JP2015500234A - 高い2,4’−メチレンジフェニルジイソシアネート純度を有するメチレンジフェニルジイソシアネート異性体混合物の製造方法 - Google Patents
高い2,4’−メチレンジフェニルジイソシアネート純度を有するメチレンジフェニルジイソシアネート異性体混合物の製造方法 Download PDFInfo
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- 239000000203 mixture Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title description 3
- JIABEENURMZTTI-UHFFFAOYSA-N 1-isocyanato-2-[(2-isocyanatophenyl)methyl]benzene Chemical class O=C=NC1=CC=CC=C1CC1=CC=CC=C1N=C=O JIABEENURMZTTI-UHFFFAOYSA-N 0.000 title 1
- 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 title 1
- 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 abstract description 94
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 24
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 22
- 238000004821 distillation Methods 0.000 claims description 19
- 239000003377 acid catalyst Substances 0.000 claims description 9
- 238000002425 crystallisation Methods 0.000 claims description 8
- 230000008025 crystallization Effects 0.000 claims description 8
- 229920000768 polyamine Polymers 0.000 claims description 8
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical class C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 150000003142 primary aromatic amines Chemical class 0.000 abstract description 5
- 230000009257 reactivity Effects 0.000 abstract description 4
- 239000013078 crystal Substances 0.000 description 9
- 238000009835 boiling Methods 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000002131 composite material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000012074 organic phase Substances 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 229920006264 polyurethane film Polymers 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RELMFMZEBKVZJC-UHFFFAOYSA-N 1,2,3-trichlorobenzene Chemical class ClC1=CC=CC(Cl)=C1Cl RELMFMZEBKVZJC-UHFFFAOYSA-N 0.000 description 1
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 1
- MNNZINNZIQVULG-UHFFFAOYSA-N 2-chloroethylbenzene Chemical compound ClCCC1=CC=CC=C1 MNNZINNZIQVULG-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000007854 aminals Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000004816 dichlorobenzenes Chemical class 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000005003 food packaging material Substances 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 229910001410 inorganic ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 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 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011973 solid acid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 150000003613 toluenes Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (11)
- メチレンジフェニルジイソシアネート(MDI)異性体の混合物の製造方法であって、
酸触媒の存在下、アニリンとホルムアルデヒドとを反応させて、メチレンジフェニルジアミン及びジフェニルメタン系列のポリアミンを生成する工程と、
MDI異性体及び高分子MDIの混合物を生成するために、前記メチレンジフェニルジアミン及び前記ジフェニルメタン系列のポリアミンをホスゲン化する工程と、
第1の画分の全重量に対し、少なくとも56重量%の2,4’−MDIと2,2’−MDIとを含む、少なくとも98重量%の前記MDI異性体を含有する前記第1の画分を、前記MDI異性体と前記高分子MDIとの前記混合物から分離する工程と、
第2の画分の全重量に対し、少なくとも95重量%の2,4’−MDIを含む、少なくとも99重量%のMDI異性体を含有する前記第2の画分を、前記第1の画分から分離する工程と、を含む方法。 - 前記第1の画分が、20重量%〜43重量%の4,4’−MDI含有量と、56重量%〜80重量%の2,4’−MDI含有量と、0.01重量%〜10重量%の2,2’−MDI含有量とを含む、請求項1に記載の方法。
- 前記第2の画分が、0.001重量%〜5重量%の4,4’−MDI含有量と、95重量%〜99.998重量%の2,4’−MDI含有量と、0.0001重量%〜1重量%の2,2’−MDI含有量とを含む、請求項1又は2に記載の方法。
- 前記第1の画分からの前記分離が結晶化操作を含む、請求項1〜3のいずれか一項に記載の方法。
- 前記第1の画分からの前記分離が連続的な結晶化操作を含む、請求項4に記載の方法。
- 前記第1の画分を取り出した後、第3の画分の全重量に対し、少なくとも98重量%の4,4’−MDI含有量を含む前記第3の画分が前記混合物から取り出される、請求項1〜5のいずれか一項に記載の方法。
- 前記第3の画分が、98重量%〜99.99重量%の4,4’−MDI含有量と、0.001重量%〜2重量%の2,4’−MDI含有量と、0.001重量%〜1重量%の2,2’−MDI含有量とを含む、請求項6に記載の方法。
- 前記第1の画分を取り出した後、高分子MDIが前記第3の画分から分離される、請求項6に記載の方法。
- 前記第1の画分からの前記分離が、第2の混合物の全重量に対し、少なくとも95重量%の2,4’−MDIと2,2’−MDIとを含む、少なくとも99重量%のMDI異性体を含有するMDI異性体の前記第2の混合物を加えることを含む、請求項1〜8のいずれか一項に記載の方法。
- 前記混合物からの分離が、蒸留塔及び副精留塔を用いることを含む、請求項1〜8のいずれか一項に記載の方法。
- 前記混合物からの分離が、一体化された副精留部を有する蒸留塔を用いることを含む、請求項1〜8のいずれか一項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161565315P | 2011-11-30 | 2011-11-30 | |
US61/565,315 | 2011-11-30 | ||
PCT/US2012/065779 WO2013081873A1 (en) | 2011-11-30 | 2012-11-19 | Process for the production of methylene diphenyl diisocyanate isomer mixtures with high 2,4'- methylene diphenyl diisocyanate purity |
Publications (2)
Publication Number | Publication Date |
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JP2015500234A true JP2015500234A (ja) | 2015-01-05 |
JP6087946B2 JP6087946B2 (ja) | 2017-03-01 |
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JP2014544773A Expired - Fee Related JP6087946B2 (ja) | 2011-11-30 | 2012-11-19 | 高い2,4’−メチレンジフェニルジイソシアネート純度を有するメチレンジフェニルジイソシアネート異性体混合物の製造方法 |
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US (1) | US9080005B2 (ja) |
EP (1) | EP2785685B1 (ja) |
JP (1) | JP6087946B2 (ja) |
KR (1) | KR102008545B1 (ja) |
CN (1) | CN104039757B (ja) |
BR (1) | BR112014008703B1 (ja) |
HU (1) | HUE037380T2 (ja) |
WO (1) | WO2013081873A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018533475A (ja) * | 2015-11-02 | 2018-11-15 | コベストロ、ドイチュラント、アクチエンゲゼルシャフトCovestro Deutschland Ag | イソシアネートを精製するための蒸留塔およびその使用 |
JP2022519285A (ja) * | 2019-02-07 | 2022-03-22 | ダウ グローバル テクノロジーズ エルエルシー | フェニルイソシアネートの変換プロセス |
Families Citing this family (5)
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HUE054919T2 (hu) * | 2017-03-06 | 2021-10-28 | Dow Global Technologies Llc | Eljárás izocianátok elõállítására |
CN109535383B (zh) * | 2017-09-21 | 2022-07-15 | 科思创德国股份有限公司 | 一种二异氰酸酯组合物及其应用 |
HUE057045T2 (hu) | 2018-01-05 | 2022-04-28 | Covestro Intellectual Property Gmbh & Co Kg | Eljárás metilén-difenilén-diizocianátok és polimetilén-polifenilén-poliizocianátok elõállítására |
CN109180531B (zh) * | 2018-07-25 | 2021-09-07 | 万华化学集团股份有限公司 | 一种获取保质期延长的mdi-50的方法 |
CN115806508B (zh) * | 2022-12-20 | 2024-10-18 | 万华化学(宁波)有限公司 | 低2,2’-mdi含量的二苯基甲烷二异氰酸酯及其制备方法 |
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- 2012-11-19 BR BR112014008703-2A patent/BR112014008703B1/pt not_active IP Right Cessation
- 2012-11-19 US US14/347,764 patent/US9080005B2/en not_active Expired - Fee Related
- 2012-11-19 EP EP12795250.5A patent/EP2785685B1/en not_active Not-in-force
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- 2012-11-19 WO PCT/US2012/065779 patent/WO2013081873A1/en active Application Filing
- 2012-11-19 KR KR1020147014184A patent/KR102008545B1/ko active IP Right Grant
- 2012-11-19 HU HUE12795250A patent/HUE037380T2/hu unknown
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JP2018533475A (ja) * | 2015-11-02 | 2018-11-15 | コベストロ、ドイチュラント、アクチエンゲゼルシャフトCovestro Deutschland Ag | イソシアネートを精製するための蒸留塔およびその使用 |
JP7013372B2 (ja) | 2015-11-02 | 2022-01-31 | コベストロ、ドイチュラント、アクチエンゲゼルシャフト | イソシアネートを精製するための蒸留塔およびその使用 |
JP2022519285A (ja) * | 2019-02-07 | 2022-03-22 | ダウ グローバル テクノロジーズ エルエルシー | フェニルイソシアネートの変換プロセス |
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Publication number | Publication date |
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CN104039757A (zh) | 2014-09-10 |
HUE037380T2 (hu) | 2018-09-28 |
JP6087946B2 (ja) | 2017-03-01 |
WO2013081873A1 (en) | 2013-06-06 |
KR20140097224A (ko) | 2014-08-06 |
EP2785685B1 (en) | 2017-09-27 |
BR112014008703A2 (pt) | 2017-04-25 |
KR102008545B1 (ko) | 2019-08-07 |
US9080005B2 (en) | 2015-07-14 |
BR112014008703B1 (pt) | 2020-11-10 |
CN104039757B (zh) | 2019-01-04 |
EP2785685A1 (en) | 2014-10-08 |
US20140264163A1 (en) | 2014-09-18 |
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