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Fungus-resistant fatliquor from blended natural oils - A sustainable lubricating product / Bindia Sahu in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXV, N° 9 (09/2020)
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Titre : Fungus-resistant fatliquor from blended natural oils - A sustainable lubricating product Type de document : texte imprimé Auteurs : Bindia Sahu, Auteur ; A. Tamil Selvi, Auteur ; Rathinam Aravindhan, Auteur Année de publication : 2020 Article en page(s) : p. 324-329 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Antifongiques
Caractérisation
Cuirs et peaux -- Propriétés mécaniques
Essais dynamiques
Formulation (Génie chimique)
Huiles et graisses
Produits de nourriture du cuirIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Fatliquoring is an important step in making leather. It endows strength and softness to leather by lubricating its fibers. A certain amount of fungicide is also offered during the post tanning operation, to protect the leather from future fungus infection. The aim of this work is to develop a novel fatliquor, which has both lubricating and antifungal activity. Sulfated blended fatliquors were developed by blending 80:20 proportions of castor and rice bran oil respectively and then followed by reaction with Sulphuric acid at 28±2°C. The novel fatliquor was then characterized for particle size which was similar to a control (sulfated castor and sulfated rice bran ouf) fatliquor. Antifungal performance of the novel fatliquor was confirmed by agar well-diffusion process against selected fungus species such as Aspergillus piger, Aspergillus flavus and Aspergillus fumigatus. The resultant leathers were evaluated for physical strength, such as tear strength, tensile strength and lastometer test and the results were found to be similar to control leather. Our study provides additional insights for using such novel fatliquors for both antifungal and lubrication properties. Note de contenu : - MATERIALS AND METHODS : Materials - Methods (Preparation of fatliquor - Characterization of the fatliquor - Antifungal activity of the blended faltiquor - Physical characterization of fatliquored leather)
- RESULTS AND DISCUSSION : Stability and particle size analysis of blended mixture - FTIR analysis of product - Antifungal activity of the product - Physical properties of fatliquored leatherDOI : https://doi.org/10.34314/jalca.v115i9.3851 En ligne : https://drive.google.com/file/d/18FHAawrnLMwuU6oKvkLW_2kgJ2GOZimD/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34585
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Code-barres Cote Support Localisation Section Disponibilité 22340 - Périodique Bibliothèque principale Documentaires Disponible 22341 - Périodique Bibliothèque principale Documentaires Disponible Further advances in acrylic retan/fatliquors - Technical note / John R. Barlow in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXVIII, N° 6 (06/1993)
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Titre : Further advances in acrylic retan/fatliquors - Technical note Type de document : texte imprimé Auteurs : John R. Barlow, Auteur ; Patricia Lesko, Auteur Année de publication : 1993 Article en page(s) : p. 217-225 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Acylic retan/fatliquors have made an immediate impact on leather processing, offering previously unobtainable combinations of softness,strength and water resistance.Commercial acceptance of the first two products of this new technology has been rapid,principal areas of use being high performance waterproof leathers.This paper describes the latest advances in the development of lubricating acrylic retans that provide a material with much greater versatility in the production of a wide range of leather types.Apart from general benefits of shorter,simpler processes,resultant leathers may also show clear technical superiority, for example, very low fogging(automative leather), bright and level dyeing(especially on suede splits), and excellent fastness toward heat and light.Full process details and results of leather testing are presented. En ligne : https://drive.google.com/file/d/11z31P3O4pY9LRyoxUZCkBkwlv4abNFfG/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8221
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Code-barres Cote Support Localisation Section Disponibilité 006907 - Périodique Bibliothèque principale Documentaires Disponible Further investigations of oxidative unhairing using hydrogen peroxide / Bi Shi in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCVIII, N° 5 (05/2003)
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Titre : Further investigations of oxidative unhairing using hydrogen peroxide Type de document : texte imprimé Auteurs : Bi Shi, Auteur ; Xingfang Lu, Auteur ; Danhong Sun, Auteur Année de publication : 2003 Article en page(s) : p. 185-192 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The research includes details of hair removal from hide and the influence of hydrogen peroxide on hide/collagen during unhairing process. The results showed that destruction of hair was led by cooperative effect of hydrogen peroxide and sodium hydroxide. The dissolution of hair first happened at hair root, which favors implementation of hair saving system. It was also found that the oxidative effect of H2O2 causes slight protection function of collagen in alkaline medium ( probably, due to cross-linking reaction of collagen induced by H2O2), which is one of the reasons leading to higher tensile strength and lower elongation rate of resultant leather. Isoelectric point of the hide unhaired with H2O2 was lower than that using conventional Na2S unhairing process, due to that more carboxyl or anionic groups were probably derived. Therefore, the chrome tanned leather employing H2O2 unhairing process exhibited higher Cr2O3 content. Based on these observations, the optimal conditions for undertaking H2O2 unhairing, including hair dissolution and hair recovery processes, were presented. En ligne : https://drive.google.com/file/d/1YYxeEr5GHZge4SAz8ObHIq79u9iPWkDk/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4121
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Code-barres Cote Support Localisation Section Disponibilité 001587 - Périodique Bibliothèque principale Documentaires Disponible Further studies on the official methods of analysis for determination of hexavalent chromium level in leather / Dipankar Chauduri in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCVIII, N° 10 (10/2003)
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Titre : Further studies on the official methods of analysis for determination of hexavalent chromium level in leather Type de document : texte imprimé Auteurs : Dipankar Chauduri, Auteur ; Ratna Chakraborti, Auteur ; Pinaki Bhattacharya, Auteur Année de publication : 2003 Article en page(s) : p. 388-399 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : This study was carried out primarily to have a better understanding of some of the reported limitations of the official methods of analysis for determining the level of Cr(VI) in leather. In this investigation the stability of Cr(VI) and Cr(III) was tested in several potential extractants and leather extracts. But no redox reactions could be observed in any of the liquors tested. Experiments were also conducted to determine the optimum stirring time for complete extraction of Cr(VI) from leather. The results reveal that a stirring time of 3 hours is insufficient for full chrome leather. In order to determine the kind of change necessary in the extraction procedure to avoid the potential oxidation of Cr(III) during extraction, experiments were also conducted on extraction with phosphate buffer for different time intervals under various pH conditions. The results indicate that more reliable analytical results may be obtained by extracting the sample for 6 hours with phosphate buffer at pH 6.4-6.6. En ligne : https://drive.google.com/file/d/1IcXFPvLBEkR71CdqEFFAAMV953RazfqC/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4153
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Code-barres Cote Support Localisation Section Disponibilité 001592 - Périodique Bibliothèque principale Documentaires Disponible Future automotive interiors : the role of leather solutions / Karl Flowers in INTERNATIONAL LEATHER MAKER (ILM), N° 41 (05-06/2020)
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Titre : Future automotive interiors : the role of leather solutions Type de document : texte imprimé Auteurs : Karl Flowers, Intervieweur ; Alexander Schieke, Auteur Année de publication : 2020 Article en page(s) : p. 38-39 Langues : Anglais (eng) Catégories : Cuir dans les automobiles Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The speed of change in the automotive industry is astonishing. Techniques and solutions that are considered innovative today might be seen as normal or even old-fashioned five years from now. ILM spoke about such trends in the automotive interior segment. Note de contenu : - How do you expect the mobility industry to evolve in the future ?
- And which trends will influence the automotive industry the mosts ?
- So what is the influence of CASE trends on automotive interiors ?
- Is sustainability also a trend in automotive interiors ?
- How can automotive tanners meet the demand for more sustainable interiors ?
- Why is collaboration so important ?
- Are there specific training programs for the automotive industry within Stahl Campus ?
- What are your thoughts on the coronavirus, specifically on the automotive industry ?En ligne : https://drive.google.com/file/d/1iI1ffMmhLpEGUPP27X3WcgcZlTK7l6BO/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34088
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Code-barres Cote Support Localisation Section Disponibilité 21717 - Périodique Bibliothèque principale Documentaires Disponible Future finishing - trends and chemicals / Graham Lampard in LEATHER INTERNATIONAL, Vol. 214, N° 4822 (07/2012)
PermalinkLe galuchat / Jean Perfettini / Dourdan : Editions Vial (2016)
PermalinkGamma radiation preservation of cattle hides. A new twist on an old story / David G. Bailey in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCIV, N° 7 (09/1999)
PermalinkPermalinkPermalinkGas chromatography as a tool for quality control in production of bovine tallow olein / Guilherme P. S. Priebe in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVII, N° 4 (04/2012)
PermalinkGas chromatography - Mass spectrometry identification of collagen breakdown products in naturally and artificially aged leathers / P. Richardin in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXXI, N° 1 (01/1996)
PermalinkGaseous sulfur dioxide used to preserve hides - an evaluation / William J. Hopkins in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXV (Année 1980)
PermalinkGasification : Achieving zero waste / Warren Bowden in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCVIII, N° 1 (01/2003)
PermalinkGasification and combustion of the footwear leather wastes / Marcelo Godinho in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CII, N° 6 (06/2007)
PermalinkGel-sol transitions of chrome tanned leather waste hydrolysate / F. Langmaier in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 85, N° 3 (05-06/2001)
PermalinkLa gélatine : ses origines, sa fabrication, ses utilisations / A. Flausch in TECHNICUIR, N° 10 (12/1979)
PermalinkGeneral aspects of fatliquoring : an introduction to the application and chemistry of fatliquoring / D. Burgess in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 78, N° 2 (03-04/1994)
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