GB970779A - Process for producing methylene diamines - Google Patents
Process for producing methylene diaminesInfo
- Publication number
- GB970779A GB970779A GB26705/63A GB2670563A GB970779A GB 970779 A GB970779 A GB 970779A GB 26705/63 A GB26705/63 A GB 26705/63A GB 2670563 A GB2670563 A GB 2670563A GB 970779 A GB970779 A GB 970779A
- Authority
- GB
- United Kingdom
- Prior art keywords
- moles
- aniline
- salt
- acid
- formaldehyde
- Prior art date
- 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
Links
- 238000000034 method Methods 0.000 title abstract 2
- -1 methylene diamines Chemical class 0.000 title 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 12
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 abstract 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 3
- 150000003839 salts Chemical class 0.000 abstract 3
- 238000004821 distillation Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 238000006386 neutralization reaction Methods 0.000 abstract 2
- RNVCVTLRINQCPJ-UHFFFAOYSA-N o-toluidine Chemical compound CC1=CC=CC=C1N RNVCVTLRINQCPJ-UHFFFAOYSA-N 0.000 abstract 2
- 238000002360 preparation method Methods 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 2
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 abstract 1
- 150000001448 anilines Chemical class 0.000 abstract 1
- MMCPOSDMTGQNKG-UHFFFAOYSA-N anilinium chloride Chemical compound Cl.NC1=CC=CC=C1 MMCPOSDMTGQNKG-UHFFFAOYSA-N 0.000 abstract 1
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 abstract 1
- OHQOKJPHNPUMLN-UHFFFAOYSA-N n,n'-diphenylmethanediamine Chemical class C=1C=CC=CC=1NCNC1=CC=CC=C1 OHQOKJPHNPUMLN-UHFFFAOYSA-N 0.000 abstract 1
- 239000012044 organic layer Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/44—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring
- C07C211/49—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton
- C07C211/50—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton with at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
- C07C209/78—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton from carbonyl compounds, e.g. from formaldehyde, and amines having amino groups bound to carbon atoms of six-membered aromatic rings, with formation of methylene-diarylamines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR903087A FR1335124A (fr) | 1962-07-05 | 1962-07-05 | Procédé de préparation de méthylène dianilines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB970779A true GB970779A (en) | 1964-09-23 |
Family
ID=8782583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB26705/63A Expired GB970779A (en) | 1962-07-05 | 1963-07-05 | Process for producing methylene diamines |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3274247A (enrdf_load_stackoverflow) |
| BE (1) | BE634519A (enrdf_load_stackoverflow) |
| ES (1) | ES287861A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1335124A (enrdf_load_stackoverflow) |
| GB (1) | GB970779A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116768736A (zh) * | 2023-05-18 | 2023-09-19 | 菏泽永辉复合材料有限公司 | 一种盐酸盐的回收方法 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3517062A (en) * | 1966-08-05 | 1970-06-23 | Mobay Chemical Corp | Process for the preparation of substantially pure 4,4'-diaminodiphenylmethane |
| US3476806A (en) * | 1969-08-13 | 1969-11-04 | Du Pont | Continuous methylenedianiline process |
| CH660879A5 (de) * | 1984-10-30 | 1987-05-29 | Ciba Geigy Ag | Einstufenverfahren zur herstellung von bis-(amino-nitrophenyl)-methan. |
| US4792624A (en) * | 1987-02-26 | 1988-12-20 | The Dow Chemical Company | Process for polymeric MDA, recycle of finished polymeric MDA |
| EP2028206A1 (en) * | 2007-08-23 | 2009-02-25 | Huntsman International Llc | Polyaromatic polyisocyanate compositions |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE75373C (de) * | A. LEONHARDT & CO. in Mühlheim a. Main, Hessen | Verfahren zur Darstellung von Diamidodioxyditolylmethan. (2 | ||
| US1803331A (en) * | 1923-04-03 | 1931-05-05 | Nat Aniline & Chem Co Inc | Process of making 4.4'-tetraethyldiaminodiphenylmethane |
| US2818433A (en) * | 1955-09-19 | 1957-12-31 | Monsanto Chemicals | Process for making methylenedianilines |
| US2974168A (en) * | 1955-09-19 | 1961-03-07 | Monsanto Chemicals | Process for making methylenedianiline |
| US2938054A (en) * | 1958-02-18 | 1960-05-24 | Allied Chem | Process for purification of 4, 4'-methylenedianiline |
-
0
- BE BE634519D patent/BE634519A/xx unknown
-
1962
- 1962-07-05 FR FR903087A patent/FR1335124A/fr not_active Expired
-
1963
- 1963-05-09 ES ES0287861A patent/ES287861A1/es not_active Expired
- 1963-06-14 US US287779A patent/US3274247A/en not_active Expired - Lifetime
- 1963-07-05 GB GB26705/63A patent/GB970779A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116768736A (zh) * | 2023-05-18 | 2023-09-19 | 菏泽永辉复合材料有限公司 | 一种盐酸盐的回收方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| BE634519A (enrdf_load_stackoverflow) | |
| ES287861A1 (es) | 1963-12-16 |
| US3274247A (en) | 1966-09-20 |
| FR1335124A (fr) | 1963-08-16 |
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