Biodegradable copolymer-based composites made from straw fiber for biocomposite flowerpots application
文献类型： 外文期刊
作者： Sun, Enhui 1 ; Liao, Guangfu 3 ; Zhang, Qian 4 ; Qu, Ping 2 ; Wu, Guofeng 1 ; Huang, Hongying 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Circular Agr Res Ctr, Nanjing 210014, Jiangsu, Peoples R China
2.Jiangsu Agr Waste Treatment & Recycle Engn Res Ct, Nanjing 210014, Jiangsu, Peoples R China
3.Sun Yat Sen Univ, Sch Mat Sci & Engn, PCFM Lab, Guangzhou 510275, Guangdong, Peoples R China
4.Dynea Nanjing Chem Co Ltd, Nanjing 210014, Jiangsu, Peoples R China
关键词： Straw fiber; Biodegradable copolymer; Degradation property; Carbon dioxide emissions
期刊名称：COMPOSITES PART B-ENGINEERING （ 影响因子：9.078； 五年影响因子：8.234 ）
ISSN： 1359-8368
年卷期： 2019 年 165 卷
页码：
收录情况： SCI
摘要： Biodegradable copolymer-based composites produced from straw fiber (SF) with hydrolyzed soybean protein isolate/urea/formaldehyde (HSPI/U/F) copolymer-based adhesive for biocomposite flowerpots (BFP) application was presented in this work, and molecular structure, morphology, biodegradability and microbial population of the resulting materials were also investigated. FTIR and SEM results indicated that the copolymer resin have been successfully prepared. The prepared BFP showed good biodegradation, and the introduction of HSPI increased the degradation rate of BFP, which was nearly 50% at 24 months. After 30 days of controlled composting, the CO2 release accumulation of BFP could reach 24 g. During the process of BFP degradation, the number of bacteria and fungi on the surface was higher than that of actinomyces, indicating the bacteria and fungi selectively accumulated on the BFP composites surface to accelerate its degradation. At the same time, nitrate ion could also be formed by nitrobacteria, which promoted plant growth. There is no doubt that the obtained biodegradable copolymer possessed great potential for BFP application.
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