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JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) / Union internationale des sociétés de techniciens et chimistes des industries du cuir . Vol. 65, N° 2Mention de date : 03-04/1981Paru le : 01/03/1981 |
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Ajouter le résultat dans votre panierTannage with aluminium salts. Part III. Preliminary investigations of the interactions with polycarboxylic compounds / Anthony D. Covington in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 65, N° 2 (03-04/1981)
[article]
Titre : Tannage with aluminium salts. Part III. Preliminary investigations of the interactions with polycarboxylic compounds Type de document : texte imprimé Auteurs : Anthony D. Covington, Auteur ; R. L. Sykes, Auteur Année de publication : 1981 Article en page(s) : p. 21-28 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Chrome
Cuirs et peaux de moutons
Essais (technologie)
Photostabilité
Polyacryliques
Résistance à la déchirure
Sels d'aluminium
Tannage minéralTannage dans lequel interviennent différents minéraux. Le plus répandu est le tannage aux sels de chrome, mais aussi à l’aluminium
Température de retraitIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : The system acrylic resin+ aluminium (HI) + chromium (III) has been investigated, as the basis of a novel tanning system. In particular, tannages containing very low or zero chromium (III) offers were investigated with a view to finding an alternative to full chrome tannage. High shrinkage temperature was the main aim of these experiments but other parameters were not ignored.
The colour of the leathers were essentially white, even when 1 % chromium (III) was present. There was no loss in thermal stability on soaking for 42 h in water at 30-35°c. Tear strength of fellmongered sheepskin leather was in excess of the 1976 GERIC guidelines for garment leather. Light fastness was better than 6 on the Blue Wool Scale.Note de contenu : - RESULTS : Tannages with increased polymer/reagent offer - The colour of aluminium tanned sheepskins - Tannages with polymer reagent, Aluminium and chromium - Tannage of whole sheepskins - Tannages with increased Aluminium offer
- PHYSICAL TESTS ON ALUMINIUM TANNED SHEEPSKINS : Resistance of detanning - Light fastness - Handle
- Table 1 : Polymeric and other reagents used in tanning experiments
- Table 2 : The effect of treating sheepskin with 2% polymer or reagent then 2% Al2O3 and drying for two days at room temperature
- Table 3 : The effect of treating sheepskin with polymer/reagent then 2% Al2O3 and drying at room temperature or 50-60°c shrinkage temperature (°c)
- Table 4 : The effect of treating sheepskin with 2% Al2O3 then polymer/reagent and drying at room shrinkage temperature (°c) temperature or 50-60°c
- Table 5 : The effect of aluminium offer and drying time on sheepskin treated with 8 % polymer/reagent then aluminium triformate
- Table 6 : The effect of drying on sheepskin treated with 8% polymer/reagent, 2% Al2O3, 1% Cr2O3 and dried at room temperature or 50-60°c
- Table 7 : The effect of very low chromium offers and drying on sheepskin treated with polymer/reagent, tanned with 2% Al2O3 + chromium and dried at room temperature or 50-60°c
- Table 8 : Results of tanning whole sheepskins at 25°c
- Table 9 : The results of tanning whole sheepskins with polymer, aluminium (III) and chromium (III) at 25-50°c
- Table 10 : CIELAB 1976 values for aluminium tanned sheepskin
- Table 11 : The effect of soaking in water at 30-35°c on the shrinkage temperature of aluminium tanned sheepskin
En ligne : https://drive.google.com/file/d/18PHvvzy4qrL8XRpDKEzs2RTut0xT7YeG/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34126
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 65, N° 2 (03-04/1981) . - p. 21-28[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 007128 - Périodique Bibliothèque principale Documentaires Disponible The effect of some variables in the toggling of softy garment sides / T. A. Hopkins in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 65, N° 2 (03-04/1981)
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Titre : The effect of some variables in the toggling of softy garment sides Type de document : texte imprimé Auteurs : T. A. Hopkins, Auteur Année de publication : 1981 Article en page(s) : p. 29-33 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuirs et peaux de bovins
Evaluation
Mesure
Microscopie
Surfaces (Physique)
Surfaces (technologie)
Vêtements en cuirIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : In this work, based on an MSc project, it was found that various conditions of temperature, time of toggling, and and extra subsequent Slocomb staking caused significant differences in area changes, and some subjectively assessed properties of softy garment cow sides. Increasing time and temperature of toggling gave area gains up to 0.8 ft2/side. Extra Slocomb staking after toggling increased area gain by approximately 0-75 ft2/side, compared with unstaked sides. Note de contenu : - EXPERIMENTAL : Experimental design - Processing - Toggling procedure - Area measurement - Subjective assessment and microscopical examination
- RESULTS AND DISCUSSION : Repeat measurements to determine least significant difference due to variability of measuring - Area changes during factorial treatment - Calculation of significant effects in area changes - Results of subjective assessment and microscopical examination
- DISCUSSION : Area changes - Subjective assessments - Overall
- Table 1 : Conditions chosen for factorial experiment
- Table 2 : Process sequence of softy garment cow sides
- Table 3 : Results of ten repeat area measurements on two sets of sides
- Table 4 : List of significant effects and conditions where these are applicable
- Table 5 : Variance estimates for all treatments
- Table 6 : Each treatment result shows the area changes in quarter square feet and is due to the indicated factorial treatmentEn ligne : https://drive.google.com/file/d/1hZS8rIRgXl5iPBR_p2Vwwn5XbYeUdvFz/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34127
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 65, N° 2 (03-04/1981) . - p. 29-33[article]Réservation
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Code-barres | Cote | Support | Localisation | Section | Disponibilité |
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007128 | - | Périodique | Bibliothèque principale | Documentaires | Disponible |