Controllable Preparation of Hollow Cross-Linked Polyphosphazene Microspheres

Jiang-wei FU; Ming-huan WANG; Xu-zhe WANG; Jin-ping YUAN; Chao ZHANG; Qun XU

doi:10.14028/j.cnki.1003-3726.2011.08.007

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Controllable Preparation of Hollow Cross-Linked Polyphosphazene Microspheres

更新时间：2022-09-18

- Controllable Preparation of Hollow Cross-Linked Polyphosphazene Microspheres
- Polymer Bulletin Vol. 24, Issue 8, Pages: 79-84(2011)
- 作者机构：
  
  郑州大学材料科学与工程学院，郑州　450001
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2011.08.007
  CLC：
- Published：2011-08，
  
  Received：02 November 2010，
  
  Revised：05 January 2011，
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Jiang-wei FU, Ming-huan WANG, Xu-zhe WANG, Jin-ping YUAN, Chao ZHANG, Qun XU. Controllable Preparation of Hollow Cross-Linked Polyphosphazene Microspheres. [J]. Polymer Bulletin 24(8):79-84(2011)
DOI：

Jiang-wei FU, Ming-huan WANG, Xu-zhe WANG, Jin-ping YUAN, Chao ZHANG, Qun XU. Controllable Preparation of Hollow Cross-Linked Polyphosphazene Microspheres. [J]. Polymer Bulletin 24(8):79-84(2011) DOI： 10.14028/j.cnki.1003-3726.2011.08.007.

摘要

以分散聚合法制备的聚苯乙烯微球为模板，以六氯环三膦腈、4，4′-二羟基二苯砜为共聚单体，三乙胺为缚酸剂，室温条件下制备出了聚苯乙烯／聚膦腈（核／壳）复合微球，然后用四氢呋喃处理该复合微球，得到聚膦腈中空微球。利用红外光谱、元素分析、扫描电镜及投射电镜对所制备中空微球的结构及形貌进行了表征。结果表明，所制备聚膦腈中空微球具有高度交联的化学结构，其中空核直径依赖于所使用模板的粒径，中空微球的壁厚可通过调节模板与共聚单体的质量配比进行控制。另外，还提出了该中空微球的形成机理。

Abstract

Using hexachlorocyclotriphosphazene (HCCP ) and 4

4′-sulfonyldiphenol (BPS ) as comonomers

triethylamine(TEA)as acid-acceptor

and polystyrene(PS)microspheres prepared through dispersion polymerization as template

PS/polyphosphazene(core/shell)composite microspheres were firstly prepared at room temperature.The as-prepared composite microspheres were then etched with tetrahydrofuran to remove PS core materials

and hollow polyphosphazene microspheres were successfully obtained.The morphology and structure of the hollow microspheres were characterized by FTIR

SEM and TEM.Results showed that the hollow polyphosphazene microspheres possessed highly cross-linked chemical structure.The hollow core size of the hollow microspheres was depended on the diameter of as-used PS template

and the shell thickness could be controlled by adjusting the mass ratio of PS to comonomers.In addition

the formation mechanism of the hollow polyphosphazene microspheres was proposed.

关键词

聚膦腈中空微球自组装模板

Keywords

PolyphosphazeneHollow microsphereSelf-assemblyTemplate

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