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
EP2398767B1 (fr) * 2009-02-23 2015-05-13 GEA Niro PT B.V. Procédé pour cristalliser et séparer différents isomères de diisocyanate
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
US10414839B2 (en) 2010-10-20 2019-09-17 Sirrus, Inc. Polymers including a methylene beta-ketoester and products formed therefrom
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
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
US8609885B2 (en) 2010-10-20 2013-12-17 Bioformix Inc. Synthesis of methylene malonates substantially free of impurities
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
PT2640694T (pt) 2010-11-17 2019-04-29 Basf Se Processo para a preparação de metileno difenil diisocianato
EP2640695B1 (fr) 2010-11-17 2015-01-07 Basf Se Procédé de purification de mélanges contenant du diisocyanate de 4,4'-méthylènediphényle
US9505711B2 (en) 2010-11-17 2016-11-29 Basf Se Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate
US20120123153A1 (en) * 2010-11-17 2012-05-17 Basf Se Method for purifying mixtures comprising 4,4'-methylenediphenyl diisocyanate
BR112013012094A2 (pt) 2010-11-17 2016-08-16 Basf Se método para a purifação de misturas
US8907124B2 (en) 2010-11-17 2014-12-09 Basf Se Process for preparing methylenedi(phenyl isocyanate)
US9512058B2 (en) 2011-10-19 2016-12-06 Sirrus Inc. Multifunctional monomers, methods for making multifunctional monomers, polymerizable compostions and products formed thereform
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
WO2013139703A1 (fr) 2012-03-19 2013-09-26 Bayer Intellectual Property Gmbh Procédé pour la préparation d'isocyanates
CA2869108A1 (fr) 2012-03-30 2013-10-03 Bioformix Inc. Procedes d'activation de compositions polymerisables, systemes polymerisables, et produits formes
CA2869115A1 (fr) 2012-03-30 2013-10-03 Bioformix Inc. Formulations d'encre et de revetement et systemes polymerisables pour la production desdites formulations
CA2869112A1 (fr) 2012-03-30 2013-10-03 Bioformix Inc. Articles stratifies et composites et systemes polymerisables pour les produire
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
EP2926368B1 (fr) 2012-11-30 2020-04-08 Sirrus, Inc. Ensemble électronique
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
SG11201610637WA (en) 2014-06-24 2017-01-27 Covestro Deutschland Ag Methods for producing chemical products with operation interruptions
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
US9617377B1 (en) 2016-06-03 2017-04-11 Sirrus, Inc. 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
JP7022113B2 (ja) 2016-08-17 2022-02-17 コベストロ、ドイチュラント、アクチエンゲゼルシャフト 統合された製造におけるイソシアネートおよび少なくとも１つの追加の化学製品の製造方法
JP6932768B2 (ja) 2016-09-01 2021-09-08 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
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
PL3664906T3 (pl) * 2017-09-19 2023-12-04 Sulzer Management Ag Zastosowanie górnej pionowej przegrody w jednostce izomeryzacji
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
WO2021122625A1 (fr) 2019-12-18 2021-06-24 Covestro Deutschland Ag Procédé de production de diisocyanates et de 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
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
KR101075296B1 (ko) 2011-10-19
US20040236139A1 (en) 2004-11-25
BRPI0401699A (pt) 2005-02-22
CN1550493A (zh) 2004-12-01
US7649108B2 (en) 2010-01-19
JP4868717B2 (ja) 2012-02-01
KR20040095700A (ko) 2004-11-15
EP1475367B1 (fr) 2010-07-07
CN1310878C (zh) 2007-04-18
CA2466464A1 (fr) 2004-11-08
JP2004331667A (ja) 2004-11-25
EP1475367A1 (fr) 2004-11-10
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