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675 : Technologie du cuir et de la fourrure |
Ouvrages de la bibliothèque en indexation 675
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A novel study on using pufferfish skin as sustainable leather : characterisation, thermal behaviour and sound absorption properties / Muhammet Uzun in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 106, N° 4 (07-08/2022)
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Titre : A novel study on using pufferfish skin as sustainable leather : characterisation, thermal behaviour and sound absorption properties Type de document : texte imprimé Auteurs : Muhammet Uzun, Auteur ; Naz Kadinkiz, Auteur Année de publication : 2022 Article en page(s) : p. 171-181 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Caractérisation
Cuirs et peaux -- Epaisseur
Cuirs et peaux -- Propriétés mécaniques
Cuirs et peaux -- Propriétés thermiques
Cuirs et peaux de Poissons
Cuirs exotiques
Essais dynamiques
Matériaux -- Propriétés acoustiques
Poids
Poissons globes
Solidité de la couleur
Température -- ContrôleIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Humanity's damaging impact on nature is worse than ever and this needs to be recovered from being a disruptive event with sustainable solutions. With scientific knowledge and effort, ecological resilience must be rebuilt. This study is mainly aimed at developing a novel approach to help in both solving the ecosystem problem and providing sustainable raw materials. As is well-described in the literature, the pufferfish (balloon fish) is the one of the most dangerous predators in Earth's ecosystem. Pufferfish are very harmful to human health as well as damaging fishing equipment and other fish species. It causes serious damage to both ecology and the economy. One scientific way of solving such problems is to keep the population of the invasive species under control. It is therefore suggested that we should make the fishing of pufferfish attractive, which means the population of this species cannot grow out of proportion. There are recent researches on the use of pufferfish venom and poison in the pharmaceutical industry. ln this research paper, we aim to add economic value to the wasted pufferfish skin with a novel tanning method. Converting this natural predator fish into a value-added resource will increase its attraction to fishermen, which will thus act as an ecological control system. The effect of different tanning systems on pufferfish skin and the development of sustainable pufferfish leathers (PFL) are investigated. With the identification of their physical properties, the skin structures were subjected to various tests such as mechanical, thermal and sound absorption properties. The developed PFL leathers were also compared with a well-known exotic leather, ostrich and the most-used type of traditional lambskin leather. Note de contenu : - MATERIALS AND METHODS : Comparative properties of pufferfish leathers with exotic skins
- RESULTS AND DISCUSSIONS : Thickness of the leathers - Tensile properties of leathers - Tear strength - Martindale abrasion test results - Colour fastness - Evaluation of thermoregulatory properties - Sound absorption test
- Table 1 : Thickness and weight of leathers
- Table 2 : Breaking strength values of natural and chrome-tanned PLA
- Table 3 : Tearing strength of different leathers
- Table 4 : Fading and staining values for colourfastness test results of samples to waterEn ligne : https://drive.google.com/file/d/1q1Q8tGeH-OrCMeXiOCixAsxvj33p5d2c/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37882
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 106, N° 4 (07-08/2022) . - p. 171-181[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 23539 - Périodique Bibliothèque principale Documentaires Disponible A novel synthesized melamine compound for leather making / Wang Yu-Zeng in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 101, N° 1 (01-02/2017)
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Titre : A novel synthesized melamine compound for leather making Type de document : texte imprimé Auteurs : Wang Yu-Zeng, Auteur ; Li Jian-Bo, Auteur ; Shan Zhi-Hua, Auteur Année de publication : 2017 Article en page(s) : p. 38-42 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Agents de tannage
Chrome
Composés organiques -- Synthèse
Essais dynamiques
Etudes comparatives
Glutaraldéhyde
Mélamine-éthanolamine
Mimosa et constituants
Résistance à la déchirure
Retannage
Structure moléculaireIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : A new melamine compound, MAE (melamine-ethanotamine) was prepared from melamine, formaldehyde and diethanolamine. MAE's molecular weight, molecular structure and some other properties including stabilities in solution and functions in leather making were researched. MAE has a star pattern structure and has good stability in water solution but is sensitive to glutaraldehyde and gelatin solution at the high pH value. The research results indicate that MAE has a tanning effect, Ts 78.2°C. Tear strength, thickening rate and SEM images indicate that MAE is a good retanning agent of chrome leather. The synergistic effect of combination tanning of MAE with mimosa extract or glutaraldehyde gave Ts up to 97.5°C or 92.7°C. The Ts of leather tanned or retanned by MAE reduced less after fatliquoring, indicating that MAE can well stabilize leather network structure. Note de contenu : - MATERIALS AND METHODS : Materials - Synthesis of MAE - Characteristics of MAE - MAE solution stability
- APPLICATION OF MAE : Using as a tanning agent - Retanning of MAE-tanned samples - Retannages comparisonEn ligne : https://drive.google.com/file/d/1Wzny9N-TRLql2RoC8OivvJqNE1UbOGBa/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27996
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 101, N° 1 (01-02/2017) . - p. 38-42[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 18711 - Périodique Bibliothèque principale Documentaires Disponible A novel system of removing décorin, a minor proteoglycan of bovine hides, to improve the quality of leather / Mila Aldema-Ramos in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CV, N° 7 (07/2010)
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Titre : A novel system of removing décorin, a minor proteoglycan of bovine hides, to improve the quality of leather Type de document : texte imprimé Auteurs : Mila Aldema-Ramos, Auteur ; Cheng-Kung Liu, Auteur Année de publication : 2010 Article en page(s) : p. 222-228 Note générale : Bibliogr. Langues : Américain (ame) Tags : Décorine Protéoglycane 'Enzymes protéolytiques' 'Dépilage oxydant' 'Hydroxyde de sodium' Percarbonate Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Décorin is a minor proteoglycan (part protein and part carbohydrate) of the skin that is among the key components that undergo changes and removal during conversion of hides to leather. The majority of décorin removal takes place during the dehairing of hides, either traditionally with sodium sulfide or by an alternative oxidative dehairing procedure. The oxidative dehairing method using sodium hydroxide and percarbonate, developed by Marmer and Dudley, was utilized. Further removal of décorin by exposure to proteolytic enzymes during pretanning was explored to study the effects on the quality of leather. Additional removal of décorin was observed when an alkaline protease was added during the reliming stage and pepsin was added during the pickling stage in the pretanning treatments of the hides. More pronounced improvement in leather quality, due to more decorin removed, was observed in oxidatively dehaired hides than those dehaired traditionally with sulfides. As the décorin content decreased, the leather product became softer, more stretchable, and tougher than the control leather tanned without adding proteolytic enzymes. Employing the alternative oxidative dehairing process can solve the problem of sulfide toxicity to the environment while at the same time improving the quality of leather if co-treated with proteolytic enzymes. En ligne : https://drive.google.com/file/d/14VZuMQ8i3iqZCzOoCDlZAS4yC_aiNJQp/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9721
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CV, N° 7 (07/2010) . - p. 222-228[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 012329 - Périodique Bibliothèque principale Documentaires Disponible A novel technique for getting leather section image based on metallographic sample preparation / Huayong Zhang in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVIII, N° 5 (05/2013)
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Titre : A novel technique for getting leather section image based on metallographic sample preparation Type de document : texte imprimé Auteurs : Huayong Zhang, Auteur ; Yongmei Xia, Auteur ; Jinyong Cheng, Auteur ; Lei Shi, Auteur ; Tianduo Li, Auteur Année de publication : 2013 Article en page(s) : p. 166-170 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Chrome
Cuirs et peaux -- Analyse
Echantillonnage
Epoxydes
Fragmentation
MétallographieLa métallographie est la technique consistant à déterminer la structure d'un métal en l'observant avec un microscope optique. On peut déterminer ainsi, selon les cas : la taille et la forme des cristallites (ou grains) ; la répartition des phases ; la direction des lignes de glissement (intersection des plans de glissement avec la surface), dans le cas d'un échantillon déformé (voir les articles sur la déformation plastique et la dislocation). L'observation simple d'un objet métallique ne donne pas de renseignement particulier hormis l'état de surface (aspérités, fissures).
Microscopie
Microstructures -- Analyse
PolissageIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : In this paper, the procedure of improved metallographic sample preparation used to reveal the true structure of the chrome tanned crust leather was described for the first time. E-51 epoxy resin was selected as leather embedding medium. The surface of the prepared samples was examined on an optical Microscope (Olympus BX51) using light reflection model, and the micrographs illustrating the shape and the directions of fiber bundles were obtained. This novel technique offers significant advantages over conventional one. Note de contenu : - STARTING MATERIALS
- SPECIMEN PREPARATION : Mold preparation - Embedding - Mounting - Coarse grinding - Fine grinding - Polishing
- MICROSCOPIC EXAMINATIONEn ligne : https://drive.google.com/file/d/1p3LwcuAQJzpg2j2HfjLqCn0sgPG7tnJm/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18544
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CVIII, N° 5 (05/2013) . - p. 166-170[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 15060 - Périodique Bibliothèque principale Documentaires Disponible Novel water-based urethanes in leather finishing / Jon W. Bouchard in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXI (Année 1986)
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Titre : Novel water-based urethanes in leather finishing Type de document : texte imprimé Auteurs : Jon W. Bouchard, Auteur Année de publication : 1986 Article en page(s) : p. 191 - 196 Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The first urethane resins or aqueous emulsions were prepared using relatively conventional emulsification techniques. Solvent-containing prepolymers (having free isocyanate groups) or fully reacted polymers were emulsified using proprietary surfactants. In this process, mechanical equipment that would provide the necessary shear to prepare a fine particle size system was necessary.
The later types of urethane emulsions are solvent free. By incorporating emulsifying groups into the prepolymer backbone, it is possible to prepare emulsions using conventional mixing equipment.
The chemistry of these products is reviewed. Their properties compared to conventional finishing systems for basecoats and topcoats are described.En ligne : https://drive.google.com/file/d/119S5vUo72rNnwJWd41WkYyd4SPgEPvgc/view?usp=share [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9172
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. LXXXI (Année 1986) . - p. 191 - 196[article]Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 008086 - Périodique Bibliothèque principale Documentaires Exclu du prêt A novel water dispersable bentonite - acrylic graft copolymer as filler cum retanning agent / Y. Lakshminarayana in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCVII, N° 1 (01/2002)
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PermalinkA novel way to improve the hydrothermal stability of chrome tanned leather / Samir Das Gupta in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 63, N° 4 (07-08/1979)
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PermalinkNubuck finishing with water-based carbonyl-functional polymers / Lluis Ollé in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 92, N° 5 (09-10/2008)
PermalinkNutrient balance in aerobic biological treatment of tannery wastewater / Jianfei Zhou in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CIX, N° 5 (05/2014)
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PermalinkPermalinkObjective evaluation of leather handle with artificial neural networks / Su Zhenwei in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 80, N° 4 (07-08/1996)
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PermalinkObjective review : Advanced testing and toxicity of restricted substances for sustainable leather industry / Rajkumar Dewani in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXVIII, N° 3 (03/2023)
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PermalinkPermalinkPermalinkObservation of skins, hides and leathers with scanning electron microscope, IV. Changes in pig skins during bating process / Kohkichi Uehara in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXII (Année 1987)
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PermalinkObservations on the possible relationship between psoroptic mange of cattle and white spot damage on leather / John E. George in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXI (Année 1986)
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PermalinkObservatoire des filières de réduction et de valorisation des déchets de cuir / Martin Poupard in CTC ENTREPRISES, (10-11/2023)
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PermalinkObserving transparent impregnants in leather by a direct method / J. H. Bavinton in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 63, N° 4 (07-08/1979)
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PermalinkOccurrence and possible significance of demodectic mites, demodex caprae, in the internal tissues of fetal and adult indian goats / R. A. Venkatesan in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXIV (Année 1979)
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PermalinkOdour control in leather production / B. Klemenc in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 80, N° 1 (01-02/1996)
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