Case story database

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You can use the free text search function to find information in the case story database. Most suitable are: substance name and other substance identifier (EC- and CAS-number). You can refine your search after first entry for sector-, function- and process-categories. The case studies are meant to serve as source of inspiration and ideas for substitution. The alternatives are constantly being developed further. We therefore recommend that you to check in each individual case whether an alternative is suitable for your applications and purposes. If you are aware of any other relevant information that is not mentioned in the current case story, please contact SUBSPORTplus.

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Chemical treatment of rubber, wood, leather or metal which protects, preserves and renews the surface of the material. An alternative to carbon black.

This document describes a process for protecting, preserving and renewing surfaces, especially rubber and other natural and synthetic polymers including wood, leather, painted surfaces and metal. The material to be treated is soaked with an aqueous solution of substituted or unsubstituted dimethylpolysiloxane. This is done in several stages with other solutions such as diethylene glycol and/or glycerine. This treatment reduces the impact of deleterious effects such as ozone, ultraviolet radiation and environmental causes to the appearance of especially rubber parts used for example in automobiles.

Evaluation of halogen-free flame retardants in polypropylene formulations as alternatives to flame retardants containing halogens.

This document concerns an evaluation of several halogen-free flame retardants. The evaluation also presents some new types of flame retardants, which are fully functional, commercially available and cost-efficient alternatives to traditional halogenated flame retardants. The details, strengths and limitations of all alternatives are listed below.

Phase-out of chrome (III) in tanning processes by switching to vegetable based tanning.

The most common method for tanning hides and skin into leather has long been chrome tanning. Chrome is however associated with negative effects both on human health and the environment. A good alternative to chrome based tanning is vegetable tanning using agents such as bark from the mimosa tree.

Ersatz von Chrom (III) durch pflanzliche Gerbmittel

Die gebräuchlichste Methode, Felle und Häute zu Leder zu gerben, war lange die Chromgerbung. Chrom wird allerdings mit negativen Auswirkungen auf die menschliche Gesundheit und die Umwelt in Verbindung gebracht. Eine gute Alternative zur Chromgerbung ist die pflanzliche Gerbung, also Gerbung durch pflanzliche Gerbmittel wie die Rinde der Silberakazie.

Substitution von PVC und Phthalatweichmachern in Teppichrückseiten durch ein Materialgemisch (EcoWorx), dessen Hauptbestandteil ein lebensmittelechtes Polyethylen mit geringer Dichte ist (LDPE).

Ein Teppich besteht aus zwei Hauptelementen, dem Nylonoberflächenflor und der Teppichrückseite. Die Rückseitensysteme stellen eine bedeutende Investition von Materialien, Technologie und Performance dar. Shaw's Ziele waren, den Teppich nach den "Cradle to Cradle" Designprinzipien zu überarbeiten, um gefährliche Stoffe zu eliminieren, und das Recycling des Oberflächenflors und der Teppichrückseite nach Gebrauch zu ermöglichen. Die Verwendung der branchenüblichen PVC-Teppichrücken war mit diesen Zielen nicht vereinbar. Die Ersatzmaterial eingesetzten Rückseiten aus Polyolefin erfüllen alle Preis- und Leistungsansprüchen und ermöglicht es, das Produkt vollständig zu recyclen.

Substitution of PVC and phthalate plasticizer carpet backing by a mixture of materials (EcoWorx) the primary component of which is a food grade low density polyethylene (LDPE).

Carpet comprises two main elements, nylon face pile and backing. Backing systems represent a significant investment in materials, engineering and performance.Shaw’s goals were to re-engineer the carpet following “Cradle to Cradle” design principles to eliminate hazardous chemicalsand to facilitate recycling of the face pile and backing at the end of its life.The use of industry standard PVC backings was incompatible with these goals. The polyolefin replacement backing meets all PVC product and price performance criteria while allowing the product to be fully recycled.

Guidance on alternatives to the flame retardant Pentabromodiphenylether.

Commercial PentaBDE is a brominated flame retardant that is likely to cause significant adverse effects on human health and the environment. Components of c-PentaBDE are widespread in the global environment and poses risks to health and the environment. There are toxicological and ecotoxicological data gaps for the potential alternatives to c-PentaBDE. However, the data available clearly show that there are commercially available alternative flame retardants that are less hazardous than c-PentaBDE.

Eine neue wasserabweisende Oberflächenbehandlung zur Verwendung auf Textilien und anderen faserbasierten Materialien, die keine Fluorcarbone oder Isocyanate enthält.

Fluorcarbon- und isocyanathaltige Mischungen sind seit vielen Jahren zur wasserabweisenden Oberflächenbehandlung von Textilien und anderen faserbasierten Materialien verwendet worden. Heute weiß man, dass sich viele Fluorcarbone (z.B. PFOA) extrem langsam in der Natur abbauen und Hormonstörungen bei vielen Wassertieren auslösen, wohingegen viele Isocyanate giftig für Menschen sind. OC-aquasil™ stellt eine alternative Oberflächenbehandlung für Anwendungen vor, die einen hohen Grad an Abweisung von Wasser oder wasserbasiertem Schmutz verlangen, allerdings ohne Fluorcarbone und Isocyanate.

A new water repellent surface treatment which contain no fluorocarbons or isocyanates, to be used on textiles and other fibre-based materials.

Fluorocarbon and isocyanate containing mixtures have been used for many years as water repellent surface treatments of textiles and of other fibre-based materials. Today it is clear that many fluorocarbons (e.g. PFOA) degrade extremely slowly in nature and cause hormone disruption among many aquatic animals, whereas many isocyanates are toxics to humans. OC-aquasil™ presents an alternative surface treatment for applications where a high degree of repellence towards water and water-based soil is required, but without fluorocarbons or isocyanates.

An alternative to PFC in breathable membranes for textiles.

Arnitel® VT, produced by DSM, is a commercial product specifically designed to have a very high breathability which makes it an alternative to PFC based breathable membranes used in textile applications. Arnitel VT is a thermo plastic co-polyester; halogen and plasticizer free, free of fluor or fluor based components and 100% recyclable. Due to its nature, Arnitel VT also has a carbon footprint which is significantly lower than fluor (PFC) based products.

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