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Under this conditions, the yield of ethyl esters was 85%, propyl ester 94% and butyl ester 92%. 上述条件下,尼泊金乙酯的产率为85% ,尼泊金丙酯的产率为94 % ,尼泊金丁酯的产率为92 %。
The invention discloses a catalyst used for preparing acrylic acid and butyl ester by the dehydration of butyl lactate and a preparation method thereof. 本发明公开了一种乳酸丁酯脱水制备丙烯酸及其丁酯催化剂的组成及制备 方法。 ip.com