CN1467203A - 提纯甲苯二异氰酸酯混合物的方法 - Google Patents
提纯甲苯二异氰酸酯混合物的方法 Download PDFInfo
- Publication number
- CN1467203A CN1467203A CNA031410820A CN03141082A CN1467203A CN 1467203 A CN1467203 A CN 1467203A CN A031410820 A CNA031410820 A CN A031410820A CN 03141082 A CN03141082 A CN 03141082A CN 1467203 A CN1467203 A CN 1467203A
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- distillation tower
- phosgene
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 78
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000000746 purification Methods 0.000 title abstract description 13
- 239000000203 mixture Substances 0.000 title description 18
- 238000004821 distillation Methods 0.000 claims abstract description 125
- 239000002904 solvent Substances 0.000 claims abstract description 92
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 54
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 239000003960 organic solvent Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 33
- 239000000126 substance Substances 0.000 claims description 33
- 238000009835 boiling Methods 0.000 claims description 31
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 24
- 230000010354 integration Effects 0.000 claims description 22
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 20
- 238000005194 fractionation Methods 0.000 claims description 18
- 238000001577 simple distillation Methods 0.000 claims description 17
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000012948 isocyanate Substances 0.000 claims description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- 150000002513 isocyanates Chemical class 0.000 claims description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 4
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 claims description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 claims description 2
- QWVGKYWNOKOFNN-UHFFFAOYSA-N o-cresol Chemical compound CC1=CC=CC=C1O QWVGKYWNOKOFNN-UHFFFAOYSA-N 0.000 claims description 2
- 239000000047 product Substances 0.000 description 136
- 150000002148 esters Chemical class 0.000 description 34
- 238000009833 condensation Methods 0.000 description 18
- 230000005494 condensation Effects 0.000 description 18
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 15
- 239000000460 chlorine Substances 0.000 description 15
- 229910052801 chlorine Inorganic materials 0.000 description 15
- 150000001875 compounds Chemical class 0.000 description 14
- 239000007788 liquid Substances 0.000 description 14
- 238000001704 evaporation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- VOZKAJLKRJDJLL-UHFFFAOYSA-N tolylenediamine group Chemical group CC1=C(C=C(C=C1)N)N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 8
- 239000007859 condensation product Substances 0.000 description 7
- 229920002635 polyurethane Polymers 0.000 description 7
- 239000004814 polyurethane Substances 0.000 description 7
- DYSXLQBUUOPLBB-UHFFFAOYSA-N 2,3-dinitrotoluene Chemical compound CC1=CC=CC([N+]([O-])=O)=C1[N+]([O-])=O DYSXLQBUUOPLBB-UHFFFAOYSA-N 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 150000004985 diamines Chemical class 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 239000012263 liquid product Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000011555 saturated liquid Substances 0.000 description 4
- 239000006200 vaporizer Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 239000012442 inert solvent Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- CKDWPUIZGOQOOM-UHFFFAOYSA-N Carbamyl chloride Chemical compound NC(Cl)=O CKDWPUIZGOQOOM-UHFFFAOYSA-N 0.000 description 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 229950005499 carbon tetrachloride Drugs 0.000 description 1
- 229960001701 chloroform Drugs 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000000479 mixture part Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 239000011495 polyisocyanurate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02013461A EP1371634A1 (en) | 2002-06-14 | 2002-06-14 | Process for the purification of mixtures of toluenediisocyanate |
EP02013461.5 | 2002-06-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1467203A true CN1467203A (zh) | 2004-01-14 |
CN1239475C CN1239475C (zh) | 2006-02-01 |
Family
ID=29558346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031410820A Expired - Fee Related CN1239475C (zh) | 2002-06-14 | 2003-06-13 | 提纯甲苯二异氰酸酯混合物的方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6803483B2 (zh) |
EP (2) | EP1371634A1 (zh) |
JP (1) | JP4383098B2 (zh) |
KR (1) | KR100984460B1 (zh) |
CN (1) | CN1239475C (zh) |
AT (1) | ATE396172T1 (zh) |
CA (1) | CA2431441A1 (zh) |
DE (1) | DE60321087D1 (zh) |
MX (1) | MXPA03005247A (zh) |
TW (1) | TWI271212B (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101671277B (zh) * | 2009-09-18 | 2011-12-28 | 天津大学 | 一种甲苯二异氰酸酯连续生产中热集成的溶剂回收方法 |
CN101302174B (zh) * | 2006-05-13 | 2013-10-30 | 拜耳材料科技股份有限公司 | 生产异氰酸酯的方法 |
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 |
CN105502397A (zh) * | 2015-12-04 | 2016-04-20 | 沧州大化股份有限公司 | 一种光气混合物脱除CCl4的方法及其应用 |
CN109563028A (zh) * | 2016-08-17 | 2019-04-02 | 科思创德国股份有限公司 | 在生产联合体中制备异氰酸酯和至少一种其他化学产品的方法 |
CN110433517A (zh) * | 2019-08-23 | 2019-11-12 | 安徽广信农化股份有限公司 | 一种环己基异氰酸酯精馏塔 |
CN113274754A (zh) * | 2021-06-04 | 2021-08-20 | 浙江正荣香料有限公司 | 一种松节油精馏工艺 |
CN113321599A (zh) * | 2021-06-30 | 2021-08-31 | 甘肃银光聚银化工有限公司 | 一种制备高纯度间苯二亚甲基二异氰酸酯的方法 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE337297T1 (de) * | 2002-10-22 | 2006-09-15 | Bayer Materialscience Ag | Verfahren zur reinigung von diisocyanatotoluol unter verwendung einer destillationskolonne mit trennwand in der endreinigung |
DE10260027A1 (de) * | 2002-12-19 | 2004-07-08 | Basf Ag | Verfahren zur Abtrennung und Reinigung von Lösungsmittel von einem Reaktionsgemisch aus einer Isocyanatsynthese |
DE10260092A1 (de) * | 2002-12-19 | 2004-07-01 | Basf Ag | Verfahren zur Reinigung von Isocyanaten |
EP1976898B1 (de) * | 2006-01-13 | 2019-03-13 | Basf Se | Isocyanathaltige zubereitungen |
US8030522B2 (en) * | 2006-06-07 | 2011-10-04 | Bayer Materialscience Llc | Process for the production of toluene diisocyanate |
EP2042485A1 (en) * | 2007-09-28 | 2009-04-01 | Huntsman International Llc | Process for fractionating a mixture of polyisocyanates |
JP5479675B2 (ja) * | 2007-11-14 | 2014-04-23 | 三井化学株式会社 | トルエンジイソシアネートの製造方法 |
WO2010039972A2 (en) * | 2008-10-02 | 2010-04-08 | Dow Global Technologies Inc. | Apparatus, systems, and methods for purification of isocyanate mixtures |
JP2012530749A (ja) | 2009-06-26 | 2012-12-06 | ビーエーエスエフ ソシエタス・ヨーロピア | イソシアネート、好適には溶媒の再循環を伴うジイソシアネート及びポリイソシアネートの製造方法 |
KR101268285B1 (ko) | 2011-04-19 | 2013-05-28 | 동아대학교 산학협력단 | 내부 열교환 증류탑이 구비된 2 성분 분별증류장치 |
DE102011087654A1 (de) | 2011-12-02 | 2013-06-06 | Bayer Materialscience Aktiengesellschaft | Verfahren zur Herstellung von Isocyanaten |
CN110437108A (zh) | 2012-03-19 | 2019-11-12 | 科思创德国股份有限公司 | 制备异氰酸酯的方法 |
CN105121403B (zh) * | 2013-02-08 | 2017-12-08 | 科思创德国股份有限公司 | 从光气化的气体粗产物中分离由伯胺在气相中的光气化制备的异氰酸酯的方法 |
US10035079B2 (en) * | 2013-02-11 | 2018-07-31 | Gtc Technology Us Llc | Distillation system for reducing energy consumption by thermal coupling |
WO2014130066A1 (en) * | 2013-02-21 | 2014-08-28 | Gtc Technology Us Llc | Separation processes using divided columns |
WO2015144682A1 (de) | 2014-03-27 | 2015-10-01 | Bayer Material Science Ag | Verfahren zum betreiben einer gasphasenphosgenierungsanlage |
CN106458863B (zh) | 2014-03-27 | 2020-08-11 | 科思创德国股份有限公司 | 运行气相光气化装置的方法 |
CN106458842B (zh) | 2014-06-24 | 2020-02-11 | 科思创德国股份有限公司 | 具有运行中断的用于制备化学产物的方法 |
JP6913083B2 (ja) | 2015-09-30 | 2021-08-04 | コベストロ、ドイチュラント、アクチエンゲゼルシャフトCovestro Deutschland Ag | イソシアネートの製造方法 |
KR102039089B1 (ko) | 2016-12-15 | 2019-11-26 | 한화케미칼 주식회사 | 톨루엔디이소시아네이트 정제 방법 |
EP3421426A1 (de) * | 2017-06-29 | 2019-01-02 | Covestro Deutschland AG | Energieeffizientes verfahren zur bereitstellung von phosgen-dampf |
CN113651719B (zh) * | 2021-09-16 | 2023-08-04 | 宁夏瑞泰科技股份有限公司 | 一种六亚甲基二异氰酸酯光化液的精制方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2452805A1 (de) * | 1974-11-07 | 1976-05-20 | Basf Ag | Verfahren zur abtrennung von rueckstaenden der toluylendiisocyanatherstellung |
DE3736988C1 (de) * | 1987-10-31 | 1989-03-23 | Bayer Ag | Verfahren zur kontinuierlichen Herstellung von organischen Mono- und Polyisocyanaten |
EP0497538A3 (en) * | 1991-01-28 | 1993-01-13 | The Dow Chemical Company | Process for reducing hydrolyzable chloride in toluene diisocyanate |
DE4217019A1 (de) * | 1992-05-22 | 1993-11-25 | Bayer Ag | Verfahren zur Herstellung von aromatischen Diisocyanaten |
-
2002
- 2002-06-14 EP EP02013461A patent/EP1371634A1/en not_active Withdrawn
-
2003
- 2003-06-02 EP EP03012502A patent/EP1371636B1/en not_active Expired - Lifetime
- 2003-06-02 AT AT03012502T patent/ATE396172T1/de not_active IP Right Cessation
- 2003-06-02 DE DE60321087T patent/DE60321087D1/de not_active Expired - Lifetime
- 2003-06-09 US US10/457,105 patent/US6803483B2/en not_active Expired - Lifetime
- 2003-06-09 CA CA002431441A patent/CA2431441A1/en not_active Abandoned
- 2003-06-12 KR KR1020030037770A patent/KR100984460B1/ko active IP Right Grant
- 2003-06-12 MX MXPA03005247A patent/MXPA03005247A/es active IP Right Grant
- 2003-06-13 CN CNB031410820A patent/CN1239475C/zh not_active Expired - Fee Related
- 2003-06-13 JP JP2003168866A patent/JP4383098B2/ja not_active Expired - Fee Related
- 2003-06-13 TW TW092116029A patent/TWI271212B/zh not_active IP Right Cessation
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101302174B (zh) * | 2006-05-13 | 2013-10-30 | 拜耳材料科技股份有限公司 | 生产异氰酸酯的方法 |
CN101671277B (zh) * | 2009-09-18 | 2011-12-28 | 天津大学 | 一种甲苯二异氰酸酯连续生产中热集成的溶剂回收方法 |
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 |
CN105502397A (zh) * | 2015-12-04 | 2016-04-20 | 沧州大化股份有限公司 | 一种光气混合物脱除CCl4的方法及其应用 |
CN109563028A (zh) * | 2016-08-17 | 2019-04-02 | 科思创德国股份有限公司 | 在生产联合体中制备异氰酸酯和至少一种其他化学产品的方法 |
CN109563028B (zh) * | 2016-08-17 | 2021-11-19 | 科思创德国股份有限公司 | 在生产联合体中制备异氰酸酯和至少一种其他化学产品的方法 |
CN110433517A (zh) * | 2019-08-23 | 2019-11-12 | 安徽广信农化股份有限公司 | 一种环己基异氰酸酯精馏塔 |
CN113274754A (zh) * | 2021-06-04 | 2021-08-20 | 浙江正荣香料有限公司 | 一种松节油精馏工艺 |
CN113321599A (zh) * | 2021-06-30 | 2021-08-31 | 甘肃银光聚银化工有限公司 | 一种制备高纯度间苯二亚甲基二异氰酸酯的方法 |
Also Published As
Publication number | Publication date |
---|---|
ATE396172T1 (de) | 2008-06-15 |
JP4383098B2 (ja) | 2009-12-16 |
CN1239475C (zh) | 2006-02-01 |
CA2431441A1 (en) | 2003-12-14 |
DE60321087D1 (de) | 2008-07-03 |
EP1371636B1 (en) | 2008-05-21 |
EP1371634A1 (en) | 2003-12-17 |
KR20030096038A (ko) | 2003-12-24 |
US6803483B2 (en) | 2004-10-12 |
US20030233013A1 (en) | 2003-12-18 |
EP1371636A1 (en) | 2003-12-17 |
KR100984460B1 (ko) | 2010-09-29 |
TW200407184A (en) | 2004-05-16 |
MXPA03005247A (es) | 2004-09-06 |
JP2004155761A (ja) | 2004-06-03 |
TWI271212B (en) | 2007-01-21 |
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C06 | Publication | ||
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CARCOUSTICS TECHCONSULT GMBH Free format text: FORMER OWNER: BAYER AKTIENGESELLSCHAFT Effective date: 20120731 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20120731 Address after: Germany Leverkusen Patentee after: BAYER MATERIALSCIENCE AG Address before: Germany Leverkusen Patentee before: Bayer AG |
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EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20040114 Assignee: Bayer Intellectual Property GmbH Assignor: BAYER MATERIALSCIENCE AG Contract record no.: 2012990000854 Denomination of invention: Process for the purification of mixtures of toluenediisocyanate Granted publication date: 20060201 License type: Common License Record date: 20121128 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: Leverkusen, Germany Patentee after: COVESTRO DEUTSCHLAND AG Address before: Germany Leverkusen Patentee before: BAYER MATERIALSCIENCE AG |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060201 |