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. 2006 Apr;23(2):375-8.

[A study on the mechanical properties of poly-D,L-lactic acid/hydroxyapatite compound fibers]

[Article in Chinese]
Tao Wan  1 , Shipu Li, Yuhua Yan, Wengjuan Zhou, Li Jia, Jianhua Li
Affiliations
  • PMID: 16706370

[A study on the mechanical properties of poly-D,L-lactic acid/hydroxyapatite compound fibers]

[Article in Chinese]
Tao Wan et al. Sheng Wu Yi Xue Gong Cheng Xue Za Zhi. 2006 Apr.

Abstract

The PDLLA/HA compound fibers with excellent properties could be obtained by melt-spinning. This study inquired about the mechanical properties, change rule and influencing factors. The results showed that the composites fibers of mechanical properties were good in the PDLLA(molecular weight 120,000) to which were added the 4-20 microm HA particles. In the matrix of PDLLA with accretion (10%) of HA particles, the tensile strength of the compound fibers was the highest, compared with the others. The tensile strength of the compound fibers of PDLLA (molecular weight 20,000-300,000) was high. The tensile strength of the compound fibers decreased with the increase of the fiber diameter, and the PDLLA/HA fibers 40-60 micrometers in diameter had the highest elongation at break.

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