FIELD: chemistry.
SUBSTANCE: said compound is a clear phenol antioxidant from 2,6-di-tert-butyl-phenol through successive aminomethylation, hydrogenolysis and extraction of the desired product. The process is carried out in the presence of 2,6-di-tert-butyl-phenol and 2,4-di-tert-butyl-phenol in amount of 0.015-0.04 wt % and 0.1-0.2 wt % respectively, to the initial 2,6-di-tert-butyl-phenol.
EFFECT: method enables to obtain a compound having guaranteed colour index for a long storage period.
1 tbl, 7 ex
| Title | Year | Author | Number |
|---|---|---|---|
| 2,6-DI-TERT-BUTYL-4-METHYLPHENOL (AGIDOL-1) PRODUCTION PROCESS | 1997 |
|
RU2137749C1 |
| SPACE-HINDERED BIS-PHENOL PRODUCTION PROCESS | 2001 |
|
RU2195444C1 |
| METHOD OF PREPARING BIS-N,N(3,5-DI-TERT-BUTYL-4- OXYBENZYL)METHYLAMINE | 1999 |
|
RU2165409C2 |
| METHOD FOR PRODUCTION OF MIXTURE OF MONO- AND DI-TERT-BUTYL PHENOLS | 1992 |
|
RU2054410C1 |
| METHOD FOR PRODUCTION OF 2,6-DI-TERT-BUTYLPHENOL | 1999 |
|
RU2164509C1 |
| PROCESS FOR PREPARING PHENOL-AMINE RESIN | 1995 |
|
RU2084465C1 |
| METHOD OF PREPARING N,N-DIMETHYL(3,5-DI-TERT-BUTYL-4-HYDROXYBENZYL)AMINE | 2001 |
|
RU2201417C2 |
| METHOD OF PREPARING DICYCLOPENTADIENE | 1999 |
|
RU2164910C1 |
| METHOD OF SYNTHESIS OF 3,5-DI-TERT-BUTYL-4-HYDROXYMETHOXYBENZILE ALCOHOL | 1992 |
|
RU2022957C1 |
| METHOD OF SYNTHESIS OF 2,6-DI-TERT-BUTYLPHENOL | 1995 |
|
RU2068837C1 |
