Disodium terephthalate → Calcium terephthalate

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반응 단계

A 5% by weight aqueous solution of sodium terephthalate was added to a 10% by weight aqueous solution of calcium chloride to form a white precipitate of calcium terephthalate. The calcium terephthalate precipitate was separated, washed with water and then heated at 200° C. to form an anhydrous salt. The anhydrous calcium terephthalate was pulverized in a ball mill and dispersed in ethylene glycol to form a slurry. Subsequent classification gave a glycol slurry of calcium terephthalate having a predetermined particle diameter.

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