Effects of Different Processing Techniques on the Properties of PLA

Hong Juan Zheng; Yan Rong Wang; Zhi Wei Zhao; Lin Qi Zhang

doi:10.4028/www.scientific.net/AMR.550-553.2932

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 550-553Effects of Different Processing Techniques on the...

Effects of Different Processing Techniques on the Properties of PLA

Abstract:

PLA has excellent processing property and good thermal stability, which are closely related to the processing technology, and the general processing temperature can be controlled in 170~230°C. Effects of different processing conditions (internal mixing temperature, internal mixing time and internal mixing speed) on the properties of PLA were discussed. The results show that the mechanical properties and other performance of PLA can be obviously enhanced by internal mixing. Internal mixing time and internal mixing speed have little effects on the performance of PLA, but the internal mixing temperature has obvious effect on the properties of PLA. PLA has the optimum properties when the internal mixing time is 5min, internal mixing speed is 20r/min and internal mixing temperature is 190°C. The spherocrystal size and spherocrystal rate of PLA are influenced strongly by the mixing conditions.

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Periodical:

Advanced Materials Research (Volumes 550-553)

Pages:

2932-2935

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.550-553.2932

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Online since:

July 2012

Authors:

Hong Juan Zheng, Yan Rong Wang, Zhi Wei Zhao, Lin Qi Zhang

Keywords:

Crystallization Property, Internal Mixing Technology, Mechanical Property, Poly(lactic acid) (PLA), Processing Technology

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