Introduction Historical Outline Chemical Structures Occurrence and Functions Properties, Degradation and Biodegradation Degradation and Biodegradation In vitro Biodegradation In vivo Silicone Industry Production of Silicones Main Commercial Silicone Producers Patents Outlook and Perspectives

Biodegradation of various polyorganosiloxanes (about 30 substances) under the influence of several biotype bacteria strain (16 types) were studied. A special procedure of biodegradation and analytical methods of evaluation the degree of degradation were applied. It was found that nearly all polysiloxanes tested are biodegradable but the degree of degradation depends on their composition and structure, as well as on the type of bacteria strain chosen.

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