HK1071355A1 - Process for the distillation of a mixture of isomeric diisocyanatodiphenylmethanes - Google Patents

Process for the distillation of a mixture of isomeric diisocyanatodiphenylmethanes

Info

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
Application number
HK05104251A
Other languages
English (en)
Inventor
Hans-Peter 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=HK1071355(A1) "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 HK1071355A1 publication Critical patent/HK1071355A1/xx

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)
HK05104251A 2003-05-08 2005-05-20 Process for the distillation of a mixture of isomeric diisocyanatodiphenylmethanes HK1071355A1 (en)

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 (fr)
EP (1) EP1475367B1 (fr)
JP (1) JP4868717B2 (fr)
KR (1) KR101075296B1 (fr)
CN (1) CN1310878C (fr)
BR (1) BRPI0401699A (fr)
CA (1) CA2466464A1 (fr)
HK (1) HK1071355A1 (fr)
SG (1) SG122820A1 (fr)

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
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
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
WO2010095927A1 (fr) * 2009-02-23 2010-08-26 Gea Niro Pt B.V. Procédé pour cristalliser et séparer différents isomères de diisocyanate
BRPI1005963A2 (pt) 2009-03-24 2016-02-10 Dow Global Technologies Llc processo para preparar uma espuma rígida de poliuretano
EP2619176B1 (fr) * 2010-09-24 2017-11-01 Dow Global Technologies LLC Procédé de production de mélanges d'isomères de méthylène diphényl diisocyanate (mdi) avec répartitions spécifiques des isomères et nouveaux produits dérivés de ceux-ci
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
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
US8884051B2 (en) 2010-10-20 2014-11-11 Bioformix Inc. Synthesis of methylene malonates using rapid recovery in the presence of a heat transfer agent
US10414839B2 (en) 2010-10-20 2019-09-17 Sirrus, Inc. Polymers including a methylene beta-ketoester and products formed therefrom
JP2014500878A (ja) 2010-11-17 2014-01-16 ビーエーエスエフ ソシエタス・ヨーロピア 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
BR112013012255A2 (pt) 2010-11-17 2016-08-09 Basf Se processo para preparar di - isocianato de metileno difenila
US8907124B2 (en) 2010-11-17 2014-12-09 Basf Se Process for preparing methylenedi(phenyl isocyanate)
EP2640695B1 (fr) 2010-11-17 2015-01-07 Basf Se Procédé de purification de mélanges contenant du diisocyanate de 4,4'-méthylènediphényle
US20120123153A1 (en) * 2010-11-17 2012-05-17 Basf Se Method for purifying mixtures comprising 4,4'-methylenediphenyl diisocyanate
US9505711B2 (en) 2010-11-17 2016-11-29 Basf Se Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate
MX360463B (es) 2011-10-19 2018-11-05 Sirrus Inc Monomeros de beta-cetoester de metileno, procedimientos de fabricación de monomeros de beta-cetoester de metileno, composiciones polimerizables y productos formados a partir de las mismas.
CN104039757B (zh) * 2011-11-30 2019-01-04 陶氏环球技术有限责任公司 亚甲基二苯基二异氰酸酯异构体混合物的生产方法
DE102011087654A1 (de) 2011-12-02 2013-06-06 Bayer Materialscience Aktiengesellschaft Verfahren zur Herstellung von Isocyanaten
JP6113824B2 (ja) 2012-03-19 2017-04-12 バイエル・インテレクチュアル・プロパティ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツングＢａｙｅｒ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ ＧｍｂＨ イソシアネートの製造方法
CA2869108A1 (fr) 2012-03-30 2013-10-03 Bioformix Inc. Procedes d'activation de compositions polymerisables, systemes polymerisables, et produits formes
EP3153530B1 (fr) 2012-03-30 2021-02-24 Sirrus, Inc. Articles composites et laminés et systèmes polymérisables pour leur production
JP6345644B2 (ja) 2012-03-30 2018-06-20 シラス・インコーポレイテッド インク配合物およびコーティング配合物ならびにこれらを作製するための重合性の系
US10047192B2 (en) 2012-06-01 2018-08-14 Sirrus, Inc. Optical material and articles formed therefrom
WO2014078689A1 (fr) 2012-11-16 2014-05-22 Bioformix Inc. Systèmes et procédés de liaison de matières plastiques
US10607910B2 (en) 2012-11-30 2020-03-31 Sirrus, Inc. Composite compositions for electronics applications
EP2943462B1 (fr) 2013-01-11 2018-06-27 Sirrus, Inc. Procédé d'obtention de malonate de méthylène par l'intermédiaire de la voie du bis(hydroxyméthyl)malonate
DE102013207282A1 (de) * 2013-04-22 2014-11-06 Wacker Chemie Ag Verfahren und Vorrichtung zur destillativen Trennung eines Drei- oder Mehrkomponentengemisches
JP6640125B2 (ja) 2014-06-24 2020-02-05 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 運転の中断を伴う化学製品の製造方法
CN105457324B (zh) 2014-08-20 2019-12-27 科思创德国股份有限公司 隔板精馏塔
US9416091B1 (en) 2015-02-04 2016-08-16 Sirrus, Inc. Catalytic transesterification of ester compounds with groups reactive under transesterification conditions
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
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
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
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
HUE055741T2 (hu) 2016-08-17 2021-12-28 Covestro Intellectual Property Gmbh & Co Kg Eljárás és berendezés különféle vegyi termékek elõállítására
CN109641175B (zh) 2016-09-01 2021-07-30 科思创德国股份有限公司 制备异氰酸酯的方法
US11365172B2 (en) 2017-07-03 2022-06-21 Covestro Deutschland Ag Production plant for producing a chemical product by reacting H-functional reactants with phosgene, and method for operating same with an interruption to production
MX2020002915A (es) * 2017-09-19 2020-07-22 Sulzer Management Ag Uso de pared divisoria superior en unidad de isomerizacion.
EP3498689A1 (fr) 2017-12-14 2019-06-19 Sulzer Chemtech AG Installation et procédé de purification d'un monomère d'isomères, tel que le diisocyanate de 4,4'-méthylènediphényle, à partir d'un mélange brut
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
EP4077274B1 (fr) 2019-12-18 2024-08-07 Covestro Deutschland AG Procédé de fabrication de di- et polyisocyanates de la série du diphénylméthane
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 (fr) * 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

Also Published As

Publication number Publication date
EP1475367B1 (fr) 2010-07-07
SG122820A1 (en) 2006-06-29
JP4868717B2 (ja) 2012-02-01
US7649108B2 (en) 2010-01-19
JP2004331667A (ja) 2004-11-25
CN1550493A (zh) 2004-12-01
KR101075296B1 (ko) 2011-10-19
BRPI0401699A (pt) 2005-02-22
US20040236139A1 (en) 2004-11-25
EP1475367A1 (fr) 2004-11-10
CA2466464A1 (fr) 2004-11-08
CN1310878C (zh) 2007-04-18
KR20040095700A (ko) 2004-11-15

Similar Documents

Publication Publication Date Title
HK1071355A1 (en) Process for the distillation of a mixture of isomeric diisocyanatodiphenylmethanes
PT1686112T (pt) Processo para destilação de uma mistura de diisocianato-difenilimetanos isoméricos
EP1554281A4 (fr) Procede de preparation de certains composes de pyrrolotriazine
ZA200405256B (en) Process for the production of hydrocarbons
GB0202216D0 (en) Novel compounds
GB0222056D0 (en) Process for the manufacture of organic compounds
IL162817A0 (en) Process for the manufacture of organic compounds
GB0204129D0 (en) Process for the manufacture of organic compounds
GB0316546D0 (en) Process for the manufacture of organic compounds
EP1532985A4 (fr) Procede de production d'une composition liberation prolongee
EP1559736A4 (fr) Procede de production de compositions de resine
GB0210234D0 (en) Process for the manufacture of organic compounds
AU2003267565A8 (en) Process for the production of a fuel composition
AU2003273435A1 (en) Nitrile production from ethylenically unsaturated compounds
HUP0600231A2 (en) Novel process for the preparation of 2h-chromenes
GB0304927D0 (en) Process for the production of tibolone
AU2003242867A8 (en) Process for the synthesis of mosapride
GB0511682D0 (en) Process for the separation of racemic mixtures
AU2003235739A8 (en) A process for improving the production rate of compounding mixers
PL374274A1 (en) Method for the production of cyclohexanol from benzole
GB0413738D0 (en) Novel organofluorine compounds
SG111997A1 (en) Improved process for the preparation of polyalkylphenoxyaminoalkanes
PL371583A1 (en) Process for the preparation of 7alpha-methylsteroids
EG24122A (en) Process for the synthesis of 3-cyano-6-alkoxy-7-nitro-4-quinolines
PL377377A1 (pl) Nowe związki aminobenzofenonu

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