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Vol. 26 No. 5 (2014): Vol 26 Issue 5

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3D Simulation of Shrinkage Behaviour of Injection-Molded Poly(lactic acid): Effect of Processing Parameters and Part Thickness

https://doi.org/10.14233/ajchem.2014.17224
Bin Yang
College of Chemistry & Chemical Engineering and Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province, Anhui University, Hefei 230601, Anhui Province, P.R. China
Wenhe Guo
College of Chemistry & Chemical Engineering and Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province, Anhui University, Hefei 230601, Anhui Province, P.R. China
Guojun Cheng
School of Materials Science & Engineering, Anhui University of Science & Technology, Huainan 232001, Anhui Province, P.R. China
Lifen Su
College of Chemistry & Chemical Engineering and Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province, Anhui University, Hefei 230601, Anhui Province, P.R. China
Ru Xia
College of Chemistry & Chemical Engineering and Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province, Anhui University, Hefei 230601, Anhui Province, P.R. China
Jiasheng Qian
College of Chemistry & Chemical Engineering and Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province, Anhui University, Hefei 230601, Anhui Province, P.R. China

Corresponding Author(s) : Bin Yang

yangbin@ahu.edu.cn

Asian Journal of Chemistry, Vol. 26 No. 5 (2014): Vol 26 Issue 5

Abstract

The effects of injection molding processing conditions and part thickness on the shrinkage of injection-molded poly(lactic acid) were analyzed using the Autodesk Moldflow package. It was found that the shrinkage of poly(lactic acid) increases with increasing melt temperature and injection pressure, while the change of other processing parameters (e.g., mold temperature, holding time and cooling time, etc.) exerted limited influence on the shrinkage behaviour of poly(lactic acid). In addition, the shrinkage of thin-walled products was larger than that of thick-walled ones.

Keywords

Poly(lactic acid) 3D simulation Injection molding Shrinkage
Yang, B., Guo, W., Cheng, G., Su, L., Xia, R., & Qian, J. (2014). 3D Simulation of Shrinkage Behaviour of Injection-Molded Poly(lactic acid): Effect of Processing Parameters and Part Thickness. Asian Journal of Chemistry, 26(5), 1337–1340. https://doi.org/10.14233/ajchem.2014.17224
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