A NOVEL METHOD TO PREPARE CROSSLINKED POLYETHYLENEIMINE HOLLOW NANOSPHERES

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A NOVEL METHOD TO PREPARE CROSSLINKED POLYETHYLENEIMINE HOLLOW NANOSPHERES

Rapid Communication | Updated：2021-06-21

- A NOVEL METHOD TO PREPARE CROSSLINKED POLYETHYLENEIMINE HOLLOW NANOSPHERES
- Issue 5, Pages: 431-435(2007)
- Affiliations：
  
  1.   Engineering Research Center of Biomaterials Sichuan University National Engineering Research Center for Biomaterials
  2.   Chengdu 610064
  3.   China
- Author bio：
- Funds：
  
  This work was financially supported by the National Basic Research Program of China（National 973 program,No.2005 CB623903）.()
- DOI：
  CLC： TB383.1
- Published：2007
- Accepted：
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[1]何斌,顾忠伟.A NOVEL METHOD TO PREPARE CROSSLINKED POLYETHYLENEIMINE HOLLOW NANOSPHERES[J].Chinese Journal of Polymer Science,2007(05):431-435.

A NOVEL METHOD TO PREPARE CROSSLINKED POLYETHYLENEIMINE HOLLOW NANOSPHERES[J]. 2007, (5): 431-435.
[1]何斌,顾忠伟.A NOVEL METHOD TO PREPARE CROSSLINKED POLYETHYLENEIMINE HOLLOW NANOSPHERES[J].Chinese Journal of Polymer Science,2007(05):431-435. DOI：

A NOVEL METHOD TO PREPARE CROSSLINKED POLYETHYLENEIMINE HOLLOW NANOSPHERES[J]. 2007, (5): 431-435. DOI：

摘要

<正>A novel method to prepare crosslinked polyethyleneimine（CPEI）hollow nanospheres was reported.Uniform silica nanospheres were used as templates

3-aminopropyl trimethoxysilane（APS）was immobilized on the surface of silica nanospheres as couple agent.Aziridine was initiated ring-opening polymerization with the amino groups in APS to form polyethyleneimine（PEI）shell layer.1

4-Butanediol diacrylate was utilized to crosslink PEI polymeric shell.The silica nanospheres in core were etched by hydrofluoric acid to obtain hollow CPEI nanospheres.The hollow nanospheres were characterized by X-ray photoelectron spectroscopy（XPS）

transmission electron microscopy（TEM）

and thermogravimetric analysis（TGA）.

Abstract

A novel method to prepare crosslinked polyethyleneimine（CPEI）hollow nanospheres was reported.Uniform silica nanospheres were used as templates

transmission electron microscopy（TEM）

and thermogravimetric analysis（TGA）.

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