FIELD: industrial organic synthesis. SUBSTANCE: phenol is brought into interaction at 65 to 130 C with mixture of N,N'-tetramethylmethylene- bis-amine and formaldehyde (molar ratio 1.5-1.6) in organic solvent, in particular, aliphatic C1-C4-alcohols in amounts 10 to 20 wt %. Product finds use as epoxide resin hardener and as starting material for synthesis of polymer and petroleum product stabilizers and additives. EFFECT: accelerated process, simplified technology, and increased purity of product. 3 cl, 1 tbl, 15 ex
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Year |
Author |
Number |
| METHOD OF PREPARING MIXTURE OF PHENOL MANNICH BASES |
1998 |
- Surkov V.D.
- Ljubimov N.V.
- Nijazov N.A.
- Timofeev V.P.
|
RU2146666C1 |
| METHOD OF PREPARING 2-(N,N-DIMETHYLAMINOMETHYL)PHENOL |
1998 |
- Nijazov N.A.
- Timofeev V.P.
- Surkov V.D.
- Ljubimov N.V.
|
RU2144529C1 |
| BIS-N,N-DIMETHYLAMINOMETHYLATED AROMATIO SCHIFF BASES AND METHOD OF PREPARATION THEREOF |
1998 |
- Nijazov N.A.
- Timofeev V.P.
|
RU2161603C2 |
| N,N-DIMETHYLAMINOMETHYLATED AROMATIC SCHIFF BASES AS HARDENING ACCELERATOR OF EPOXY RESINS, AND METHOD OF PREPARING THEREOF |
1997 |
- Timofeev V.P.
- Nijazov N.A.
- Dzhemelev U.M.
- Matrosova L.V.
- Surkov V.D.
|
RU2134259C1 |
| METHOD OF PREPARING N,N-DIMETHYL(3,5-DI-TERT-BUTYL-4-HYDROXYBENZYL)AMINE |
2001 |
- Kondrat'Ev V.V.
- Nijazov N.A.
- Surkov V.D.
- Tuktarov A.F.
- Tuktarova L.A.
|
RU2201417C2 |
| METHOD OF PREPARING BIS-N,N(3,5-DI-TERT-BUTYL-4- OXYBENZYL)METHYLAMINE |
1999 |
- Nijazov N.A.
- Surkov V.D.
- Bojtsov V.P.
|
RU2165409C2 |
| METHOD OF PREPARING 2,5-N,N′-(DIMETHYLAMINOMETHYL)-1-4- HYDROQUINONE |
1994 |
- Timofeev V.P.
- Nijazov N.A.
|
RU2089539C1 |
| 6,6′-DIMETHYLAMINOMETHYL-1-OXYBENZALDEHYDE AS EPOXY RESIN HARDENER, AND METHOD OF PREPARATION THEREOF |
1995 |
- Timofeev V.P.
- Nijazov N.A.
- Dzhemelev U.M.
|
RU2095345C1 |
| METHOD OF PREPARING N,N'-SUBSTITUTED PIPERAZINES |
1998 |
- Nijazov N.A.
- Tuktarova L.A.
- Timofeev V.P.
- Surkov V.D.
- Ljubimov N.V.
|
RU2157804C2 |
| METHOD FOR MAKING INHIBITOR OF FERROUS METAL CORROSION IN ACIDIC MEDIA |
2001 |
- Kondrat'Ev V.V.
- Nijazov N.A.
- Shulaev N.S.
|
RU2216607C2 |
