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How Stahl is driving sustainability in the beamhouse in INTERNATIONAL LEATHER MAKER (ILM), N° 36 (07-08/2019)  

[article]  inINTERNATIONAL LEATHER MAKER (ILM) > N° 36 (07-08/2019) . - p. 30-31 Titre : How Stahl is driving sustainability in the beamhouse Type de document : texte imprimé Année de publication : 2019 Article en page(s) : p. 30-31 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Biodégradation Certification Cuirs et peaux -- Industrie -- Aspect de l'environnement Développement durable Métabolites Responsabilité environnementale Travail de rivière (cuir) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Do what you've always done and you get what you always got" is a good way of thinking about the challenges facing the leather industry. Because as consumers, brands governments, pressure groups and investors increasingly use sustainability and environmental responsibility to frame their purchasing, regulatory and investment decisions, the leather industry must change. It needs to innovate to ensure that high-quality leather goods become as loved for their environmental responsibility as they are for their look, feel, status, craftmanship and longevity. Note de contenu : - Leather quality up, environmental challenges down - Zeroing in on the beamhouse - 100% biodegradable metabolites - A sustainable tanning solution - Eco-friendlier traditional tanning - Stahl NeoTM certified products En ligne : https://drive.google.com/file/d/1ydWU8NBMt0gd6SMuJ36rht9ZlSzLgLUT/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33440 [article]

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Reading a TDS or MSDS / Karl Flowers in INTERNATIONAL LEATHER MAKER (ILM), N° 36 (07-08/2019)  

[article]  inINTERNATIONAL LEATHER MAKER (ILM) > N° 36 (07-08/2019) . - p. 32-33 Titre : Reading a TDS or MSDS Type de document : texte imprimé Auteurs : Karl Flowers, Auteur Année de publication : 2019 Article en page(s) : p. 32-33 Langues : Anglais (eng) Catégories : Cuir, Travailleurs du Cuirs et peaux -- Industrie Fiches de données de sécurité Fiches techniques Modes d'emploi Produits chimiques -- Sécurité Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The correct reading of a technical data sheet (TDS) or a material safety data sheet (MSDS), often called a safety data sheet (SDS), is overlooked by many tanners. Information about the ingredients that need to be used in the leather making process is critical to the success of the recipe. The misuse of a chemical is easily done, and not all tanneries have the luxury of regular visits by technical sales representatives who can corne in to explain the correct use of the chemical. At the core of the chemical information that is available to the tanner is the data that contains valuable particulars about the use of the product. It is often accompanied by the technical information specific to that product. The data sheets will fall into two categories ; information on a formulation that has one ingredient (very rare in the leather industry, except in the beamhouse), or for a formulation that has a blend of ingredients. Note de contenu : - The technical data sheet (TDS) - Good TDS - Bad TDS - The safety data sheet En ligne : https://drive.google.com/file/d/1j0z98JT4J-GzVR2O0V68ArEFVKkFvTpV/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33441 [article]

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Chromium species and testing (part 1) / Karl Flowers in INTERNATIONAL LEATHER MAKER (ILM), N° 36 (07-08/2019)  

[article]  inINTERNATIONAL LEATHER MAKER (ILM) > N° 36 (07-08/2019) . - p. 40-46 Titre : Chromium species and testing (part 1) Type de document : texte imprimé Auteurs : Karl Flowers, Auteur Année de publication : 2019 Article en page(s) : p. 40-46 Langues : Anglais (eng) Catégories : Chromatographie Colorimétrie Cuir -- Teneur en chrome hexavalent Cuir -- Teneur en chrome trivalent Diphénylcarbazide Essais (technologie) Extraction (chimie) Maroquinerie Matériaux -- Détérioration Spectroscopie d'absorption atomique Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : In this two-part paper the first will look of the basics of chromium and how the different types of chromium are tested. In the second part, more detailed chemistry will be covered to allow greater understanding of this complex subject. Hexavalent chromium, Cr(VI), is not intentionally added to leather during its manufacture. Cr(VI) is formed during poor chromium management (or design) of the process and treatment of the leather articles made of chromium tanned material. A European Union (EU) Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) Annex XV dossier was submitted to the European Chemical Agency (ECHA) on January 19 2012, by Denmark providing evidence that exposure to Cr(VI) through die skin from leather articles posed a risk to human health by inducing an allergic response. Restrictive measures in Europe were requested and die ars Risk Assessment Committee (RAC) and the Committee for Socio-Economic Analysis (SEAC) considered it. The RAC concluded (on November 28 ,2012) that a content in leather of 3 mg/kg (3 parts per million or 0,0003%, by dry weight) of Cr(VI) is expected to be 80% effective in reducing Cr(VI)-related allergic dermatitis. The SEAC agreed (on March 6, 2013) that an EU-wide restriction was appropriate to address the identified risks relative to the socio-economic balance of an enforcement. In March 2014 the new restriction was introduced into REACH Annex XVII and from May 2015 leather articles touching the skin should not be placed on die market when they contain Cr(VI) in concentrations equal in excess of 3 parts per million (ppm). The restriction excludes second-hand articles placed on die market before May 1, 2015. Cr(VI) has been listed on the Californian Safe Drinking Water and Toxic Enforcement Act of 1986 (also known as Proposition 65) since 1988 due to Prop 65's concern over links to cancer, and reproduction/ developmental toxicity. Note de contenu : - Basics of chromium (III) - Trivalent vs. hexavalent - Leathermaking and chromium - Basics of testing - The principle of detection - Titration - Colorimetry with 1-5-diphenylcarbazide - Chromatography - Atomic absorption spectroscopy and inductively couple plasma - Extraction and ageing - Table 1 : Table outlining chromium species - Table 2 : Table outlining chromium test methods En ligne : https://drive.google.com/file/d/11exWkAs3w0VhXb9lrZlkzNM1o55-LFUT/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33442 [article]

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