esterification catalyst 中文意思是什麼

esterification catalyst 解釋
酯化催化劑
  • esterification : 酯化反應
  • catalyst : n. 【化學】觸媒，催化劑，接觸劑〈又作 catalytic agent〉；〈比喻〉觸發因素，〈口語〉（善用熱情、言語等打動他人的）有感染力的人。
  1. The operation principle and device to produce acetin and hydroxyethyl acetate for foundry firming agent were analyzed in the paper, and the choice of esterification catalyst and dehydrated agent in the esterifying process also were analyzed theoretically, and finally, the better producing operation device, catalyst and dehydrated agent were obtained

    摘要分析了鑄造用有機酯固化劑酯酸甘油酯和乙二醇醋酸酯合成工藝原理及裝置，同時對有機酯合成工藝條件中脫水劑和催化劑的選擇的理論依據進行了分析，得出鑄造用有機酯固化劑的最佳合成工藝裝置和脫水劑、催化劑。
  2. Abstract : using sulfamie acid as catalyst, synthesis of benzyl acetate and phenylethyl acetate through esterification were studied. the yields are good with high purity

    文摘:研究了氨基磺酸催化酯化合成乙酸芐酯和乙酸苯乙酯。此工藝反應時間短、能耗低、產品純度高、產率良好、無三廢污染，優于文獻方法。
  3. Studied the liquid - phase synthesis of butyl acetate from n - butyl alcohol and acetic acid using the supported heteropoly blue as catalyst. examed several factors imposing on esterification. the results revealed : using this catalyst, the reactions conversion percentage reaches nearly 100 %, product yield is 98. 9 %, selectivity is 98. 9 %. reusing it 10 times, the efficiency is still well. in addition, using this catalyst, the reactions temperature is mild, the reaction time is short and the equipment hasnt any erosion. furthermore, there is no “ threewastesdischarge

    對以負載型雜多藍為催化劑的乙酸與正丁醇的液相酯化反應進行了研究.考察了影響酯化反應的因素.結果表明：以負載型雜多藍為催化劑，酯化反應轉化率接近100 % ，收率可達98 . 9 % ，選擇性為98 . 9 % ，重復使用10次催化效果仍好.該催化劑還有反應條件溫和、反應時間短、對設備無腐蝕、無三廢排放等優點
  4. Nanosized solid superacid so2 - 4 zro2 - fe2o3 - sio2 as esterification catalyst

    2作酯化催化劑的研究
  5. The amount of catalyst can be reduced by selecting nice solvability catalyst, cutting down the remnant carboxyl amount of esterification and elevating polycondensation temperature

    選擇溶解性能好的催化劑，降低酯化殘存羧基量，提高縮聚溫度，可減少催化劑用量。
  6. The exptl. results demonstrated that dodecylbenzenesulfonic acid could be used as the catalyst for starch esterification

    實驗結果表明：十二烷基苯磺酸可以作為澱粉酯化的催化劑。
  7. The effects of reaction time, feeds mole ratio, and the amount of catalyst used in the esterification on the yield were discussed

    探討了反應時間、醇酸摩爾比、催化劑用量以及帶水劑用量對酯化收率的影響，確定了較適宜的反應條件。
  8. Abstract : by comparing the dehydration methods of three catalytic by comparing the dehydration methods of three catalytic esterification reactions and the catalysts used under negative by comparing the dehydration methods of three catalytic esterification reactions and the catalysts used under negative pressure, the better method of synthesizing 2 - ethylhexyl chloroacetate is using stannous oxide as catalyst under negative chloroacetate is using stannous oxide as catalyst under negative pressure

    文摘:通過對三種催化酯化反應的脫水方法及負壓下使用不同催化劑的比較和通過對三種催化酯化反應的脫水方法及負壓下使用不同催化劑的比較和選擇，提出了以氧化亞錫為催化劑負壓脫水合成氯乙酸2 -乙基己酯的方法。
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