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)have abundant acidic sites and they are also stable below 300℃.

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