[article]
Titre : |
Influence of the cattle breed on the properties of crusts |
Type de document : |
texte imprimé |
Auteurs : |
Sandra Stenzel, Auteur ; Michael Meyer, Auteur |
Année de publication : |
2021 |
Article en page(s) : |
p. 38-41 |
Note générale : |
Bibliogr. |
Langues : |
Anglais (eng) |
Catégories : |
Allongement (mécanique) Bovins -- Races Croûte (cuir)On entend par "cuir en croûte" des cuirs ayant subi les opérations jusqu'au tannage, à l'exclusion de toute opération de corroyage ou de finissage, mais qui, par opposition aux wet-blue ont été séchés. Cuirs et peaux -- Propriétés mécaniques Epaisseur -- Mesure Mesures physiques Résistance à la déchirure Résistance à la traction
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Index. décimale : |
675 Technologie du cuir et de la fourrure |
Résumé : |
The starting point of the investigations was the assumption of a lot of tanners that the leather quality in addition to other factors such as the tanning technology essentially depends on the cattle breed of a raw hide. This difference should be especially distinctive between Southern and Northern German cattle breeds. Tensile strength, maximum elongation and stitch tear resistance were selected as representative parameters for leather properties. The cattle breed was determined based on the raw hide using molecular biological methods. During the study, crusts were produced from all raw hides. Afterwards, the mechanical properties were investigated. It became apparent that the cattle breed does not have a significant influence on tensile strength, maximum elongations and stitch tear resistance of the crusts. |
Note de contenu : |
- Cattle breed and gender determination using molecular biological methods
- Physical measurements
- Fig. 1 : Cluster Arrangement for the 35 German cattle populations by program structure (1- Limousin, 2- Charolais, 3 and 4- Simentaler, 5, 6, 7, 8- Braunvieh, 9, 10, 11, 14, 15 Schwarzbunt/Rotbunt, 36 to 40- test data set). Every colour implies a cluster. Within a clust occur different colours, which indicates cross breeding
- Fig. 2 : Thickness of the raw hides depending on the cattle breed determined using genetic markers (Southern German: Simentaler and Braunvieh, Northern German: Rotbunt (dual-use)/ Schwarzbunt and Rotbunt Holstein)
- Fig. 3 : Tensile strength of the raw hides depending on the cattle breed determined using genetic markers
- Fig. 4 : Tensile strength of the crusts depending on the cattle breed determined using genetic markers. The numbers in brackets stand for the number of samples (number of crusts). There are no significant differences between the individual cattle populations
- Fig. 5 : Maximum elongation of the crusts depending on the cattle breed determined using genetic markers. The numbers in brackets stand for the number of samples (number of crusts). There are no significant differences between the individual cattle populations
- Fig. 6 : Stitch tear resistance of the crusts depending on the cattle breed determined using genetic markers. The numbers in brackets stand for the number of samples (number of crusts). There are no significant differences between the individual cattle populations |
En ligne : |
https://drive.google.com/file/d/1abEO9_ylA0RVksVZgTam1hnDp_cIALy5/view?usp=drive [...] |
Format de la ressource électronique : |
Pdf |
Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35748 |
in INTERNATIONAL LEATHER MAKER (ILM) > N° 45 (01-02/2021) . - p. 38-41
[article]
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