CN100400520C - 从tdi有机残渣提取甲基邻苯二胺及用其合成tta的方法 - Google Patents
从tdi有机残渣提取甲基邻苯二胺及用其合成tta的方法 Download PDFInfo
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- CN100400520C CN100400520C CNB2006100811929A CN200610081192A CN100400520C CN 100400520 C CN100400520 C CN 100400520C CN B2006100811929 A CNB2006100811929 A CN B2006100811929A CN 200610081192 A CN200610081192 A CN 200610081192A CN 100400520 C CN100400520 C CN 100400520C
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CNB2006100811929A CN100400520C (zh) | 2006-05-24 | 2006-05-24 | 从tdi有机残渣提取甲基邻苯二胺及用其合成tta的方法 |
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CNB2006100811929A CN100400520C (zh) | 2006-05-24 | 2006-05-24 | 从tdi有机残渣提取甲基邻苯二胺及用其合成tta的方法 |
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CN1844108A CN1844108A (zh) | 2006-10-11 |
CN100400520C true CN100400520C (zh) | 2008-07-09 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11618814B2 (en) | 2020-12-04 | 2023-04-04 | Covestro Llc | Elastomeric compositions containing a solid residue of isocyanate manufacturing |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102432557B (zh) * | 2011-09-29 | 2014-02-26 | 启东金美化学有限公司 | 一种苯并三氮唑紫外线吸收剂的精制方法 |
CN103613554B (zh) * | 2013-11-20 | 2016-06-22 | 南通波涛化工有限公司 | 一种苯并三氮唑/甲基苯并三氮唑的连续水洗萃取系统及其工艺 |
CN103787894B (zh) * | 2014-02-08 | 2015-09-16 | 济南大学 | 从甲苯二异氰酸酯制备过程中形成的残渣废料中回收甲苯二胺的方法 |
CN109824613B (zh) * | 2019-03-28 | 2020-10-16 | 江苏扬农化工集团有限公司 | 一种一步法生产bta并联产tta的方法 |
CN110041277A (zh) * | 2019-04-26 | 2019-07-23 | 江苏扬农化工集团有限公司 | 一种苯并三氮唑合成液连续化后处理的方法和装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3970667A (en) * | 1973-10-13 | 1976-07-20 | Hoechst Aktiengesellschaft | Process for the preparation of pure tolutriazoles |
US4299965A (en) * | 1980-06-30 | 1981-11-10 | Calgon Corporation | Preparation of benzotriazole |
CN1235161A (zh) * | 1999-03-27 | 1999-11-17 | 徐道如 | 甲基苯并三氮唑钠盐溶液的合成方法 |
CN1236778A (zh) * | 1999-03-24 | 1999-12-01 | 徐道如 | 甲基苯并三氮唑的合成方法 |
WO2004108656A1 (en) * | 2003-06-09 | 2004-12-16 | Hanwha Chemical Corporation | Method for recovering toluene diamine from high boiling tar residue discharged from toluene diisocyanate preparation process |
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- 2006-05-24 CN CNB2006100811929A patent/CN100400520C/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3970667A (en) * | 1973-10-13 | 1976-07-20 | Hoechst Aktiengesellschaft | Process for the preparation of pure tolutriazoles |
US4299965A (en) * | 1980-06-30 | 1981-11-10 | Calgon Corporation | Preparation of benzotriazole |
CN1236778A (zh) * | 1999-03-24 | 1999-12-01 | 徐道如 | 甲基苯并三氮唑的合成方法 |
CN1235161A (zh) * | 1999-03-27 | 1999-11-17 | 徐道如 | 甲基苯并三氮唑钠盐溶液的合成方法 |
WO2004108656A1 (en) * | 2003-06-09 | 2004-12-16 | Hanwha Chemical Corporation | Method for recovering toluene diamine from high boiling tar residue discharged from toluene diisocyanate preparation process |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11618814B2 (en) | 2020-12-04 | 2023-04-04 | Covestro Llc | Elastomeric compositions containing a solid residue of isocyanate manufacturing |
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CN1844108A (zh) | 2006-10-11 |
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Address after: Cangzhou City, Hebei Province, 061000 North Road Patentee after: Cangzhou Dahua Xinxing industry and Trade Co.,Ltd. Address before: 061000 Cangzhou City, Hebei Province North Central Road Cangzhou Dahua Group Star trade limited liability company Patentee before: Cangzhou Dahua Group Xinxing industry and Trade Co.,Ltd. Address after: 061000 Cangzhou City, Hebei Province North Central Road Cangzhou Dahua Group Star trade limited liability company Patentee after: Cangzhou Dahua Group Xinxing industry and Trade Co.,Ltd. Address before: Cangzhou City, Hebei Province, 061000 North Road Patentee before: Xinxing Industry&Trade Co., Ltd., Hebei Cangzhou Dahua Group |