Abstract
In order to accurately determine the degradation performance of polyolefin-based degradable plastics, the concept of bioassimilated carbon is proposed for the first time in this paper; the bioactive and hydrophilic organic carbon in plastic degradation products is defined as bioassimilation carbon. A method for the detection of the carbonyl index and bioassimilated carbon conversion rate in polyolefin degradable plastics was developed to quickly identify its degradation performance. The measurement results show that the bioassimilated carbon conversion rate of more than 70% can be used to replace the biodegradation rate index to achieve the purpose of quickly identifying the degradation performance of plastics. The deterioration detection cycle proposed by the current common standards implemented in American Society of Testing Materials: ASTM D6400 “Specification for Composting Plastics” can be shortened from 1 year to 1 month. The standard system for catalytic degradation of plastics provides detection methods for polyolefin-based catalytic degradation materials (microplastics), and solves the problems of long detection cycle and poor detection efficiency. Thus, this method has promise for use as a relevant standard method for accurately providing a reference for the assessment.
Funder
Innovation Ability Improvement Project of Science and Technology Smes in Shandong Province
Subject
Polymers and Plastics,General Chemistry
Reference34 articles.
1. In situ degradation of biodegradable plastic mulch films in compost and agricultural soils;Sintim;Sci. Total Environ.,2020
2. Biodegradable Plastics: Standards, Policies, and Impacts;Filiciotto;ChemSusChem,2021
3. Biodegradability of Plastics: Challenges and Misconceptions;Kubowicz;Environ Sci Technol.,2017
4. A review of poly(lactic acid)-based materials for antimicrobial packaging;Tawakkal;J. Food Sci.,2014
5. Lott, C., Eich, A., Unger, B., Makarow, D., Battagliarin, G., Schlegel, K., Lasut, M.T., and Weber, M. (2020). Field and mesocosm methods to test biodegradable plastic film under marine conditions. PLoS ONE, 15.
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