以纺锤状α-Fe₂O₃纳米颗粒为模板通过无皂微乳液聚合制备具有多腔的单分散功能性聚合物纳米胶囊

Mono-dispersed Functional Polymeric Nanocapsules with Multi-lacuna via Soapless Microemulsion Polymerization with Spindle-like alpha-Fe(2)O(3) Nanoparticles as Templates.

作者信息

Liu Guangfeng, Liu Peng

机构信息

State Key Laboratory of Applied Organic Chemistry and Institute of Polymer Science and Engineering, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000 People's Republic of China.

出版信息

Nanoscale Res Lett. 2009 Jan 6;4(3):281-285. doi: 10.1007/s11671-008-9238-x.

DOI:10.1007/s11671-008-9238-x

PMID:20596437

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2893870/

Abstract

The mono-dispersed crosslinked polymeric multi-lacuna nanocapsules (CP(St-OA) nanocapsules) about 40 nm with carboxylic groups on their inner and outer surfaces were fabricated in the present work. The small conglomerations of the oleic acid modified spindle-like alpha-Fe(2)O(3) nanoparticles (OA-Fe(2)O(3)) were encapsulated in the facile microemulsion polymerization with styrene (St) as monomer and divinyl benzene (DVB) as crosslinker. Then the templates, small conglomerations of OA-Fe(2)O(3), were etched with HCl in tetrahydrofuran (THF). The surface carboxylic groups of the crosslinked polymeric multi-lacuna nanocapsules were validated by the Zeta potential analysis.

摘要

在本工作中制备了约40 nm的单分散交联聚合物多多孔多多腔纳米胶囊（CP(St-OA)纳米胶囊），其内外表面均带有羧基。以苯乙烯（St）为单体、二乙烯基苯（DVB）为交联剂，通过简便的微乳液聚合将油酸修饰的纺锤状α-Fe(2)O(3)纳米颗粒（OA-Fe(2)O(3)）的小聚集体包封其中。然后，用盐酸在四氢呋喃（THF）中蚀刻模板，即OA-Fe(2)O(3)的小聚集体。通过zeta电位分析验证了交联聚合物多腔纳米胶囊的表面羧基。