Citation: Yu Shan HU, Zheng Pu ZHANG, Dong SONG, Yong Mei WANG, Dong Ren BAI. Preparation and Properties of Self-reinforced L-and D,L-lactide Copolymer Rods[J]. Chinese Chemical Letters, ;2000, 11(11): 1023-1026. shu

Preparation and Properties of Self-reinforced L-and D,L-lactide Copolymer Rods

Institute of Polymer Chemistry, State Key Laboratory of Functional Polymeric Materials for Adsorption and Separation, Nankai University, Tianjin 300071

Received Date: 8 May 2000

Since highly crystalline poly (L-lactide) (PLLA) degrades rather slowly in a biological environment and the crystalline domains remaining after partial degradation of the implant material give rise to an inflammatory response of the surrounding tissue, L- and D,L-lactide copolymer[P(L-DL)LA] having a low crystallinity is preferred in surgical applications. The thermal transitions and the mechanical properties of P(L-DL)LA rods were discussed in this paper. It was found that the self-reinforced P(L-DL)LA[SR-P(L-DL)LA] was strong enough in terms of mechanical properties compared with the self-reinforced PLLA[SR-PLLA].
- PLLA,
- P(L-DL)LA,
- self-reinforcement,
- bone fractures fixation
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