Calcium sulfate particles andmanufacturing method of the same
Disclosed is an ethoxylation catalyst having a BET specific surface area of 40 to 150 m 2 /g and including calcium sulfate particles including at least one kind of compound selected from the group consisting of calcium sulfate 0.5 hydrate and type III anhydrous calcium sulfate.
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Format: | Patent |
Sprache: | chi ; eng |
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