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Improving the odour of automotive leather / Lukas Wohlmuth in INTERNATIONAL LEATHER MAKER (ILM), N° 47 (05-06/2021)
[article]
Titre : Improving the odour of automotive leather Type de document : texte imprimé Auteurs : Lukas Wohlmuth, Auteur ; Andy Schweizer, Auteur ; Siegfried Nagel, Auteur Année de publication : 2021 Article en page(s) : p. 24-26 Langues : Anglais (eng) Catégories : Absorption
Air intérieur
Air intérieur -- Analyse
Cuir -- Odeurs
Cuir dans les automobiles
Odeurs -- AbsorptionIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : The authors examine how vehicle interior air quality (VIASQ) can be refined by balancing leather odour intensity through innovative absorber technology. Note de contenu : - The status quo of odour absorbers
- Tailoring odour absorber technology
- Application of odour absorbers in fatliquoring and finishing
- Fig. 1 : Types and grades of odour
- Fig. 2 : Structure of Zn-acylaminoacid
- Fig. 3 : Reduction of skatole intensity by Zn-oleolsarcosinate (blue = 1:5 molar volume, red 1:20 molar volumeEn ligne : https://drive.google.com/file/d/1uELSvQR4JLOq3Y8IhLMeAGjccSzPnufz/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36410
in INTERNATIONAL LEATHER MAKER (ILM) > N° 47 (05-06/2021) . - p. 24-26[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 23010 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Leather with an aroma Type de document : texte imprimé Auteurs : Martin Kleban, Auteur Année de publication : 2002 Article en page(s) : p 69-70 Langues : Anglais (eng) Catégories : Cuir -- Odeurs
Encapsulation
Microcapsules
Parfums
PolyuréthanesIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Leather manufactures will in future be able to supply products which not only feel and look good, but also have an appropriate - and long-lasting - fragrance. The new development consists of tiny (one to ten micrometer) perfume-filled polyurethane microcapsules, which are applied on the leather and release their fragrance when the leather is subjected which is only effective for a limited time, is that long-lasting fragrance effects can be obtained.
This development originated in response to requests from customers for a "typical leather smell". With modern leather tanning and finishing processes the end product has very little inherent odour, and ways were sought to reproduce the characteristic leather smell which end users so often want.Note de contenu : - Aromas to enhance the product
- Micro-encapsulation of perfume
- Release-on-demand fragrance
- Fig. 1 : Manufacture of aroma microcapsules by interfacial polymerisationEn ligne : https://drive.google.com/file/d/1Ns03BMFnOMRUGe4y0CIzRIsmY3eRu9yY/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32214
in WORLD LEATHER > Vol. 15, N° 2 (04/2002) . - p 69-70[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 006177 - Périodique Bibliothèque principale Documentaires Disponible The odor of leather / Michaela Schröpfer in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVIII, N° 3 (03/2013)
[article]
Titre : The odor of leather Type de document : texte imprimé Auteurs : Michaela Schröpfer, Auteur ; M. Czerny, Auteur ; H. Schulz, Auteur ; P. Schieberle, Auteur Année de publication : 2013 Article en page(s) : p. 94-107 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Analyse sensorielle
Chromatographie en phase gazeuse
Composés aromatiques
Cuir
Cuir -- Odeurs
Dilution
Extraction (chimie)
Olfactométrie
Spectrométrie de masseIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Leather has a typical odor that varies depending on the type of leather. Whereas many other materials should preferably be odorless, a typical leather odor is desired. It is an important quality feature. So far the compounds causing the leather odor could not be clearly defined. For this research work, different leathers from different application areas were chosen. Depending on the manufacturing technology the leathers showed different nuances of leather odor. Published herein are the results from analysis of leathers by Gaschromatography-Odorimetry (GC-O), Aroma-extract-dilution analysis (AEDA), Gas chromatography-Mass-Spectrometry (GC-MS) and Stable-Isotope-Dilution-Analysis (SIDA) for identifying and quantifying substances accountable for certain leather odors. Furthermore, it points out from which stages of leather manufacturing the leather odor originates and if it can be influenced. Alternative methods for identification and quantification of substances relevant to odor are discussed regarding their significance. Note de contenu : EXPERIMENTAL :
- Leather selection
- Isolation of volatile substances : Solvent extraction - Headspace extraction - Aroma-extract-diluaion analysis (AEDA) - Aroma-dilution-analysis (ADA)
- Identification of key odorous substances : Capillary gas chromatography/odorimetry (GC-O) - Capillary gas chromatography/mass spectrometry (GC/MS) - Two-dimensional GC/MS (TDGC/MS) - Identification and structure clarification
- Quantification of key odorous substances (SIDA)
- Sensory examination : Triangle tests
- Aroma profile analysis
- Determination of the odor threshold in gelatin
- Simulation of the leather odor
- Sample preparation - Development of rapid tests : Headspace - External enrichment and thermal desorption of volatile compounds - Capillary gas chromatography/mass spectrometry (GC/MS) development of rapid tests
RESULTS :
- Sensory comparison of the leathers examined
- Identification of the odorous substances in leather and their contribution to the odor
- Simulation of the leather odors
- Influence of production processes on the leather odor
- Examination of the influence of leather additives on leather odorous substances
- Development of emission-analytical rapid methods for assessing the leather odorEn ligne : https://drive.google.com/file/d/1NkYrREPt54OGIZelY_YGABedgRUBooCt/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17732
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CVIII, N° 3 (03/2013) . - p. 94-107[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 14787 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : What is the leather smell ? Type de document : texte imprimé Auteurs : Haiko Schulz, Auteur Année de publication : 2011 Article en page(s) : p. 40-41 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuir -- Odeurs
OlfactométrieIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : One of leather's important characteristics is its smell. In contrast to synthetics the leather smell is a desirable feature and regarded as an attribute of authenticity by customers. Michaela Schroepfer and Haiko Schulz, FILK, Freiberg, Germany, and Michael Czerny and Peter Schieberle for the German Research Centre for Food Technology, Freising, carried out research into the smell of five leathers from different applications. Note de contenu : - Odour identification
- Results : Identification - Quantification and aroma valuesEn ligne : https://drive.google.com/file/d/1xv_VhMt0i0IH67_9JRqEobFPHlcipB2W/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11919
in LEATHER INTERNATIONAL > Vol. 213, N° 4814 (09/2011) . - p. 40-41[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 13270 - Périodique Bibliothèque principale Documentaires Disponible