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单词
etherification
释义
etherification
Encyclopedia
工学
醚化
释
etherification
醚化
两个醇(酚)分子间脱水反应,或烯烃与醇加成反应生成醚类化合物的过程。其中醇分子间脱水醚化反应通常采用活性氧化铝或沸石分子筛作催化剂,烯烃与醇加成醚化反应采用大孔强酸性阳离子交换树脂、沸石分子筛、杂多酸等作催化剂。通常醚化主要指烯烃与醇的加成反应。
理学
醚化
释
etherification
醚化反应
醇或酚分子中羟基的氢原子被烷基或芳基取代而醇醚化或酚醚化的反应。
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crop pests in China
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