CN101250190A - 由溶剂精制均苯四甲酸二酐的方法 - Google Patents
由溶剂精制均苯四甲酸二酐的方法 Download PDFInfo
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- CN101250190A CN101250190A CNA2008100233881A CN200810023388A CN101250190A CN 101250190 A CN101250190 A CN 101250190A CN A2008100233881 A CNA2008100233881 A CN A2008100233881A CN 200810023388 A CN200810023388 A CN 200810023388A CN 101250190 A CN101250190 A CN 101250190A
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101580509B (zh) * | 2009-06-03 | 2011-02-02 | 常熟市联邦化工有限公司 | 由二捕粗酐生产电子级均苯四甲酸二酐的方法 |
CN102336762A (zh) * | 2010-12-17 | 2012-02-01 | 常熟市联邦化工有限公司 | 一种均苯四甲酸二酐的溶剂精制方法 |
CN102911181A (zh) * | 2012-11-14 | 2013-02-06 | 曹永平 | 一种高纯度均苯四甲酸二酐的制备方法 |
CN104892621A (zh) * | 2015-05-25 | 2015-09-09 | 常熟联邦化工股份有限公司 | 一种溶剂精制法生产均苯四甲酸二酐的节能减排工艺 |
CN113583016A (zh) * | 2021-09-01 | 2021-11-02 | 潍坊弘润新材料有限公司 | 一种粗均苯四甲酸二酐提高纯度的方法及其装置和应用 |
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2008
- 2008-04-10 CN CNB2008100233881A patent/CN100475820C/zh active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101580509B (zh) * | 2009-06-03 | 2011-02-02 | 常熟市联邦化工有限公司 | 由二捕粗酐生产电子级均苯四甲酸二酐的方法 |
CN102336762A (zh) * | 2010-12-17 | 2012-02-01 | 常熟市联邦化工有限公司 | 一种均苯四甲酸二酐的溶剂精制方法 |
CN102911181A (zh) * | 2012-11-14 | 2013-02-06 | 曹永平 | 一种高纯度均苯四甲酸二酐的制备方法 |
CN104892621A (zh) * | 2015-05-25 | 2015-09-09 | 常熟联邦化工股份有限公司 | 一种溶剂精制法生产均苯四甲酸二酐的节能减排工艺 |
CN104892621B (zh) * | 2015-05-25 | 2017-04-26 | 常熟联邦化工股份有限公司 | 一种溶剂精制法生产均苯四甲酸二酐的节能减排工艺 |
CN113583016A (zh) * | 2021-09-01 | 2021-11-02 | 潍坊弘润新材料有限公司 | 一种粗均苯四甲酸二酐提高纯度的方法及其装置和应用 |
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