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Preparation and properties of gluten/calcium carbonate composites |
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| Authors: | Min Zuo Zheng Zheng Lai Yi Hu Song Qiang Zheng |
| Institution: | a Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China;b Department of Chemical Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong;c Key Laboratory of Macromolecular Synthesis and Functionalization of Ministry of Education, Zhejiang University, Hangzhou 310027, China |
| Abstract: | Environment friendly thermosetting composites were prepared by blending wheat gluten (WG) as matrix, calcium carbonate (CaCO3) as filler and glycerol as plasticizer followed by compression molding the mixture at 120 ℃ to crosslink the WG matrix. Morphology observation showed that the CaCO3 particles were finely dispersed in matrix. Incorporation of CaCO3 up to 10 wt% into the composites caused Young's modulus and tensile strength to increase markedly. On the other hand, the moisture absorption and elongation at break decreased slightly. |
| Keywords: | Wheat gluten Calcium carbonate Composites Mechanical properties |
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