| 抗氧剂2246的合成研究 |
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| 引用本文： | 张天永,池立峰,夏文娟,柴义,张友兰.抗氧剂2246的合成研究[J].化学工业与工程,2009,26(1):19-22. |
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| 作者姓名： | 张天永 池立峰 夏文娟 柴义 张友兰 |
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| 作者单位： | 天津大学化工学院; |
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| 摘 要： | 以2-叔丁基-4-甲基苯酚和甲缩醛为原料合成抗氧化剂22462,2′-亚甲基双-(4-甲基-6-叔丁基酚)],使用了多种固体酸催化剂(NKC-9、001×7、SO42-/TiO2和DNW-1)。主要研究了催化活性相对高的NKC-9和DNW-1。对催化剂的用量、反应时间、反应温度及原料配比等影响反应的因素进行了探讨,确定适宜的工艺条件,以求得到最佳的产品收率和纯度。
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| 关 键 词： | 抗氧剂2246 2-叔丁基-4-甲基苯酚 甲缩醛 固体酸 |
Synthesis of Antioxidant 2246 |
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| ZHANG Tian-yong,CHI Li-feng,XIA Wen-juan,CHAI Yi,ZHANG You-lan.Synthesis of Antioxidant 2246[J].Chemical Industry and Engineering,2009,26(1):19-22. |
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| Authors: | ZHANG Tian-yong CHI Li-feng XIA Wen-juan CHAI Yi ZHANG You-lan |
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| Affiliation: | (School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China |
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| Abstract: | The preparation of antioxidant 2246 2,2＇-methylenebis- （4- methyl-6-tertiary butyl phenol） ] with 2- tertiary butyl-4-methylphenol and methylal was investigated. Several kinds of solid acid catalysts including NKC-9, 001 × 7, SO4^2-/TiO2, DNW-1, were chosen for the synthetic process. NKC-9 and DNW-1 which have high catalytic efficiency were mainly studied. The effects of catalyst amount, reaction time, temperature, the ratio of material on the yield and purity of the product were discussed, and the suitable process was determined to obtain product with high yield and purity. |
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| Keywords: | antioxidant 2246 2-tertiary butyl-4-methylphenol methylal solid acid |
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