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Haifeng Tian corresponding author
Peng Gao
Haizhou Tian
Fei Zha
Zengjun Wang
Xiaojun Guo
Xiaohua Tang
Yue Chang


Composite materials were prepared with palygorskite-gypsum associated ore, modified corn starch and corn stalk as raw materials, glycerin as plasticizer, ammonium persulfate as initiator, KH-560 as organosilane coupling agent and linseed gum as adhesion promoter. Tensile strength, flexural resistance and compressive strength were used as the evaluation criteria to investigate the optimal ratio of composite material. The effect of the content of palygorskite-gypsum associated ore and glycerol, the ratio of modified starch to corn stalk as well as the ratio of initiator to coupling agent on the mechanical properties was investigated. Composite materials were characterized by means of SEM, FT-IR, XRD and TG/DTG. The impact on the environment of composite material was evaluated via measuring the degradation and bacteriostatic properties. The degradation rate of the composite reached 52.7% when the degradation time was 42 d and the composite had a good antibacterial property.

palygorskite-gypsum associated ore, corn stalk, corn starch, degradation, bacteriostatics

Article Details

Supporting Agencies
This work was financially supported by by the Young Teacher Research Group Foundation of Northwest Normal University (NWNU-LKQN-18-21) and the National Science Foundation of China (No. 21865031).
How to Cite
Tian, H., Gao, P., Tian, H., Zha, F., Wang, Z., Guo, X., Tang, X., & Chang, Y. (2022). Synthesis of an eco-friendly composite of palygorskite-gypsum associated ore using corn starch and waste biomass. Materials Engineering Research, 3(1), 175-186.


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