Effect of additive on fracture properties of PLA/PCL polymer blend

Tetsuo Takayama; Mitsugu Todo; Kazuo Arakawa; Hideto Tsuji

doi:10.1299/kikaia.72.173

Effect of additive on fracture properties of PLA/PCL polymer blend

Tetsuo Takayama, Mitsugu Todo, Kazuo Arakawa, Hideto Tsuji

Renewable Energy Center

Research output: Contribution to journal › Review article › peer-review

3 Citations (Scopus)

Abstract

LTI was added to blends of PLA and PCL to improve the immiscibility of the two different kinds of biodegradable polymers. Fracture properties of PLA/PCL and PLA/PCL+LTI were evaluated and compared to assess the effect of LTI additive on the fracture behavior. Both the J-integral at initiation, J_in, and the total fracture energy, J_f, were improved effectively due to LTI addition. Fracture surfaces were also examined using SEM to characterize fracture mechanism. It was confirmed that the size of PCL spherulites became smaller by adding LTI, and therefore void formation was inhibited, resulting in the improvement of the fracture properties.

Original language	English
Pages (from-to)	173-178
Number of pages	6
Journal	Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume	72
Issue number	2
DOIs	https://doi.org/10.1299/kikaia.72.173
Publication status	Published - Feb 2006

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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abstract = "LTI was added to blends of PLA and PCL to improve the immiscibility of the two different kinds of biodegradable polymers. Fracture properties of PLA/PCL and PLA/PCL+LTI were evaluated and compared to assess the effect of LTI additive on the fracture behavior. Both the J-integral at initiation, Jin, and the total fracture energy, Jf, were improved effectively due to LTI addition. Fracture surfaces were also examined using SEM to characterize fracture mechanism. It was confirmed that the size of PCL spherulites became smaller by adding LTI, and therefore void formation was inhibited, resulting in the improvement of the fracture properties.",

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AU - Takayama, Tetsuo

AU - Todo, Mitsugu

AU - Arakawa, Kazuo

AU - Tsuji, Hideto

PY - 2006/2

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AB - LTI was added to blends of PLA and PCL to improve the immiscibility of the two different kinds of biodegradable polymers. Fracture properties of PLA/PCL and PLA/PCL+LTI were evaluated and compared to assess the effect of LTI additive on the fracture behavior. Both the J-integral at initiation, Jin, and the total fracture energy, Jf, were improved effectively due to LTI addition. Fracture surfaces were also examined using SEM to characterize fracture mechanism. It was confirmed that the size of PCL spherulites became smaller by adding LTI, and therefore void formation was inhibited, resulting in the improvement of the fracture properties.

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JO - Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A

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ER -

Effect of additive on fracture properties of PLA/PCL polymer blend

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