Temperature Activated Synthesis of Poly (m-phenylenediamine) Nano-particles and Study of their Sulfate Adsorption Performance

Conventional chemically oxidative polymerization with gradually added oxidant procedure primarily produces the agglomerated products of poly(m-phenylenediamine)(PmPD) due to secondary growth. This research developed a simple route to improve the conventional polymerization by just adjusting temperat...

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Bibliographic Details
Published inJournal of polymer materials Vol. 33; no. 3; p. 555
Main Authors Li, Benxiang, Liu, Dengyou, Lu, Xiangyang
Format Journal Article
LanguageEnglish
Published Henderson Tech Science Press 01.07.2016
Subjects
Adsorbents
Adsorption
Aqueous solutions
Atoms & subatomic particles
Equilibrium
Nanoparticles
Polymerization
Polymers
Scanning electron microscopy
Solvents
Spectrum analysis
Temperature
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Summary:Conventional chemically oxidative polymerization with gradually added oxidant procedure primarily produces the agglomerated products of poly(m-phenylenediamine)(PmPD) due to secondary growth. This research developed a simple route to improve the conventional polymerization by just adjusting temperature to synthesize poly(m-phenylenediamine) nano-particles without catalyst or template. Morphology, molecular structure and properties of the polymer were investigated. Results showed that temperature of synthesis has a significant influence in PmPD micromorphology. Higher temperature would potentially lead to PmPD nano-particles. The possible formation mechanism of nano-particles has been proposed. The obtained PmPD nano-particles with high thermal stability have larger specific surface area, as compared with the micro-particles obtained by conventional method. Moreover, poly(m-phenylenediamine) nano-particles exhibit a much stronger sulfate ions adsorption capacity (93.5 mg g^sup -1^) than the micro-particles (71.2 mg g^sup -1^), which is also apparently superior to the performance reported in previous literatures[23-30].
ISSN:0973-8622
0976-3449