Akademik Veri Yönetim Sistemi
38th International Conference of The Polymer Processing Society - PPS-38, Sankt Gallen, İsviçre, 22 - 26 Mayıs 2023, ss.473
The legal directives of the European Union have given importance to the concept of sustainability in every aspect. Especially in packaging industry, plastic waste has become one of the most important problems in the world. Therefore, biodegradable polymers prefer instead of non-biodegradable synthetic polymers made from fossil fuels cause environmental pollution. Thermoplastic starch is one of the most remarkable biopolymers due to its potential low-cost, biodegradable/compostable, and abundant availability in nature. Biodegradable/compostable polymers because of its nature have weak properties compare with synthetic polymers. The aim of this study, cassava/tapioca and rice starch based antimicrobial packaging films are produced in presence of sorbitol as a plasticizer, milk protein and carrageenan as co-biopolymers by using solvent casting method in according to experimental parameters which are consisting of film forming temperature, time, plasticizer ratio by using central composite design program. The native cassava/tapioca and rice starch are plasticized in presence of the ratio 25-40 phr of sorbitol to determine best experimental condition for packaging film. The maximum 5 phr ratios of milk protein and carrageenan are incorporated into thermoplastic cassava/tapioca and rice starch-based film to improve barrier and mechanical properties of the films, respectively. After obtaining best option for films, the ratio 1-3 phr of lignin grades are incorporated into film to achieve improvement of strength. At final stage, e-polylysine and nisin are added into cassava/tapioca and rice starch-based films as antimicrobial agents. In this study, comparison of different starch source, the performance of cobiopolymers,
and different ratio of lignin and it’s the effect on formation of antimicrobial packaging
films will be investigated.