Case story database

Search for Successfully Implemented Alternatives

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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Fire resistant composition in particular for energy or telecommunication cables.

The substitution originates from a patent registration filed in 2006 concerning the substitution of different halogenated polymers used as flame retardants with non-halogen thermoplastics with cork as a fire retardant filler. By mixing in cork in the composition the heat release rate for the polymers decreased significantly, resulting in a more flame resistant material.

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.

Different ways to reduce the amount of halogenated flame retardants in electronics.

This document relates a study of how different corporations such as Apple, Sony Ericsson and Seagate have proceeded with eliminating PVC and halogenated flame retardants from their products. A few examples from the study will be described in this case story.

Fire-resistant and flame proof coating for polymeric thermoplastics and thermoset resins.

A surface coating consisting of fire retarding and smoke suppressing constituents dispersed in an essentially non-toxic, water based adhesive binder. The entire invention therefore consists of six different functional groups which respective functions will be explained below, the different groups are: catalyst/initiator, expendable graphite, source of carbon which additionally forms water, a blowing agent, cement and ceramics.

Polyvinyl chloride (PVC) Power Cord Alternatives

Polyvinyl chloride (PVC) has been targeted for replacement in electronic products because of concerns about the environmental and human health impacts associated with the disposal of PVC wires and cables. Thermoplastic elastomers (TPEs) are a class of potential alternatives to PVC. TPEs are inherently flexible, which can eliminate the need for phthalate plasticisers; however, they require an added flame retardant to meet regulatory requirements. To ensure that the replacements for PVC have a lower adverse impact to human health and the environment, potential replacement materials were evaluated using an integrated approach that incorporates a comparative chemical hazard screening step based on the GreenScreen for Safer Chemicals [http://www.cleanproduction.org/greenscreen.php], a framework developed by the non-governmental organisation Clean Production Action.

Substitution bromierter Flammschutzmittel durch nicht halogenierte Alternativen unter Verwendung der GreenScreen™ for safer chemicals Methode zur Bewertung von Alternativen

HP arbeitet daran, bromierte Flammschutzmittel (BFRs) in neuen Produkten stufenweise zu ersetzen, die bisher noch bromierte Flammschutzmittel enthalten. Um zu bewerten, ob die im Handel erhältlichen Alternativen zu BFRs weniger negative Einflüsse auf Gesundheit und Umwelt haben, wurde eine integrierte Bewertungsmethode für die Analyse der möglichen Ersatzprodukte entwickelt. Dieser integrierte Ansatz beinhaltet ein vergleichendes Screening chemischer Gefahren, das auf einem Tool namens Green Screen™ for safer Chemicals [http://www.cleanproduction.org/greenscreen.php] basiert, einem von der Nicht-Regierungsorganisation Clean Production Action entwickeltes System. Dieses Fallbeispiel stellt den integrierten Ansatz bei der Suche nach geeigneten Alternativen zu BFRs vor.

Substitution of brominated flame retardants with non-halogenated alternatives using the GreenScreen™ for safer chemicals alternatives assessment tool.

HP is working to phase out brominated flame retardants (BFRs) in new products that currently contain BFRs. To evaluate whether commercially available alternatives to BFRs have a lower adverse impact to human health and the environment, an integrated assessment approach was developed for analysing potential replacements. This integrated approach incorporates a comparative chemical hazard screening step based on a tool called the GreenScreenTM for Safer Chemicals [http://www.cleanproduction.org/greenscreen.php], a framework developed by the non-governmental organisation Clean Production Action. This case study examines the integrated assessment approach in the search or suitable alternatives to BFRs.

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.

A wood treatment product completely free from heavy metals, halogenated and phosphorus compounds. Gives flame retardant properties and protects against rot fungus.

In order to protect wooden material against rot-fungi, biocides such as copper, chromium and arsenic, are commonly applied through vacuum-pressure impregnation. These biocides affect not only rot-fungus, but most living creatures being close to the treated material. OrganoWood is a wood-treatment product, completely free from biocides, that renders the wood inaccessible for rot fungi by binding to the surface of the wood fibres. OrganoWood also confers good flame retardant properties to the treated wood without use of halogenated and phosphorus containing compounds.

An alternative engineering plastic completely free from brominated flame retardants, PVC and plasticizers for electronics.

Stanyl® ForTii, produced by DSM, is an engineering plastic completely free of halogens, BFR´s (brominated flame retardants), PVC, red Phosphorus and plasticizers. The applications of the plastic are mainly in components for electronics, such as connectors and sockets, relays and semiconductor packages.Although this engineering plastic is free from any brominated or chlorinated flame retardants, it possesses equally good flame retardancy, as well as chemical and temperature resistance.

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