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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Analýza biodegradability plastových materiálů v laboratorních a reálných podmínkách kompostování
 Zloch, Jan
This thesis is focused on biodegradable or compostable plastics. Focuses on their pro-perties and uses. The work also clarifies the concept of biodegradable and compostable plastic. The work also describes the process of composting and concepts associated with it. Finally, there are several chapters devoted to the normative environment that relates to biodegradable plastics in the thesis. There are connected researches concerning the verification of the degree of degra-dation of plastics known as compostable, biodegradable and 100% compostable, in the last few chapters. There were conducted simultaneously two experiments of disintegration selected samples of biodegradable plastics. The tests of disintegration in the laboratory and in real conditions of composting were founded in March 2014 for a period of three months. There was founded a phytotoxicity test after the expiry of the time allotted in the laboratory. In a real conditions the study time was increased to 12 months. After evaluating and comparing the results of both tests disintegration may be allowed the use of biodegradable plastics in composting under controlled condi-tions. Conversely, in real conditions of home composting these plastics can not be re-commended, does not decompose.
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