ES458767A1 - Procedimiento para la separacion de 4 4'-diaminodifenilmeta-no. - Google Patents
Procedimiento para la separacion de 4 4'-diaminodifenilmeta-no.Info
- Publication number
- ES458767A1 ES458767A1 ES458767A ES458767A ES458767A1 ES 458767 A1 ES458767 A1 ES 458767A1 ES 458767 A ES458767 A ES 458767A ES 458767 A ES458767 A ES 458767A ES 458767 A1 ES458767 A1 ES 458767A1
- Authority
- ES
- Spain
- Prior art keywords
- isomer
- mixture
- diamines
- diaminodiphenylmethane
- phenol
- 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
- OHQOKJPHNPUMLN-UHFFFAOYSA-N n,n'-diphenylmethanediamine Chemical class C=1C=CC=CC=1NCNC1=CC=CC=C1 OHQOKJPHNPUMLN-UHFFFAOYSA-N 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
- 150000004985 diamines Chemical class 0.000 abstract 5
- 239000000203 mixture Substances 0.000 abstract 4
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 abstract 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 229920000768 polyamine Polymers 0.000 abstract 1
- -1 polymethylene Polymers 0.000 abstract 1
- 229920006389 polyphenyl polymer Polymers 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/84—Purification
-
- 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
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 |
|---|---|---|---|
| US05/690,913 US4034039A (en) | 1976-05-28 | 1976-05-28 | Purification of methylenedianilines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES458767A1 true ES458767A1 (es) | 1978-03-16 |
Family
ID=24774471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES458767A Expired ES458767A1 (es) | 1976-05-28 | 1977-05-13 | Procedimiento para la separacion de 4 4'-diaminodifenilmeta-no. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4034039A (OSRAM) |
| JP (1) | JPS52148054A (OSRAM) |
| BE (1) | BE855158A (OSRAM) |
| BR (1) | BR7703389A (OSRAM) |
| DD (1) | DD130931A5 (OSRAM) |
| DE (1) | DE2719997C2 (OSRAM) |
| ES (1) | ES458767A1 (OSRAM) |
| FR (1) | FR2352789A1 (OSRAM) |
| GB (1) | GB1519135A (OSRAM) |
| IT (1) | IT1079667B (OSRAM) |
| MX (1) | MX145853A (OSRAM) |
| NL (1) | NL7705750A (OSRAM) |
| SU (1) | SU667129A3 (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05331110A (ja) * | 1992-05-29 | 1993-12-14 | Sumitomo Chem Co Ltd | ４，４’−ジアミノジフェニルメタンの精製方法 |
| DE19529857A1 (de) * | 1995-08-14 | 1997-02-20 | Bayer Ag | Adduktkristallisate aus Bisphenol A und Bisphenol TMC |
| EP1979306B1 (de) * | 2006-01-20 | 2013-04-17 | Basf Se | Verfahren zur simultanen herstellung von 4,4'-diphenylmethandiamin sowie diphenylmethandiisocyanat und polyphenylenpolymethylenpolyisocyanaten |
| US10759736B2 (en) | 2018-10-17 | 2020-09-01 | Covestro Deutschland Ag | Process for the preparation of di- and polyamines of the diphenylmethane series |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1023040B (de) * | 1956-09-03 | 1958-01-23 | Teerverwertung Mit Beschraenkt | Verfahren zur Herstellung von reinstem Anilin aus Steinkohlenteer |
| US3682782A (en) * | 1968-07-11 | 1972-08-08 | Halcon International Inc | Reduced pressure distillation process for recovering aniline from phenolaniline mixtures |
| US3542871A (en) * | 1968-07-29 | 1970-11-24 | Upjohn Co | Purification of 4,4'-methylene dianiline by crystallization |
-
1976
- 1976-05-28 US US05/690,913 patent/US4034039A/en not_active Expired - Lifetime
-
1977
- 1977-05-04 DE DE2719997A patent/DE2719997C2/de not_active Expired
- 1977-05-04 GB GB18712/77A patent/GB1519135A/en not_active Expired
- 1977-05-11 MX MX169099A patent/MX145853A/es unknown
- 1977-05-13 ES ES458767A patent/ES458767A1/es not_active Expired
- 1977-05-24 IT IT49542/77A patent/IT1079667B/it active
- 1977-05-25 DD DD7700199123A patent/DD130931A5/xx unknown
- 1977-05-25 NL NL7705750A patent/NL7705750A/xx not_active Application Discontinuation
- 1977-05-26 BR BR7703389A patent/BR7703389A/pt unknown
- 1977-05-27 BE BE178011A patent/BE855158A/xx not_active IP Right Cessation
- 1977-05-27 JP JP6130977A patent/JPS52148054A/ja active Pending
- 1977-05-27 SU SU772485750A patent/SU667129A3/ru active
- 1977-05-31 FR FR7716520A patent/FR2352789A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2352789A1 (fr) | 1977-12-23 |
| IT1079667B (it) | 1985-05-13 |
| BR7703389A (pt) | 1978-02-28 |
| GB1519135A (en) | 1978-07-26 |
| BE855158A (fr) | 1977-11-28 |
| DE2719997C2 (de) | 1986-07-03 |
| US4034039A (en) | 1977-07-05 |
| NL7705750A (nl) | 1977-11-30 |
| FR2352789B1 (OSRAM) | 1981-02-27 |
| DD130931A5 (de) | 1978-05-17 |
| SU667129A3 (ru) | 1979-06-05 |
| DE2719997A1 (de) | 1977-12-08 |
| MX145853A (es) | 1982-04-07 |
| JPS52148054A (en) | 1977-12-08 |
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