Impact of glycerol on oil palm trunk starch bioplastics enhanced with citric-acid epoxidized palm oil oligomers

Q1 Environmental Science Case Studies in Chemical and Environmental Engineering Pub Date : 2024-07-05 DOI:10.1016/j.cscee.2024.100839

Habib Hernando , Marpongahtun , Elisa Julianti , Arif Nuryawan , Suci Aisyah Amaturrahim , Averroes Fazlur Rahman Piliang , Muhammad Rafiq Yanhar , Ronn Goei , Nattakan Soykeabkaew , A. Muhammad Afdhal Saputra , Saharman Gea

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Abstract

Biodegradable bioplastics provide a promising solution to mitigate environmental harm from petroleum-based plastics. This study focuses on optimizing bioplastic films made from oil palm trunk starch (OPTS), using glycerol (10, 20, and 30 % v/w) as a plasticizer and modified with citric-acid epoxidized palm oil (CEPO). The bioplastics were formed using the solution casting method and analyzed for morphology, functional groups, diffraction peaks, thermal and mechanical properties, degradation time, and compostability. The optimal conditions were achieved with 30 % glycerol (Sample ST-CEPO-GLY30). The addition of glycerol enhances the thermal and mechanical properties, improves the biodegradability, and compostability of the bioplastics.

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甘油对使用柠檬酸环氧化棕榈油低聚物增强的油棕树干淀粉生物塑料的影响

可生物降解的生物塑料为减轻石油基塑料对环境的危害提供了一种前景广阔的解决方案。本研究的重点是优化由油棕树干淀粉（OPTS）制成的生物塑料薄膜，使用甘油（10%、20% 和 30% v/w）作为增塑剂，并用柠檬酸环氧化棕榈油（CEPO）进行改性。生物塑料采用溶液浇铸法成型，并对其形态、官能团、衍射峰、热性能和机械性能、降解时间和堆肥性进行了分析。30% 的甘油（样品 ST-CEPO-GLY30）达到了最佳条件。添加甘油可提高生物塑料的热性能和机械性能，改善生物降解性和堆肥性。

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