BE750080A - Procede de preparation d'isocyanates - Google Patents
Procede de preparation d'isocyanatesInfo
- Publication number
- BE750080A BE750080A BE750080DA BE750080A BE 750080 A BE750080 A BE 750080A BE 750080D A BE750080D A BE 750080DA BE 750080 A BE750080 A BE 750080A
- Authority
- BE
- Belgium
- Prior art keywords
- preparation process
- isocyanate preparation
- isocyanate
- preparation
- Prior art date
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)
- Polyurethanes Or Polyureas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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 |
---|---|
BE750080A true BE750080A (fr) | 1970-10-16 |
Family
ID=5733446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE750080D BE750080A (fr) | 1969-05-07 | 1970-05-06 | Procede de preparation d'isocyanates |
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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115354505A (zh) * | 2022-08-22 | 2022-11-18 | 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 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2105193C3 (de) * | 1971-02-04 | 1981-07-09 | Chemie-Anlagenbau Bischofsheim GmbH, 4500 Osnabrück | Verfahren zur Trennung eines organischen Polyisocyanatgemisches |
US4118410A (en) | 1971-02-04 | 1978-10-03 | Gottfried Reuter Gmbh I.L. | Polyphenyl-polymethylene-polyisocyanate mixtures |
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 |
DE502004002275D1 (de) * | 2003-09-24 | 2007-01-25 | Basf Ag | 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 |
BR112013012255A2 (pt) | 2010-11-17 | 2016-08-09 | Basf Se | processo para preparar di - isocianato de metileno difenila |
HUE030678T2 (hu) | 2010-11-17 | 2017-05-29 | Basf Se | Eljárás 4,4'-metilén-difenil-diizocianátot tartalmazó keverékek tisztítására |
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 |
US8907124B2 (en) | 2010-11-17 | 2014-12-09 | Basf Se | Process for preparing methylenedi(phenyl isocyanate) |
WO2012080185A1 (de) | 2010-12-15 | 2012-06-21 | Bayer Materialscience Ag | Hochtemperaturbeständige schaumstoffe |
US20140093721A1 (en) | 2011-05-02 | 2014-04-03 | Bayer Intellectual Property Gmbh | High-temperature-resistant foams having low thermal conductivity |
ES2658214T3 (es) | 2012-03-19 | 2018-03-08 | Covestro Deutschland Ag | Procedimiento para la preparación de isocianatos |
KR20230109176A (ko) | 2020-11-23 | 2023-07-19 | 바스프 에스이 | 이소시아네이트의 제조 방법 |
-
1969
- 1969-05-07 DE DE19691923214 patent/DE1923214B2/de not_active Ceased
-
1970
- 1970-05-01 GB GB2103570A patent/GB1263439A/en not_active Expired
- 1970-05-04 JP JP45037577A patent/JPS4948313B1/ja active Pending
- 1970-05-04 NL NL7006542A patent/NL7006542A/xx not_active Application Discontinuation
- 1970-05-06 BE BE750080D patent/BE750080A/xx unknown
- 1970-05-06 FR FR7016630A patent/FR2047415A5/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115354505A (zh) * | 2022-08-22 | 2022-11-18 | 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 |
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 |
---|---|
DE1923214B2 (de) | 1973-08-02 |
NL7006542A (ja) | 1970-11-10 |
DE1923214A1 (de) | 1970-11-19 |
GB1263439A (en) | 1972-02-09 |
FR2047415A5 (ja) | 1971-03-12 |
JPS4948313B1 (ja) | 1974-12-20 |
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