| 抗氧剂1010结晶过程对产品粒度分布的影响 |
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| 引用本文： | 王永莉,丁树成,任国宾. 抗氧剂1010结晶过程对产品粒度分布的影响[J]. 化学工业与工程, 2005, 22(6): 415-418 |
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| 作者姓名： | 王永莉 丁树成 任国宾 |
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| 作者单位： | 天津大学国家工业结晶技术研究推广中心,天津大学国家工业结晶技术研究推广中心,天津大学国家工业结晶技术研究推广中心 天津300072,天津300072,天津300072 |
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| 摘 要： | 以甲醇、乙醇、低级醇和蒸馏水混合液为溶剂,实验室制备了抗氧剂1010。考察了晶种、搅拌速率、降温速率和洗涤对结晶产品粒度分布的影响。其适宜的操作条件为:晶种加入量为加入溶质质量的0.8%~1.0%、晶种加入温度为56℃~60℃和搅拌速率为400 r/min~500 r/min。经X-粉末衍射确定,该工艺下的产品晶型为δ型。
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| 关 键 词： | 抗氧剂1010 结晶 粒度分布 |
| 文章编号： | 1004-9533（2005）06-0415-04 |
| 收稿时间： | 2004-06-14 |
| 修稿时间： | 2004-06-14 |
Effect of Crystallization Processes on Granularity Distribution of Antioxidant 1010 |
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| WANG Yong-li,DING Shu-cheng,REN Guo-bin. Effect of Crystallization Processes on Granularity Distribution of Antioxidant 1010[J]. Chemical Industry and Engineering, 2005, 22(6): 415-418 |
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| Authors: | WANG Yong-li DING Shu-cheng REN Guo-bin |
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| Affiliation: | (The State R & D Center in Industrialization and Crystallization Technology,Tianjin University,Tianjin 300072,China |
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| Abstract: | The antioxidant 1010 has been prepared with mixture of methanol,ethanol,low carbon alcohol and distilled water as solvent in laboratory.Effects of seed,stirring velocity curve,cooling speed and washing-up on granularity distribution of antioxidant 1010 have been studied.The results showed that the feasible seeds quantity inputted is 0.8%—1.0% of solute,temperature of seeds inputted is 56 ℃—60 ℃,stirring velocity is about 400 r/min—500 r/min.The crystalline in this crystallization technics is determined as δ with the help of X-ray diffraction. |
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