FR2047415A5 - - Google Patents

Info

Publication number
FR2047415A5
FR2047415A5 FR7016630A FR7016630A FR2047415A5 FR 2047415 A5 FR2047415 A5 FR 2047415A5 FR 7016630 A FR7016630 A FR 7016630A FR 7016630 A FR7016630 A FR 7016630A FR 2047415 A5 FR2047415 A5 FR 2047415A5
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7016630A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer 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
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of FR2047415A5 publication Critical patent/FR2047415A5/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene

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)
FR7016630A 1969-05-07 1970-05-06 Expired FR2047415A5 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691923214 DE1923214B2 (de) 1969-05-07 1969-05-07 Verfahren zur gleichzeitigen herstellung von reinem 4,4'-diphenylmethandiisocyanat und einem polyphenyl-polymethylen-polyisocyanatgemisch, polyphenylpolymethylen-polyisocyanate und deren verwendung zur herstellung von polyurethanlacken

Publications (1)

Publication Number Publication Date
FR2047415A5 true FR2047415A5 (ja) 1971-03-12

Family

ID=5733446

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7016630A Expired FR2047415A5 (ja) 1969-05-07 1970-05-06

Country Status (6)

Country Link
JP (1) JPS4948313B1 (ja)
BE (1) BE750080A (ja)
DE (1) DE1923214B2 (ja)
FR (1) FR2047415A5 (ja)
GB (1) GB1263439A (ja)
NL (1) NL7006542A (ja)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118410A (en) 1971-02-04 1978-10-03 Gottfried Reuter Gmbh I.L. Polyphenyl-polymethylene-polyisocyanate mixtures
DE2105193C3 (de) * 1971-02-04 1981-07-09 Chemie-Anlagenbau Bischofsheim GmbH, 4500 Osnabrück Verfahren zur Trennung eines organischen Polyisocyanatgemisches
US3892634A (en) * 1973-02-20 1975-07-01 Upjohn Co Separation of 2,4{40 {0 and 4,4{40 {0 methylene bis(phenyl isocyanate) from polymethylene polyphenyl polyisocyanates
JPS5262937A (en) * 1975-11-19 1977-05-24 Nishikawa Gomu Kougiyou Kk Method of waterrproof gutter construction of concrete joint and waterrproof gutter
DE2623401C3 (de) * 1976-05-25 1981-07-16 Bayer Ag, 5090 Leverkusen Verfahren zur lösungsmittelfreien Herstellung von massiven Kunststoff-Formteilen
DE3145010A1 (de) 1981-11-12 1983-05-19 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 4,4'-diisocyanatodiphenylmethan
EP1518874B1 (de) * 2003-09-24 2006-12-13 Basf Aktiengesellschaft Monomerarmes Gemisch, enthaltend polymeres MDI
DE102004005319A1 (de) * 2004-02-04 2005-08-25 Bayer Materialscience Ag Verfahren zur Herstellung von hochreinem 2,4'-Methylendiphenyldiisocyanat
DE102005055189A1 (de) * 2005-11-19 2007-05-24 Bayer Materialscience Ag Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat
PT2640694T (pt) 2010-11-17 2019-04-29 Basf Se Processo para a preparação de metileno difenil diisocianato
US9505711B2 (en) 2010-11-17 2016-11-29 Basf Se Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate
CN103339106B (zh) 2010-11-17 2015-09-09 巴斯夫欧洲公司 纯化包括4,4’-亚甲基二苯基二异氰酸酯的混合物的方法
CN103313967B (zh) 2010-11-17 2014-12-24 巴斯夫欧洲公司 纯化含有4,4’-亚甲基二苯基二异氰酸酯的混合物的方法
US8907124B2 (en) 2010-11-17 2014-12-09 Basf Se Process for preparing methylenedi(phenyl isocyanate)
RU2578713C9 (ru) 2010-12-15 2016-11-20 Байер Интеллектуэль Проперти Гмбх Устойчивые к высоким температурам пеноматериалы
US20140093721A1 (en) 2011-05-02 2014-04-03 Bayer Intellectual Property Gmbh High-temperature-resistant foams having low thermal conductivity
PT2828235T (pt) 2012-03-19 2018-02-07 Covestro Deutschland Ag Processo para a produção de isocianatos
CN116547267A (zh) 2020-11-23 2023-08-04 巴斯夫欧洲公司 制备异氰酸酯的方法
CN115354505B (zh) * 2022-08-22 2024-03-08 浙江理工大学绍兴柯桥研究院有限公司 一种合成革用生物基无溶剂聚氨酯面层树脂及其制备方法

Also Published As

Publication number Publication date
JPS4948313B1 (ja) 1974-12-20
DE1923214B2 (de) 1973-08-02
GB1263439A (en) 1972-02-09
BE750080A (fr) 1970-10-16
NL7006542A (ja) 1970-11-10
DE1923214A1 (de) 1970-11-19

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Legal Events

Date Code Title Description
ST Notification of lapse