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http://dx.doi.org/10.20909/kopast.2021.27.3.169

Effects on the Tensile Strength and Discharge Volume of the White Biodegradable Plastic film added Compatibilizer  

Han, Jung-gu (AU Ltd. Chemical Engineering & Biotechnology)
Park, Seung Joon (Korea Polytechnic University)
Li, Fanzhu (Dept. Food Sci. & Eng. of Yanbian Uni.)
Park, Hyung Woo (Korea HMR Association)
Publication Information
KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY / v.27, no.3, 2021 , pp. 169-174 More about this Journal
Abstract
Today, plastic waste has become a critical social issue due to the increasing of plastic consumption. Korean annual per capita plastic consumption was 132 kg, the most plastic consuming country in the world. Internationally, Carbon Neutral Agreement is underway due to global warming, consumers' interest and needs for biomass-based plastics has also been increased. In this study, film was produced by adding composite use additives to the biomass-based plastics according to concentration, and the resulting changes in discharge volume, melt index, and tensile strength were investigated. Melt index (MI) was significantly higher in PLA and PBAT than in petroleum-based resin LLDPE and LDPE. Also, among the same resin or in the same treatment group, MI has been increased when the heating temperature is increased. The discharge volume and gravity of the BDP-2 to which 4% compatibilizer was added were found to be higher among all treatments, while the tensile strength of MD and TD was also higher. BDP-2 was suitable to the film producing methods for biodegradable film production.
Keywords
Biodegradable film; compatibilization; discharge volume; melt index;
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