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Citation: FU Jianwei, WANG Minghuan, WANG Xuzhe, YUAN Jinping, XU Qun. Rapid Room Temperature Synthesis of Polyphosphazene Sub-micrometer Spheres with High Thermal Stability[J]. Chinese Journal of Applied Chemistry, ;2011, 28(8): 864-868. doi: 10.3724/SP.J.1095.2011.00600 shu

Rapid Room Temperature Synthesis of Polyphosphazene Sub-micrometer Spheres with High Thermal Stability

1.
School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001

Corresponding author: XU Qun,
Received Date: 11 October 2010
Available Online: 6 January 2011
Fund Project: 国家自然科学基金(51003098,20974102,20804040) (51003098,20974102,20804040)国家博士后科学基金(20100480055)资助项目 (20100480055)

Polyphosphazene(PPZ) sub-micrometer spheres were prepared rapidly under room temperature via precipitation polymerization of hexachlorocyclotriphosphazene(HCCP) with 4,4'-sulfonyldiphenol(BPS),using acetonitrile as the solvent and triethylamine(TEA) as the acid-acceptor.The PPZ sub-micrometer spheres were characterized by FT-IR,elemental analysis and EDX,and their highly cross-linked structures were identified.SEM and TEM results indicated that the PPZ sub-micrometer spheres had diameter of about 410 nm,solid structure and smooth surface.TGA result showed that the thermal decomposition temperature of the PPZ sub-micrometer spheres was about 531℃.In addition,the formation mechanism of the PPZ submicrometer spheres was proposed.
- precipitation polymerization,
- polyphosphazene,
- microspheres,
- synthesis
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