Functionalization of polyhedral oligomeric silsesquioxanes with bis(hydroxyethyl) ester and preparation of the corresponding degradable nanohybrids期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Functionalization of polyhedral oligomeric silsesquioxanes with bis(hydroxyethyl) ester and preparation of the corresponding degradable nanohybrids

Authors:	Bing Tao Wang Yan Zhang Ping Zhang Zheng Ping Fang

Affiliation:	Institute of Packaging Engineering, Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, China ; Lab of Polymer Materials and Engineering, Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, China

Abstract:	One novel difunctionalized polyhedral oligomeric silsesquioxanes（POSS） derivative was designed and synthesized by a convenient method with high yield.¹H NMR and FT-IR characterizations suggested that Michael addition reaction successfully took place between 2-hydroxyethyl acrylate（HEA） and aminopropylisobutyl POSS（POSS-NH₂） under mild conditions,which finally formed bi（hydroxyethyl） ester-functionalized POSS derivatives（BH-POSS）.Due to the similar functional groups and high reactivity,BH-POSS could be easily incorporated into the main-chain of biodegradable aliphatic-aromatic copolyesters PBTL via in situ melt polycondensation to prepare corresponding degradable nanohybrids with high mechanical properties.

Keywords:	Michael addition Degradable nanohybrids POSS In situ melt polycondensation
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