Ngày nhận bài: 03-07-2025
Ngày xuất bản: 03-07-2025
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Cách trích dẫn:
PAPER SHEETS MADE FROM SUGARCANE BAGASSE AND LEMONGRASS BY-PRODUCTS: SYNTHESIS AND PROPERTIES
Từ khóa
Biodegradability, lemongrass, optimization, paper sheet making, sugarcane bagasse, tensile strength
Tóm tắt
Plastic single-use packaging is one of the largest contributors to plastic pollution in Vietnam as well as in many other countries. Alternative materials, especially materials derived from natural and renewable sources, should be developed to solve this global issue. In this study, we aimed to investigate the synthesis and properties of packaging paper sheets from sugarcane bagasse and lemongrass by-products. The delignification of the biomass was implemented at different NaOH/biomass ratios and hydrolysis times while the paper making process was studied at various sugarcane bagasse/lemongrass ratios and different amounts of glycerol and starch additives. The obtained paper sheets were then tested for their mechanic properties and water absorption through ASTM (American Society for Testing and Materials) procedures, and the biodegradability by scanning electron microscopy (SEM). The results showed that the paper sheets at the optimized conditions had low thickness (0.3mm), density (0.4 g cm-3), and water absorption but high tensile strength (19 N mm-2) and flexural modulus (17 N). These properties and their biodegradability suggest that the paper sheets could potentially be used in packaging.
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