31st International Union of Leather Technologists and Chemists Societi... [premium content]
The XXXI IULTCS Congress held in Valencia, Spain, in September attracted almost 280 people from 28 countries. A total of 51 lectures were given during the three-day event and a total of 53 poster displays were shown.
World Leather - Dec/Jan 2011
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Relationships in the formation of hexavalent chrome [Cr(VI)] (Part 2) [premium content]
Leder Institute Reutlingen (LGR) has examined the occurrence of toxic materials in a variety of chrome leathers and leather articles for many years. The Health & Safety department of the German government has shown that some leather goods - such as gloves, shoes and watchstraps - which come into intimate contact with the skin, can contain Cr(VI) in significant quantities. The federal authority has decided in Section 18 of the Consumer Regulations(1) to prohibit Cr(VI) detection limits of the analytical procedure above 3 mg/kg for leathers in daily use.
World Leather - Dec/Jan 2011
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EasyWhite Tan leather: A tanning evolution [premium content]
This paper describes a new white tanning system from Clariant for leathers suitable for automotive, shoe upper and other classic leather types. The absence of common salt as normally used in the pickle stage has significant implications within clean technology and the wider environment.
World Leather - Feb/Mar 2011
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Elements in the leather industry: Part 2 [premium content]
The elements of the periodic table have a diverse and
interesting history. This article will attempt to bring
some richness to the elements that are used or are present
in the manufacture of leather or the treatment of its waste.
World Leather - 04 - June/July 2008
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Elements in the leather industry (Part 1) [premium content]
A paper outlining the importance of chemical elements in leather production.
World Leather - 03 - May 2008
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Companies act to keep chromium VI out [premium content]
The problem of chromium VI does not appear to go away, and is being taken very seriously by fashion groups, especially those selling children's footwear. When health matters – and especially children's health – are considerations, any concerns of the consumer will be driven by what is perceived as opposed to any technical debate. This article is based on a presentation given in World Footwear Jan/’Feb 2008, and is a timely reminder to the industry that vigilance remains of extreme importance.
World Leather - 03 - May 2008
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The Colombian leather sector: A renaissance banquet of feast and famin... [premium content]
The basis of the Renaissance was the willingness of people
to adopt technology and concepts from other cultures.
The Colombian leather sector, while very traditional, nevertheless still has a positive Renaissance outlook. Since there has been a very deep relationship between cattle ranching and leather, these facts can help explain the character of the leather sector.
World Leather - 01 - Feb/Mar 2008
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Improving the traditional vegetable tanning process [premium content]
Vegetable tanned leathers are typical of the high-quality
leathers produced within the tanning district of Santa
Croce sull’Arno, Italy. This is the oldest and most classic
type of leather, combining the values of quality and tradition.
To safeguard and improve these traditional leathers, it is
recognised that the tanning industry not only needs to pay more
attention to the process, but also employ new technologies to
guarantee better production constancy.
World Leather - 01 - Feb/Mar 2008
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A new aqueous transfer coating system for splits [premium content]
Transfer coating of splits is a well-known and established
process in leather finishing. The physical properties and
the optical advantages are significant. At present the stateof-
the-art technology is solvent-based systems, applied either via
spraying technology or with rollers and doctor blades onto
silicone matrices. These matrices have to be made individually
and, because of the sensitivity, have to be handled and stored very carefully.
World Leather - 01 - Feb/Mar 2008
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Back to Basics: A Framework for Leather Manufacture - Essay 22 [premium content]
Leather drying and conditioning: Paste drying
World Leather - 08 - Dec/Jan 2007
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