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675 : Technologie du cuir et de la fourrure |
Ouvrages de la bibliothèque en indexation 675
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Changements apparaissant dans la flore des micro-organismes et dans la substance dermique de la peau de veau lors du développement de sa putréfaction / Keizo Wada in REVUE TECHNIQUE DES INDUSTRIES DU CUIR, Vol. LXVI (Année 1974)
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Titre : Changements apparaissant dans la flore des micro-organismes et dans la substance dermique de la peau de veau lors du développement de sa putréfaction Type de document : texte imprimé Auteurs : Keizo Wada, Auteur ; Kohkichi Uehara, Auteur ; Akira Kawamura, Auteur Année de publication : 1974 Article en page(s) : p. 370-373 Note générale : Bibliogr. Langues : Français (fre) Catégories : Bactéries -- Comptage
Cuirs et peaux
Cuirs et peaux de veaux
Numération
Substance dermique (cuir) -- AnalyseIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : On n'ignore pas que la fraîcheur de la peau brute affecte, dans une forte mesure, la qualité du cuir. L'étude présentée ici a été entreprise dans le but d'examiner les microflores, en relation avec la dégradation de la substance dermique, lors de la putréfaction des peaux de veaux, et le degré de dégradation a été évalué par l'extractabilité de la substance dermique au Ca 012 2M, ainsi que par chromatographie sur gel des extraits. Note de contenu : - PARTIE EXPERIMENTAL ET DISCUSSION : 1re expérience : Préparation et genre d'échantillons - Numérations bactériennes et observation de la flore bactérienne / 2e expérience : Changements dans l'extractabilité au sel en fonction de la diminution de fraîcheur
- Fig. 1 : Changements dans la flore bactérienne sur les peaux N° 1, 2, 3, 4 et 5
- Fig. 3 : Chromatographie sur gel. Séphadex D-200 de collagène de peau de veau extrait par CaCl2 2M
- Fig. 4 : Chromatographie sur gel. Sépharose 48, de collagène de peau de veau extrait par CaCl2 2M
- Fig. 5 : Changements dans la quantité d'azote extrait au moyen de CaCl2 2M sur la peau abandonnée à la putréfaction à 30°CEn ligne : https://drive.google.com/file/d/1kxIfqjVcEhQisI3HGD8qMC6lJalV0NRq/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36257
in REVUE TECHNIQUE DES INDUSTRIES DU CUIR > Vol. LXVI (Année 1974) . - p. 370-373[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 008573 - Monographie Bibliothèque principale Documentaires Disponible Changes in hydrothermal stability of collagen with several catechin-metal compounds : A DSC study / Chen Hui in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 92, N° 3 (05-06/2008)
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Titre : Changes in hydrothermal stability of collagen with several catechin-metal compounds : A DSC study Type de document : texte imprimé Auteurs : Chen Hui, Auteur ; Shan Zhi-Hua, Auteur Année de publication : 2008 Article en page(s) : p. 93-95 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Analyse thermique
CatéchineLa catéchine est une molécule de la famille des flavonoïdes de la sous-classe des flavanols. Elle est aussi connue sous le nom de catéchol, avec le risque de confusion avec le pyrocatéchol parfois dénommé lui aussi catéchol. L’usage dans la communauté scientifique a fini par imposer le terme de catéchine, dérivé du terme anglais catechin.
Initialement découverte dans les fruits de l'acacia à cachou (Acacia catechu) duquel elle dérive son nom, la catéchine et ses nombreux isomères sont de puissants antioxydants qui aident à prévenir les maladies inflammatoires et coronariennes.
Le terme de catéchine est aussi parfois utilisé pour désigner la classe des flavanols (flavan-3-ols, flavan-3,4-ols et leurs esters galliques). Pour éviter la confusion entre la classe et le composé, ce dernier est désigné dans ce contexte par (+/-)-catéchine.
Collagène
Ions métalliques
Stabilité hydrothermaleIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Differential scanning calorimetry (DSC) is a very useful tool to research the hydrothermal stability of collagen which has also been defined in the leather industry as denaturation temperature (Td). It has been widely used to describe the tanning power of materials, according to changes of Td. In this paper, changes in hydrothermal stability of collagen with several catechin-metal compounds were described using DSC curves. The Td results lead us to conclude that the hydrothermal stability of collagen can be improved by compounds formed with catechin and metal ions (Cr(III), Al(III) and Cu(II)).The more stable the compound, the higher the Td of collagen tanned with the compound ie.the stronger the tanning power of the compound and the higher the hydrothermal stability of collagen. En ligne : https://drive.google.com/file/d/1Tcwx3w0sW7caBzzr2bgT6rrxXAgeVG6N/view?usp=share [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38952
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 92, N° 3 (05-06/2008) . - p. 93-95[article]Changes in the molecular composition of gelatine due to the manufacturing process and animan age, as shown by electrophoresis / C. G. B. Cole in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 80, N° 5 (09-10/1996)
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Titre : Changes in the molecular composition of gelatine due to the manufacturing process and animan age, as shown by electrophoresis Type de document : texte imprimé Auteurs : C. G. B. Cole, Auteur ; J. J. Roberts, Auteur Année de publication : 1996 Article en page(s) : p. 136-141 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Type A gelatine was made from the skin of less than 6-month-old calves by an acid process. Type B gelatine was made from a 10-month-old calf skin as well as from the hides of mature bovines of 58 and 144 months of age, by an alkaline proces. On electrophoretic separation the type 1 calf skin gelatin closely resembled pigskin gelatin with a large number of bands below 100kD while type B calfskin gelatine contained unsuallylarge amounts of intact collagen alpha- and beta- and gamma-chains. From the older animals, the best (first extraction) type B gelatines contained large amounts of intact collagen chains the amounts of which appeared to decrease sowewhat with increasing animal age.
Type B gelatines were also observed to contain a peptide with a molecular mass of 82 kD. The quantity of intact collagen chains in type B gelatine decreased markedly at higher extraction temperatures. Gelatine colour was observed to become darker with animal age, however there was no strict relationship between gelatine colour and molecular composition. The implications of these observations on the molecular mechanisms of collagen conversion and gelatine colour are discussed.En ligne : https://drive.google.com/file/d/1sWw9-QhLx_O6xN4px9iMm_9_CmIPMSBq/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8095
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 80, N° 5 (09-10/1996) . - p. 136-141[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 007012 - Périodique Bibliothèque principale Documentaires Disponible Changes to bovine hides during leather processing / L. J. Stephens in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 77, N° 3 (05-06/1993)
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Titre : Changes to bovine hides during leather processing Type de document : texte imprimé Auteurs : L. J. Stephens, Auteur ; J. A. Werkmeister, Auteur ; John A. M. Ramshaw, Auteur Année de publication : 1993 Article en page(s) : p. 71-74 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Immunohistology has enabled the identification and localisation of individual connective tissue components in bovine hides. This approach allows examination of components which may not be readily studied by chemical analysis because they are present in only small amounts, for example type VII collagen. The changes in these components during the initial stages (liming, bating and pickling) of hide processing into leather have been followed, particularly in the grain enamel (surface). The data showed no clear changes to major structural components of the hide, for example types I, III and VI collagens. Type VII collagen remained in the grain layer, where it may still be anchoring residual components of the basement membrane, after liming, bating and pickling steps. The use of bating during processing may change the coposition of the grain enamel by causing more effective removal of certain components such as laminin. However, use of a processing strategy known to cause grain damage, led to complete loss of reactivity to type IV and type VII collagens and laminin. These date support the role of components of the basal lamina in providing the final surface of leather. En ligne : https://drive.google.com/file/d/1zDmLLv-yfCgsW8P7OEtgICQMAgLd--8M/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8497
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 77, N° 3 (05-06/1993) . - p. 71-74[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 006992 - Périodique Bibliothèque principale Documentaires Disponible Changes to surface flaws on deer hides during processing to garment leather / S. E. Gore in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 86, N° 5 (09-10/2002)
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Titre : Changes to surface flaws on deer hides during processing to garment leather Type de document : texte imprimé Auteurs : S. E. Gore, Auteur ; R. M. Laing, Auteur ; S. Lange, Auteur ; D. R. Scobie, Auteur ; S. R. Young, Auteur Année de publication : 2002 Article en page(s) : p. 183-187 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuirs et peaux -- Défauts
Cuirs et peaux de cerfs
Surfaces -- défautsIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : The objective of this work was to describe surface flaws and defects visible at each of three stages of processing deer hides to garment leather (fellmongered, wet blue, and finished leather). Hides (n=60) from deer of known origin were examined visually at three stages of production. Visible surface faults were identified and recorded at each of the three stages. Some flaw (a bruise, scar, grain de-lamination, hole) was apparent on almost every hide (95.0% - 100.0% depending on the stage of processing), and with ‘new’ flaws becoming apparent with processing.
The most common type of flaw visible in finished leather was the scratch, with many scratches evident at each processing stage. Reducing the incidence of scratches would improve the appearance of the leather.Note de contenu : - METHODS : Deer hides - Recording of flaws
- RESULTS AND DISCUSSION : Number of flawed hides (and changes with processing), and flaw location - Types, size, shape of flaws, and changes with processing
- Table 1 : Site on hides at which flaws were evident, and incidence of flaws of three processing stages
- Table 2 : Incidence of flaw types at each of three processing stages
- Table 3 : Size and shape of flaws at various stages of processing (number of observations)En ligne : https://drive.google.com/file/d/1BjQIzqVBtACkjSkPSxHtlJbCjQcEOReA/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39857
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 86, N° 5 (09-10/2002) . - p. 183-187[article]Changes to the collagen structure using vibrational spectroscopy and chemometrics : a comparison between chemical and sulfide-free leather process / Megha Mehta in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXVI, N° 11 (11/2021)
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PermalinkCharacterisation of peroxide value in natural oils and fats by Fourier Transform Spectroscopy / Zhou Hualong in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 86, N° 4 (07-08/2002)
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PermalinkCharacteristics of lightweight grain leather with improved foamability and properties using wet-foaming technology / Eun Chul Shin in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 107, N° 3 (05-06/2023)
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PermalinkCharacteristics of natural biopolymers and their derivative as sorbents for chromium adsorption : a review / Ruoshi Zhang in JOURNAL OF LEATHER SCIENCE AND ENGINEERING, Vol. 2 (Année 2020)
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PermalinkCharacterization and application of low surface energy fluorinated polymer in leather finishing / Yang Qinhuan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 94, N° 3 (05-06/2010)
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PermalinkCharacterization and control of antibiotic-resistant calmati saltern's isolates with bacteriocins / Pinar Caglayan in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXVII, N° 8 (08/2022)
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PermalinkCharacterization and evaluation of four types of finish topcoats / Anna Bacardit in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 93, N° 4 (07-08/2009)
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PermalinkCharacterization and evaluation of fungal enzymatic pool with unhairing activity / B. C. Galarza in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 100, N° 5 (09-10/2016)
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PermalinkCharacterization and thermal properties of polygenipin-crosslinked hide powders / Jie Liu in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXIII, N° 4 (04/2018)
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PermalinkCharacterization of biopolymers prepared from gelatin and sodium caseinate for potential use in leather processing / Maryann M. Taylor in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. C, N° 4 (04/2005)
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PermalinkCharacterization of commercially available leathers using thermogravimetric analysis and Py/GC-MS system / A. Marcilla in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVII, N° 7 (07/2012)
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PermalinkCharacterization of gelatin and casein films modified by microbial transglutaminase and the application as coating agents in leather finishing / Long Liu in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVII, N° 1 (01/2012)
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PermalinkCharacterization of goat leather structure using a metallographic technique / Huayong Zhang in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 99, N° 1 (01-02/2015)
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PermalinkCharacterization of halotolerant bacillus species isolated from salt samples collected from leather factories in Turkey / E. Yilmaz in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXIV, N° 4 (04/2019)
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PermalinkCharacterization of leather finishing by IR spectroscopy and canonical variate analysis / R. Cantero in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 93, N° 1 (01-02/2009)
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PermalinkCharacterization of leather structure via metallographic sample preparation / Huayong Zhang in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CIX, N° 1 (01/2014)
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PermalinkCharacterization of low-molecular weight collagen hydrolysates prepared by combination of enzymatic and acid hydrolysis / Vera Kasparkova in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CIV, N° 2 (02/2009)
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PermalinkCharacterization of mechanical properties of leather with airborne ultrasonics / Cheng-Kung Liu in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CX, N° 3 (03/2015)
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PermalinkCharacterization of moderately halophilic bacteria from salt-pack-cured hides / Pinar Caglayan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 99, N° 5 (09-10/2015)
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PermalinkCharacterization of new zealand fellmongery wastes and their treatment by manganese-catalyzed oxidation / Robin N. Cooper in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XXVII (Année 1982)
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