The physical properties of leather from kangaroo skins III / L. J. Stephens in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXIV (Année 1989)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. LXXXIV (Année 1989) . - p. 296-305 Titre : The physical properties of leather from kangaroo skins III : Comparison between sirolime and conventional unhairing and between chrome and vegetable tanning Type de document : texte imprimé Auteurs : L. J. Stephens, Auteur ; D. E. Peters, Auteur ; A. C. Trajstman, Auteur Année de publication : 1989 Article en page(s) : p. 296-305 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Cuirs et peaux de kangourous Epilage Tannage au chrome Tannage végétal Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : The tensile strenght and elongation of leather from male and female, Red and Grey Kangaroos was used to compare the effect of unhairing by the conventional lime/sulfide process and the Sirolime process. No difference was detected between the properties of leather produced by either of the two unhairing methods. A similar comparison was made between chrome-tanned and vegetable-tanned kangaroo leather ; the vegetable-tanned leather gave lower strenght properties than the chrome-tanned leather when treated with the same levels of fatliquor. Note de contenu : - MATERIALS AND METHODS : Skins - Unhairing and tanning - Physical testing - RESULTS : Sirolime vs. conventional unhairing - Chrome vs. vegetable tanning - Table I : Average tensile properties. Sirolime & conventionally limed, chrome-tanned kangaroo leather - Table II : Average tensile properties. Sirolime & conventionally limed, chrome-tanned kangaroo leather ; variation with position on the skin - Table III : Average tensile properties. Sirolimed & conventionally limed, chrome-tanned kangaroo leather ; variation with direction of testing - Table IV : Average tensile properties. Chrome vs vegetable-tanned kangaroo leather - Table V : Average tensile properties. Chrome vs vegetable-tanned kangaroo leather : variation with position on the skin - Table VI : Average tensile properties. Chrome vs vegetable-tanned kangaroo leather ; variation with direction of testing En ligne : https://drive.google.com/file/d/1RGbWtkElTveDBbbMIT_re6yi0CrLozZU/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17365 [article]

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The 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)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. LXXXIV (Année 1989) . - p. 329-337 Titre : The physical properties of leather from kangaroo skins IV - Comparison of tannages for hair-on skins Type de document : texte imprimé Auteurs : D. E. Peters, Auteur ; L. J. Stephens, Auteur ; A. C. Trajstman, Auteur Année de publication : 1989 Article en page(s) : p. 329-337 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Cuirs et peaux de kangourous Tannage Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : The effect of chrome, aluminium and vegetable tanning on the properties of hair-on kangaroo leather is evaluated using matched sides. Allowing for the known differences in the leather from the two sexes and species (Red and grey kangaroos), it is shown that aluminium or chrome tanning produce similar physical properties in the leader but, as expected, vegetable tanning gives leather with physical properties showing lower strength and elongation values than those of chrome tanning. This may be the result of not optimising the fatliquor levels for the vegetable-tanned leather. Note de contenu : - MATERIALS AND METHODS : Skins - Tanning - Vegetable tanning - Aluminium tanning - Physical testing - Statistical analysis - RESULTS : Aluminium vs chrome tanning - Chrome vs vegetable tanning En ligne : https://drive.google.com/file/d/1OKQyXnKXPab7kHiG4-SI2phPGZNUErQH/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17371 [article]

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