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Physicochemical Properties Comparative Analysis of Corn Starch and Cassava Starch, and Comparative Analysis as Adhesive

Xiaojian Chen1, Wenrui Yao1, Feifei Gao1, Dingyuan Zheng1, Qiong Wang3, Jun Cao2,*, Haiyan Tan1, Yanhua Zhang1,2,*

1 Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin, 150040, China
2 Postdoctoral Research Station of Mechanical Engineering, Northeast Forestry University, Harbin, 150040, China
3 Wenzhou Polytechnic, Wenzhou, 325000, China

* Corresponding Authors: Jun Cao. Email: email; Yanhua Zhang. Email: email

(This article belongs to this Special Issue: Renewable and Biosourced Adhesives)

Journal of Renewable Materials 2021, 9(5), 979-992. https://doi.org/10.32604/jrm.2021.014751

Abstract

The morphology and properties of corn starch and cassava starch were compared by SEM, DSC and TGA. The effects of amylose and amylopectin content on starch properties were studied by FT-IR, XRD and XPS. The plywood was pressed with the prepared adhesive and the bonding strength of the plywood was tested to analyze the difference among the adhesives from different plant sources and the difference after blending PAPI prepolymer. FT-IR results showed that the hydroxyl peak of cassava starch was stronger and wider. TGA showed that the residue of cassava starch was lower, but the thermal stability of cassava starch was almost the same. XPS data showed that the oxygen content of cassava starch was slightly higher, but the carbon content was slightly lower. SEM analysis showed that corn starch granules were more irregular and sharper than cassava starch, and cassava starch granules were more uniform, regular and round.

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Chen, X., Yao, W., Gao, F., Zheng, D., Wang, Q. et al. (2021). Physicochemical Properties Comparative Analysis of Corn Starch and Cassava Starch, and Comparative Analysis as Adhesive. Journal of Renewable Materials, 9(5), 979–992.

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cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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