WO2004090070A1 - 酸化防止剤およびビスアミノフェノール誘導体 - Google Patents
酸化防止剤およびビスアミノフェノール誘導体 Download PDFInfo
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- WO2004090070A1 WO2004090070A1 PCT/JP2004/004608 JP2004004608W WO2004090070A1 WO 2004090070 A1 WO2004090070 A1 WO 2004090070A1 JP 2004004608 W JP2004004608 W JP 2004004608W WO 2004090070 A1 WO2004090070 A1 WO 2004090070A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
- C07C215/74—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
- C07C215/76—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton of the same non-condensed six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
- C09K15/04—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
- C09K15/20—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing nitrogen and oxygen
- C09K15/24—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing nitrogen and oxygen containing a phenol or quinone moiety
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
- C09K15/04—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
- C09K15/28—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing nitrogen, oxygen and sulfur
Definitions
- the present invention relates to novel antioxidants and aromatic hydroxyamine derivatives. More specifically, the present invention comprises an aromatic hydroxyamine derivative having a hydroxyl group and an amino group or a monoalkylamino group introduced at adjacent positions on an aromatic ring, and has an antioxidant effect.
- the present invention relates to an antioxidant and a bisaminophenol derivative which are excellent and are suitable for plastics, rubber, petroleum products and the like. Background art
- antioxidants have been widely used in various fields such as plastic products, rubber products, petroleum products (lubricating oils, etc.), foods, and the like.
- the goal is to prevent it from undergoing undesired changes. .
- antioxidants there are various types of such antioxidants.
- a radical chain inhibitor (primary antioxidant) captures radicals generated in autoxidation, suppresses radical generation, and reduces radicals. It breaks the chain, and is derived from hindered phenolic compounds represented by 2,6-di-tert-butyl-p-cresole and N, N'-diphenyl-p-phenylenediamine.
- the mainstream is amide-based compounds.
- peroxide decomposers decompose peroxides generated by autoxidation into inactive compounds and cut off contribution to the chain reaction. Sulfur and phosphorus compounds are most often used.
- amide-based antioxidants used in rubber products include:
- 3C N-isopropyl N'-phenyl-p-phenylenediamine
- 6C N- (1,3-dimethylbutyl) -N'- Phenyl-p-phenylenediamine
- 6C a high molecular weight diamine obtained from a p-aminophenol derivative and aniline is known (Japanese Patent Application Laid-Open No. 53-130429).
- typical examples of funinol-based antioxidants include mononuclear 2,6-di-tert-butyl- ⁇ -cresol (commonly known as ⁇ ⁇ ⁇ ) and binuclear 2,2,2-methylenebis (4-methyl-6-tert-butyl phenol) (commonly known as 2246), tetranuclear tetrakis [methylene-13- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate] methane (tiva Specialty “Chemicals, Inc., trade name“ Irgan 0X1010 ”).
- antioxidants exhibit higher antioxidant activity even when added in a small amount.
- high molecular weight antioxidants are superior to low molecular weight antioxidants in terms of volatility, migration, extractability, etc.High molecular weight antioxidants are used especially in the plastics field. Tend to be.
- binuclear aromatic compounds in which a hydroxyl group and an amino group are introduced adjacently on an aromatic ring have been known as polybenzoxazoles having excellent heat resistance and electrical insulation properties.
- research has been actively conducted as a raw material for this product, little is known about its antioxidant ability. Disclosure of the invention
- An object of the present invention is to provide a novel antioxidant which has high antioxidant activity under such circumstances and is suitably used for plastics, rubber, petroleum products, and the like. It is.
- the present inventors have conducted intensive studies in order to achieve the above object, and as a result, have found that an aminophenol derivative having a hydroxyl group and an amino group at the ortho position adjacent to the aromatic ring has excellent antioxidant activity. In addition, the present inventors have found that this aminophenol derivative also has an effect as a polymerization inhibitor, and that a specific bisaminophenol compound is a novel substance and has extremely excellent antioxidant ability, and has reached the present invention. .
- R 1 , R 2 and!? 3 are each independently a hydrogen atom or an alkyl group having 1 to 20 carbon atoms
- X is a hydrogen atom or an OH group
- ⁇ is a hydrogen atom or an NHR ′ group
- An antioxidant comprising an aromatic hydroxyamine derivative having a structure represented by (2) The antioxidant of (1) above for plastics, rubber or petroleum products, and
- R 2 and R 3 are hydrogen atoms
- X is 0 H group
- Y is NHR ′ group
- A is —C (CH 3 ) 2 —
- R 'Is a bisaminophenol derivative in which is an isopropyl, isobutyl or isohexyl group
- the antioxidant of the present invention has the general formula (I)
- R 1 , R 2 and R 3 are each independently a hydrogen atom or an alkyl group having 1 to 20 carbon atoms
- X is a hydrogen atom or a ⁇ H group
- Y is a hydrogen atom or Shows one NHR group.
- the alkyl group having 1 to 20 carbon atoms among R 1 , R 2 and R 3 is a linear, branched or cyclic alkyl group. And examples thereof include a methyl group, an ethyl group, an n_propyl group, an isopropyl group, various butyl groups, various pentyl groups, various hexyl groups, various octyl groups, various decyl groups, and the like.
- Examples include various dodecyl groups, various tetradecyl groups, various hexade groups, various octadecyl groups, various icosyl groups, cyclopentyl groups, cyclohexyl groups, methylcyclohexyl groups, cyclopentylmethyl groups, and cyclohexylmethyl groups.
- an alkyl group having 1 to 10 carbon atoms is preferable.
- the amino group represented by NHR 1 is preferably a secondary amine, and more preferably a propyl group (3 carbon atoms) to a decyl (10 carbon atoms) alkyl group substituted with an amine. I prefer it. Further, when R 2 and R 3 are alkyl groups, they have higher antioxidant ability.
- A is a direct bond, one hundred and one, One NH-, - S 0 2 one, - CH 2 - or one C (CH 3) 2 shows one, is 0 H groups and NHR 1 group on one benzene ring If introduced, they are in adjacent locations.
- n represents 0 or 1, but n is 0 and R 1 is not a hydrogen atom.
- examples of the compound in which n is 0 include 2- (methylamino) phenol, 1- (ethylamino) phenol, 2- (n-propylamino) phenol, and 1- (ethylamino) phenol.
- examples of the compound wherein n is 1 include, for example, General formula (I-a)-General formula (I-d)
- R 1 is a hydrogen atom or an alkyl group having 1 to 20 carbon atoms
- A is the same as described above, and when 0 H group and NHR ′ group are introduced into one benzene ring, they are adjacent.
- Examples of the compound represented by the general formula (I-a) include 3-aminohydroxydiphenyl, 3-alkylamino4-hydroxyhydroxydiphenyl, and 4-amino-3-hydroxy.
- Examples of the compound represented by the general formula (I-Ib) include, for example, 3-amino-3 ', 4-dihydroxydiphenyl, 3-alkylamino-3', 4-dihydroxydiphenyl, 3-amido NO_4,4, dihydroxydiphenyl, 3—alkylamino 4,4, dihydroxydiphenyl, 4_amino 3,3′—dihydroxydiphenyl, 4-alkylamino3,3′— Dihydroxydiphenyl, 4-amino3,4, -dihydroxydiphenyl, 4-alkylamino3,4'-dihydromouth xidiphenyl, 3_amino-3,, 4-dihydroxydiph Enyl ether, 3—alkylamino 3,4 dihydroxydiphenyl ether, 3—amino4,4 ′ dihydroxydiphenyl ether,
- Examples of the compound represented by the general formula (I-Ic) include 3, 3 ' 1,4-dihydroxydiphenyl, 3,3'-di (alkylamino) 1-hydroxydiphenyl, 3,4'diamino-4-hydroxydiphenyl, 3,4, Di- (alkylamino) 1-4-hydroxydifenyl, 3 ', 4 diamino_3—hydroxydiphenyl, 3
- Examples of the compound represented by the general formula (I—d) include 3,3′-diamino 4,4,1-dihydroxydiphenyl, 3,3′-di (alkylamino)-, 4 'Dihydroxydiphenyl,, 4, diamino-3,3, dihydroxydiphenyl,, 4, di (alkylamino) 1-3,3' dihydroxydiphenyl,, 2'diamidi No 3,3'-dihydroxydiphenyl, 2,2'di (alkylamino) 1,3,3, dihydroxydiphenyl, 3,3'-diamino
- 2,2 '-' no-J-hydroxine phenyl ether 9 2'-di (alkylamino) 13,3,1-hydroxydiphenyl ether, 3,3'-diano, 2'-dihydroxydiphenyl-ter, 3,3, di (aralkylamino) 1,2,2'-dihydroxydiphenyl ether, 33 3'diaminodi-4,4'-dihydro ⁇ ,
- alkyl group of the alkylamino group in these exemplified compounds examples include a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, an isobutyl group, a sec-butyl group, an n- or an iso group.
- examples include benzyl, n- or isohexyl, n- or isoheptyl, n- or isooctyl, n- or isodecyl.
- R 4 is an alkyl group having 1 to 20 carbon atoms
- Y ′ is a hydrogen atom or an NH 2 group
- Y 2 is a hydrogen atom or NHR 4
- Z is a halogen atom or an oxygen atom
- R 2 , R 2 3 X, a and n are as defined above, if a 0 H group and NH 2 group or NHR 4 group to one of the benzene rings that have been introduced, they are present in adjacent positions.
- a solvent such as dimethylformamide
- an aromatic hydroxyoxyamine derivative represented by the general formula (I-11) in a substantially stoichiometric ratio and R 4 Z are represented by the following formula.
- an N-monoalkyl-substituted aromatic hydroxyamine derivative represented by the general formula (1-2) is obtained.
- R 4 Z in which Z is a halogen atom, that is, an alkyl halide (eg, alkyl chloride, alkyl bromide, alkyl chloride, etc.) is used, it is usually 0 to 1 in the presence of a hydrogen halide scavenger.
- the reaction is carried out at a temperature in the range of 0 ° C, preferably 10-60 ° C.
- R 4 Z in which Z is an oxygen atom, that is, ketones (for example, acetone, methylethylketone, hexanone, etc.) are used, in the presence of a water-removing agent, in a hydrogen stream.
- the reaction is usually carried out in the range of 100 to 200 t, preferably in the range of 130 to 180 ° C.
- ketones By using ketones, a high yield can be obtained as shown in the examples below.
- the hydrogen halide scavenger an inorganic basic compound and an organic basic compound can be used.
- the inorganic base compound include sodium hydroxide, sodium hydroxide, sodium carbonate, sodium carbonate, sodium hydrogencarbonate, sodium hydrogencarbonate, and the like.
- the organic base compound include tertiary amines such as triethylamine, pyridine, picolin and the like.
- Examples of the dehydrating agent include magnesium sulfate and phosphorus pentoxide.
- the bisaminophenol compound represented by the general formula (I-111a) can be produced, for example, according to the following reaction formula (b).
- the bisphenol compound represented by the general formula ( ⁇ ⁇ ) is converted to a nitrile agent such as nitric acid.
- a nitrile agent such as nitric acid.
- the nitration is carried out at a temperature of usually from 30 to 30 ° C., preferably from 0 ° C. to room temperature for about 1 to 10 hours to obtain a bisnitrotropenol compound represented by the general formula (IV).
- the hydroxy group is an electron-donating group, so the nitro group is
- this bisnitrophenol compound (IV) is subjected to reduction treatment with a reducing agent such as hydrogen gas in a suitable solvent, for example, an alcohol solvent in the presence of a reduction catalyst.
- a reducing agent such as hydrogen gas
- a suitable solvent for example, an alcohol solvent
- a reduction catalyst for example, a catalyst in which a metal catalyst such as palladium / carbon, nickel platinum or the like is supported on alumina, silica gel, zeolite, or the like can be used.
- the reduction treatment is usually performed under a pressure of 0.1 to 10 MPa at a temperature of normal temperature to about 150 C for about 1 to 20 hours.
- the aromatic hydroxyamine derivative represented by the general formula (I) has a high antioxidant ability and is used as an antioxidant for plastic products, rubber products, petroleum products (lubricating oil, fuel oil, etc.) and the like. Used as It can also be used as a polymerization inhibitor.
- n is I, R 2 and R 3 are hydrogen atoms, X is a ⁇ H group, Y is an NHR ′ group,
- a bisaminophenol derivative in which C- (CH 3) 2 R ′ is an isopropyl group, an isobutyl group or an isohexyl group is a novel substance.
- the bisaminophenol derivative of this novel substance has excellent antioxidant activity as shown in Examples 15 to 17.
- the antioxidant ability was determined from the oxygen absorption start time measured by the following measurement.
- the oxidation stability test was performed under an oxygen pressure of 0.7 MPa under the condition of 100, and the time when the oxygen pressure was reduced by 5% was defined as the oxygen absorption start time.
- the conversion of 0-aminophenol was 72%, and the selectivity of the mono-form of the obtained N-alkylated product (ratio of mono-form to mono-form) was 7%.
- Example 1 Example 2 was repeated except that the molar ratio of 2-iodopropane / 0-aminophenol was set to 1.0 in Example 1, and 2-propane was added dropwise over 3 hours, followed by stirring at room temperature for 2 hours. Performed similarly to 1.
- the conversion of 0-aminophenol was 58%, and the selectivity of the mono-N-alkylated product was 99%.
- the oxygen absorption onset time for determining antioxidant capacity was 370 minutes.
- a reaction was carried out in the same manner as in Example 1 except that 2-iodobutane was used instead of 2-iodopropane.
- the conversion of 0-aminophenol was 48%, and the selectivity of the mono-form of the N-alkylated product was 100%.
- a reaction was carried out in the same manner as in Example 3, except that methylacetylketone 120 mI (96 g, 1. mol) was used in place of acetone 100 m1.
- the yield of 11 (sec-butylamino) phenol was 91%.
- the oxygen absorption start time for determining the antioxidant capacity was 300 minutes.
- Example 4 The same reaction as in Example 3 was carried out except that 2-odohexane was used instead of 2-iodobutane in Example 4.
- the conversion of 0-aminophosphinol was 93%, and the selectivity of the mono-form of N-alkylated product was 1%.
- the oxygen absorption start time for determining the antioxidant capacity was 320 minutes.
- Example 6 2-tio hexane 0 to single de - the molar ratio of ⁇ Mi Nofuenoru and 0.8, 4. dropwise hexane over a period of 5 hours 2 Yodo, and stirred thereafter 0.5 hours at room temperature Except for the above, the procedure was the same as in Example 4.
- the conversion of 0-aminophenol was 71%, and the selectivity of the mono-form of the N-alkylated product was 86%.
- the oxygen absorption start time for determining the antioxidant capacity was 320 minutes.
- a reaction was carried out in the same manner as in Example 3 except that 2-hexanone (145 ml, 121 g, 1.2 mol) was used instead of acetone (100 ml). I got it.
- the conversion of 0-aminophenol was 93%, and the selectivity of the mono form (the selectivity of the mono form in the N-alkylated form and the mono form in the di form) was 41%.
- the oxygen absorption start time for determining the antioxidant capacity was 320 minutes.
- the product containing water was neutralized with NaOH water.
- the neutralized liquid was an orange transparent liquid.
- This solution was separated into two layers, and the aqueous layer was made acidic (pH 5) with aqueous hydrochloric acid to obtain a yellow precipitate.
- This precipitate is mixed with the previous oil layer and D MF was added to extract dichloroethane.
- the yield of 4,4'-dihydroxy 3,3, dinitrodiphenyl was 96%.
- 3 g (10.9 mimol) of the obtained 4,4, dihydroxy-3,3 ′ dinitrodiodiphenyl, 2 g of 5% by mass Pd / CO and 60 ml of methanol were added to I 0 m 1
- the autoclave was heated at 90 ° C.
- the product containing water was neutralized with NaOH water.
- the neutralized liquid was an orange transparent liquid.
- This solution was separated into two layers, and the aqueous layer was made acidic (pH 5) with aqueous hydrochloric acid to obtain a yellow precipitate.
- the precipitate was mixed with the previous oil layer, and dichloromethane was distilled off.
- the obtained precipitate was washed with methanol and dried to obtain 3,3, diamino-4,4'-dihydroxydiphenyl. The yield was 85%.
- the precipitate and Pd / C were filtered from the reaction mixture with a cylindrical filter paper, and the filtered reaction solution was subjected to Soxhlet extraction. Three hours later, the soxhlet extraction was terminated because the cylindrical filter paper had only Pd / C. After cooling the reaction solution, the precipitate was filtered to obtain 3,3′-diamino-4,4′-dihydroxydiphenyl. The yield was 91%.
- the oxygen absorption onset time for determining antioxidant capacity was 24 Q minutes.
- Example 9 The same reaction as in Example 9 was performed, except that 2,2-bis (4-hydroxyphenyl) propane (bisphenol A) was used instead of 4,4′-dihydroxydiphenyl in Example 9. After completion of the reaction, 50 ml of water was added to the reaction solution to terminate the reaction.
- 2,2-bis (4-hydroxyphenyl) propane bisphenol A
- 50 ml of water was added to the reaction solution to terminate the reaction.
- the methanol solution was concentrated by an evaporator to remove dichloromethane and precipitate the product.
- the solid was separated by filtration, washed with methanol and dried.
- Example 10 A reaction was carried out in the same manner as in Example 10 except that 2,2-bis (4-hydroxyphenyl) propane (bisphenol A) was used instead of 4'-dihydroxydiphenyl in Example 10. . After the reaction was completed, 50 ml of water was added to the reaction solution to terminate the reaction. Thereafter product liquid was taken out, neutralized with N a HC 0 3 solution was added 5 O ml of methanol.
- the methanol solution was concentrated by an evaporator to remove dichloromethane and precipitate the product.
- the solid was separated by filtration, washed with methanol and dried.
- Example 1 was repeated except that 0,3-aminophenol was replaced by 3,3,1-diamino4,4′-dihydroxydiphenyl.
- the yield of 4,4, dihydroxy-3,3'-di (isopropylamino) diphenyl was 30%.
- the oxygen absorption start time for determining the antioxidant ability was 450 minutes.
- Example 3 (Synthesis of 4,4, dihydroxy-1,3,3 '-(isopropylamino) difuunil) Example 3 was carried out in the same manner as in Example 3 except that 3,3 'diamino 4,4, dihydroxydiphenyl was used instead of o-aminophenol. From the reaction solution and F c / C M g S 0 4 except by suction filtration, The filtrate was concentrated, hexane was precipitated product added to which was dried 4, 4 'Jihi Dorokishi 3, 3 'Di (isopropylamino) diphenyl was obtained. The yield was 87%.
- the oxygen absorption start time for determining the antioxidant capacity was 450 minutes.
- Example 1 was carried out in the same manner as in Example 1 except that 2,2-bis (3-amino-4-hydroxyphenyl) propane was used instead of 0-aminophenol.
- the yield of 2,2_bis [3- (isopropylamino) -4-hydroxyphenyl] propane was 30%.
- the time to start oxygen absorption for determining antioxidant capacity was 1165 minutes.
- the oxygen absorption start time for determining antioxidant capacity is 1165 minutes. there were.
- Example 14 The same reaction as in Example 14 was performed, except that methylethylketonone 120 ml was used instead of acetate 100 Oml in Example 14.
- the yield of 2,2-bis [3- (sec-butylamino) -14-hydroxyphenyl] propane is 91%, and the oxygen absorption onset time for judging the antioxidant ability is 790 minutes. Met.
- Example 3 The same reaction as in Example 3 was performed, except that 2-amido 7-4-1tert-butylphenol was used in place of 0-aminophenol in Example 3.
- the yield of 2- (isopropylamino) -141-tert-butyl phenol was 89%, and the start time of oxygen absorption for determining the antioxidant ability was 700 minutes.
- the antioxidant ability of a commercially available 0-aminophenol was determined.
- the oxygen absorption start time was 180 minutes.
- the antioxidant ability of a commercially available isopropylaniline was determined.
- the oxygen absorption start time was 120 minutes.
- the antioxidant activity of commercially available N-isopropyl-N, -phenyl-p-phenylenediamine was determined.
- the oxygen absorption start time was 160 minutes.
- the antioxidant of the present invention comprises an aromatic hydroxyamine derivative having a hydroxyl group and an amino group or a monoalkyl-substituted amino group at adjacent positions on an aromatic ring, wherein the hydroxyl group in the molecule is It has excellent antioxidant ability due to the interaction of amino and amino groups, and is used as an antioxidant in plastic products, rubber products, petroleum products, and so on.
- this aromatic hydroxyamine derivative can be used as a polymerization inhibitor.
- the bisaminophenol derivative of the present invention which is a novel substance, has extremely excellent antioxidant ability, and can be used as an antioxidant or a polymerization inhibitor.
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP04724787A EP1612254A4 (en) | 2003-04-02 | 2004-03-31 | ANTIOXIDANE AND BISAMINOPHENOL DERIVATIVE |
US10/551,451 US20060208227A1 (en) | 2003-04-02 | 2004-03-31 | Antioxidant and bisaminophenol derivative |
JP2005505218A JPWO2004090070A1 (ja) | 2003-04-02 | 2004-03-31 | 酸化防止剤およびビスアミノフェノール誘導体 |
US12/039,804 US7498467B2 (en) | 2003-04-02 | 2008-02-29 | Antioxidant and bisaminophenol derivative |
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JP2003099104 | 2003-04-02 | ||
JP2003-099104 | 2003-04-02 | ||
JP2003410630 | 2003-12-09 | ||
JP2003-410630 | 2003-12-09 |
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US10551451 A-371-Of-International | 2004-03-31 | ||
US12/039,804 Division US7498467B2 (en) | 2003-04-02 | 2008-02-29 | Antioxidant and bisaminophenol derivative |
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US (2) | US20060208227A1 (ja) |
EP (1) | EP1612254A4 (ja) |
JP (1) | JPWO2004090070A1 (ja) |
KR (1) | KR20060020606A (ja) |
TW (1) | TW200508274A (ja) |
WO (1) | WO2004090070A1 (ja) |
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JP2008507613A (ja) * | 2004-07-23 | 2008-03-13 | ポルノクス コーポレーション | 抗酸化マクロモノマーおよび抗酸化ポリマー、ならびにその作製方法および使用方法 |
US7902317B2 (en) | 2004-12-03 | 2011-03-08 | Polnox Corporation | Synthesis of aniline and phenol-based antioxidant macromonomers and corresponding polymers |
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WO2008005358A2 (en) | 2006-07-06 | 2008-01-10 | Polnox Corporation | Novel macromolecular antioxidants comprising differing antioxidant moieties: structures, methods of making and using the same |
US7767853B2 (en) | 2006-10-20 | 2010-08-03 | Polnox Corporation | Antioxidants and methods of making and using the same |
US10294423B2 (en) | 2013-11-22 | 2019-05-21 | Polnox Corporation | Macromolecular antioxidants based on dual type moiety per molecule: structures, methods of making and using the same |
WO2018057364A1 (en) | 2016-09-20 | 2018-03-29 | Lanxess Solutions Us Inc. | Lubricant compositions stabilized by mixtures of diarylamine and hydroxydiarylamine antioxidants |
EP3516020B1 (en) | 2016-09-20 | 2022-05-25 | LANXESS Corporation | Alkylated 3-hydroxydiphenylamine antioxidants |
CN109642176B (zh) | 2016-09-20 | 2022-12-30 | 朗盛解决方案美国公司 | 烷基化烷氧基二芳基胺抗氧化剂 |
US20180251695A1 (en) | 2017-03-01 | 2018-09-06 | Polnox Corporation | Macromolecular Corrosion (McIn) Inhibitors: Structures, Methods Of Making And Using The Same |
US11866631B2 (en) * | 2019-04-29 | 2024-01-09 | Ecolab Usa Inc. | Oxygenated aminophenol compounds and methods for preventing monomer polymerization |
JP2023547126A (ja) | 2020-10-21 | 2023-11-09 | エコラボ ユーエスエー インコーポレイティド | (ヒドロキシアルキル)アミノフェノールポリマー及び使用方法 |
CN112390721A (zh) * | 2020-10-27 | 2021-02-23 | 浙江工业大学 | 一种3,3’-二氨基-4,4’二羟基联苯盐酸盐的合成方法 |
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GB1246645A (en) * | 1968-09-16 | 1971-09-15 | Buryatsky Inst Estestvennykh N | Method of producing polyamides |
JPS5158482A (ja) * | 1974-11-20 | 1976-05-21 | Bridgestone Tire Co Ltd | |
JPS63135437A (ja) * | 1985-06-27 | 1988-06-07 | マリーン マグネシウム カンパニー | 改良ハロゲン含有ゴムおよびその製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2275311A (en) * | 1938-06-29 | 1942-03-03 | Du Pont | Process for nuclear alkylation of amino phenols and product thereof |
SU523080A1 (ru) | 1974-12-08 | 1976-07-30 | Киевский научно-исследовательский институт фармакологии и токсикологии | Способ поучени -алкил-или -диалкиламинофенолов |
SU569559A1 (ru) | 1975-10-17 | 1977-08-25 | Белорусский ордена Трудового Красного Знамени государственный университет им. В.И.Ленина | Способ получени о-аминофенолов |
US5114826A (en) * | 1989-12-28 | 1992-05-19 | Ibm Corporation | Photosensitive polyimide compositions |
JP3398492B2 (ja) * | 1994-10-21 | 2003-04-21 | 日本メクトロン株式会社 | 含フッ素エラストマー組成物 |
CA2319131A1 (en) * | 1998-01-26 | 1999-07-29 | Walter H. Moos | Mitochondria protecting agents for treating mitochondria associated diseases |
-
2004
- 2004-03-31 WO PCT/JP2004/004608 patent/WO2004090070A1/ja active Application Filing
- 2004-03-31 JP JP2005505218A patent/JPWO2004090070A1/ja not_active Withdrawn
- 2004-03-31 US US10/551,451 patent/US20060208227A1/en not_active Abandoned
- 2004-03-31 EP EP04724787A patent/EP1612254A4/en not_active Withdrawn
- 2004-03-31 KR KR1020057018772A patent/KR20060020606A/ko not_active Application Discontinuation
- 2004-04-02 TW TW093109244A patent/TW200508274A/zh unknown
-
2008
- 2008-02-29 US US12/039,804 patent/US7498467B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3033662A (en) * | 1957-08-01 | 1962-05-08 | Eastman Kodak Co | Gasoline with copolymeric lead stabilizer and a synergistic modification thereof |
US3149933A (en) * | 1960-08-25 | 1964-09-22 | Bayer Ag | Process for stabilizing liquid fuels |
GB1246645A (en) * | 1968-09-16 | 1971-09-15 | Buryatsky Inst Estestvennykh N | Method of producing polyamides |
JPS5158482A (ja) * | 1974-11-20 | 1976-05-21 | Bridgestone Tire Co Ltd | |
JPS63135437A (ja) * | 1985-06-27 | 1988-06-07 | マリーン マグネシウム カンパニー | 改良ハロゲン含有ゴムおよびその製造方法 |
Non-Patent Citations (1)
Title |
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See also references of EP1612254A4 * |
Also Published As
Publication number | Publication date |
---|---|
US20080161608A1 (en) | 2008-07-03 |
JPWO2004090070A1 (ja) | 2006-07-06 |
TW200508274A (en) | 2005-03-01 |
EP1612254A1 (en) | 2006-01-04 |
US7498467B2 (en) | 2009-03-03 |
KR20060020606A (ko) | 2006-03-06 |
EP1612254A4 (en) | 2007-07-18 |
US20060208227A1 (en) | 2006-09-21 |
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