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5. Conclusion
Although silicones are generally considered to be stable polymers under their conditions of use, it has been demonstrated that their degradation is possible in certain bio-physico-chemical contexts.
This is particularly the case at the end of their life cycle, when they enter certain recycling and/or waste treatment channels. Silicone degradation takes place in two successive phases, abiotic and biotic. By-products represent a source of carbon for micro-organisms in both aerobic and anaerobic conditions. However, the volatility of some of them prevents their mineralization and leads them to a gaseous compartment (atmosphere, biogas).
The consumption of silicones has been steadily increasing for over 50 years, both domestically and industrially, and it seems necessary to take the measure of their possible impacts on the environment, including...
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Conclusion
Bibliography
- (1) - IUPAC, International Union of Pure and Applied Chemistry - Silanols. - [en ligne] (1997) http://www.goldbook.iupac.org/S05664.html (page consultée le 17 juin 2013)
- (2)...
Websites
CES Centre Européen des Silicones http://www.silicones-europe.com/ (page consulted on June 17, 2013)
Dow Corning, Fascinating Silicone http://www.dowcorning.com/content/discover/ (page consulted on June...
Events
European Silicon Days, MMS Conferencing, international conference on silicon chemistry and technology, held every two years (odd-numbered years). http://www.mmsconferencing.com/
Sardinia symposium, International symposium on waste management and landfill issues, held every two years in Sardinia (odd-numbered years).
Regulations
Directive 67/548/EEC on the approximation of laws, regulations and administrative provisions relating to the classification, packaging and labeling of dangerous substances
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Bluestar Silicones http://www.bluestarsilicones.com/
Evonik http://www.evonik.com/
Dow Corning http://www.dowcorning.com/
...
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