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Information Journal Paper

Title

Evaluating thermal properties and biodegradability of nanocomposites based polylactic acid (PLA) / wood fibers

Pages

  283-292

Abstract

 The paper aims to study differential, dynamic-mechanical and biodegradability analysis of polylactic acid/wood fiber (PLA) composites using three levels of nano-graphene (0. 75, 1. 5 and 3%). In order to mix the materials and to make standard specimens, an internal mixer and press were used. In the analysis of differential polishing calorimeter, the addition of fibers as well as nano-graphene had a positive effect on the glass transition temperature and the degree of crystallinity, which indicates a change from softness and flexibility to hardness and hardness. Dynamic-mechanical analysis has shown that the addition of wood fibers to pure polylactic acid can case an increase in the storage modulus of the composite as the addition of nano-graphene is increased, while the highest value of storage modulus was related to Polylactic acid composites and 30% of fibers. Results of tan δ peak showed that with the presence of wood fibers and nanographene, the temperature was transferred to a higher temperature and the limited movement of molecules due to the improvement of the fiber reaction in the PLA polymer. The results of biodegradability test also showed that the addition of fibers to pure PLA caused a significant increase in the weight loss of the composite. Additionally, nano-graphene to PLA composites decreases with the less weight in composites.

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    • Cite

    APA: Copy

    ASADI, M., BAZYAR, B., HEMMASI, A.H., GHASEMI, I., & TALAEIPOOR, M.. (2021). Evaluating thermal properties and biodegradability of nanocomposites based polylactic acid (PLA) / wood fibers. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 36(3 (76) ), 283-292. SID. https://sid.ir/paper/401230/en

    Vancouver: Copy

    ASADI M., BAZYAR B., HEMMASI A.H., GHASEMI I., TALAEIPOOR M.. Evaluating thermal properties and biodegradability of nanocomposites based polylactic acid (PLA) / wood fibers. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2021;36(3 (76) ):283-292. Available from: https://sid.ir/paper/401230/en

    IEEE: Copy

    M. ASADI, B. BAZYAR, A.H. HEMMASI, I. GHASEMI, and M. TALAEIPOOR, “Evaluating thermal properties and biodegradability of nanocomposites based polylactic acid (PLA) / wood fibers,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 36, no. 3 (76) , pp. 283–292, 2021, [Online]. Available: https://sid.ir/paper/401230/en

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