Synthesis and phase transition of cellulose‐graft‐poly(ethylene glycol) copolymers

Wiley - Tập 110 Số 3 - Trang 1797-1803 - 2008
Yanxiang Li1, Ruigang Liu1, Yong Huang2,1
1State Key Laboratory of Polymer Physics and Chemistry, Joint Laboratory of Polymer Science and Materials, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
2Laboratory of Cellulose and Lignocellulosics Chemistry, Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China

Tóm tắt

Abstract

Cellulose‐graft‐poly(ethylene glycol) copolymers were synthesized, and the thermal properties of the copolymers were investigated. The cellulose‐graft‐poly(ethylene glycol) copolymers showed solid–solid phase‐transition behavior with a high thermal storage density and good thermal stability in the temperature region of 25–250°C. The phase‐transition temperature and enthalpy of the cellulose‐graft‐poly(ethylene glycol) copolymers could be adjusted through changes in the poly(ethylene glycol) content. The prepared copolymers could be used as thermal energy storage materials. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008

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Wiley

Tập 110 Số 3

1797-1803

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