CN101698652A - 一种tdi生产中循环溶剂的净化方法 - Google Patents
一种tdi生产中循环溶剂的净化方法 Download PDFInfo
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- CN101698652A CN101698652A CN200910210659A CN200910210659A CN101698652A CN 101698652 A CN101698652 A CN 101698652A CN 200910210659 A CN200910210659 A CN 200910210659A CN 200910210659 A CN200910210659 A CN 200910210659A CN 101698652 A CN101698652 A CN 101698652A
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101850232A (zh) * | 2010-06-25 | 2010-10-06 | 蓝星化工有限责任公司 | 第一脱邻二氯苯塔 |
CN104014174A (zh) * | 2014-06-18 | 2014-09-03 | 常州药物研究所有限公司 | 一种用于交联透明质酸钠生产的产品纯化装置 |
CN104311454A (zh) * | 2014-11-05 | 2015-01-28 | 朱忠良 | 一种甲苯二异氰酸酯的分离方法 |
WO2015149381A1 (zh) * | 2014-04-01 | 2015-10-08 | 万华化学集团股份有限公司 | 一种光气法制异氰酸酯的溶剂精制方法及所使用的装置 |
CN105384633A (zh) * | 2015-12-14 | 2016-03-09 | 青岛科技大学 | 一种用于重溶剂法tdi残渣的连续式脱除方法 |
CN105461594A (zh) * | 2015-12-14 | 2016-04-06 | 青岛科技大学 | 一种降低重溶剂法tdi产品酸值的方法 |
CN105503655A (zh) * | 2015-12-14 | 2016-04-20 | 青岛科技大学 | 一种用于重溶剂法tdi产品的酸值降低装置 |
CN107382777A (zh) * | 2017-07-12 | 2017-11-24 | 黄河三角洲京博化工研究院有限公司 | 一种降低异氰酸酯中氯代衍生物含量的方法 |
CN108744706A (zh) * | 2018-06-08 | 2018-11-06 | 福建省东南电化股份有限公司 | 一种光气溶液自动过滤装置 |
CN110000193A (zh) * | 2019-04-16 | 2019-07-12 | 福建工程学院 | 一种用于处置tdi焦油残渣的方法 |
WO2020132936A1 (zh) * | 2018-12-26 | 2020-07-02 | 万华化学集团股份有限公司 | 一种在气相中制备异氰酸酯的方法 |
CN114044746A (zh) * | 2021-12-07 | 2022-02-15 | 万华化学集团股份有限公司 | 一种低pi类物质含量异氰酸酯及其制备方法 |
WO2022077429A1 (zh) * | 2020-10-16 | 2022-04-21 | 万华化学集团股份有限公司 | 光气化反应生产中的循环溶剂及其除杂方法 |
CN114380714A (zh) * | 2020-10-16 | 2022-04-22 | 万华化学集团股份有限公司 | 光气化反应生产中的循环溶剂及其除杂方法 |
WO2022147830A1 (zh) * | 2021-01-11 | 2022-07-14 | 万华化学集团股份有限公司 | 一种制备多异氰酸酯的方法及反应装置 |
CN116041219A (zh) * | 2022-12-16 | 2023-05-02 | 甘肃银光聚银化工有限公司 | 一种精制五亚甲基二异氰酸酯的方法 |
Family Cites Families (3)
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DE10260092A1 (de) * | 2002-12-19 | 2004-07-01 | Basf Ag | Verfahren zur Reinigung von Isocyanaten |
US7547801B2 (en) * | 2006-06-26 | 2009-06-16 | Bayer Materialscience Llc | Process for the continuous preparation of isocyanates |
CN101348446A (zh) * | 2008-04-25 | 2009-01-21 | 甘肃银光化学工业集团有限公司 | 用于tdi生产的光气脱除方法 |
-
2009
- 2009-11-05 CN CN200910210659.9A patent/CN101698652B/zh not_active Expired - Fee Related
Cited By (26)
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CN101850232B (zh) * | 2010-06-25 | 2013-06-19 | 蓝星化工有限责任公司 | 第一脱邻二氯苯塔 |
CN101850232A (zh) * | 2010-06-25 | 2010-10-06 | 蓝星化工有限责任公司 | 第一脱邻二氯苯塔 |
CN104974010B (zh) * | 2014-04-01 | 2016-10-26 | 万华化学集团股份有限公司 | 一种光气法制异氰酸酯的溶剂精制方法及所使用的装置 |
US9840462B2 (en) * | 2014-04-01 | 2017-12-12 | Wanhua Chemical Group Co., Ltd. | Solvent refining method for isocyanate prepared by phosgene method and devices used in same |
WO2015149381A1 (zh) * | 2014-04-01 | 2015-10-08 | 万华化学集团股份有限公司 | 一种光气法制异氰酸酯的溶剂精制方法及所使用的装置 |
CN104974010A (zh) * | 2014-04-01 | 2015-10-14 | 万华化学集团股份有限公司 | 一种光气法制异氰酸酯的溶剂精制方法及所使用的装置 |
US20170022152A1 (en) * | 2014-04-01 | 2017-01-26 | Wanhua Chemical Group Co., Ltd. | Solvent refining method for isocyanate prepared by phosgene method and devices used in same |
CN104014174A (zh) * | 2014-06-18 | 2014-09-03 | 常州药物研究所有限公司 | 一种用于交联透明质酸钠生产的产品纯化装置 |
CN104311454A (zh) * | 2014-11-05 | 2015-01-28 | 朱忠良 | 一种甲苯二异氰酸酯的分离方法 |
CN105503655A (zh) * | 2015-12-14 | 2016-04-20 | 青岛科技大学 | 一种用于重溶剂法tdi产品的酸值降低装置 |
CN105461594A (zh) * | 2015-12-14 | 2016-04-06 | 青岛科技大学 | 一种降低重溶剂法tdi产品酸值的方法 |
CN105503655B (zh) * | 2015-12-14 | 2017-07-04 | 青岛科技大学 | 一种用于重溶剂法tdi产品的酸值降低装置 |
CN105384633A (zh) * | 2015-12-14 | 2016-03-09 | 青岛科技大学 | 一种用于重溶剂法tdi残渣的连续式脱除方法 |
CN107382777A (zh) * | 2017-07-12 | 2017-11-24 | 黄河三角洲京博化工研究院有限公司 | 一种降低异氰酸酯中氯代衍生物含量的方法 |
CN107382777B (zh) * | 2017-07-12 | 2020-06-26 | 山东益丰生化环保股份有限公司 | 一种降低异氰酸酯中氯代衍生物含量的方法 |
CN108744706A (zh) * | 2018-06-08 | 2018-11-06 | 福建省东南电化股份有限公司 | 一种光气溶液自动过滤装置 |
WO2020132936A1 (zh) * | 2018-12-26 | 2020-07-02 | 万华化学集团股份有限公司 | 一种在气相中制备异氰酸酯的方法 |
EP3904336A4 (en) * | 2018-12-26 | 2022-08-10 | Wanhua Chemical Group Co., Ltd. | PROCESS FOR THE PREPARATION OF ISOCYANATE IN THE GAS PHASE |
US11814339B2 (en) | 2018-12-26 | 2023-11-14 | Wanhua Chemical Group Co., Ltd. | Method for preparing isocyanate in gaseous phase |
CN110000193A (zh) * | 2019-04-16 | 2019-07-12 | 福建工程学院 | 一种用于处置tdi焦油残渣的方法 |
WO2022077429A1 (zh) * | 2020-10-16 | 2022-04-21 | 万华化学集团股份有限公司 | 光气化反应生产中的循环溶剂及其除杂方法 |
CN114380714A (zh) * | 2020-10-16 | 2022-04-22 | 万华化学集团股份有限公司 | 光气化反应生产中的循环溶剂及其除杂方法 |
CN114380714B (zh) * | 2020-10-16 | 2023-08-11 | 万华化学集团股份有限公司 | 光气化反应生产中的循环溶剂及其除杂方法 |
WO2022147830A1 (zh) * | 2021-01-11 | 2022-07-14 | 万华化学集团股份有限公司 | 一种制备多异氰酸酯的方法及反应装置 |
CN114044746A (zh) * | 2021-12-07 | 2022-02-15 | 万华化学集团股份有限公司 | 一种低pi类物质含量异氰酸酯及其制备方法 |
CN116041219A (zh) * | 2022-12-16 | 2023-05-02 | 甘肃银光聚银化工有限公司 | 一种精制五亚甲基二异氰酸酯的方法 |
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