DE2426116B2 - Verfahren zur Herstellung von Methylenbrücken aufweisenden PoIyarylaminen - Google Patents
Verfahren zur Herstellung von Methylenbrücken aufweisenden PoIyarylaminenInfo
- Publication number
- DE2426116B2 DE2426116B2 DE2426116A DE2426116A DE2426116B2 DE 2426116 B2 DE2426116 B2 DE 2426116B2 DE 2426116 A DE2426116 A DE 2426116A DE 2426116 A DE2426116 A DE 2426116A DE 2426116 B2 DE2426116 B2 DE 2426116B2
- Authority
- DE
- Germany
- Prior art keywords
- water
- aniline
- catalyst
- formaldehyde
- product
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 26
- 230000008569 process Effects 0.000 title claims description 17
- 238000002360 preparation method Methods 0.000 title claims description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 239000003054 catalyst Substances 0.000 claims description 27
- 150000004982 aromatic amines Chemical class 0.000 claims description 18
- -1 aliphatic aldehydes Chemical class 0.000 claims description 9
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims description 9
- 229920000768 polyamine Polymers 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
- 150000008043 acidic salts Chemical class 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- HHVIBTZHLRERCL-UHFFFAOYSA-N sulfonyldimethane Chemical compound CS(C)(=O)=O HHVIBTZHLRERCL-UHFFFAOYSA-N 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000003377 acid catalyst Substances 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- RNVCVTLRINQCPJ-UHFFFAOYSA-N o-toluidine Chemical compound CC1=CC=CC=C1N RNVCVTLRINQCPJ-UHFFFAOYSA-N 0.000 claims 2
- AKCRQHGQIJBRMN-UHFFFAOYSA-N 2-chloroaniline Chemical compound NC1=CC=CC=C1Cl AKCRQHGQIJBRMN-UHFFFAOYSA-N 0.000 claims 1
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- 238000010936 aqueous wash Methods 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 78
- 239000000047 product Substances 0.000 description 40
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical class C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 25
- 239000000203 mixture Substances 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 19
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 18
- 239000002253 acid Substances 0.000 description 15
- 239000000243 solution Substances 0.000 description 14
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 150000003839 salts Chemical class 0.000 description 10
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 8
- 239000007795 chemical reaction product Substances 0.000 description 8
- 150000004985 diamines Chemical class 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000012074 organic phase Substances 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 239000007859 condensation product Substances 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 239000008346 aqueous phase Substances 0.000 description 5
- 239000002585 base Substances 0.000 description 5
- 235000019441 ethanol Nutrition 0.000 description 5
- MGJURKDLIJVDEO-UHFFFAOYSA-N formaldehyde;hydrate Chemical compound O.O=C MGJURKDLIJVDEO-UHFFFAOYSA-N 0.000 description 5
- DYDNPESBYVVLBO-UHFFFAOYSA-N formanilide Chemical class O=CNC1=CC=CC=C1 DYDNPESBYVVLBO-UHFFFAOYSA-N 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 4
- 150000001299 aldehydes Chemical class 0.000 description 4
- 229940098779 methanesulfonic acid Drugs 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000012044 organic layer Substances 0.000 description 3
- 239000002798 polar solvent Substances 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 230000008707 rearrangement Effects 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- GWHJZXXIDMPWGX-UHFFFAOYSA-N 1,2,4-trimethylbenzene Chemical compound CC1=CC=C(C)C(C)=C1 GWHJZXXIDMPWGX-UHFFFAOYSA-N 0.000 description 2
- OHKOAJUTRVTYSW-UHFFFAOYSA-N 2-[(2-aminophenyl)methyl]aniline Chemical compound NC1=CC=CC=C1CC1=CC=CC=C1N OHKOAJUTRVTYSW-UHFFFAOYSA-N 0.000 description 2
- HJXPGCTYMKCLTR-UHFFFAOYSA-N 2-bromo-9,9-diethylfluorene Chemical compound C1=C(Br)C=C2C(CC)(CC)C3=CC=CC=C3C2=C1 HJXPGCTYMKCLTR-UHFFFAOYSA-N 0.000 description 2
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 2
- JJYPMNFTHPTTDI-UHFFFAOYSA-N 3-methylaniline Chemical compound CC1=CC=CC(N)=C1 JJYPMNFTHPTTDI-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 2
- JBCSOBKDUKAJHR-UHFFFAOYSA-N ClO.NC1=CC=CC=C1 Chemical compound ClO.NC1=CC=CC=C1 JBCSOBKDUKAJHR-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical class C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 239000012456 homogeneous solution Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920006389 polyphenyl polymer Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical group C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 1
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- RLYCRLGLCUXUPO-UHFFFAOYSA-N 2,6-diaminotoluene Chemical compound CC1=C(N)C=CC=C1N RLYCRLGLCUXUPO-UHFFFAOYSA-N 0.000 description 1
- FOYHNROGBXVLLX-UHFFFAOYSA-N 2,6-diethylaniline Chemical compound CCC1=CC=CC(CC)=C1N FOYHNROGBXVLLX-UHFFFAOYSA-N 0.000 description 1
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 1
- FZZMTSNZRBFGGU-UHFFFAOYSA-N 2-chloro-7-fluoroquinazolin-4-amine Chemical compound FC1=CC=C2C(N)=NC(Cl)=NC2=C1 FZZMTSNZRBFGGU-UHFFFAOYSA-N 0.000 description 1
- MLPVBIWIRCKMJV-UHFFFAOYSA-N 2-ethylaniline Chemical compound CCC1=CC=CC=C1N MLPVBIWIRCKMJV-UHFFFAOYSA-N 0.000 description 1
- GZYMMTQDXHJALZ-UHFFFAOYSA-N 3-benzylaniline Chemical compound NC1=CC=CC(CC=2C=CC=CC=2)=C1 GZYMMTQDXHJALZ-UHFFFAOYSA-N 0.000 description 1
- DHYHYLGCQVVLOQ-UHFFFAOYSA-N 3-bromoaniline Chemical compound NC1=CC=CC(Br)=C1 DHYHYLGCQVVLOQ-UHFFFAOYSA-N 0.000 description 1
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 1
- GFMXHLMVNHNNGU-UHFFFAOYSA-N 4-ethylaniline Chemical compound [CH2]CC1=CC=C(N)C=C1 GFMXHLMVNHNNGU-UHFFFAOYSA-N 0.000 description 1
- CNPURSDMOWDNOQ-UHFFFAOYSA-N 4-methoxy-7h-pyrrolo[2,3-d]pyrimidin-2-amine Chemical compound COC1=NC(N)=NC2=C1C=CN2 CNPURSDMOWDNOQ-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical class Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- 229940106681 chloroacetic acid Drugs 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- NCBZRJODKRCREW-UHFFFAOYSA-N m-anisidine Chemical class COC1=CC=CC(N)=C1 NCBZRJODKRCREW-UHFFFAOYSA-N 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- VSHTWPWTCXQLQN-UHFFFAOYSA-N n-butylaniline Chemical class CCCCNC1=CC=CC=C1 VSHTWPWTCXQLQN-UHFFFAOYSA-N 0.000 description 1
- CDZOGLJOFWFVOZ-UHFFFAOYSA-N n-propylaniline Chemical class CCCNC1=CC=CC=C1 CDZOGLJOFWFVOZ-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- VMPITZXILSNTON-UHFFFAOYSA-N o-anisidine Chemical class COC1=CC=CC=C1N VMPITZXILSNTON-UHFFFAOYSA-N 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 238000006053 organic reaction Methods 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 150000004992 toluidines Chemical class 0.000 description 1
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/06—Amines
- C08G12/08—Amines aromatic
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT482673A ATA482673A (de) | 1973-06-01 | 1973-06-01 | Verfahren zur herstellung von methylenbrucken aufweisenden polyarylaminen |
| AT799173 | 1973-09-17 | ||
| AT350874 | 1974-04-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2426116A1 DE2426116A1 (de) | 1975-01-02 |
| DE2426116B2 true DE2426116B2 (de) | 1978-05-11 |
Family
ID=27149467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2426116A Withdrawn DE2426116B2 (de) | 1973-06-01 | 1974-05-29 | Verfahren zur Herstellung von Methylenbrücken aufweisenden PoIyarylaminen |
Country Status (11)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2557501A1 (de) * | 1975-12-19 | 1977-06-30 | Bayer Ag | Verfahren zur herstellung von polyaminen |
| DE2557500A1 (de) * | 1975-12-19 | 1977-06-30 | Bayer Ag | Verfahren zur herstellung von polyaminen |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337291Y2 (enrdf_load_stackoverflow) * | 1972-07-27 | 1978-09-09 | ||
| JPS5158417U (enrdf_load_stackoverflow) * | 1974-11-01 | 1976-05-08 | ||
| US4039580A (en) * | 1975-07-24 | 1977-08-02 | The Upjohn Company | Process for preparing di(aminophenyl)methanes |
| CA1137514A (en) * | 1978-01-25 | 1982-12-14 | Willi Eifler | Process for the preparation of polyamines of the diphenyl methane series which are rich in ortho isomers |
| US4294987A (en) * | 1979-12-31 | 1981-10-13 | The Upjohn Company | Process for preparing methylene dianilines |
| PT77551B (de) * | 1982-10-25 | 1986-02-12 | Elprochine Ag | Verfahren zur herstellung von methylenbruecken aufweisenden polyarylaminen |
| EP0237471A3 (de) * | 1986-02-04 | 1989-11-08 | Ciba-Geigy Ag | Mischungen aromatischer Diamine als Härter für Epoxid- und Urethanharze |
| JP2825604B2 (ja) * | 1990-04-11 | 1998-11-18 | 三井化学株式会社 | メチレン架橋されたポリアリールアミンの製造方法 |
| DE19804916A1 (de) * | 1998-02-07 | 1999-08-12 | Basf Ag | Verfahren zur Herstellung von Methylendi(phenylamin) |
| DE19804915A1 (de) | 1998-02-07 | 1999-08-12 | Basf Ag | Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat) |
| EP2062869A1 (en) | 2007-09-19 | 2009-05-27 | Huntsman International Llc | Process for the production of di-and polyamines of the diphenylmethane series |
| EP2039676A1 (en) | 2007-09-19 | 2009-03-25 | Huntsman International Llc | Process for the production of di-and polyamines of the diphenylmethane series |
| DE102008012037A1 (de) | 2008-03-01 | 2009-09-03 | Bayer Materialscience Ag | Verfahren zur Herstellung von Methylen-diphenyl-diisocyanaten |
-
1974
- 1974-05-29 DE DE2426116A patent/DE2426116B2/de not_active Withdrawn
- 1974-05-30 SE SE7407170A patent/SE7407170L/ not_active Application Discontinuation
- 1974-05-30 FR FR7418876A patent/FR2231665B3/fr not_active Expired
- 1974-05-30 DD DD178873A patent/DD111918A5/xx unknown
- 1974-05-30 IL IL44923A patent/IL44923A0/xx unknown
- 1974-05-31 NL NL7407413A patent/NL7407413A/xx unknown
- 1974-05-31 BR BR4523/74A patent/BR7404523D0/pt unknown
- 1974-05-31 ES ES426826A patent/ES426826A1/es not_active Expired
- 1974-05-31 AU AU69651/74A patent/AU6965174A/en not_active Expired
- 1974-05-31 JP JP49062437A patent/JPS5027891A/ja active Pending
- 1974-05-31 GB GB2416474A patent/GB1450632A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2557501A1 (de) * | 1975-12-19 | 1977-06-30 | Bayer Ag | Verfahren zur herstellung von polyaminen |
| DE2557500A1 (de) * | 1975-12-19 | 1977-06-30 | Bayer Ag | Verfahren zur herstellung von polyaminen |
Also Published As
| Publication number | Publication date |
|---|---|
| DD111918A5 (enrdf_load_stackoverflow) | 1975-03-12 |
| SE7407170L (enrdf_load_stackoverflow) | 1974-12-02 |
| ES426826A1 (es) | 1976-09-16 |
| IL44923A0 (en) | 1974-07-31 |
| DE2426116A1 (de) | 1975-01-02 |
| JPS5027891A (enrdf_load_stackoverflow) | 1975-03-22 |
| FR2231665A1 (enrdf_load_stackoverflow) | 1974-12-27 |
| AU6965174A (en) | 1975-12-04 |
| NL7407413A (enrdf_load_stackoverflow) | 1974-12-03 |
| FR2231665B3 (enrdf_load_stackoverflow) | 1977-03-25 |
| BR7404523D0 (pt) | 1975-09-30 |
| GB1450632A (en) | 1976-09-22 |
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| DE2426116B2 (de) | Verfahren zur Herstellung von Methylenbrücken aufweisenden PoIyarylaminen | |
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