Citation: NAN Guang-Hua, WANG Jian-Ping, WANG Yan, WANG He, LI Wei, ZHANG Xing-Xiang. Preparation and Properties of Nanoencapsulated Phase Change Materials Containing Polyaniline[J]. Acta Physico-Chimica Sinica, ;2014, 30(2): 338-344. doi: 10.3866/PKU.WHXB201312231 shu

Preparation and Properties of Nanoencapsulated Phase Change Materials Containing Polyaniline

1.
Tianjin Municipal Key Laboratory of Fiber Modification and Functional Fibers, Institute of Functional Fibers, Tianjin Polytechnic University, Tianjin 300387, P. R. China

Received Date: 2 September 2013
Available Online: 23 December 2013
Fund Project: 航空科学基金(201229Q2002) (201229Q2002)天津市科技计划项目(09ZCKFGX02200)资助项目 (09ZCKFGX02200)

Nanocapsules containing polyaniline homodispersed in n-octadecane (n-Oct) were synthesized by free radical emulsion polymerization and in situ polymerization using poly(methyl methacrylate-co- allyl methacrylate) (P(MMA-co-AMA)) as a shell, in which polyaniline was used as the nucleating agent. Furthermore, the surface morphologies, crystallization properties, thermal stabilities, and crystallization process of nanoencapsulated phase change materials (NanoPCMs) were investigated using scanning electron microscopy (SEM), differential scanning calorimetry (DSC), thermogravimetric analysis (TG), and wide-angle X-ray diffraction (WAXD), respectively. The results showed that the addition of aniline as a monomer and polyaniline generated by in situ polymerization had little effect on the morphologies, particle sizes, encapsulation efficiencies, and crystallization process, but the heat resistance properties slightly decreased. Addition of 1.5 g of aniline effectively improved the supercooling crystallization behavior of the nanocapsule.
- Nanoencapsulated phase change material,
- n-Octadecane,
- P(MMA-co-AMA),
- Polyaniline,
- Supercooling
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沈阳化工大学材料科学与工程学院沈阳 110142