CN1052974C - 异氰酸酯的生产工艺和残余物的连续综合加工工艺 - Google Patents
异氰酸酯的生产工艺和残余物的连续综合加工工艺 Download PDFInfo
- Publication number
- CN1052974C CN1052974C CN94106154A CN94106154A CN1052974C CN 1052974 C CN1052974 C CN 1052974C CN 94106154 A CN94106154 A CN 94106154A CN 94106154 A CN94106154 A CN 94106154A CN 1052974 C CN1052974 C CN 1052974C
- Authority
- CN
- China
- Prior art keywords
- isocyanic ester
- resistates
- technology
- moisture eliminator
- product
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 239000012948 isocyanate Substances 0.000 title abstract description 21
- 150000002513 isocyanates Chemical class 0.000 title abstract description 20
- 238000000034 method Methods 0.000 title description 14
- 238000004519 manufacturing process Methods 0.000 title description 10
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 20
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 19
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 9
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims abstract description 6
- 150000001412 amines Chemical class 0.000 claims abstract description 6
- 238000009835 boiling Methods 0.000 claims abstract description 5
- 239000011541 reaction mixture Substances 0.000 claims abstract description 5
- 150000002148 esters Chemical class 0.000 claims description 42
- 238000005516 engineering process Methods 0.000 claims description 35
- 239000000203 mixture Substances 0.000 claims description 16
- 238000004821 distillation Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 239000013618 particulate matter Substances 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract description 2
- 238000010410 dusting Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 23
- 238000007599 discharging Methods 0.000 description 5
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 5
- 230000035611 feeding Effects 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 239000007859 condensation product Substances 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- -1 Cyanic acid ester Chemical class 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- OTEKOJQFKOIXMU-UHFFFAOYSA-N 1,4-bis(trichloromethyl)benzene Chemical compound ClC(Cl)(Cl)C1=CC=C(C(Cl)(Cl)Cl)C=C1 OTEKOJQFKOIXMU-UHFFFAOYSA-N 0.000 description 1
- 238000006887 Ullmann reaction Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000011243 crosslinked material Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N hexane Substances CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010909 process residue Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C07C263/20—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4317669A DE4317669A1 (de) | 1993-05-27 | 1993-05-27 | Verfahren zur Herstellung von Isocyanaten und kontinuierlichen Aufarbeitung des Rückstandes |
DEP4317669.0 | 1993-05-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1099026A CN1099026A (zh) | 1995-02-22 |
CN1052974C true CN1052974C (zh) | 2000-05-31 |
Family
ID=6489062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94106154A Expired - Fee Related CN1052974C (zh) | 1993-05-27 | 1994-05-27 | 异氰酸酯的生产工艺和残余物的连续综合加工工艺 |
Country Status (10)
Country | Link |
---|---|
US (1) | US5446196A (zh) |
EP (1) | EP0626368B1 (zh) |
JP (1) | JP3485632B2 (zh) |
KR (1) | KR100286883B1 (zh) |
CN (1) | CN1052974C (zh) |
BR (1) | BR9402087A (zh) |
CA (1) | CA2124287A1 (zh) |
DE (2) | DE4317669A1 (zh) |
ES (1) | ES2114630T3 (zh) |
TW (1) | TW275618B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110072845A (zh) * | 2016-12-21 | 2019-07-30 | 科思创德国股份有限公司 | 制备异氰酸酯的方法 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4430951C1 (de) * | 1994-08-31 | 1996-05-23 | Bayer Ag | Verfahren und Vorrichtung zur Abtrennung eines festen Rückstandes aus seiner Lösung im gerührten Gutbett |
FR2780966B1 (fr) * | 1998-07-10 | 2000-09-08 | Rhodia Chimie Sa | Procede de recuperation de composes dans les produits lourds issus de leur fabrication |
DE102005046816A1 (de) * | 2005-09-29 | 2007-04-05 | Basf Ag | Verfahren zur Aufreinigung von isocyanathaltigen Rückständen |
US9061971B2 (en) | 2005-09-29 | 2015-06-23 | Basf Aktiengesellschaft | Method for purifying residues containing isocyanates |
DE102006060181A1 (de) * | 2006-12-18 | 2008-06-19 | Bayer Materialscience Ag | Verfahren zur Herstellung von Toluylendiisocyanat |
DE102007020444A1 (de) | 2007-04-27 | 2008-11-06 | Bayer Materialscience Ag | Verfahren zur Oxidation eines Chlorwasserstoffenthaltenden Gasgemisches |
FR2918991B1 (fr) * | 2007-07-20 | 2012-05-11 | Rhodia Operations | Nouvelle utilisation des cokes issus de la fabrication du toluene diisocyanate |
DE102011051467A1 (de) | 2011-06-30 | 2013-01-03 | Buss-Sms-Canzler Gmbh | Verfahren zur Gewinnung von Toluylendiisocyanat aus flüssigen Rückständen der Toluylendiisocyanatherstellung |
CN104411681B (zh) * | 2012-07-11 | 2017-03-29 | 科思创德国股份有限公司 | 后处理由制备异氰酸酯产生的蒸馏残渣的方法 |
HUE035677T2 (hu) | 2013-08-19 | 2018-05-28 | Covestro Deutschland Ag | Eljárás szerves izocianátok kinyerésére az izocianát-elõállítás desztillációs maradékaiból |
EP3571185A1 (de) | 2017-01-18 | 2019-11-27 | Covestro Deutschland AG | Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen |
US10465090B2 (en) * | 2017-06-22 | 2019-11-05 | Covestro Llc | Powder coating compositions with a polymeric aromatic product of an aromatic isocyanate manufacturing process |
US10400112B2 (en) * | 2017-06-22 | 2019-09-03 | Covestro Llc | Powder coating compositions with a polymeric aromatic product of an aromatic isocyanate manufacturing process |
EP3549931A1 (de) * | 2018-04-06 | 2019-10-09 | Covestro Deutschland AG | Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen |
EP3597632A1 (de) * | 2018-07-18 | 2020-01-22 | Covestro Deutschland AG | Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen |
WO2020041427A1 (en) | 2018-08-21 | 2020-02-27 | Covestro Llc | Paving grade asphalt compositions and methods for their manufacture |
US10851239B2 (en) | 2018-11-07 | 2020-12-01 | Covestro Llc | Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams |
EP3948129A1 (de) | 2019-04-02 | 2022-02-09 | Covestro Intellectual Property GmbH & Co. KG | Trocknungsvorrichtung und ihre verwendung sowie verfahren zur herstellung eines isocyanats unter einsatz der trockungsvorrichtung |
EP3960728A1 (de) | 2020-08-24 | 2022-03-02 | Covestro Deutschland AG | Verfahren zur isocyanat-herstellung mit rezyklierender, thermisch oxidativer verwertung |
US11618814B2 (en) | 2020-12-04 | 2023-04-04 | Covestro Llc | Elastomeric compositions containing a solid residue of isocyanate manufacturing |
CN114478320A (zh) * | 2022-01-25 | 2022-05-13 | 浙江丽水有邦新材料有限公司 | 一种苯基异氰酸酯的生产方法及生产装置 |
WO2023208914A2 (en) | 2022-04-26 | 2023-11-02 | Basf Se | A process for storing a toluene diisocyanate and high boilers containing mixture and a process for working up a toluene diisocyanate comprising crude reaction product |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3457291A (en) * | 1965-04-01 | 1969-07-22 | Union Carbide Corp | Production of isocyanates |
US4216063A (en) * | 1977-07-12 | 1980-08-05 | Produits Chimiques Ugine Kuhlmann | Process for recovery of toluene diisocyanate |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2889257A (en) * | 1956-05-17 | 1959-06-02 | Du Pont | Distillation of tar residues |
CH506322A (de) * | 1969-03-17 | 1971-04-30 | List Heinz | Mehrspindelige Misch- und Knetmaschine |
US3971793A (en) * | 1972-07-25 | 1976-07-27 | Delalande S.A. | Certain 6-(dialkylamino, pyrrolidino and piperidino)ethoxy-4,7-dimethoxy-5-(3-phenyl-1-hydroxypropyl)2,3-dihydrobenzofurans |
DE2915830A1 (de) * | 1979-04-19 | 1980-10-23 | Basf Ag | Gewinnung von toluylendiisocyanat und/oder hoehersiedenden loesungsmitteln im wirbelbett aus destillationsrueckstaenden der toluylendiisocanat-herstellung |
SE8604441L (sv) * | 1986-10-20 | 1988-04-21 | Nobel Chematur Ab | Sett att utvinna isocyanater |
US5043470A (en) * | 1989-03-03 | 1991-08-27 | The Lubrizol Corporation | Process for distillation of crude isocyanate concentrates |
-
1993
- 1993-05-27 DE DE4317669A patent/DE4317669A1/de not_active Withdrawn
-
1994
- 1994-03-31 TW TW083102807A patent/TW275618B/zh active
- 1994-05-16 DE DE59405677T patent/DE59405677D1/de not_active Expired - Lifetime
- 1994-05-16 ES ES94107545T patent/ES2114630T3/es not_active Expired - Lifetime
- 1994-05-16 EP EP94107545A patent/EP0626368B1/de not_active Expired - Lifetime
- 1994-05-23 US US08/247,786 patent/US5446196A/en not_active Expired - Lifetime
- 1994-05-25 CA CA002124287A patent/CA2124287A1/en not_active Abandoned
- 1994-05-25 JP JP13394194A patent/JP3485632B2/ja not_active Expired - Fee Related
- 1994-05-26 BR BR9402087A patent/BR9402087A/pt not_active IP Right Cessation
- 1994-05-26 KR KR1019940011517A patent/KR100286883B1/ko not_active IP Right Cessation
- 1994-05-27 CN CN94106154A patent/CN1052974C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3457291A (en) * | 1965-04-01 | 1969-07-22 | Union Carbide Corp | Production of isocyanates |
US4216063A (en) * | 1977-07-12 | 1980-08-05 | Produits Chimiques Ugine Kuhlmann | Process for recovery of toluene diisocyanate |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110072845A (zh) * | 2016-12-21 | 2019-07-30 | 科思创德国股份有限公司 | 制备异氰酸酯的方法 |
CN110072845B (zh) * | 2016-12-21 | 2022-04-08 | 科思创德国股份有限公司 | 制备异氰酸酯的方法 |
Also Published As
Publication number | Publication date |
---|---|
DE59405677D1 (de) | 1998-05-20 |
JP3485632B2 (ja) | 2004-01-13 |
JPH06336469A (ja) | 1994-12-06 |
CA2124287A1 (en) | 1994-11-28 |
CN1099026A (zh) | 1995-02-22 |
EP0626368A1 (de) | 1994-11-30 |
EP0626368B1 (de) | 1998-04-15 |
ES2114630T3 (es) | 1998-06-01 |
DE4317669A1 (de) | 1994-12-01 |
BR9402087A (pt) | 1994-12-27 |
KR100286883B1 (ko) | 2001-04-16 |
TW275618B (zh) | 1996-05-11 |
US5446196A (en) | 1995-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
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: 20120802 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120802 Address after: Germany Leverkusen Patentee after: Carcoustics Techconsult GmbH Address before: Germany Leverkusen Patentee before: Bayer Aktiengesellschaft |
|
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 19950222 Assignee: Bayer Material Science (China) Co., Ltd. Assignor: Carcoustics Techconsult GmbH Contract record no.: 2012990000854 Denomination of invention: A process for the production of isocyanates and for the continuous working-up of the residue Granted publication date: 20000531 License type: Common License Record date: 20121128 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20000531 Termination date: 20130527 |