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

doi:10.3724/SP.J.1095.2011.00600

Chinese Journal of Applied Chemistry ›› 2011, Vol. 28 ›› Issue (08): 864-868.DOI: 10.3724/SP.J.1095.2011.00600

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

FU Jianwei, WANG Minghuan, WANG Xuzhe, YUAN Jinping, XU Qun^*

(School of Materials Science and Engineering,Zhengzhou University,Zhengzhou 450001)

Received:2010-10-11 Revised:2011-01-07 Published:2011-08-10 Online:2011-08-10

Abstract

Abstract:

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 sub-micrometer spheres was proposed.

Key words: precipitation polymerization, polyphosphazene, microspheres, synthesis

CLC Number:

O634

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(08): 864-868.

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

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