BRPI0401699A - Processo para a destilação de uma mistura de diisocianatodifenilmetanos isÈmeros - Google Patents

Processo para a destilação de uma mistura de diisocianatodifenilmetanos isÈmeros

Info

Publication number
BRPI0401699A
BRPI0401699A BR0401699-8A BRPI0401699A BRPI0401699A BR PI0401699 A BRPI0401699 A BR PI0401699A BR PI0401699 A BRPI0401699 A BR PI0401699A BR PI0401699 A BRPI0401699 A BR PI0401699A
Authority
BR
Brazil
Prior art keywords
distillation
mixture
isomers
diisocyanatodiphenylmethanes
diisocyanatodiphenylmethane
Prior art date
Application number
BR0401699-8A
Other languages
English (en)
Inventor
Hans-Peter Dr Schal
Ulrich Wolf
Bernd Thelen
Original Assignee
Bayer Materialscience Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32991948&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0401699(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE102004001872A external-priority patent/DE102004001872A1/de
Application filed by Bayer Materialscience Ag filed Critical Bayer Materialscience Ag
Publication of BRPI0401699A publication Critical patent/BRPI0401699A/pt

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)

Abstract

"PROCESSO PARA A DESTILAçãO DE UMA MISTURA DE DIISOCIANATODIFENILMETANOS ISÈMEROS". A invenção refere-se a um processo para a destilação de uma mistura de diisocianatodifenilmetanos isómeros, pelo menos constituídos de 2,2<39>-diisocianatodifenilmetano, 2,4<39>-diisocianatodifenilmetano e 4,4<39>-diisocianatodifenilmetano, sendo que a destilação é efetuada em pelo menos um estágio e em pelo menos um estágio de destilação é empregada uma coluna de parede de separação.
BR0401699-8A 2003-05-08 2004-05-06 Processo para a destilação de uma mistura de diisocianatodifenilmetanos isÈmeros BRPI0401699A (pt)

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
BRPI0401699A true BRPI0401699A (pt) 2005-02-22

Family

ID=32991948

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0401699-8A BRPI0401699A (pt) 2003-05-08 2004-05-06 Processo para a destilação de uma mistura de diisocianatodifenilmetanos isÈmeros

Country Status (8)

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)
SG (1) SG122820A1 (pt)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US20120004334A1 (en) 2009-03-24 2012-01-05 Dow Global Technologies Llc Production of rigid polyurethane foams and the use thereof
US9090540B2 (en) * 2010-09-24 2015-07-28 Dow Global Technologies Llc Process for the production of methylene diphenyl diisocyanate isomer mixtures with specific isomer distributions and new products derived
WO2012054633A2 (en) 2010-10-20 2012-04-26 Bioformix, Llc Synthesis of methylene malonates using rapid recovery in the presence of a heat transfer agent
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
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
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
US10414839B2 (en) 2010-10-20 2019-09-17 Sirrus, Inc. Polymers including a methylene beta-ketoester and products formed therefrom
US8907124B2 (en) 2010-11-17 2014-12-09 Basf Se Process for preparing methylenedi(phenyl isocyanate)
US9505711B2 (en) 2010-11-17 2016-11-29 Basf Se Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate
JP6046043B2 (ja) 2010-11-17 2016-12-14 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ ４，４’−メチレンジフェニルジイソシアネートを含む混合物を精錬するための方法
BR112013012094A2 (pt) 2010-11-17 2016-08-16 Basf Se método para a purifação de misturas
EP2640694B1 (de) 2010-11-17 2019-01-09 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
JP2014532625A (ja) 2011-10-19 2014-12-08 シラス・インコーポレイテッド メチレンβ−ジケトンモノマー、メチレンβ−ジケトンモノマーを製造するための方法、これらから作られる重合可能な組成物および製品
KR102008545B1 (ko) * 2011-11-30 2019-08-07 다우 글로벌 테크놀로지스 엘엘씨 높은 2,4'-메틸렌 디페닐 디이소시아네이트 순도를 갖는 메틸렌 디페닐 디이소시아네이트 이성체 혼합물의 제조 방법
DE102011087654A1 (de) 2011-12-02 2013-06-06 Bayer Materialscience Aktiengesellschaft Verfahren zur Herstellung von Isocyanaten
HUE035678T2 (en) 2012-03-19 2018-05-28 Covestro Deutschland Ag Process for the preparation of isocyanates
EP3626784A1 (en) 2012-03-30 2020-03-25 Sirrus, Inc. Ink and coating formulations and polymerizable systems for producing the same
EP2831125B1 (en) 2012-03-30 2016-10-05 Sirrus, Inc. Methods for activating polymerizable compositions, polymerizable systems, and products formed thereby
WO2013149168A1 (en) 2012-03-30 2013-10-03 Bioformix, Inc. Composite and laminate articles and polymerizable systems for producing the same
US10047192B2 (en) 2012-06-01 2018-08-14 Sirrus, Inc. Optical material and articles formed therefrom
EP2920231B1 (en) 2012-11-16 2020-05-06 Sirrus, Inc. Plastics bonding systems and methods
EP3712928A1 (en) 2012-11-30 2020-09-23 Sirrus, Inc. Composite compositions for electronics applications
CN105008321A (zh) 2013-01-11 2015-10-28 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
EP3160630B1 (de) 2014-06-24 2022-08-31 Covestro Intellectual Property GmbH & Co. KG Verfahren zur herstellung von chemischen produkten mit betriebsunterbrechungen
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
US9567475B1 (en) 2016-06-03 2017-02-14 Sirrus, Inc. Coatings containing polyester macromers containing 1,1-dicarbonyl-substituted 1 alkenes
US10428177B2 (en) 2016-06-03 2019-10-01 Sirrus, Inc. Water absorbing or water soluble polymers, intermediate compounds, and methods thereof
US9617377B1 (en) 2016-06-03 2017-04-11 Sirrus, Inc. Polyester macromers containing 1,1-dicarbonyl-substituted 1 alkenes
US10618871B2 (en) 2016-08-17 2020-04-14 Covestro Deutschland Ag Process for producing isocyanate and at least one further chemical product in an integrated production
WO2018041799A1 (de) 2016-09-01 2018-03-08 Covestro Deutschland Ag Verfahren zur herstellung von isocyanaten
CN110997751B (zh) 2017-07-03 2022-07-15 科思创德国股份有限公司 用于通过使h-官能反应物与光气反应制备化学产品的生产设备及其运行方法
EA202090743A1 (ru) * 2017-09-19 2020-06-19 Зульцер Мэнэджмент Аг Использование верхней разделительной перегородки в установке изомеризации
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
KR20220114554A (ko) 2019-12-18 2022-08-17 코베스트로 도이칠란트 아게 디페닐메탄 계열의 디- 및 폴리이소시아네이트를 생산하는 방법
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)

* Cited by examiner, † Cited by third party
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
DE2631168B2 (de) * 1976-07-10 1979-03-08 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Diisocyanatodiphenylmethan-Isomeren mit einem eingestellten Gehalt an Chlorverbindungen
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
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
US20030047438A1 (en) * 1998-05-06 2003-03-13 Sumitomo Heavy Industries, Ltd. Distillation apparatus and distillation method
JP3329732B2 (ja) * 1998-05-06 2002-09-30 住友重機械工業株式会社 蒸留装置
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

Also Published As

Publication number Publication date
HK1071355A1 (en) 2005-07-15
KR101075296B1 (ko) 2011-10-19
CN1310878C (zh) 2007-04-18
CN1550493A (zh) 2004-12-01
KR20040095700A (ko) 2004-11-15
US20040236139A1 (en) 2004-11-25
US7649108B2 (en) 2010-01-19
CA2466464A1 (en) 2004-11-08
SG122820A1 (en) 2006-06-29
JP2004331667A (ja) 2004-11-25
EP1475367B1 (de) 2010-07-07
JP4868717B2 (ja) 2012-02-01
EP1475367A1 (de) 2004-11-10

Similar Documents

Publication Publication Date Title
BRPI0401699A (pt) Processo para a destilação de uma mistura de diisocianatodifenilmetanos isÈmeros
BRPI0308385A8 (pt) processo para purificar uma composição compreendendo ácido (met)acrílico, aparelho para produzir ácido (met)acrílico e aparelho para polimerizar ácido (met)acrílico
BR0305842A (pt) Mistura curável, e, método
MXPA04003829A (es) Inhibidores de proteasa que escinden la post-prolina.
BRPI0519106A2 (pt) compostos, uso destes, processo para sua fabricaÇço, composiÇÕes farmacÊuticas, mÉtodo para o tratamento e/ou profilaxia de doenÇas que sço associadas com a dpp-iv
BR0313059B8 (pt) composto, e, composição farmacêutica
BRPI0202278B8 (pt) dispositivo para separar células originárias de tecido, processo para isolar células e kit para separar células originárias de tecido
BRPI0410741B8 (pt) composto imunossupressor, sua composição farmacêutica, e seus usos
BRPI0409454A (pt) compostos, processo para a sua manufatura, composições farmacêuticas que compreendem os mesmos, método para o tratamento e/ou profilaxia de enfermidades que estão associadas com o receptor de glucagon e sua utilização
PA8565901A1 (es) Derivados de dihidrobenzodiazepin-2-ona iii
BR0213336A (pt) Processo para a produção de um óleo base pesado com baixa névoa
BRPI0519496A2 (pt) processo para preparar um composto ou uma composiÇço, e, composiÇço
BR9803887A (pt) Macrociclos.
BR0010443A (pt) Processo para separação de olefinas de hidrocarbonetos saturados em uma carga de alimentação, e, composição de fischer-tropsch
BR0206531A (pt) Processos para a recuperação de uma composição enriquecida em componentes tetramantano e outros componentes diamantóides superiores, e de uma composição enriquecida em componentes tetramantano e pentamantano, composição compreendendo pelo menos componentes tetramantano e pentamantano, processo, e, processos para a recuperação do componente ou componentes diamantóides superiores selecionados, de uma composição enriquecida em um ou mais destes componentes, e de pelo menos um diamantóide superior selecionado
BR9604801A (pt) Processo para a produção e purificação de esteres cìclicos
BRPI0605387A (pt) processo para purificação fina de correntes que contêm 1-buteno
TW200639143A (en) A process for the distillation of a mixture of isomeric diisocyanatodiphenyl-methanes
BR0317857A (pt) Tratamento de anorexia nervosa (an) e bulimia
BR0302680A (pt) Dispositivo oftálmico contendo compostos heterocìclicos e métodos para produção dos mesmos
AR039664A1 (es) Composicion farmaceutica que comprende un inhibidor de lipasa y glucomanan
BRPI0414299A (pt) composições farmacêuticas de liberação modificada de modafinil
BR0311475B1 (pt) compostos elastomÉricos tendo uma alta carga de enchimento, mÉtodo para produÇço dos mesmos, e, uso de micro-sÍlica.
ES2061681T3 (es) Cromados sustituidos y compuestos relacionados en el tratamiento del asma.
BR0112727A (pt) Inibidor da polimerização para materiais contendo vinila

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 6A, 7A E 8A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2160 DE 29/05/2012.