FIELD: metal protection against corrosion with use of chemical reagents, possibly prevention of steel corrosion in media containing hydrogen sulfide, for example in systems for water preparation, for sewage recovery, for production, accumulation, transportation and storage of oil, for acidic treatment of wells. SUBSTANCE: novelty is usage as amine-containing agent waste material of production of 4-methyl-2,6-di-tretbutyl phenol (light fraction of amines) after stage of aminomethylation with next content, mass%: trimethylamine, 0.01 -0.5; dimethylamine, 8.0 - 18.0; N,N- tetramethylmethylenediamine(bis-amine), 10.0 - 35.0; 1,3,5-trimethylhexahydro-1,3,5-triazine, 0.5 - 3.0; water, 1.0 -10.0; methanol - the balance. EFFECT: lowered cost price of corrosion inhibitor with enhanced protection properties, recovery of production waste material. 2 tbl, 1 ex
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2001 |
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|
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|
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| METHOD OF PREPARING MIXTURE OF PHENOL MANNICH BASES |
1998 |
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RU2146666C1 |
| 2,4,6-TRIS(N,N-DIMETHYLAMINOMETHYL)PHENOL PRODUCTION PROCESS |
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- Nijazov N.A.
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RU2146245C1 |
| 6,6′-DIMETHYLAMINOMETHYL-1-OXYBENZALDEHYDE AS EPOXY RESIN HARDENER, AND METHOD OF PREPARATION THEREOF |
1995 |
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- Dzhemelev U.M.
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| METHOD OF PREPARING 2-(N,N-DIMETHYLAMINOMETHYL)PHENOL |
1998 |
- Nijazov N.A.
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RU2144529C1 |
