The synergy of maize straw cellulose and sugarcane bagasse fibre on the characteristics of bioplastic packaging film

Q1 Environmental Science Bioresource Technology Reports Pub Date : 2024-12-01 DOI:10.1016/j.biteb.2024.102007

Gerald Nyerere , Susan Kyokusiima , Resty Nabaterega , Godias Tumusiime , Chrish Kavuma

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Abstract

This study investigated the effect of cellulose from maize straw and fibre from sugarcane bagasse on the production and characteristics of bioplastic films. Bioplastic films were developed based on varying ratios of cellulose to fibre, including 100:0, 75:25, 50:50, 25:75, and 0:100. The bioplastics' physical, mechanical, biological, thermal, and Fourier Transform Infrared properties were evaluated. The findings depicted a ratio of 75:25 as the best bioplastic film with desirable characteristics for food packaging. This bioplastic (75:25) was slightly moist and had the lowest water absorption (33 %), low moisture content (16 %), lowest water vapour permeability (0.14 g mm/h m² mmHg), highest tensile strength (3.8 MPa), and highest soil biodegradability potential. The bioplastic also exhibited good thermal gravimetric properties which are essential if the bioplastic is to be used for packaging food. The study highlights the potential of using agricultural residues to create sustainable packaging material.

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玉米秸秆纤维素和甘蔗渣纤维对生物塑料包装薄膜特性的协同作用

研究了玉米秸秆纤维素和甘蔗渣纤维对生物塑料薄膜生产及其特性的影响。生物塑料薄膜是根据纤维素与纤维的不同比例开发的，包括100:0、75:25、50:50、25:75和0:100。对生物塑料的物理、机械、生物、热学和傅里叶变换红外性能进行了评价。研究结果表明，75:25的比例是最佳的生物塑料薄膜，具有理想的食品包装特性。该生物塑料（75:25）略湿润，吸水率最低（33%），含水率低（16%），水蒸气渗透性最低（0.14 g mm/h m2 mmHg），抗拉强度最高（3.8 MPa），土壤生物降解潜力最高。生物塑料还表现出良好的热重量性能，如果生物塑料用于包装食品，这是必不可少的。这项研究强调了利用农业残留物创造可持续包装材料的潜力。

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