GB1570741A - Process for teh production of diisocyanatodiphenyl methaneisomers with an adjusted content of chlorine compounds - Google Patents
Process for teh production of diisocyanatodiphenyl methaneisomers with an adjusted content of chlorine compounds Download PDFInfo
- Publication number
- GB1570741A GB1570741A GB2851477A GB2851477A GB1570741A GB 1570741 A GB1570741 A GB 1570741A GB 2851477 A GB2851477 A GB 2851477A GB 2851477 A GB2851477 A GB 2851477A GB 1570741 A GB1570741 A GB 1570741A
- Authority
- GB
- United Kingdom
- Prior art keywords
- methane
- diisocyanatodiphenyl methane
- ppm
- diisocyanatodiphenyl
- fraction
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 29
- 150000001805 chlorine compounds Chemical class 0.000 title description 16
- 238000004519 manufacturing process Methods 0.000 title description 5
- 238000004821 distillation Methods 0.000 claims description 61
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 45
- 239000000047 product Substances 0.000 claims description 44
- LFSYUSUFCBOHGU-UHFFFAOYSA-N 1-isocyanato-2-[(4-isocyanatophenyl)methyl]benzene Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=CC=C1N=C=O LFSYUSUFCBOHGU-UHFFFAOYSA-N 0.000 claims description 43
- 239000000203 mixture Substances 0.000 claims description 37
- 150000001875 compounds Chemical class 0.000 claims description 33
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 24
- 238000009835 boiling Methods 0.000 claims description 22
- 229920001228 polyisocyanate Polymers 0.000 claims description 22
- 239000005056 polyisocyanate Substances 0.000 claims description 22
- JIABEENURMZTTI-UHFFFAOYSA-N 1-isocyanato-2-[(2-isocyanatophenyl)methyl]benzene Chemical compound O=C=NC1=CC=CC=C1CC1=CC=CC=C1N=C=O JIABEENURMZTTI-UHFFFAOYSA-N 0.000 claims description 21
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 17
- 125000005442 diisocyanate group Chemical group 0.000 claims description 15
- HJCUTNIGJHJGCF-UHFFFAOYSA-N 9,10-dihydroacridine Chemical compound C1=CC=C2CC3=CC=CC=C3NC2=C1 HJCUTNIGJHJGCF-UHFFFAOYSA-N 0.000 claims description 10
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical class C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 241001550224 Apha Species 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- UTNMPUFESIRPQP-UHFFFAOYSA-N 2-[(4-aminophenyl)methyl]aniline Chemical compound C1=CC(N)=CC=C1CC1=CC=CC=C1N UTNMPUFESIRPQP-UHFFFAOYSA-N 0.000 claims description 2
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000007859 condensation product Substances 0.000 claims description 2
- 150000004985 diamines Chemical class 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 36
- 239000000460 chlorine Substances 0.000 description 36
- 229910052801 chlorine Inorganic materials 0.000 description 36
- 239000012535 impurity Substances 0.000 description 24
- 238000000926 separation method Methods 0.000 description 23
- 238000006243 chemical reaction Methods 0.000 description 15
- DZBUGLKDJFMEHC-UHFFFAOYSA-N acridine Chemical compound C1=CC=CC2=CC3=CC=CC=C3N=C21 DZBUGLKDJFMEHC-UHFFFAOYSA-N 0.000 description 8
- 239000012948 isocyanate Substances 0.000 description 7
- 150000002513 isocyanates Chemical class 0.000 description 7
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 6
- HIFVAOIJYDXIJG-UHFFFAOYSA-N benzylbenzene;isocyanic acid Chemical class N=C=O.N=C=O.C=1C=CC=CC=1CC1=CC=CC=C1 HIFVAOIJYDXIJG-UHFFFAOYSA-N 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 5
- 238000005194 fractionation Methods 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 229920002635 polyurethane Polymers 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 238000004508 fractional distillation Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- HLFCOTXLSHLIBK-UHFFFAOYSA-N 4-n-benzylbenzene-1,4-diamine Chemical compound C1=CC(N)=CC=C1NCC1=CC=CC=C1 HLFCOTXLSHLIBK-UHFFFAOYSA-N 0.000 description 3
- LNWBFIVSTXCJJG-UHFFFAOYSA-N [diisocyanato(phenyl)methyl]benzene Chemical class C=1C=CC=CC=1C(N=C=O)(N=C=O)C1=CC=CC=C1 LNWBFIVSTXCJJG-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000001718 carbodiimides Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920000768 polyamine Polymers 0.000 description 3
- CKDWPUIZGOQOOM-UHFFFAOYSA-N Carbamyl chloride Chemical compound NC(Cl)=O CKDWPUIZGOQOOM-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 150000007514 bases Chemical class 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 description 2
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OBYMZHLTKVXPQF-UHFFFAOYSA-N 1-(chloromethyl)-4-isocyanatobenzene Chemical compound ClCC1=CC=C(N=C=O)C=C1 OBYMZHLTKVXPQF-UHFFFAOYSA-N 0.000 description 1
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 1
- -1 N,N-disubstituted carbamic acid chlorides Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical group ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- DYDNPESBYVVLBO-UHFFFAOYSA-N formanilide Chemical compound O=CNC1=CC=CC=C1 DYDNPESBYVVLBO-UHFFFAOYSA-N 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- DGTNSSLYPYDJGL-UHFFFAOYSA-N phenyl isocyanate Chemical compound O=C=NC1=CC=CC=C1 DGTNSSLYPYDJGL-UHFFFAOYSA-N 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762631168 DE2631168B2 (de) | 1976-07-10 | 1976-07-10 | Verfahren zur Herstellung von Diisocyanatodiphenylmethan-Isomeren mit einem eingestellten Gehalt an Chlorverbindungen |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1570741A true GB1570741A (en) | 1980-07-09 |
Family
ID=5982715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2851477A Expired GB1570741A (en) | 1976-07-10 | 1977-07-07 | Process for teh production of diisocyanatodiphenyl methaneisomers with an adjusted content of chlorine compounds |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS539750A (enrdf_load_stackoverflow) |
BE (1) | BE856617A (enrdf_load_stackoverflow) |
DE (1) | DE2631168B2 (enrdf_load_stackoverflow) |
ES (1) | ES460560A1 (enrdf_load_stackoverflow) |
FR (1) | FR2357532A1 (enrdf_load_stackoverflow) |
GB (1) | GB1570741A (enrdf_load_stackoverflow) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6222066B1 (en) | 1999-03-30 | 2001-04-24 | Bayer Aktiengesellschaft | Process for decreasing the chlorine content of organic isocyanates |
US6391161B1 (en) | 1999-03-30 | 2002-05-21 | Bayer Aktiengesellschaft | Method for reducing the chlorine content of low molecular weight isocyanates |
CN100434417C (zh) * | 2004-02-04 | 2008-11-19 | 拜尔材料科学股份公司 | 非常纯的2,4'-亚甲基二苯基二异氰酸酯的生产方法 |
US11613518B2 (en) | 2017-12-14 | 2023-03-28 | Sulzer Management Ag | Plant and method for purifying an isomeric monomer |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54103415A (en) * | 1978-01-31 | 1979-08-14 | Ricoh Kk | Lens bonding |
JPS54102321A (en) * | 1978-01-31 | 1979-08-11 | Ricoh Kk | Removing bubbles in lens bonding |
JPS54102320A (en) * | 1978-01-31 | 1979-08-11 | Ricoh Kk | Lens bonding and apparatus therefor |
DE2935318A1 (de) * | 1979-08-31 | 1981-03-26 | Bayer Ag, 51373 Leverkusen | Neue diisocyanate bzw. diisocyanatgemische der diphenylmethanreihe, verfahren zu ihrer herstellung, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen nach dem isocyanat-polyadditionsverfahren |
JPH02311452A (ja) * | 1989-05-26 | 1990-12-27 | Daicel Chem Ind Ltd | ジイソシアネート化合物 |
JP2875877B2 (ja) * | 1990-10-23 | 1999-03-31 | 三井化学株式会社 | メチレン架橋ポリフェニレンポリイソシアネートの製造方法 |
EP1475367B1 (de) * | 2003-05-08 | 2010-07-07 | Bayer MaterialScience AG | Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane |
DE102005004170A1 (de) * | 2005-01-29 | 2006-08-03 | Bayer Materialscience Ag | Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane |
DE102005026864A1 (de) | 2005-06-10 | 2006-12-14 | Bayer Materialscience Ag | Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat |
DE102005053065A1 (de) * | 2005-11-04 | 2007-05-10 | Basf Ag | Verfahren zur Herstellung von Polyisocyanatgemischen |
HUE030678T2 (hu) | 2010-11-17 | 2017-05-29 | Basf Se | Eljárás 4,4'-metilén-difenil-diizocianátot tartalmazó keverékek tisztítására |
CN103298781B (zh) | 2010-11-17 | 2015-04-22 | 巴斯夫欧洲公司 | 制备亚甲基二苯基二异氰酸酯的方法 |
US8907124B2 (en) | 2010-11-17 | 2014-12-09 | Basf Se | Process for preparing methylenedi(phenyl isocyanate) |
EP2640695B1 (de) * | 2010-11-17 | 2015-01-07 | Basf Se | Verfahren zur aufreinigung von 4,4'-methylendiphenyldiisocyanat enthaltenden mischungen |
US9505711B2 (en) | 2010-11-17 | 2016-11-29 | Basf Se | Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate |
JP2015010183A (ja) * | 2013-06-28 | 2015-01-19 | 旭化成ケミカルズ株式会社 | ジイソシアネート組成物 |
CN107207422B (zh) | 2015-01-30 | 2020-12-11 | 巴斯夫欧洲公司 | 低副产物的多亚苯基多亚甲基多异氰酸酯 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3219678A (en) * | 1963-02-28 | 1965-11-23 | Olin Mathieson | Process for reducing the hydrolyzable chlorine content of organic isocyanates |
DE1805957A1 (de) * | 1967-10-31 | 1969-06-26 | Takeda Chemical Industries Ltd | Verfahren zur Reinigung von Xylylendiisocyanat |
GB1398975A (en) * | 1971-08-16 | 1975-06-25 | Ici Ltd | Heat treatment and distillation of methylene bridged polyphenyl polyisocyanates |
GB1384065A (en) * | 1971-11-30 | 1975-02-19 | Ici Ltd | Process for the purification of organic isocyanates |
US3853936A (en) * | 1973-02-05 | 1974-12-10 | Olin Corp | Process for distillation of toluene diisocyanate |
US3912600A (en) * | 1974-05-09 | 1975-10-14 | Upjohn Co | Recovery of polymethylene polyphenyl polyisocyanate from a phoshenosed polyamine feed |
-
1976
- 1976-07-10 DE DE19762631168 patent/DE2631168B2/de not_active Ceased
-
1977
- 1977-07-07 GB GB2851477A patent/GB1570741A/en not_active Expired
- 1977-07-08 BE BE179183A patent/BE856617A/xx not_active IP Right Cessation
- 1977-07-08 FR FR7721174A patent/FR2357532A1/fr active Granted
- 1977-07-08 ES ES460560A patent/ES460560A1/es not_active Expired
- 1977-07-08 JP JP8111477A patent/JPS539750A/ja active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6222066B1 (en) | 1999-03-30 | 2001-04-24 | Bayer Aktiengesellschaft | Process for decreasing the chlorine content of organic isocyanates |
US6391161B1 (en) | 1999-03-30 | 2002-05-21 | Bayer Aktiengesellschaft | Method for reducing the chlorine content of low molecular weight isocyanates |
CN100434417C (zh) * | 2004-02-04 | 2008-11-19 | 拜尔材料科学股份公司 | 非常纯的2,4'-亚甲基二苯基二异氰酸酯的生产方法 |
CN101117375B (zh) * | 2004-02-04 | 2010-11-24 | 拜尔材料科学股份公司 | 聚氨酯和/或预聚物的生产方法 |
KR101142714B1 (ko) | 2004-02-04 | 2012-05-03 | 바이엘 머티리얼사이언스 아게 | 매우 순수한 2,4'-메틸렌디페닐 디이소시아네이트의 제조방법 |
US11613518B2 (en) | 2017-12-14 | 2023-03-28 | Sulzer Management Ag | Plant and method for purifying an isomeric monomer |
Also Published As
Publication number | Publication date |
---|---|
DE2631168B2 (de) | 1979-03-08 |
FR2357532B1 (enrdf_load_stackoverflow) | 1980-10-17 |
ES460560A1 (es) | 1978-05-16 |
JPS539750A (en) | 1978-01-28 |
DE2631168A1 (de) | 1978-01-12 |
BE856617A (fr) | 1978-01-09 |
FR2357532A1 (fr) | 1978-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |