Mechanical Properties of P34HB/PLA Binary Blendsafter Thermal-Oxidative and Hydrothermal Aging

Wen Can Xi; Hong Mei Kang; Hua Li; He Zhou Liu; Wei Jie Wang; Lu Hua Zhong; Guan Yue Tan; Xiao Ping Lan

doi:10.4028/www.scientific.net/AMR.647.798

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 647Mechanical Properties of P34HB/PLA Binary...

Mechanical Properties of P34HB/PLA Binary Blendsafter Thermal-Oxidative and Hydrothermal Aging

Abstract:

Binary blendscomposed of polyhrdroxyalkanoates (P34HB) and poly(lactic acid) (PLA) with various P34HB weight percentage were preparedby extrusion and compressing molding.Both the thermo-oxidative agingat 80°Cand the hydrothermal aging at 80°C with 80% humidity were performed for 300 h for the P34HB/PLA blends respectively.The mechanical properties of tensile strength and elongation-at-breakrevealed that P34HB/PLA blends possessedthe balanced mechanical properties between P34HB and PLA,theblends with higher ratio of P34HBshowed thedeteriorative mechanical behavior in the aging environment faster than thoseblends with lower ratio of P34HB.

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Periodical:

Advanced Materials Research (Volume 647)

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798-801

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.647.798

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Online since:

January 2013

Authors:

Wen Can Xi, Hong Mei Kang, Hua Li, He Zhou Liu, Wei Jie Wang, Lu Hua Zhong, Guan Yue Tan, Xiao Ping Lan

Keywords:

Blend, Hydrothermal Aging, Mechanical Property, P34HB, PLA, Thermal-Oxidative Aging

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