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.

In order to utilize information in the best way, please take note of the SUBSPORTplus methodology on case stories!

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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.

Replacement for hydrofluorocarbon (HFC) gases and hydrocarbons with CO2 for cooling systems

A Danish company has developed a cooling method based solely on CO2 with the support of the Danish environmental protection agency. The environmental benefits are large and the market is promising.

Alternative to formaldehyde as preservative in water samples

A well-known preservative, formaldehyde, is also a carcinogen and a sensitiser. Its use for preserving macroinvertebrates in fresh water samples can be substituted by freezing parts of the samples and using ethanol for the other parts.

Assessment, development and demonstration of alternatives for n-methyl pyrrolidone

This is a report from a project investigating the alternatives to n-methyl pyrrolidone. The investigated uses for the substance are stripping of paint and furniture, precision cleaning, pharmaceutical penetration enhancer and in personal care products. For stripping and precision cleaning a more thorough alternatives assessment including function and cost was performed, while for the pharmaceutical and personal care applications it was only stated that corresponding products exists without having to use this substance. For stripping the suggested alternatives were based on benzyl alcohol and/or acetone, while for precision cleaning organizational changes were suggested.

Improvement in biodegradability and pharmaceutical properties of cytostatics for tumour treatment.

Certain pharmaceuticals including some cytostatics are carcinogenic, mutagenic, teratogenic and fetotoxic. Cytostatics and their metabolites are excreted by patients into waste water. In laboratory testing, the frequently used isomeric anti-tumour agent Ifosfamide was shown to be non- biodegradable. It is not eliminated in municipal sewage treatment plants, and therefore passes into the effluent. Structural modified compounds like Glufosfamide are still active against tumours, and in contrast to Ifosfamide are inherently biodegradable.

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