum of the time needed for motions or actions necessary for the processing of the product, and motions or actions necessary for the preparation and postponement of processing. As this ratio is approximately 1 : 1, it is possible to establish the labour rhythm, normal fatigue of the worker, as well as other criteria for evaluation. Therefore, the balance criterion could be considered as a more suitable and more objective criterion in determining criteria of elaborating operations.
The methodology of elaboration is also presented and the results obtained on two operations, 1.05 : 1 and 0.96 : 1, justify the validity of the use of thic criterion.En ligne : https://drive.google.com/file/d/1I5VgeFCdWHfKtff5UyBi1XEkk8Nf99Co/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8226
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 79, N° 2 (03-04/1995) . - p. 48-50[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 007003 - Périodique Bibliothèque principale Documentaires Disponible Elasticity and setting of stretched leather / Albert M. Manich in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CII, N° 2 (02/2007)
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Titre : Elasticity and setting of stretched leather Type de document : texte imprimé Auteurs : Albert M. Manich, Auteur ; M. de Castellar, Auteur ; B. Gonzà lez, Auteur ; M. Ussman, Auteur ; Agusti Marsal, Auteur Année de publication : 2007 Article en page(s) : p. 43-51 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The effect of stretching treatments on the balance between plasticity and elasticity of leather has been studied. Four different tanned and fatliquored bovine leathers were subjected to stretching treatments completely immersed in water. Variables of stretching were a) water temperatures between 60 and 80ºC, b) stretching ratios between 1.20 and 1.40 and c) stretching time between 10 and 20 min. Thickness and apparent density were measured. Variations in plasticity-elasticity balance induced by the stretching treatments were assessed subjecting the samples at two cycle loading-unloading test measuring the elongation induced by the maximum load in the first cycle, the Immediate Elastic Recovery, Delayed Recovery, Permanent Set and the Bedding-in Work Factor. Stretching favours the bedding-in and setting of the network of collagen fibres, increases the elasticity and decreases the plasticity of leather. When subjected to cyclic loading, straining induces additional bedding-in effect on the network of collagen fibres. Leather straining and their immediate elastic recovery and permanent set mainly depend on the applied load while delayed recovery and bedding-in is more dependent on the leather structure than on the load applied. En ligne : https://drive.google.com/file/d/1BIWCaRhEI8_t7kHW6cSzVbEKZo6J4uFY/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3367
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CII, N° 2 (02/2007) . - p. 43-51[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 006226 - Périodique Bibliothèque principale Documentaires Disponible Electrochemically assisted drum processing in the beamhouse / Shan Zhihua in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 101, N° 1 (01-02/2017)
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Titre : Electrochemically assisted drum processing in the beamhouse Type de document : texte imprimé Auteurs : Shan Zhihua, Auteur ; Zhang Benmi, Auteur ; Hui Chen, Auteur Année de publication : 2017 Article en page(s) : p. 16-20 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuirs et peaux -- Foulonnage
Electrochimie
Electrolyse
Foulons
Oxydation
Travail de rivière (cuir)Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The cleaner production of leather has attracted the world's attention, in that much effort has been made in many aspects such as substitution of chemical materials, recycling of waste water, process or equipment modification etc. in light of the structure and characteristics of the usual suspended drum the electrochemically assisted drum used here was prepared by introducing electrodes on bath sides of the drum. Taking the NaCI from the rawhide as a supporting electrolyte, C10- was used simultaneously as a source of oxidants in the electrochemical treatment. Based on cow hair oxidation experiments the electrochemical parameters were referenced and used for treating the liquid baths in the beamhouse. Comparing the COD, TKN and 52- contents in liquid baths both with and without electrochemical treatment the results show that values for all of the parameters were decreased signilicantly. The water usage and NaCI concentration met the needs of the emission abatement aims. Performed in the same way as common beamhouse processing, this experiment had other cleaner functions low sulphur, reduced lime and hair-saving. The pH, temperature and rotation speed of drum of the floats liquid baths have been examined. Note de contenu : - EQUIPMENT AND MATERIALS : Electrochemical drum construction - Other equipment and materials
- THE PARAMETERS OF COW HAIR ELECTRO-OXIDATION
- APPLICATION METHOD : The technology process - The experiment method
- ANALYSIS OF EXPERIMENTAL RESULTS : Chemical oxygen consumption (COD) - Ammonia nitrogen content (NH2-N) - Sulfide ion content (S2-) - NaCl content - Electrical oxidation degradationEn ligne : https://drive.google.com/file/d/1XoKpr0WnaLgNekYGmglADcrr8X7Cgp71/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27984
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Code-barres Cote Support Localisation Section Disponibilité 18711 - Périodique Bibliothèque principale Documentaires Disponible Electron beam irradiation preservation of cattle hides in a commercial-scale demonstration / David G. Bailey in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCVI, N° 10 (10/2001)
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Titre : Electron beam irradiation preservation of cattle hides in a commercial-scale demonstration Type de document : texte imprimé Auteurs : David G. Bailey, Auteur ; Gary L. DiMaio, Auteur ; Andrew G. Gehring, Auteur ; Graeme D. Ross, Auteur Année de publication : 2001 Article en page(s) : p. 382-392 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : In 1999, the USDA approved the use of electron beam and gamma ray irradiation for the cold pasteurization of red meat including the elimination of E. coli O157-H7 in hamburger. Titan, Incorporated, of San Diego has contracted with a major red meat producer to construct the first electron beam irradiation facility dedicated to this purpose. This opens up the possibility of applying electron beam technology to preserve cattle hides in order to eliminate environmentally hazardous brine curing in these same packing plants. With this in mind, Titan entered into a Memorandum of Understanding with the Agricultural Research Service to conduct an industrial-scale evaluation of the use of electron beam irradiation for cattle hide preservation. We have conducted a one-hundred-and-fifty-hide matched-side experiment to evaluate preservation, leather quality and yield of electron-beam-preserved cattle hides as compared to brine-cured hides. The hides in this study were individually identified immediately after slaughter in Schuyler, NE, trucked to a tannery in St. Joseph, MO, to prepare them for irradiation, trucked to Cranbury, NJ, for irradiation and then returned to St. Joseph to be tanned. A total of three weeks elapsed between hide removal and tanning. After storage at room temperature, all of the hides appeared to be as fresh and clean as they were just after flaying. Weight, area and visual quality were measured at various stages throughout the process. With the exception of draw, which was considerably better on the irradiated sides compared to the brine sides, all of the parameters measured were equivalent for both preservation treatments. An analysis of the results obtained will be presented along with the potential impact of cattle hide irradiation on the tanning and packing industries. En ligne : https://drive.google.com/file/d/1djIQkTZvlO7uOhm9HLdIHqmGFFScmUsA/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4360
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. XCVI, N° 10 (10/2001) . - p. 382-392[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 001567 - Périodique Bibliothèque principale Documentaires Disponible Electron microscope studies of leather-polymer systems / John R. Barlow in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 57 (Année 1973)
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Titre : Electron microscope studies of leather-polymer systems Type de document : texte imprimé Auteurs : John R. Barlow, Auteur ; R. Reed, Auteur Année de publication : 1973 Article en page(s) : p. 130-136 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuirs et peaux -- Analyse
Cuirs et peaux -- Finition
Dispersions et suspensions
Emulsifiants
Emulsions
Latex
Microscopie électronique en transmission
pH
Polyacryliques
Polymères en émulsion
Polymérisation en émulsion
Tannage au chromeIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Polymeric materials may be applied to the surface of leather, as so-called finishes, to improve the appearance and performance characteristics of the substrate. The polymers used may be natural or synthetic in origin and are applied as solutions in organic solvents or as water-based emulsions. The latter systems are usually formed from acrylic polymers and are produced as spherical particles, dispersed in an aqueous phase, by the technique of emulsion polymerisation.
Transmission electron miroscopy has been used extensively to study the fine structure of leather and to characterise emulsion commonly used in leather finishing. However, with the exception of a single micrograph shown by Kanagy, studies of combined leather-polymer systems have not been carried out using this technique.
This article indicates a method of preparing leather-polymer systems for study in the electron microscope, giving information on the forces of interaction operative between the species present.Note de contenu : Methods : Variation of time of contact between leather fibres and polymer particles - Variation of emulsion type and pH of leather-latex systems
- RESULTS : Variation of time of contact between leather fibres and polymer dispersions - Variation of emulsifier type and pH value of th eleather/latex system
- Fig. 1 : Full-chrome leather fibres plus latex 1. Time of contact in (a) less than 5 sec ; (b) 5 min ; (c) 20 min ; d) complete drying
- Fig. 2 : a) Full chrome leather fibres plus latex 2, complete drying. (b) As (a) but latex 3,5 min drying. IP = individual particle. (c) As (b) but complete drying
- Fig. 3 : Full-chrome leather fibres plus latex 1, with variation of the pH of the dispersion media. Time of contact = 1 min (a) pH 3.0 ; (b) pH 4.5 ; (c) pH 8.0
- Fig. 4 : Full-chrome leather fibres plus commercial anionic latex, with variation of the pH of the dispersion media. Time of contact = 1 min. (a) pH 3.0, lower magnification (scale mark = 2 microns) ; (b) pH 4.5 ; (c) pH 8.0 ; (d) pH 8.0, lower magnificatio (scale mark = 2 microns)
- Fig. 5 : Full-chrome leather fibres plus commercial non-ionic latex, with variation of the pH of the dispersion media. Time of contact = 1 min. (a) pH 3.0 ; (b) pH 4.5 ; (c) pH 8.0
- Table 1 : Properties of the test latices
- Table 2 : Commercial emulsions
- Table 3 : Surface charges on leather fibres and particles of test laticesEn ligne : https://drive.google.com/file/d/1pqlM68oQTC4vttXNpQTexjHKo9lXB1eV/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31691
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 57 (Année 1973) . - p. 130-136[article]Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 008593 - Périodique Archives Documentaires Exclu du prêt Electron microscope study of leather I. effect of fixing and staining on the band pattern of collagen fibrils / Kohkichi Uehara in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXIX (Année 1984)
PermalinkElectron microscopy in leather research / V. Mohanaradhakrishnan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 54, N° 6 (06/1970)
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PermalinkPermalinkElimination of antibiotic resistant enterobacteriaceae via combined application of direct electric current, alternating electric current and 2-thiocyanomethylthio benzothiazole / Meral Birbir in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 103, N° 2 (03-04/2019)
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PermalinkElimination of chromium oxidation for effective chromic oxide detections / M. Hooks in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CX, N° 12 (12/2015)
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PermalinkElimination of hexavalent chromium in leather using reducing agents / Chandra Babu Narasimhan Kannan in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. C, N° 9 (09/2005)
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PermalinkElimination of salt pollution : Coupling of cooling of hides and wet white technology / Bernard Vulliermet in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 72 (Année 1988)
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PermalinkElise Blouet redonne vie au mythique cuir de Russie / Garance André in LEATHER FASHION DESIGN (LFD), N° 1 (02/2019)
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PermalinkElucidation of probable mechanism for biocidal resistance in skin-borne Bacillus Subtilis / S. Kavitha in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CIX, N° 12 (12/2014)
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PermalinkPermalinkEmission from automotive leather - state of the art and a critical foresight / Michael Breitsamer in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCIX, N° 10 (10/2004)
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PermalinkPermalinkEmulsion based polymer/clay nanocomposites / Onur Yilmaz / Saarbrücken [Germany] : Lambert Academic Publishing (2012)
PermalinkEmulsion polymers in leather finishing / Mortimer Greif in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXII (Année 1977)
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PermalinkEndoparasitic phase of demodex bovis in cattle, I / R. A. Venkatesan in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXIII (Année 1988)
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