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ÖÐԭͼÌÚ(greenhand_ku´ú·¢): ½ð±Ò+50, ¸ù¾Ý°æ¹æ£ºÈôÇóÖúÕß¶ÔÓ¦ÖúÂúÒ⣬Ð뼰ʱ·¢·ÅÐüÉͽð±Ò£¬Èô³¬¹ý2ÖÜÈÔ²»½±ÀøÓÐЧӦÖú£¬½«ÓɰæÖ÷´ú¿Û²¢·¢·Å£¬Áí¿Û2-5½ð±Ò·£½ð¡£ 2014-07-19 13:39:23
Acetic acid and isoamylol were used as material, cyclohexane as water-carrying regent to synthesis isoamyl acetate catalyzed by 732 cation exchange resin. The amount of catalyst, proportion of material, reaction time and temperation were discussed. As a result, the better conditions of synthesis process were 11 ml of isoamylol, 10ml of acetic acid, 6ml of cyclohexane and 0.9g of catalyst with circulation reflux for 2h under constant temperature, the isoamyl acetate productive rate was 54.6% on anerage. The advantages of 732 cation exchange resin catalyst were as follows compard to traditional concentrated sulfuric acid: more efficiency, higher productive rate for ester, less environmental pollution and catalyst can be reused.
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