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Development, physical‐chemical properties, and photodegradation of pectin film reinforced with malt bagasse fibers by continuous casting
Journal of Applied Polymer Science ( IF 3 ) Pub Date : 2020-03-23 , DOI: 10.1002/app.49178
Juliana Farinassi Mendes 1 , Laís Bruno Norcino 2 , Anny Manrich 3 , Ana Carla Marques Pinheiro 4 , Juliano Elvis Oliveira 5 , Luiz Henrique Capparelli Mattoso 3
Affiliation  

This work aims to develop composite films from renewable sources and to use a residue from the brewing industry, malt bagasse, as a reinforcing agent. The composites were prepared with 0–15 wt%/wt% of malt bagasse, using the continuous casting process. All films were characterized in terms of their microstructure, physicochemical, mechanical, and photodegradation properties. The properties of the films were influenced by the concentration variation of the malt bagasse fiber, allowing the deformation of the films to increase by approximately 57%. The incorporation of 15 wt%/wt% of malt bagasse provided a reduction in the water vapor transmission rate and in the hygroscopicity of the pectin films. However, the fibers acted as UV light blockers, making it difficult to photodegradate the films. Therefore, the composite films based on pectin and malt bagasse presented adequate properties to be used in the packaging industry.

中文翻译:

麦芽蔗渣纤维增强的果胶膜的连续流延发展,光化学性能和光降解

这项工作旨在利用可再生资源开发复合薄膜,并使用酿造业的麦芽蔗渣残渣作为增强剂。使用连续铸造法,以0-15 wt%/ wt%的麦芽蔗渣制备复合材料处理。所有膜均根据其微结构,理化,机械和光降解特性进行表征。麦芽蔗渣纤维的浓度变化影响了薄膜的性能,使薄膜的变形增加了约57%。麦芽蔗渣的15wt%/ wt%的掺入降低了水蒸气透过率和果胶膜的吸湿性。然而,纤维充当紫外线阻隔剂,使得难以光降解膜。因此,基于果胶和麦芽蔗渣的复合膜具有足够的性能,可用于包装工业。
更新日期:2020-03-23
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