CN101698652B - 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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- CN101698652B CN101698652B CN200910210659.9A CN200910210659A CN101698652B CN 101698652 B CN101698652 B CN 101698652B CN 200910210659 A CN200910210659 A CN 200910210659A CN 101698652 B CN101698652 B CN 101698652B
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Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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 |
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 |
CN105461594B (zh) * | 2015-12-14 | 2017-10-27 | 青岛科技大学 | 一种降低重溶剂法tdi产品酸值的方法 |
CN105384633B (zh) * | 2015-12-14 | 2017-10-27 | 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 |
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 |
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 |
KR20210061385A (ko) | 2018-12-26 | 2021-05-27 | 완후아 케미컬 그룹 코., 엘티디 | 기상에서의 이소시아네이트 제조 방법 |
CN110000193B (zh) * | 2019-04-16 | 2021-09-21 | 福建工程学院 | 一种用于处置tdi焦油残渣的方法 |
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 |
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 |
HUP2300387A1 (hu) * | 2021-01-11 | 2024-01-28 | Wanhua Chemical Ningbo Co | Eljárás poliizocianát elõállítására és reagáltató berendezés ehhez |
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1729165A (zh) * | 2002-12-19 | 2006-02-01 | 巴斯福股份公司 | 异氰酸酯的提纯方法 |
CN101100447A (zh) * | 2006-06-26 | 2008-01-09 | 拜尔材料科学股份公司 | 连续制备异氰酸酯的方法 |
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 |
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2009
- 2009-11-05 CN CN200910210659.9A patent/CN101698652B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1729165A (zh) * | 2002-12-19 | 2006-02-01 | 巴斯福股份公司 | 异氰酸酯的提纯方法 |
CN101100447A (zh) * | 2006-06-26 | 2008-01-09 | 拜尔材料科学股份公司 | 连续制备异氰酸酯的方法 |
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 |
Non-Patent Citations (1)
Title |
---|
李井辉.甲苯二异氰酸酯生产技术研究进展.《辽宁化工》.2005,第34卷(第6期),255-257,270. * |
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Owner name: CHEMICAL CO., LTD. GANSU SILVER POLY SILVER Free format text: FORMER OWNER: GANSU YINDA CHEMICALS CO., LTD.;QINGDAO UNIVERSITY OF SCIENCE AND TECHNOLOGY Effective date: 20130903 |
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Effective date of registration: 20130903 Address after: 730900, No. 1, South Second Ring Road, Baiyin hi tech Industrial Park, Baiyin, Gansu Patentee after: Gansu Yinguang Juyin Chemical Industry Co., Ltd. Patentee after: Qingdao University of Science & Technology Address before: 730900 Gansu province Baiyin District Silver Road No. 1 Patentee before: Gansu Yinda Chemical Co., Ltd. Patentee before: Qingdao University of Science & Technology |
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