Preparation and characterization of bio-based green renewable composites from poly(lactic acid) reinforced with corn stover

被引:18
|
作者
Guo, Jipeng [1 ]
Tsou, Chi-Hui [1 ,2 ,3 ,4 ,5 ,6 ]
De Guzman, Manuel Reyes [1 ,4 ,5 ]
Wu, Chin-San [7 ]
Zhang, Xuemei [1 ]
Chen, Zhujun [1 ]
Wen, Yi-Hua [1 ]
Yang, Tao [1 ]
Zhuang, Yong-Jie [1 ]
Ge, Feifan [1 ]
Chen, Zhijun [1 ]
Wang, Zhaohua [1 ]
机构
[1] Sichuan Univ Sci & Engn, Sch Mat Sci & Engn, Mat Corros & Protect Key Lab Sichuan Prov, Zigong 643000, Peoples R China
[2] Sichuan Yibin Plast Packaging Mat Co Ltd, Yibin 644007, Peoples R China
[3] Sichuan Golden Elephant Sincer Chem Co Ltd, Meishan 620010, Peoples R China
[4] Sichuan Zhixiangyi Technol Co Ltd, Chengdu 610051, Peoples R China
[5] Sichuan Zhirenfa Biotechnol Co Ltd, Zigong 643000, Peoples R China
[6] Chulalongkorn Univ, Dept Mat Sci, Ctr Excellence Text, Fac Sci, Bangkok 10330, Thailand
[7] Kao Yuan Univ, Dept Appl Cosmetol, Kaohsiung Cty 82101, Taiwan
关键词
Poly(lactic acid); Corn stover; Composite; Biological filler; Tensile property; MECHANICAL-PROPERTIES; POLYLACTIC ACID; TENSILE PROPERTIES; POLYMER BLENDS; BAMBOO; FIBER; COMPATIBILIZATION; ANTIBACTERIAL; KENAF; FILMS;
D O I
10.1007/s10965-021-02559-1
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Poly(lactic acid) (PLA)/corn stover (CS) composites were prepared by melt blending different proportions of PLA and added CS. PLA was grafted with acrylic acid to improve the compatibility of the matrix with CS. PLA-g-AA interacted well with CS, resulting in a denser composite material with relatively satisfactory hydrophobic properties. The barrier and mechanical properties of composites were studied, and it was found that the barrier and mechanical properties of PLA-g-AA/CS composite materials were significantly improved, especially those with 30 wt% CS provided better tensile properties and elongation at break. The structure at the tensile section of the composite material was observed using SEM. The proper amount of CS had better dispersion in the matrix, and PLA-g-AA could further improve the interfacial bonding force. The crystallization and thermal properties of the composites were analyzed using XRD, DSC, and TGA, and the effect of the CS content on the crystallinity of composites was also studied.
引用
收藏
页数:15
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