Low Breakage and Size-controlled Preparation of NiCl<sub>2</sub> Immobilized Hollow Polyurea Microcapsules

纪红兵; 李俊丽; 裴丽霞; 高建荣

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Low Breakage and Size-controlled Preparation of NiCl₂ Immobilized Hollow Polyurea Microcapsules

Updated：2026-01-06

- Low Breakage and Size-controlled Preparation of NiCl₂ Immobilized Hollow Polyurea Microcapsules
- Low Breakage and Size-controlled Preparation of NiCl₂ Immobilized Hollow Polyurea Microcapsules
- 中国化学工程学报（英文版） 2008年16卷第1期页码：119-123
- Affiliations：
  
  1. The Key Lab of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, South China University of Technology,Guangzhou,China,510640
  2. State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology,Hangzhou,China,310014
- Author bio：
- Funds：
  
  the National Natural Science Foundation of China (No.20576045);the Opening Foundation of Zhejiang Provin-cial Top Key Discipline;the Program for New Century Excellent Talents in University (No.NCET-06-740).
- DOI：
  中图分类号：
- 纸质出版：2008
- Accepted：
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纪红兵, 李俊丽, 裴丽霞, 等. Low Breakage and Size-controlled Preparation of NiCl₂ Immobilized Hollow Polyurea Microcapsules[J]. 中国化学工程学报（英文版）, 2008,16(1):119-123.

Immobilized Hollow Polyurea Microcapsules[J]. , 2008, 16(1): 119-123.
纪红兵, 李俊丽, 裴丽霞, 等. Low Breakage and Size-controlled Preparation of NiCl₂ Immobilized Hollow Polyurea Microcapsules[J]. 中国化学工程学报（英文版）, 2008,16(1):119-123. DOI：

Immobilized Hollow Polyurea Microcapsules[J]. , 2008, 16(1): 119-123. DOI：

摘要

Abstract

Polyurea microcapsules containing NiCl

were prepared by interfacial polymerization between diisocy-anate and water with triethylamine as a catalyst in water-in-oil emulsion system. The influence of preparation conditions such as the dosage and feed mode of the catalyst

concentration of the encapsulated NiCl

and concentration and structure of diisocyanates on the breakage of the microcapsules have been evaluated. The results show that breakage is strongly dependent on the rate of polymerization and stability of initial emulsion. The improved micro-capsules with low breakage have been produced under the optimum conditions. Furthermore

the obtained micro-capsules immobilizing NiCl

as a recyclable catalyst is successfully used in benzaldehyde reduction.

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Low Breakage and Size-controlled Preparation of NiCl2 Immobilized Hollow Polyurea Microcapsules

Low Breakage and Size-controlled Preparation of NiCl2 Immobilized Hollow Polyurea Microcapsules

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摘要

Abstract

关键词

Keywords

references

Low Breakage and Size-controlled Preparation of NiCl₂ Immobilized Hollow Polyurea Microcapsules

Low Breakage and Size-controlled Preparation of NiCl₂ Immobilized Hollow Polyurea Microcapsules