RU1825780C - N,n-bis-(4-hydroxy-3,5-di-tert-butylbenzyl)-4-ethoxyaniline as an antioxidant for isoprene rubber - Google Patents
N,n-bis-(4-hydroxy-3,5-di-tert-butylbenzyl)-4-ethoxyaniline as an antioxidant for isoprene rubberInfo
- Publication number
- RU1825780C RU1825780C SU914912188A SU4912188A RU1825780C RU 1825780 C RU1825780 C RU 1825780C SU 914912188 A SU914912188 A SU 914912188A SU 4912188 A SU4912188 A SU 4912188A RU 1825780 C RU1825780 C RU 1825780C
- Authority
- RU
- Russia
- Prior art keywords
- ethoxyaniline
- bis
- hydroxy
- butylbenzyl
- antioxidant
- Prior art date
Links
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Сущность изобретени - продукт: N.N- (бис-4-гидрокси-3,5)-дитрет.бутилбензил-4- -этоксианилин, БФ СзаНббМОз, т.пл. 175- 8°С. Реагент 1: 2,6-дитретбутил-4-( ламино)метилфенол. Реагент 2: п-фенетидин. Услови реакции: в алканоле или водной среде в присутствии NazCOa при температуре кипени реакционной смеси в течение 6-20 ч. 3 табл.SUMMARY OF THE INVENTION - Product: N.N- (bis-4-hydroxy-3,5) -ditrebutylbenzyl-4- ethoxyaniline, BF SzNbbMOz, mp. 175-8 ° C. Reagent 1: 2,6-ditretbutyl-4- (lamino) methylphenol. Reagent 2: p-phenetidine. Reaction conditions: in alkanol or in an aqueous medium in the presence of NazCOa at the boiling temperature of the reaction mixture for 6-20 hours. 3 tab.
Description
Таблица 1Table 1
Период индукции до образовани СО-групп, чThe induction period until the formation of CO groups, h
Таблица2Table 2
Таблица 3Table 3
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU914912188A RU1825780C (en) | 1991-02-18 | 1991-02-18 | N,n-bis-(4-hydroxy-3,5-di-tert-butylbenzyl)-4-ethoxyaniline as an antioxidant for isoprene rubber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU914912188A RU1825780C (en) | 1991-02-18 | 1991-02-18 | N,n-bis-(4-hydroxy-3,5-di-tert-butylbenzyl)-4-ethoxyaniline as an antioxidant for isoprene rubber |
Publications (1)
Publication Number | Publication Date |
---|---|
RU1825780C true RU1825780C (en) | 1993-07-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU914912188A RU1825780C (en) | 1991-02-18 | 1991-02-18 | N,n-bis-(4-hydroxy-3,5-di-tert-butylbenzyl)-4-ethoxyaniline as an antioxidant for isoprene rubber |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU1825780C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2574656A1 (en) | 2011-09-28 | 2013-04-03 | Infineum International Limited | Lubricating oil compositions |
WO2014033634A2 (en) | 2012-08-29 | 2014-03-06 | Indian Oil Corporation Limited | Lubricant additive and lubricant oil compositions and process of preparing thereof |
-
1991
- 1991-02-18 RU SU914912188A patent/RU1825780C/en active
Non-Patent Citations (1)
Title |
---|
Ершов В.В. и др. Пространственно-затрудненные фенолы. М.: Хими , 1972, с 321-7. Авторское свидетельство СССР N: 809813, кл, С 07 С 91/44. 1980. Авторское свидетельство СССР № 520034, кл. С 07 С 91/44, 1975,. * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2574656A1 (en) | 2011-09-28 | 2013-04-03 | Infineum International Limited | Lubricating oil compositions |
WO2014033634A2 (en) | 2012-08-29 | 2014-03-06 | Indian Oil Corporation Limited | Lubricant additive and lubricant oil compositions and process of preparing thereof |
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