| Titre : |
Is 48 hours conditioning prior to testing necessary |
| Type de document : |
texte imprimé |
| Auteurs : |
A. J. Long, Auteur ; C. B. Wood, Auteur ; D. A. Langridge, Auteur |
| Année de publication : |
2003 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Conditionnement
Cuir
|
| Index. décimale : |
675 Technologie du cuir et de la fourrure |
| Résumé : |
The aim of this work is to determine whether it is feasible to reduce the time required to condition leather prior to physical testing, whilst still ensuring accurate and reliable results.
The method SLP 3 / IUP 31 describing the conditioning of leather was first published as an official method in the Journal of the Society of Leather Technologists and Chemists in 1958.2 (It was previously published for comment in 19493). There has been little change since this date. The latest version does acknowledge that in some cases there is the need for rapid conditioning, although this is not widely used in industry due to the possibility of arbitration which still requires the full 48 hour process (suggesting that the rapid method may not be producing the same results as the standard conditions). The aim therefore is to reduce the time required to carry out some key tests, but not necessarily to remove the requirement for the official standard. It is hoped that alternative options will be devised for those tanneries and test houses where 48 hours effective dead time prior to testing is a significant problem. A separate issue that is under discussion is the use of the different conditions 23oC, 50%RH. Whilst it is acknowledged that there are issues of importance in this area, these have not been considered in this research. The work published here uses the UK standard of 20oC, 65% RH. |
| Note de contenu : |
- Aims of this work
- Experimental Work and Results : Determination of the significance of conditioning - Evaluation of the optimum duration for conditioning - Evaluation of the moisture xontent of leather - Investigation of accelerated conditioning
- Table 1 : The Effect of conditioning on the tear strength of leather
- Table 2 : Effect of conditioning on water vapour absorption of leather
- Table 3 : Effect of pre-drying on leather conditioning |
| En ligne : |
https://drive.google.com/file/d/1ojBnyo0_WPpfRkUXrY-2ixO3stTAxXDO/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39807 |
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 87, N° 1 (01-02/2003)
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