HK1071355A1 - Process for the distillation of a mixture of isomeric diisocyanatodiphenylmethanes - Google Patents
Process for the distillation of a mixture of isomeric diisocyanatodiphenylmethanesInfo
- Publication number
- HK1071355A1 HK1071355A1 HK05104251A HK05104251A HK1071355A1 HK 1071355 A1 HK1071355 A1 HK 1071355A1 HK 05104251 A HK05104251 A HK 05104251A HK 05104251 A HK05104251 A HK 05104251A HK 1071355 A1 HK1071355 A1 HK 1071355A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- distillation
- mixture
- isomeric diisocyanatodiphenylmethanes
- diisocyanatodiphenylmethanes
- isomeric
- Prior art date
Links
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C265/00—Derivatives of isocyanic acid
- C07C265/12—Derivatives of isocyanic acid having isocyanate groups bound to carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C265/00—Derivatives of isocyanic acid
- C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10320504 | 2003-05-08 | ||
DE102004001872A DE102004001872A1 (de) | 2003-05-08 | 2004-01-14 | Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1071355A1 true HK1071355A1 (en) | 2005-07-15 |
Family
ID=32991948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK05104251A HK1071355A1 (en) | 2003-05-08 | 2005-05-20 | Process for the distillation of a mixture of isomeric diisocyanatodiphenylmethanes |
Country Status (9)
Country | Link |
---|---|
US (1) | US7649108B2 (pt) |
EP (1) | EP1475367B1 (pt) |
JP (1) | JP4868717B2 (pt) |
KR (1) | KR101075296B1 (pt) |
CN (1) | CN1310878C (pt) |
BR (1) | BRPI0401699A (pt) |
CA (1) | CA2466464A1 (pt) |
HK (1) | HK1071355A1 (pt) |
SG (1) | SG122820A1 (pt) |
Families Citing this family (51)
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DE102005004170A1 (de) * | 2005-01-29 | 2006-08-03 | Bayer Materialscience Ag | Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane |
DE102005026864A1 (de) * | 2005-06-10 | 2006-12-14 | Bayer Materialscience Ag | Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat |
DE102005055189A1 (de) | 2005-11-19 | 2007-05-24 | Bayer Materialscience Ag | Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat |
CN101003497B (zh) * | 2007-01-09 | 2010-05-19 | 宁波万华聚氨酯有限公司 | 二苯基甲烷二异氰酸酯的同分异构体混合物的蒸馏处理方法 |
CN101003498B (zh) * | 2007-01-09 | 2010-05-19 | 宁波万华聚氨酯有限公司 | 一种储存周期延长的4,4’-二苯基甲烷二异氰酸酯的制备方法 |
EP2398767B1 (en) * | 2009-02-23 | 2015-05-13 | GEA Niro PT B.V. | Process for crystallizing and separating different diisocyanate isomers |
EP2411436B1 (en) | 2009-03-24 | 2013-02-20 | Dow Global Technologies LLC | Production of rigid polyurethane foams and the use thereof |
CN103180292B (zh) * | 2010-09-24 | 2015-09-16 | 陶氏环球技术有限责任公司 | 生产具有特定的异构体分布的亚甲基二苯基二异氰酸酯异构体的混合物和由其衍生的新产物的方法 |
US9249265B1 (en) | 2014-09-08 | 2016-02-02 | Sirrus, Inc. | Emulsion polymers including one or more 1,1-disubstituted alkene compounds, emulsion methods, and polymer compositions |
US9828324B2 (en) | 2010-10-20 | 2017-11-28 | Sirrus, Inc. | Methylene beta-diketone monomers, methods for making methylene beta-diketone monomers, polymerizable compositions and products formed therefrom |
SG189933A1 (en) | 2010-10-20 | 2013-06-28 | Bioformix Llc | Synthesis of methylene malonates substantially free of impurities |
US10414839B2 (en) | 2010-10-20 | 2019-09-17 | Sirrus, Inc. | Polymers including a methylene beta-ketoester and products formed therefrom |
US9279022B1 (en) | 2014-09-08 | 2016-03-08 | Sirrus, Inc. | Solution polymers including one or more 1,1-disubstituted alkene compounds, solution polymerization methods, and polymer compositions |
US8907124B2 (en) | 2010-11-17 | 2014-12-09 | Basf Se | Process for preparing methylenedi(phenyl isocyanate) |
WO2012065927A1 (de) | 2010-11-17 | 2012-05-24 | Basf Se | Verfahren zur herstellung von methylendiphenyldiisocyanat |
US20120123153A1 (en) * | 2010-11-17 | 2012-05-17 | Basf Se | Method for purifying mixtures comprising 4,4'-methylenediphenyl diisocyanate |
WO2012066001A1 (de) | 2010-11-17 | 2012-05-24 | Basf Se | Verfahren zur aufreinigung von 4,4'-methylendiphenyldiisocyanat enthaltenden mischungen |
US9505711B2 (en) | 2010-11-17 | 2016-11-29 | Basf Se | Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate |
WO2012065995A1 (de) | 2010-11-17 | 2012-05-24 | Basf Se | Verfahren zur aufreinigung von 4,4'-methylendiphenyldiisocyanat enthaltenden mischungen |
US9221739B2 (en) | 2011-10-19 | 2015-12-29 | Sirrus, Inc. | Methylene beta-diketone monomers, methods for making methylene beta-diketone monomers, polymerizable compositions and products formed therefrom |
EP2785685B1 (en) * | 2011-11-30 | 2017-09-27 | Dow Global Technologies LLC | Process for the production of methylene diphenyl diisocyanate isomer mixtures with high 2,4'- methylene diphenyl diisocyanate purity |
DE102011087654A1 (de) | 2011-12-02 | 2013-06-06 | Bayer Materialscience Aktiengesellschaft | Verfahren zur Herstellung von Isocyanaten |
KR102020697B1 (ko) | 2012-03-19 | 2019-09-10 | 바이엘 인텔렉쳐 프로퍼티 게엠베하 | 이소시아네이트를 제조하는 방법 |
WO2013149173A1 (en) | 2012-03-30 | 2013-10-03 | Bioformix Inc. | Ink and coating formulations and polymerizable systems for producing the same |
CA2869108A1 (en) | 2012-03-30 | 2013-10-03 | Bioformix Inc. | Methods for activating polymerizable compositions, polymerizable systems, and products formed thereby |
US10913875B2 (en) | 2012-03-30 | 2021-02-09 | Sirrus, Inc. | Composite and laminate articles and polymerizable systems for producing the same |
WO2013181600A2 (en) | 2012-06-01 | 2013-12-05 | Bioformix Inc. | Optical material and articles formed therefrom |
WO2014078689A1 (en) | 2012-11-16 | 2014-05-22 | Bioformix Inc. | Plastics bonding systems and methods |
EP2926368B1 (en) | 2012-11-30 | 2020-04-08 | Sirrus, Inc. | Electronic assembly |
CN110204441A (zh) | 2013-01-11 | 2019-09-06 | 瑟拉斯公司 | 经过双(羟甲基)丙二酸酯的途径获得亚甲基丙二酸酯的方法 |
DE102013207282A1 (de) * | 2013-04-22 | 2014-11-06 | Wacker Chemie Ag | Verfahren und Vorrichtung zur destillativen Trennung eines Drei- oder Mehrkomponentengemisches |
PT3160630T (pt) | 2014-06-24 | 2022-11-21 | Covestro Intellectual Property Gmbh & Co Kg | Processo para a produção de produtos químicos com interrupções do processo |
CN105457324B (zh) | 2014-08-20 | 2019-12-27 | 科思创德国股份有限公司 | 隔板精馏塔 |
US9315597B2 (en) | 2014-09-08 | 2016-04-19 | Sirrus, Inc. | Compositions containing 1,1-disubstituted alkene compounds for preparing polymers having enhanced glass transition temperatures |
US9416091B1 (en) | 2015-02-04 | 2016-08-16 | Sirrus, Inc. | Catalytic transesterification of ester compounds with groups reactive under transesterification conditions |
US10501400B2 (en) | 2015-02-04 | 2019-12-10 | Sirrus, Inc. | Heterogeneous catalytic transesterification of ester compounds with groups reactive under transesterification conditions |
US9334430B1 (en) | 2015-05-29 | 2016-05-10 | Sirrus, Inc. | Encapsulated polymerization initiators, polymerization systems and methods using the same |
US9217098B1 (en) | 2015-06-01 | 2015-12-22 | Sirrus, Inc. | Electroinitiated polymerization of compositions having a 1,1-disubstituted alkene compound |
US9518001B1 (en) | 2016-05-13 | 2016-12-13 | Sirrus, Inc. | High purity 1,1-dicarbonyl substituted-1-alkenes and methods for their preparation |
US10196481B2 (en) | 2016-06-03 | 2019-02-05 | Sirrus, Inc. | Polymer and other compounds functionalized with terminal 1,1-disubstituted alkene monomer(s) and methods thereof |
US10428177B2 (en) | 2016-06-03 | 2019-10-01 | Sirrus, Inc. | Water absorbing or water soluble polymers, intermediate compounds, and methods thereof |
US9567475B1 (en) | 2016-06-03 | 2017-02-14 | Sirrus, Inc. | Coatings containing polyester macromers containing 1,1-dicarbonyl-substituted 1 alkenes |
US9617377B1 (en) | 2016-06-03 | 2017-04-11 | Sirrus, Inc. | Polyester macromers containing 1,1-dicarbonyl-substituted 1 alkenes |
PT3500553T (pt) | 2016-08-17 | 2021-07-29 | Covestro Deutschland Ag | Processo para a produção de isocianato e pelo menos um outro produto químico num sistema de produção integrada |
PT3506993T (pt) | 2016-09-01 | 2021-04-01 | Covestro Intellectual Property Gmbh & Co Kg | Método para produção de isocianatos |
JP7218311B2 (ja) | 2017-07-03 | 2023-02-06 | コベストロ、ドイチュラント、アクチエンゲゼルシャフト | H官能性反応物をホスゲンと反応させて化学製品を製造するための製造施設およびその稼働方法 |
PL3664906T3 (pl) * | 2017-09-19 | 2023-12-04 | Sulzer Management Ag | Zastosowanie górnej pionowej przegrody w jednostce izomeryzacji |
EP3498689A1 (en) * | 2017-12-14 | 2019-06-19 | Sulzer Chemtech AG | A plant and method for purifying an isomeric monomer, such as 4,4'-methylene diphenyl diisocyanate, from a crude mixture |
US11207611B1 (en) | 2018-07-03 | 2021-12-28 | Burns & Mcdonnell Engineering Company, Inc. | Process for separating hydrocarbons in a liquid feed utilizing an externally heated reboiler connected to a divided wall column as the primary source of heat energy |
WO2021122625A1 (de) | 2019-12-18 | 2021-06-24 | Covestro Deutschland Ag | Verfahren zur herstellung von di- und polyisocyanaten der diphenylmethanreihe |
RU2750198C1 (ru) * | 2020-08-13 | 2021-06-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" (РХТУ им. Д.И. Менделеева) | Способ получения метилендифенилдиизоцианата |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2471134A (en) * | 1946-07-17 | 1949-05-24 | Standard Oil Dev Co | Fractionation apparatus |
DE2123183A1 (pt) * | 1971-05-11 | 1972-12-14 | ||
GB1423993A (en) | 1972-05-04 | 1976-02-04 | Ici Ltd | Process for the crystallisation of diphenylmethane diisocyanate from a crude undistilled polyisocyanate mixture |
GB1417087A (en) | 1973-05-29 | 1975-12-10 | Ici Ltd | Polyisocyanates |
US4189354A (en) * | 1976-07-10 | 1980-02-19 | Bayer Aktiengesellschaft | Process for the production of diisocyanatodiphenyl methane isomers with an adjusted content of chlorine compounds |
DE2631168B2 (de) * | 1976-07-10 | 1979-03-08 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Diisocyanatodiphenylmethan-Isomeren mit einem eingestellten Gehalt an Chlorverbindungen |
DE2933601C2 (de) * | 1979-08-18 | 1985-07-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Gewinnung von Mischungen aus Diphenyl-methan-diisocyanat-Isomeren und gegebenenfalls reinem 4,4'-Diphenylmethan-diisocyanat mit einem geringen Gehalt an Uretdionen und hydrolysierbaren Chlorverbindungen |
DE3145010A1 (de) * | 1981-11-12 | 1983-05-19 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von 4,4'-diisocyanatodiphenylmethan |
JP2951782B2 (ja) * | 1991-12-17 | 1999-09-20 | 三井化学株式会社 | 4,4’−ジフェニルメタンジイソシアネートの製造方法 |
JPH09299702A (ja) * | 1996-05-16 | 1997-11-25 | Kyowa Yuka Kk | 蒸留方法 |
JP3329732B2 (ja) * | 1998-05-06 | 2002-09-30 | 住友重機械工業株式会社 | 蒸留装置 |
US20030047438A1 (en) * | 1998-05-06 | 2003-03-13 | Sumitomo Heavy Industries, Ltd. | Distillation apparatus and distillation method |
JP3329750B2 (ja) * | 1998-11-05 | 2002-09-30 | 住友重機械工業株式会社 | 蒸留装置及びその蒸留方法 |
-
2004
- 2004-04-24 EP EP04009786A patent/EP1475367B1/de not_active Revoked
- 2004-05-04 US US10/838,456 patent/US7649108B2/en not_active Expired - Fee Related
- 2004-05-05 CA CA002466464A patent/CA2466464A1/en not_active Abandoned
- 2004-05-05 SG SG200402398A patent/SG122820A1/en unknown
- 2004-05-06 BR BR0401699-8A patent/BRPI0401699A/pt not_active IP Right Cessation
- 2004-05-07 JP JP2004138421A patent/JP4868717B2/ja not_active Expired - Fee Related
- 2004-05-07 KR KR1020040032071A patent/KR101075296B1/ko not_active IP Right Cessation
- 2004-05-08 CN CNB2004100430434A patent/CN1310878C/zh not_active Expired - Fee Related
-
2005
- 2005-05-20 HK HK05104251A patent/HK1071355A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1550493A (zh) | 2004-12-01 |
KR20040095700A (ko) | 2004-11-15 |
JP4868717B2 (ja) | 2012-02-01 |
US20040236139A1 (en) | 2004-11-25 |
US7649108B2 (en) | 2010-01-19 |
JP2004331667A (ja) | 2004-11-25 |
KR101075296B1 (ko) | 2011-10-19 |
EP1475367B1 (de) | 2010-07-07 |
EP1475367A1 (de) | 2004-11-10 |
BRPI0401699A (pt) | 2005-02-22 |
CN1310878C (zh) | 2007-04-18 |
CA2466464A1 (en) | 2004-11-08 |
SG122820A1 (en) | 2006-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20110508 |