One-step synthesis of hyperbranched biodegradable polymer

被引：29

作者：

Yang, Hongjun ^{[1
]}

Xu, Jinbao ^{[2
]}

Pispas, Stergios ^{[3
]}

Zhang, Guangzhao ^{[1
,2
]}

机构：

[1] Univ Sci & Technol China, Dept Chem Phys, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China

[2] S China Univ Technol, Fac Mat Sci & Engn, Guangzhou 510640, Peoples R China

[3] Natl Hellen Res Fdn, Inst Theoret & Phys Chem, GR-11635 Athens, Greece

来源：

RSC ADVANCES | 2013年 / 3卷 / 19期

关键词：

RING-OPENING POLYMERIZATION; SIZE-EXCLUSION CHROMATOGRAPHY; ANIONIC-POLYMERIZATION; GLYCOL DIMETHACRYLATE; METHYL-METHACRYLATE; PHOSPHAZENE BASES; STAR POLYMERS; POLY(EPSILON-CAPROLACTONE)S; DENDRIMERS; COPOLYMERIZATION;

D O I：

10.1039/c3ra23422c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Hyperbranched poly(epsilon-caprolactone) (h-PCL) is synthesized via hybrid copolymerization of epsilon-caprolactone (CL) with glycidyl methacrylate (GMA) as the branching agent and (1-tert-butyl-4,4,4-tris(dimethylamino)-2,2-bis[tris(dimethylamino)phophoranylidenamino]-2 Lambda 5,Lambda 5-catenadi(phosphazene) (t-BuP4) as the catalyst in one step. Proton nuclear magnetic resonance (H-1 NMR) and Fourier transform infrared (FTIR) spectroscopy show that the polymerization regarding the double bonds and ring-opening take place simultaneously. Size exclusion chromatography measurements with light scattering and viscosity detection indicate that the resultant polymer has a hyperbranched structure.

引用

页码：6853 / 6858

页数：6

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