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四臂星形嵌段共聚物s-PDLLA-b-PEG的合成 被引量：3

Synthesis of Four-arm Star-shaped Block Copolymer(s-PDLLA-b-PEG)
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摘要 季戊四醇与D,L-丙交酯开环聚合制得末端为羟基的四臂星形聚乳酸(s-PDLLA);s-PDLLA与羧基封端的聚乙二醇单甲醚(CT-mPEG)完成酯化反应,合成了以季戊四醇为核,以聚乳酸为内部嵌段、聚乙二醇为外部嵌段的四臂星形聚(D,L-乳酸)-聚乙二醇嵌段共聚物(s-PDLLA-b-PEG),其结构经1H NMR,IR和GPC表征。 Four-arm star-shaped hydroxyl-terminated poly（ D, L-lactide） （s-PDLLA） was prepared by ring-opening polymerization of D, L-laetide initiated by pentaerythritol in the presence of stannous octoate. Four-arm star-shaped poly （ D, L-lactide） -block-poly （ ethylene glycol） copolymer （ s-PDLLA-b- PEG） was synthesized by esterifieation of s-PDLLA with carboxyl-terminated poly（ ethylene glycol） methyl ether（CT-mPEG）. The structures were characterized by ^1H NMR, IR and GPC.
作者 魏芬芬 林雅铃 张安强 陈秀云 王炼石
机构地区 华南理工大学材料科学与工程学院 华南农业大学资源环境学院
出处 《合成化学》 CAS CSCD 北大核心 2010年第1期90-93,共4页 Chinese Journal of Synthetic Chemistry
基金 广东省自然科学基金资助项目(07300675) 广东省高性能与功能高分子材料重点实验室开放基金资助项目 华南农业大学校长基金新学科扶持基金资助项目(4200-K07254) 华南农业大学资源环境学院院长基金资助项目
关键词 四臂星形嵌段共聚物 季戊四醇 聚乳酸 聚乙二醇 合成 Keywords： four-arm star-shaped block copolymer pentaerythritol poly （ D, L-lactide） poly （ ethylene glycol） synthesis
分类号 O633.1 [理学—高分子化学]
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参考文献13

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二级参考文献55

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共引文献33

同被引文献25

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引证文献3

二级引证文献8

合成化学
2010年 第1期

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