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Citation: YANG Zi-Gang, YUAN Jian-Jun, CHENG Shi-Yuan. Synthesis and Characterization of Amphiphilic Triblock Copolymers Poly(N^ε-CBZ-Lysine)-PEG-Poly(N^ε-CBZ-Lysine)[J]. Chinese Journal of Applied Chemistry, ;2004, 21(6): 637-640. shu

Synthesis and Characterization of Amphiphilic Triblock Copolymers Poly(N^ε-CBZ-Lysine)-PEG-Poly(N^ε-CBZ-Lysine)

1.
School of Chemistry and Materials Science, Hubei University, Wuhan 430062

Corresponding author: CHENG Shi-Yuan,
Received Date: 20 August 2003
Available Online: 10 February 2004

Lys(z)-NCA was synthesized from N^ε-carbobenzoyloxy-L-Lysine and triphosgene in THF. Amphiphilic triblock copolymers poly(N^ε-carbobenzyloxy-L-Lysine)(poly(N^ε-CBZ-Lysine)-PEG-poly(N^ε-CBZ-Lysine)) were synthesized in DMF in the condition that both amino-end PEG was used as initiator. The structures of the block copolymers were characterized by IR, ¹H NMR, GPC and DSC. The results revealed that triblock copolymers with controlled M_n and narrow molecular weight distribution(I_p=1.06) were synthesized, the yield was 95.4%. These block copolymers are expected to have promising application in the field of biomaterials for the two components in block copolymers are both biocompatible.
- poly(ethylene glycol),
- poly(N^ε-carbobenzyloxy-L-Lysine)
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Synthesis and Characterization of Amphiphilic Triblock Copolymers Poly(Nε-CBZ-Lysine)-PEG-Poly(Nε-CBZ-Lysine)

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通讯作者: 陈斌, bchen63@163.com

Synthesis and Characterization of Amphiphilic Triblock Copolymers Poly(N^ε-CBZ-Lysine)-PEG-Poly(N^ε-CBZ-Lysine)