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 retrait
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Index. 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
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En ligne : |
https://drive.google.com/file/d/18PHvvzy4qrL8XRpDKEzs2RTut0xT7YeG/view?usp=drive [...] |
Format de la ressource électronique : |
Pdf |
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