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Synthesis and Sulfonation of Layered Zirconium Phosphate Phenylphosphonate
The main factors in the synthesis of layered zirconium phosphate phenylphosphonate were in vestigated. At F-／Zr4+=12 and H3PO4／Zr4+=20, a series of homogeneous Zr(P04H)2-n(P03Ph)n(n=0～2) were synthesized by changing the amount of phenylphosphonic acid. The crystals are thermally stable below 400℃. The phenyl groups in the layered structure can be sulfonated almost quantitatively. The sulfonated products Zr(P04H)2-n(P03PhS03H)n have abundant acidic sites and they are also stable below 300℃.
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