'Anti'-finish automotive leather - vision and contradiction / Brigitte Wegner in LEATHER INTERNATIONAL, Vol. 213, N° 4812 (07/2011)  

[article]  inLEATHER INTERNATIONAL > Vol. 213, N° 4812 (07/2011) . - p. 38-40 Titre : 'Anti'-finish automotive leather - vision and contradiction Type de document : texte imprimé Auteurs : Brigitte Wegner, Auteur ; Gerhard Wolf, Auteur Année de publication : 2011 Article en page(s) : p. 38-40 Langues : Anglais (eng) Tags : 'Cuir  automobile'  'Concept  anti-finition'  Antibruit  'Anti-salissant'  Anti-abrasion  'Anti-vieillissement'  'Anti-hydrolyse'  'Anti-émission  CO2' Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Car manufacturers have been paying increasing attention to automotive interiors in recent years because they are seeking to distance themselves from their competitors and to create a specific image for their brand. Consumers are encouraged to treat the interior of their vehicles like their own living room, with an individual design and high standards of comfort and serviceability. As many different materials are used in automotive interiors leather is in competition with textiles, synthetics, Alcantara etc. The question here is what distinghuishes leather from other materials, and the sample answer is the natural feel and natural appearance. It is this feature that is primarily responsible for leather's image as a luxury, premium-grade material. Leather will have to retain its natural character if it is to defent its position in the market, but this conflicts with the market's demands for other features such as resistance to abrasion, etc. BASF's 'anti-finish concept for automotive interiors is an approach that makes it possible to pursue a long-term vision for automotive leather while, at the same time, fulfilling the short-term demands of original equipment manufacturers (OEMs). In finishing, the aim must always to be retain the natural character of the leather, ideally by dispensing with the finish altogether or, at least, by reducing the amount of finish or making it invisible. The underlying premise is that applying less finish or 'anti'-finish adds more value to the leather. These demands are certainly not easy to satisfy, but they represent the current trend in the market for automotive leather in Europe and increasingly in North America and Asia. The goal of the leather industry has to be to develop 'anti'-finishes that will maintain and enhance the image of leather as a premium quality material. Improved seating comfort, a better feel and visual appearance are important arguments. Manfuacturers along the whole leather value chain should have a vital interest in developing this 'anti-finish' concept for automotive interiors. But as well as pursuing a long-term vision, manufacturers also need to pay attention to the short-term, daily demands of the OEMs. Apart for the visual appearance and feel of the leather, most demands concentrate on physical fastness and serviceability. These demands can be summarised under the prefix 'anti', ie anti-squeak, anti-soiling, anti-hydrolysis and anti-abrasion. As shown in figure 2, this can be further extended and ecological demands can also be illustrated with 'anti' terms like anti emission, anti-RSL (restricted substance list), anti-CO2 and anti-deforestation. Anti-finish concept can be applied flexibily according to what is demanded. There is often no ideal solution but at least it illustrates the problems and unresolved issues and makes a solution easier to find. Note de contenu : - Anti-squeak - Anti-soiling - Anti-abrasion - Anti-ageing and anti-hydrolysis - Anti-emission En ligne : https://drive.google.com/file/d/1Q7YjCP0O9ZOIarH1UojiLFHIyToQTbJ6/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11932 [article]

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Covalent fixation of drum dyes on collagen / Gerhard Wolf in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CII, N° 3 (03/2007)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CII, N° 3 (03/2007) . - p. 93-98 Titre : Covalent fixation of drum dyes on collagen Type de document : texte imprimé Auteurs : Gerhard Wolf, Auteur ; Harald Kiesow, Auteur ; Laszlo Somogyi, Auteur Année de publication : 2007 Article en page(s) : p. 93-98 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Covalent fixation of performance chemicals on various substrates of natural or synthetic origin is a well-known and thoroughly investigated principle since decades. Taking a deeper look into the literature of collagen, though, there are only a few examples found to this topic. Immobilisation of process chemicals is of great importance for leather as well. Especially dyes play a crucial role, since their mobility within the substrate matrix my lead to visible staining of other materials upon contact. In order to meet these challenges in leather manufacturing a new dyeing concept has been developed: covalent fixation of drum dyes to the collagen fibre. The dyes react with collagen under mild alkaline conditions at moderately elevated temperatures, thus reaching a fixation rate of above 95%. Due to the fact that only covalently fixed dye molecules remain in leather, unprecedented fastness properties are achieved even on leather dyed to very deep shades. En ligne : https://drive.google.com/file/d/1p_vfblOOzZvNwx4dqML7Vp18KB7iCr0r/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3365 [article]

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Formaldehyde in leather - a survey / Gerhard Wolf in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCVII, N° 11 (11/2002)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. XCVII, N° 11 (11/2002) . - p. 456-464 Titre : Formaldehyde in leather - a survey Type de document : texte imprimé Auteurs : Gerhard Wolf, Auteur ; S. Huffer, Auteur Année de publication : 2002 Article en page(s) : p. 456-464 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure En ligne : https://drive.google.com/file/d/1w9MlZdglxLz4GbbgM_h0mqrQDxpQkexc/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4246 [article]

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New developments in wet white tanning technology / Gerhard Wolf in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCVI, N° 4 (04/2001)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. XCVI, N° 4 (04/2001) . - p. 111-119 Titre : New developments in wet white tanning technology Type de document : texte imprimé Auteurs : Gerhard Wolf, Auteur ; G. Igl, Auteur ; J. Carle, Auteur ; M. Breth, Auteur Année de publication : 2001 Article en page(s) : p. 111-119 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675.2 Préparation du cuir naturel. Tannage En ligne : https://drive.google.com/file/d/1itT0lLribNK89wOrM6vIlB_tBONmi4XK/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4385 [article]

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Sustainable automotive leather production / Gerhard Wolf in LEATHER INTERNATIONAL, N° Hors série (01-02/2013)  

[article]  inLEATHER INTERNATIONAL > N° Hors série (01-02/2013) . - p. 8-10 Titre : Sustainable automotive leather production Type de document : texte imprimé Auteurs : Gerhard Wolf, Auteur ; Brigitte Wegner, Auteur Année de publication : 2013 Article en page(s) : p. 8-10 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuir dans les automobiles Cuirs et peaux -- Finition Durée de vie (Ingénierie) Travail de rivière (cuir) Index. décimale : 675 Technologie du cuir et de la fourrure En ligne : https://drive.google.com/file/d/1uz9ubfvcV0wDyF2NHbmvYDbtqmw31y4R/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17228 [article]

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