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The principle and method of testing leather fullness and softness / Peng Wenli in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 90, N° 3 (05-06/2006)
[article]
Titre : The principle and method of testing leather fullness and softness Type de document : texte imprimé Auteurs : Peng Wenli, Auteur ; Zhang Xiaolei, Auteur ; Chen Shuru, Auteur Année de publication : 2006 Article en page(s) : p. 117-122 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Contraintes (mécanique)
Cuirs et peaux -- Propriétés physiques
Douceur (toucher)
Lastomètre
Matériau pleinIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Our work is aimed at evaluating the character of leather in a quantitative manner. We have studied the principle and method of testing leather fullness and softness by compression and Lastometer type experiments. A variety of Lastometer apparatus for testing softness had been designed and manufactured. Some parameters, such as compression/decompression and fullness work, have been calculated using the experimental data. The results are coincident with those of HEM (hand evaluation method). This testing procedure appears to be reliable for measuring leather fullness and softness. Note de contenu : - PRINCIPLE
- METHODS : Materials - Instruments - Steps in the testing
- DESIGNE OF LEATHER LASTOMETER TYPE TESTER
- RESULTS AND DISCUSSION : Analysis of Leather Compressibility - Analysis of leather softness testing resultsEn ligne : https://drive.google.com/file/d/1CuTKsQx48q6jguuViYeE0jRrm6jnaZJ-/view?usp=share [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39144
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 90, N° 3 (05-06/2006) . - p. 117-122[article]The relationship between water vapour permeability and softness for leathers produced in Poland / Krzysztof Smiechowski in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 98, N° 6 (11-12/2014)
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Titre : The relationship between water vapour permeability and softness for leathers produced in Poland Type de document : texte imprimé Auteurs : Krzysztof Smiechowski, Auteur ; Jan Zarlok, Auteur ; Malgorzata Kowalska, Auteur Année de publication : 2014 Article en page(s) : p. 259-263 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Chaussures
Cuir
Douceur (toucher)
Perméabilité
Qualité -- Contrôle
Vapeur d'eauIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : The study concerns testing of selected properties of leather produced in Poland particularly properties which are important for comfort. Shoe leathers were tested mainly for water vapour permeability and softness. Water vapour permeability tests were performed according to the new method which uses equipment made by the Radwag company (the idea was invented by the University of Technology and Humanities (UTH) in Radom, Poland), and which enables fast measurement in conditions similar to those under which the leather is used. In total, a range made by 8 Polish tanneries were tested. The results of the study showed that the majority of selections of leather produced in Poland is of very good quality. The water vapour permeability of the leathers ranged from 380mg/10 cm2/24h to 4930 mg/10cm2/24h (according to the method of UTH Radom). The relationship between softness and water vapour permeability was investigated. En ligne : https://drive.google.com/file/d/1fS5wmiRrcesSxPsDNoxtWCov3bG2MDs8/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22647
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 98, N° 6 (11-12/2014) . - p. 259-263[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 16734 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : The soft sell Type de document : texte imprimé Auteurs : Patricia Casey, Auteur ; Nicolàs Delgado, Auteur ; Silvia Metz, Auteur ; Leonardo Pileggi, Auteur Année de publication : 2016 Article en page(s) : p. 39--41 Langues : Anglais (eng) Catégories : Cuir dans les automobiles
Cuirs et peaux -- Propriétés mécaniques
Cuirs et peaux -- Propriétés physiques
Douceur (toucher)
Sellerie
SiègesIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Importance on the relationship between softness and directionality of physical properties on leather for automotive upholstery.
The interiors of high-quality cars are characterised by having a sophisticated design, sometimes minimalist, but very demanding. The seats of an automobile are important to secure comfort and safety to the driver and other passengers. Not only are colour, feel and the overall aesthetic of the seat important, but equally so is the comfort. If the seats fail, the travel experience can be unpleasant.
An improper seat leads to greater fatigue and back pain. Leather is the material preferred for upholstering the interior of high-quality cars and, it being a natural product, faces demanding challenges to adapt it to the range that each automotive terminal applies. Often, companies engaged in cutting, sewing and assembling car-seat covers raise claims against leather suppliers because of defects such as :
- wrinkles that, when the cover is manufactured for the seat or the headrest, appear on some identical parts but not on others
- parts that, when sewn, stretch and deform, not returning to their original size or aspect
- covers of which the pieces are cut from the same lot of leather and when placed on the seat, show unwanted wrinkles or look distorted.
Each automotive terminal issues technical specification of which the purpose is to ensure the consistent quality of the leather to be processed, while considering the influence of physical, chemical and organoleptic properties during the stages of manufacture This article describes the relationship between the softness of the leather, measured by different methods and directionality of physical properties, and the influence they have to obtain a defect-free product.Note de contenu : - Leather as the material of choice
- Topographical distribution leather physical properties
- Description of the test methods
- Determination of the most favourable leather zone and direction
- FIGURES : 1. Average of softness and bending length results on each leather zone - 2. Correlation diagram between softness and bending length results - 3. Results of bending length - cantilever (mm) - 4. Histogram of bending length measurements (mm)
- TABLES : 1. Softness and bending length results on each leather zone and each hide (mm) - 2. Results of statistic and permanent elongationEn ligne : https://drive.google.com/file/d/1y1Y85oqFlnJQ5KqnmKJBAWxkOn1S0YI7/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26712
in LEATHER INTERNATIONAL > Vol. 217, N° 4861 (06/2016) . - p. 39--41[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 18205 - Périodique Bibliothèque principale Documentaires Disponible The use of acoustic emission as an aid to evaluating the handle of leather / A. J. Long in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 85, N° 5 (09-10/2001)
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Titre : The use of acoustic emission as an aid to evaluating the handle of leather Type de document : texte imprimé Auteurs : A. J. Long, Auteur ; P. Jardine, Auteur ; T. J. Deadman, Auteur ; Albert M. Manich, Auteur ; Teresa Bosch, Auteur Année de publication : 2001 Article en page(s) : p. 159-163 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuir
Déchirure (mécanique)
Douceur (toucher)
Emission acoustique
Essais dynamiques
EvaluationIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Research has been carried out to evaluate the use of acoustic emission to study leather. Unlike other research the technique reported here describes the measurement of sound in the audible range. Research has been ongoing to evaluate methods to quantify the subjective properties of leather (i.e. the handle of leather) and it has been possible to quantify leather handle using data obtained from physical test methods (it is planned to publish this separately). The work presented in this paper illustrates how the acoustic properties relate to leather handle, and show how the technology can be used to improve the correlation with subjective assessment. This work is subject to a patent application (application number GBOO 16063.0). Note de contenu : - Evaluation of tearing tests using acoustic emission
- The use of acoustic emission to evaluate handle
- Table 1 : Correlation of objective and subjective evaluation of leather handleEn ligne : https://drive.google.com/file/d/1UukCAyN7up0XvpzqGWid_latxiDvkJsP/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40229
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 85, N° 5 (09-10/2001) . - p. 159-163[article]Understanding natural ingredients and mildness / Barbara Olioso in PERSONAL CARE EUROPE, Vol. 14, N° 2 (04/2020)
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Titre : Understanding natural ingredients and mildness Type de document : texte imprimé Auteurs : Barbara Olioso, Auteur Année de publication : 2020 Article en page(s) : p. 148-149 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Conservateurs (chimie)
Contamination microbienne
Cosmétiques
Douceur (toucher)
Ingrédients cosmétiques
Oxydation
Peau -- Soins et hygiène
Produits chimiques -- Sécurité
Produits naturels
SulfatesLe sulfate est le sel de l'acide sulfurique H2SO4. La formule de l'ion sulfate est SO42-.Index. décimale : 668.5 Parfums et cosmétiques Résumé : Nature is full of wonders, yet only a small fraction of its plants are suitable for human consumption. In a society living far from nature, there is a real longing for naturals, often with the accompanying romantic idea that everything natural is safe, and even though I am an advocate of using plant derived cosmetic ingredients myself, I wish things were that simple.
Formulating with naturals requires a lot of background knowledge, frequently updated information and constant investigation; it is an endless learning curve.
Before I dive into the topic, I need to define what I mean by naturals and skin mildness.Note de contenu : - Naturals, what are they ?
- Free from chemicals ?
- Mildness is a minefield
- Residues and the importance of purity
- Oxidation and essential oils safety
- Microbial contaminants and products safety
- Sulfates
- PreservativesEn ligne : https://drive.google.com/file/d/1SkMtX-AOOyi9V6mlBLZlrvdPX5n94t2-/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33965
in PERSONAL CARE EUROPE > Vol. 14, N° 2 (04/2020) . - p. 148-149[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21621 - Périodique Bibliothèque principale Documentaires Disponible User-friendly ceramide from upcycled olives / Giulia Fattorini in GLOBAL PERSONAL CARE, Vol. 24, N° 8 (09/2023)
PermalinkWater hardness as an important parameter of the fatliquoring process / Krzysztof Smiechowski in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 101, N° 6 (11-12/2017)
PermalinkWet blue enzymes - new treatment for area gain / Lars Rasmussen in WORLD LEATHER, Vol. 15, N° 1 (02-03/2002)
PermalinkWet-pink leathers-zirconium-THPS tannage / N. Nishad Fathima in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 91, N° 4 (07-08/2007)
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