Abstract
A process is described for the synthesis of aluminum terephthalate by autoclaving a suspension of terephthalic acid in an aluminum chloride solution at temperatures from 150 to 390°C and pressures from 2 to 20 MPa. The conditions ensuring the maximum yield of aluminum terephthalate are established. The composition of the reaction product is determined to be Al2[C6H4(COO)2]3 ⋅ 2H2O. The effect of the liner material on the reaction between terephthalic acid and aluminum chloride solutions is analyzed. It is shown that the final product of aluminum terephthalate decomposition during heating in air to 950°C is γ-Al2O3.
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