CN102584601A - 一种烷基化二苯胺抗氧剂产品的制备方法 - Google Patents
一种烷基化二苯胺抗氧剂产品的制备方法 Download PDFInfo
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- CN102584601A CN102584601A CN201210001144XA CN201210001144A CN102584601A CN 102584601 A CN102584601 A CN 102584601A CN 201210001144X A CN201210001144X A CN 201210001144XA CN 201210001144 A CN201210001144 A CN 201210001144A CN 102584601 A CN102584601 A CN 102584601A
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- CN
- China
- Prior art keywords
- pentanoic
- reaction
- preparation
- solvent
- alkylated diphenylamine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 239000003963 antioxidant agent Substances 0.000 title claims abstract description 40
- 230000003078 antioxidant effect Effects 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 75
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000003054 catalyst Substances 0.000 claims abstract description 35
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 29
- 239000003960 organic solvent Substances 0.000 claims abstract description 21
- 238000005406 washing Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000011259 mixed solution Substances 0.000 claims abstract description 5
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 3
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N pentanoic acid group Chemical group C(CCCC)(=O)O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 claims description 78
- 238000010992 reflux Methods 0.000 claims description 58
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical class CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 claims description 37
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 claims description 31
- 238000003756 stirring Methods 0.000 claims description 29
- 239000002904 solvent Substances 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- -1 octadecyl ester Chemical class 0.000 claims description 15
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 14
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 12
- 238000010792 warming Methods 0.000 claims description 12
- 239000012295 chemical reaction liquid Substances 0.000 claims description 10
- 238000002425 crystallisation Methods 0.000 claims description 10
- 230000008025 crystallization Effects 0.000 claims description 10
- 238000001953 recrystallisation Methods 0.000 claims description 10
- 230000003381 solubilizing effect Effects 0.000 claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 229910001570 bauxite Inorganic materials 0.000 claims description 7
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 235000019260 propionic acid Nutrition 0.000 claims description 7
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 7
- 238000001291 vacuum drying Methods 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 6
- 150000002430 hydrocarbons Chemical class 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 5
- 239000005977 Ethylene Substances 0.000 claims description 4
- FQUNFJULCYSSOP-UHFFFAOYSA-N bisoctrizole Chemical compound N1=C2C=CC=CC2=NN1C1=CC(C(C)(C)CC(C)(C)C)=CC(CC=2C(=C(C=C(C=2)C(C)(C)CC(C)(C)C)N2N=C3C=CC=CC3=N2)O)=C1O FQUNFJULCYSSOP-UHFFFAOYSA-N 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 claims description 2
- GPNYZBKIGXGYNU-UHFFFAOYSA-N 2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol Chemical compound CC(C)(C)C1=CC(CC)=CC(CC=2C(=C(C=C(CC)C=2)C(C)(C)C)O)=C1O GPNYZBKIGXGYNU-UHFFFAOYSA-N 0.000 claims description 2
- 238000004821 distillation Methods 0.000 claims description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims 1
- DOIRQSBPFJWKBE-UHFFFAOYSA-N phthalic acid di-n-butyl ester Natural products CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims 1
- 239000000047 product Substances 0.000 abstract description 65
- 239000003112 inhibitor Substances 0.000 abstract description 12
- 238000002474 experimental method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000006116 polymerization reaction Methods 0.000 abstract description 4
- 229920002994 synthetic fiber Polymers 0.000 abstract description 4
- 239000010687 lubricating oil Substances 0.000 abstract description 3
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 abstract 2
- 239000000706 filtrate Substances 0.000 abstract 1
- 235000006708 antioxidants Nutrition 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000003921 oil Substances 0.000 description 16
- 239000002994 raw material Substances 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- 239000013078 crystal Substances 0.000 description 12
- 239000007787 solid Substances 0.000 description 11
- 238000003442 catalytic alkylation reaction Methods 0.000 description 10
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 10
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000006467 substitution reaction Methods 0.000 description 8
- 239000002253 acid Substances 0.000 description 6
- 150000001336 alkenes Chemical class 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011973 solid acid Substances 0.000 description 6
- 238000005303 weighing Methods 0.000 description 6
- 238000005804 alkylation reaction Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000012065 filter cake Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- FXNDIJDIPNCZQJ-UHFFFAOYSA-N 2,4,4-trimethylpent-1-ene Chemical group CC(=C)CC(C)(C)C FXNDIJDIPNCZQJ-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000002841 Lewis acid Substances 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 150000007517 lewis acids Chemical class 0.000 description 4
- GVKQRLXYDPFTKR-UHFFFAOYSA-N n-phenylaniline;styrene Chemical class C=CC1=CC=CC=C1.C=1C=CC=CC=1NC1=CC=CC=C1 GVKQRLXYDPFTKR-UHFFFAOYSA-N 0.000 description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000029936 alkylation Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000002530 phenolic antioxidant Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 239000013638 trimer Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- CDLQDWBXUJDBCS-UHFFFAOYSA-N 1,2-diphenylethenylbenzene N-phenylaniline Chemical class C=1C=CC=CC=1NC1=CC=CC=C1.C=1C=CC=CC=1C=C(C=1C=CC=CC=1)C1=CC=CC=C1 CDLQDWBXUJDBCS-UHFFFAOYSA-N 0.000 description 2
- 239000007848 Bronsted acid Substances 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910052901 montmorillonite Inorganic materials 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- QVXGKJYMVLJYCL-UHFFFAOYSA-N 2,3-di(nonyl)-N-phenylaniline Chemical class C(CCCCCCCC)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCCCCC QVXGKJYMVLJYCL-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229920002449 FKM Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000001457 metallic cations Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-M phenolate Chemical compound [O-]C1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-M 0.000 description 1
- 229940031826 phenolate Drugs 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 150000004053 quinones Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- VYGSFTVYZHNGBU-UHFFFAOYSA-N trichloromethanesulfonic acid Chemical compound OS(=O)(=O)C(Cl)(Cl)Cl VYGSFTVYZHNGBU-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims (9)
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CN201210001144.XA CN102584601B (zh) | 2012-01-05 | 2012-01-05 | 一种烷基化二苯胺抗氧剂产品的制备方法 |
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CN201210001144.XA CN102584601B (zh) | 2012-01-05 | 2012-01-05 | 一种烷基化二苯胺抗氧剂产品的制备方法 |
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CN102584601A true CN102584601A (zh) | 2012-07-18 |
CN102584601B CN102584601B (zh) | 2014-02-05 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106944142A (zh) * | 2017-03-22 | 2017-07-14 | 新乡市瑞丰新材料股份有限公司 | 一种复合催化剂及壬基二苯胺的制备方法 |
CN113004150A (zh) * | 2021-03-08 | 2021-06-22 | 江苏极易新材料有限公司 | 一种二苯胺类l57,l67的合成方法 |
CN113773205A (zh) * | 2021-09-24 | 2021-12-10 | 天津利安隆新材料股份有限公司 | 一种4,4’-二(苯基异丙基)二苯胺的制备方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105732400A (zh) * | 2014-12-12 | 2016-07-06 | 中国石油天然气股份有限公司 | 一种对,对-二异丙苯基二苯胺产品的制备方法 |
CN105777552B (zh) * | 2014-12-23 | 2018-10-16 | 中国石油天然气股份有限公司 | 固态烷基化二苯胺的制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4263456A (en) * | 1976-12-02 | 1981-04-21 | The Goodyear Tire & Rubber Company | Process of preparing styrenated diphenylamine |
CN101538208A (zh) * | 2009-04-23 | 2009-09-23 | 江苏飞亚化学工业有限责任公司 | 制备4-(α,α-二甲基苄基)二苯胺和4,4’-双(α,α-二甲基苄基)二苯胺混合物的方法 |
CN101538207A (zh) * | 2009-04-23 | 2009-09-23 | 江苏飞亚化学工业有限责任公司 | 一种制备4,4’-双(α,α-二甲基苄基)二苯胺的方法 |
-
2012
- 2012-01-05 CN CN201210001144.XA patent/CN102584601B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4263456A (en) * | 1976-12-02 | 1981-04-21 | The Goodyear Tire & Rubber Company | Process of preparing styrenated diphenylamine |
CN101538208A (zh) * | 2009-04-23 | 2009-09-23 | 江苏飞亚化学工业有限责任公司 | 制备4-(α,α-二甲基苄基)二苯胺和4,4’-双(α,α-二甲基苄基)二苯胺混合物的方法 |
CN101538207A (zh) * | 2009-04-23 | 2009-09-23 | 江苏飞亚化学工业有限责任公司 | 一种制备4,4’-双(α,α-二甲基苄基)二苯胺的方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106944142A (zh) * | 2017-03-22 | 2017-07-14 | 新乡市瑞丰新材料股份有限公司 | 一种复合催化剂及壬基二苯胺的制备方法 |
CN106944142B (zh) * | 2017-03-22 | 2019-08-16 | 新乡市瑞丰新材料股份有限公司 | 一种复合催化剂及壬基二苯胺的制备方法 |
CN113004150A (zh) * | 2021-03-08 | 2021-06-22 | 江苏极易新材料有限公司 | 一种二苯胺类l57,l67的合成方法 |
CN113004150B (zh) * | 2021-03-08 | 2021-10-29 | 江苏极易新材料有限公司 | 一种二苯胺类l57,l67的合成方法 |
CN113773205A (zh) * | 2021-09-24 | 2021-12-10 | 天津利安隆新材料股份有限公司 | 一种4,4’-二(苯基异丙基)二苯胺的制备方法 |
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CN102584601B (zh) | 2014-02-05 |
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