BE824833A - Procede perfectionne pour preparer des isocyanates organiques - Google Patents
Procede perfectionne pour preparer des isocyanates organiquesInfo
- Publication number
- BE824833A BE824833A BE152753A BE152753A BE824833A BE 824833 A BE824833 A BE 824833A BE 152753 A BE152753 A BE 152753A BE 152753 A BE152753 A BE 152753A BE 824833 A BE824833 A BE 824833A
- Authority
- BE
- Belgium
- Prior art keywords
- preparing organic
- organic isocyanates
- perfected process
- perfected
- isocyanates
- Prior art date
Links
- 239000012948 isocyanate Substances 0.000 title 1
- 150000002513 isocyanates Chemical class 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742404774 DE2404774A1 (de) | 1974-02-01 | 1974-02-01 | Verfahren zur herstellung von organischen isocyanaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE824833A true BE824833A (fr) | 1975-07-28 |
Family
ID=5906299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE152753A BE824833A (fr) | 1974-02-01 | 1975-01-27 | Procede perfectionne pour preparer des isocyanates organiques |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS50108239A (enrdf_load_stackoverflow) |
| BE (1) | BE824833A (enrdf_load_stackoverflow) |
| DE (1) | DE2404774A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2259814B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1486344A (enrdf_load_stackoverflow) |
| NL (1) | NL7500934A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5386059A (en) * | 1991-12-10 | 1995-01-31 | Miles Inc. | Process for preparing polyamines for lighter color polyisocyanate based foam |
| KR100948718B1 (ko) | 2005-07-22 | 2010-03-22 | 미쓰이 가가쿠 가부시키가이샤 | 사슬상 지방족 아민 염산염 또는 환상 지방족 아민 염산염의 제조방법 |
| EP2897933B1 (de) * | 2012-09-24 | 2017-06-07 | Covestro Deutschland AG | Verfahren zur herstellung von diisocyanaten durch phosgenierung von diaminsuspensionen |
| JP6770415B2 (ja) * | 2016-11-29 | 2020-10-14 | 三井化学株式会社 | ペンタメチレンジイソシアネートの製造方法 |
| CN111718282B (zh) * | 2020-06-30 | 2022-08-05 | 万华化学集团股份有限公司 | 一种基于成盐光气化制备低氯代杂质含量异氰酸酯的方法 |
-
1974
- 1974-02-01 DE DE19742404774 patent/DE2404774A1/de not_active Withdrawn
-
1975
- 1975-01-27 NL NL7500934A patent/NL7500934A/xx unknown
- 1975-01-27 BE BE152753A patent/BE824833A/xx unknown
- 1975-01-29 FR FR7502765A patent/FR2259814B1/fr not_active Expired
- 1975-01-31 GB GB426975A patent/GB1486344A/en not_active Expired
- 1975-02-01 JP JP50012984A patent/JPS50108239A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2404774A1 (de) | 1975-08-21 |
| FR2259814A1 (enrdf_load_stackoverflow) | 1975-08-29 |
| NL7500934A (nl) | 1975-08-05 |
| GB1486344A (en) | 1977-09-21 |
| FR2259814B1 (enrdf_load_stackoverflow) | 1978-02-03 |
| JPS50108239A (enrdf_load_stackoverflow) | 1975-08-26 |
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