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Citation: LIU Xianzhi, LIU Lingzhi, MEN Yongfeng. Synthesis and Characterization of Chitosan/paraffin Phase Change Microcapsules[J]. Chinese Journal of Applied Chemistry, ;2012, 29(1): 9-13. doi: 10.3724/SP.J.1095.2012.00079 shu

Synthesis and Characterization of Chitosan/paraffin Phase Change Microcapsules

1.
State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China

Corresponding author: MEN Yongfeng,
Received Date: 28 February 2011
Available Online: 30 April 2011

Phase change microcapsules were synthesized using chitosan as the shell material and paraffin as the core material via multi-emulsionization and cross-linking method.During the phase change of the paraffin,the microcapsules can store and release energy.The enthalpy value of the phase change of the microcapsules is higher than 110 J/g.The suitable phase change temperature can be obtained by changing the core material.The resultant microcapsules show excellent thermal stability,and remain stable below 150℃ as demonstrated by TGA measurement.The microcapsules also exhibit good solvent-resistance because of the cross-linking between chitosan and glutaraldehyde.
- microcapsules,
- phase change material,
- paraffin,
- chitosan
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