Environmentally degradable materials based on multicomponent by Cornelia Vasile

By Cornelia Vasile

This ebook is a whole advisor to the topic of biodegradable fabrics in keeping with multi-component polymeric structures, almost always comparable to hydrogels, and interpenetrating polymeric networks.

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3. 4. 5. 6. 7. 8. 4 CHAPTER ONE Summary of the main ISO standard tests for degradable materials and degradability. ISO standard tests on degradable plastics ISO number Test method r r r r ISO 846-78 ISO/DIS 14851 r r r r r ISO/DIS 14852 ISO/CD 14853 ISO/DIS 14855 ISO-TC61/SC5 N 5025 ISO-TC61/SC5 N 5026 ISO/CD 15985 ISO/CD 15986 r r r r r r r r r Behavior under the action of fungi and bacteria Visual examination or change in mass/physical properties. Ultimate aerobic biodegradability in an aqueous medium; Determining the oxygen demand in a closed sespirometer (TC61/SC5 N 798) Ultimate aerobic biodegradability in an aqueous medium; Method by analysis of released carbon dioxide Ultimate anaerobic biodegradation in an aqueous system; Analysis of carbon conversion to CO2 and CH4 ; Ultimate aerobic biodegradability and disintegration under controlled composting conditions; Method by analysis of released carbon dioxide.

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