BE681132A - - Google Patents

Info

Publication number
BE681132A
BE681132A BE681132DA BE681132A BE 681132 A BE681132 A BE 681132A BE 681132D A BE681132D A BE 681132DA BE 681132 A BE681132 A BE 681132A
Authority
BE
Belgium
Application number
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
Application filed filed Critical
Publication of BE681132A publication Critical patent/BE681132A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/10Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82Purification; Separation; Stabilisation; Use of additives
    • C07C209/84Purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/18Separation; Purification; Stabilisation; Use of additives
    • C07C263/20Separation; Purification
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4825Polyethers containing two hydroxy groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/721Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
    • C08G18/727Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80 comprising distillation residues or non-distilled raw phosgenation products
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7614Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • C08G18/7621Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0025Foam properties rigid
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0041Foam properties having specified density
    • C08G2110/005< 50kg/m3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
BE681132D 1965-05-17 1966-05-16 BE681132A (US07943777-20110517-C00090.png)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US45621565A 1965-05-17 1965-05-17
US46336065A 1965-06-11 1965-06-11
US81377169A 1969-04-04 1969-04-04

Publications (1)

Publication Number Publication Date
BE681132A true BE681132A (US07943777-20110517-C00090.png) 1966-10-31

Family

ID=27412660

Family Applications (2)

Application Number Title Priority Date Filing Date
BE631132D BE631132A (US07943777-20110517-C00090.png) 1965-05-17
BE681132D BE681132A (US07943777-20110517-C00090.png) 1965-05-17 1966-05-16

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE631132D BE631132A (US07943777-20110517-C00090.png) 1965-05-17

Country Status (4)

Country Link
US (2) US3420752A (US07943777-20110517-C00090.png)
BE (2) BE681132A (US07943777-20110517-C00090.png)
DE (1) DE1568011A1 (US07943777-20110517-C00090.png)
GB (1) GB1133668A (US07943777-20110517-C00090.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637514A (en) * 1969-06-20 1972-01-25 Allied Chem Vicinal toluenediamine mixtures
BE792000A (fr) * 1971-11-29 1973-03-16 Du Pont Compositions de polyisocyanates utilisables pour la fabricationde matieres polymeres
JPS504719B2 (US07943777-20110517-C00090.png) * 1972-03-18 1975-02-22
US3887502A (en) * 1972-05-12 1975-06-03 Olin Corp Preparation of rigid polyurethane foam having improved aging properties
JPS5029464B2 (US07943777-20110517-C00090.png) * 1972-11-15 1975-09-23 Sumitomo Chemical Co
US3978128A (en) * 1975-01-13 1976-08-31 General Motors Corporation Method of recovering amines by the hydrolytic decomposition of polyurethanes
DE3607665A1 (de) * 1986-03-08 1987-09-10 Bayer Ag Verfahren zur aufarbeitung waessriger aminloesungen
FR2777560B1 (fr) 1998-04-17 2000-06-09 Rhodia Chimie Sa Procede de purification de polyamines aromatiques
DE102005032430A1 (de) * 2005-07-12 2007-01-25 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiamin
RU2008115525A (ru) * 2005-09-22 2009-10-27 Хантсмэн Интернэшнл Ллс (Us) Способ получения полиизоцианатов
KR101531731B1 (ko) * 2007-11-27 2015-06-25 미쓰이 가가쿠 가부시키가이샤 톨릴렌다이아민의 탈수 방법 및 탈수 장치
CN105503620A (zh) * 2015-12-28 2016-04-20 甘肃银光聚银化工有限公司 一种提高邻位tda纯度的方法
EP3736263A1 (de) * 2019-05-07 2020-11-11 Covestro Deutschland AG Verfahren zur reinigung von isocyanaten
CN113735718A (zh) * 2021-09-27 2021-12-03 江苏科富恺机械设备有限公司 一种连续提纯间苯二胺的方法及系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1918997A (en) * 1930-12-01 1933-07-18 Du Pont Purification of arylamines
US3128310A (en) * 1955-09-09 1964-04-07 Bayer Ag Recovery of amines
GB966812A (en) * 1962-07-02 1964-08-19 Ici Ltd Purification of aromatic amines
US3215652A (en) * 1962-09-24 1965-11-02 Allied Chem Process for producing a rigid polyether-polyurethane foam

Also Published As

Publication number Publication date
US3420752A (en) 1969-01-07
BE631132A (US07943777-20110517-C00090.png)
GB1133668A (en) 1968-11-13
US3522285A (en) 1970-07-28
DE1568011A1 (de) 1970-04-30

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