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675.2 : Préparation du cuir naturel. Tannage |
Ouvrages de la bibliothèque en indexation 675.2
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The heterogeneous interaction between sulpho-syntans and collagen. Part V. Polyelectrolyte complex type / Z. Vinklà rek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 74 (Année 1990)
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Titre : The heterogeneous interaction between sulpho-syntans and collagen. Part V. Polyelectrolyte complex type Type de document : texte imprimé Auteurs : Z. Vinklà rek, Auteur ; M. Vondruska, Auteur ; J. Kupec, Auteur Année de publication : 1990 Article en page(s) : p. 116-121 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Collagène
Cuirs et peaux
Oligoélectrolyte
Réactions chimiques
Syntans
TannageIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : The stoichiometry of the above reaction has been studied with regard to its dependence on reaction conditions. An effective equivalent weight for collagen has been determined based on this study. By comparison of the determined effective equivalent weight with the calculated value the type of local Coulomb’s interactions and also the type of the polyelectrolyte complex formed have been predicted. The results support the fact that the polyelectrolyte complex formation of the pendent—pendent type occurs.
This has been substantially confirmed by elemental analysis.Note de contenu : - Table 1 : Effective equivalent weight of gelatine F2—2 fraction calculated from the results of its homogeneous reaction with Kortan FB oligoelectroly
- Table 2 : Results of elemental analysis of reaction components and selected PELC samples
- Table 3 : Weights of Kortan FB oligoelectrolyte bound to I g of Merck hide powder in dependence on the amount offered
- Table 4 : Dependence of effective equivalent weight of Merck hide powder on the amount offered; calculated for its heterogeneous reaction with Kortan FB oligoelectrolyte
- Table 5 : Comparison of collagen samples effective equivalent weights ; M(g.val)
- Table 6 : Comparison of PELC 5 elemental analysis results with theoretically calculated values for stoichiometric (1:1) pendent—pendent PELC
- Table 7 : Differences in PE[.C samples elemental analysis results from composition calculated for theoretical stoichiometric (1:1) pendent—pendent PELCEn ligne : https://drive.google.com/file/d/1Er_2yoSTLL8ejHgS_E_toc_16hUxvyOA/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40082
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 74 (Année 1990) . - p. 116-121[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 007137 - Périodique Bibliothèque principale Documentaires Disponible The history of chrome tanning materials / Wolfhard Luck in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 70 (Année 1986)
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Titre : The history of chrome tanning materials Type de document : texte imprimé Auteurs : Wolfhard Luck, Auteur Année de publication : 1986 Article en page(s) : p. 99-103 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : The article describes the history of ready-for-tanning chroma tanning materials from the time they were first developed to the present day.
The first such product was a liquid chrom tanning material which appeared on the American market. This was followed by drum-dried chrome tanning powders, readily soluble spray-dried chrome tanning materials and, later, by self-basifying chrome tanning materials. Recently, special chrome tanning materials from chrome tanning processes with high float exhaustion have been developed. Industrial progress, new production processes for leather and the development of chrome tanning materials have all interacted with each other.En ligne : https://drive.google.com/file/d/1q3kQwf56M27kStYlsTKhkMrKbvt2hPXF/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9212
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 70 (Année 1986) . - p. 99-103[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 007133 - Périodique Bibliothèque principale Documentaires Disponible The identification of naphthalene syntans by classical and derivative ultraviolet spectrometry / A. H. Lawrence in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXV (Année 1980)
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Titre : The identification of naphthalene syntans by classical and derivative ultraviolet spectrometry : Technical note Type de document : texte imprimé Auteurs : A. H. Lawrence, Auteur Année de publication : 1980 Article en page(s) : p. 403-407 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Aromatic synthetic tanning substances are classified into two main groups : the naphthalene syntans and the exchange (replacement) syntans.
The exchange syntans differ from the naphthalene tans in that they contain phenolic hydroxyl groups.
The identification of syntans by organic analytical means has been reported by Berkman and Chen. Roseira analyzed the naphthalene syntans by paper chromatography and Pomares reported the gel permeation chromatography of naphthalene syntans.
Ultraviolet (UV) spectrometry is a well-established and relatively inexpensive instrumental technique that has found numerous applications in industrial organic analysis.
This note describes a simple and rapid UV absorption spectrometry technique for distinguishing between naphthalene and exchange syntans.Note de contenu : - Spectrophotometric behavior of syntans in neutral and alkaline media
- Derivative UV spectroscopy
- Multicomponent analysisEn ligne : https://drive.google.com/file/d/1DuLYvS67LjbiLE2l_FAJlmyxe_Pe-q7r/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17793
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. LXXV (Année 1980) . - p. 403-407[article]Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 008513 - Périodique Archives Documentaires Exclu du prêt The impact of acid rain on vegetable tanned leather / Yanping Gao in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 100, N° 3 (05-06/2016)
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Titre : The impact of acid rain on vegetable tanned leather Type de document : texte imprimé Auteurs : Yanping Gao, Auteur ; Yang Shuang, Auteur ; Teng Bo, Auteur ; Jinwei Zhang, Auteur ; Jian Xiaoyun, Auteur ; Lucretia Miu, Auteur ; Carmen Gaidau, Auteur ; Wuyong Chen, Auteur Année de publication : 2016 Article en page(s) : p. 131-135 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Analyse thermique
Cuirs et peaux -- Analyse
Cuirs et peaux -- Détérioration
Cuirs et peaux -- Propriétés mécaniques
Essais accélérés (technologie)
Essais dynamiques
Morphologie (matériaux)
Pluies acides
Tannage végétalIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Artificial acid rain was chosen to simulate the influences of gaseous pollutants on vegetable-tanned leather. The vegetable-tanned leather samples were soaked in the artificial acid rain for 0, 5, 10, 15, 20 and 25 days, at 50°C and 100% relative humidity conditions. Then, these samples were evaluated by various analytical methods. Micro hot table (MHT), differential scanning calorimetry (DSC) and thermogravimetry (TG) were used to evaluate the influences of acid rain on thermal behaviours. Damage to mechanical properties were also analyzed by a standard method. Fourier transform infrared spectroscopy (FTIR) and optical microscopy were used to investigate the changes of structural and histological properties during ageing. With the extension of ageing time, thermal stability was gradually reduced to lower values, including shrinkage temperature, thermal denaturing temperature, associated enthalpy and temperature of maximum decomposition rate. ln addition, mechanical properties such as tensile strength, tear strength and elongation at break also gradually decreased. The FTIR results showed that, during the ageing process, the amide 1 and amide 11 bands of collagen were gradually shifted to lower numbers, indicating increasingly serious damage to the structure of the peptide chain corresponding to obvious fibril breakages which were also detected through optical microscopy. Note de contenu : - EXPERIMENTAL METHODOLOGY : Materials - Sampling - Preparation of artificial acid rain - Leather ageing process - Analytical methodology
- RESULTS AND DISCUSSION : Thermal analysis - Mechanical properties - Morphology and structureEn ligne : https://drive.google.com/file/d/1qSZYzF-OT_TZl-1LmxTyAgXz_8UA3qET/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26446
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 100, N° 3 (05-06/2016) . - p. 131-135[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 18140 - Périodique Bibliothèque principale Documentaires Disponible The impact of halophilic organisms on the grain quality of brine cured hides / David G. Bailey in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXXI, N° 2 (02/1996)
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Titre : The impact of halophilic organisms on the grain quality of brine cured hides Type de document : texte imprimé Auteurs : David G. Bailey, Auteur ; Meral Birbir, Auteur Année de publication : 1996 Article en page(s) : p. 47-51 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Halophilic organisms have long been thought to be associated with reduced grain quality of brine cured cattle hides. However, a direct correlation of the presence of halophiles and damage to surface of grain has not been previously reported. In this research, a fresh cattle hide was cured in saturated brine to which an innoculum of several isolates of extremely halophilic organisms were added. These halophilic organisms were previously isolated from commercially brine-cured hides. After curing, samples prepared from the hide were stored at three different temperatures, 39°F, 70°F and 106°F. Half of the samples were tanned after four weeks of storage and the remainder of the samples were tanned after seven weeks. Physical testing showed that there was no difference in physical strength between the inoculated and uninoculated samples. Grain damage was observed visually in the samples held for seven weeks at 106°F. Scanning electron micrographs clearly show the nature of this damage. En ligne : https://drive.google.com/file/d/1qFhgFTIvn4CZfLXKUrx4LeSNHvFMbtVo/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=7830
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. LXXXXI, N° 2 (02/1996) . - p. 47-51[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 006941 - Périodique Bibliothèque principale Documentaires Disponible The impact of lowering the Cr(VI) detection limit in leather : implications on quantitative analysis / S. J. Davis in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 106, N° 4 (07-08/2022)
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PermalinkThe impact of potassium persulfate on linseed oil tanning / Bindia Sahu in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXVII, N° 8 (08/2022)
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PermalinkThe influence of fatliquors on the lightfastness of dyed leather / Alois Püntener in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXXI, N° 5 (05/1996)
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PermalinkThe influence of relative humidity on the level of Cr(VI) in level of Cr(VI) in chrome-tanned leather / Yu Congzheng in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 89, N° 5 (09-10/2005)
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PermalinkThe influence of solvents on hydrothermal stability and microstructure of combination tannage / Wang Yajuan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 96, N° 2 (03-04/2012)
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PermalinkThe kinetics of chrome tannage-V. A possible explanation of the mode of action of glucose reduced chrome liquors / Stanley Briggs in JOURNAL OF THE SOCIETY OF LEATHER TRADES' CHEMISTS, Vol. 50, N° 4 (04/1966)
PermalinkThe kinetics of chrome tanning of hide powder modified by formaldehyde / P. Smejkal in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXV (Année 1980)
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PermalinkThe leather trades' engineers of Massachusetts : Vaughn Machine Co. 1892-1904 Vaughn-Rood Machine Co. 1903-1905 / Trevor Lyons in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 102, N° 6 (11-12/2018)
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PermalinkThe machines in the tannery / Walter Landmann / Liverpool [Royaume-Uni] : World Trades Publishing (2003)
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PermalinkThe measurement of the binding of tannin subunits to soluble collagen by continuous-flow dynamic dialysis / Neil A. Sparrow in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 66 (Année 1982)
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PermalinkThe mechanical properties of chrome tanned sheepskin. Variation of properties with position / Poulter Ward in JOURNAL OF THE SOCIETY OF LEATHER TRADES' CHEMISTS, Vol. 50, N° 4 (04/1966)
PermalinkThe mechanism of fish oil (Engraulis japonica) tanning / Zhou Hualong in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 95, N° 6 (11-12/2011)
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PermalinkThe microstructure changes of collagen fibres introduced by a novel metal complex : Zr-Al-Ti / Chen Yining in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 102, N° 1 (01-02/2018)
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PermalinkThe modern rational pit-drum tannage of vegetable sole leather / Jan Mosiewicz / London [United Kingdom] : Forestal International Ltd (1976)
PermalinkThe optimization of epoxide-based tannage systems - An initial study / R. J. Heath in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 89, N° 3 (05-06/2005)
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PermalinkThe physical-chemical treatment of tannery effluents / Heinz-Peter Germann in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 79, N° 3 (05-06/1995)
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PermalinkThe physical properties of leather from kangaroo skins II - Variation in properties with sampling position / L. J. Stephens in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXIV (Année 1989)
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PermalinkThe physical properties of leather from kangaroo skins III / L. J. Stephens in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXIV (Année 1989)
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PermalinkThe physical properties of leather from kangaroo skins IV - Comparison of tannages for hair-on skins / D. E. Peters in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXIV (Année 1989)
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PermalinkThe physical properties of leather from Kangaroo skins V. Comparison of hair-on and unhaired tannage / L. J. Stephens in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXV (Année 1990)
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