HUE028076T2 - Process for the preparation of isocyanates by thermal cleavage of carbamates - Google Patents
Process for the preparation of isocyanates by thermal cleavage of carbamates Download PDFInfo
- Publication number
- HUE028076T2 HUE028076T2 HUE11700347A HUE11700347A HUE028076T2 HU E028076 T2 HUE028076 T2 HU E028076T2 HU E11700347 A HUE11700347 A HU E11700347A HU E11700347 A HUE11700347 A HU E11700347A HU E028076 T2 HUE028076 T2 HU E028076T2
- Authority
- HU
- Hungary
- Prior art keywords
- column
- carbamate
- stream
- alcohol
- inert solvent
- Prior art date
Links
- 239000012948 isocyanate Substances 0.000 title claims description 23
- 150000002513 isocyanates Chemical class 0.000 title claims description 22
- 150000004657 carbamic acid derivatives Chemical class 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 26
- 238000009835 boiling Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- 239000012442 inert solvent Substances 0.000 claims description 15
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 238000005878 carbamate elimination reaction Methods 0.000 claims 3
- 238000003776 cleavage reaction Methods 0.000 claims 3
- 230000007017 scission Effects 0.000 claims 3
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims 1
- YTTFFPATQICAQN-UHFFFAOYSA-N 2-methoxypropan-1-ol Chemical compound COC(C)CO YTTFFPATQICAQN-UHFFFAOYSA-N 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 235000005911 diet Nutrition 0.000 claims 1
- 230000037213 diet Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 238000011534 incubation Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000011514 reflex Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 230000003442 weekly effect Effects 0.000 claims 1
- 238000010494 dissociation reaction Methods 0.000 description 44
- 230000005593 dissociations Effects 0.000 description 44
- 239000002904 solvent Substances 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000000047 product Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 8
- 239000000543 intermediate Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 5
- 150000003673 urethanes Chemical class 0.000 description 5
- -1 aliphatic isocyanates Chemical class 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 4
- PBKONEOXTCPAFI-UHFFFAOYSA-N 1,2,4-trichlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1 PBKONEOXTCPAFI-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 235000010290 biphenyl Nutrition 0.000 description 3
- 239000004305 biphenyl Substances 0.000 description 3
- 150000004985 diamines Chemical class 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000011552 falling film Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- MHDVGSVTJDSBDK-UHFFFAOYSA-N dibenzyl ether Chemical compound C=1C=CC=CC=1COCC1=CC=CC=C1 MHDVGSVTJDSBDK-UHFFFAOYSA-N 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- UHJWZORSTYATLW-UHFFFAOYSA-N o-biphenylyl phenyl ether Natural products C=1C=CC=C(C=2C=CC=CC=2)C=1OC1=CC=CC=C1 UHJWZORSTYATLW-UHFFFAOYSA-N 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- 125000005628 tolylene group Chemical group 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- MHCVCKDNQYMGEX-UHFFFAOYSA-N 1,1'-biphenyl;phenoxybenzene Chemical group C1=CC=CC=C1C1=CC=CC=C1.C=1C=CC=CC=1OC1=CC=CC=C1 MHCVCKDNQYMGEX-UHFFFAOYSA-N 0.000 description 1
- OKIRBHVFJGXOIS-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene Chemical class CC(C)C1=CC=CC=C1C(C)C OKIRBHVFJGXOIS-UHFFFAOYSA-N 0.000 description 1
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- PJISLFCKHOHLLP-UHFFFAOYSA-N 2-diethoxyphosphorylsulfanyl-n,n-diethylethanamine Chemical compound CCOP(=O)(OCC)SCCN(CC)CC PJISLFCKHOHLLP-UHFFFAOYSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 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 description 1
- 206010011416 Croup infectious Diseases 0.000 description 1
- 241000950314 Figura Species 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229940076134 benzene Drugs 0.000 description 1
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 201000010549 croup Diseases 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 150000005195 diethylbenzenes Chemical class 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000002638 heterogeneous catalyst Substances 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/04—Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10151089 | 2010-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HUE028076T2 true HUE028076T2 (en) | 2016-11-28 |
Family
ID=43769079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HUE11700347A HUE028076T2 (en) | 2010-01-19 | 2011-01-18 | Process for the preparation of isocyanates by thermal cleavage of carbamates |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP2526085B1 (enExample) |
| JP (1) | JP5823982B2 (enExample) |
| KR (1) | KR20120120945A (enExample) |
| CN (1) | CN102712580B (enExample) |
| BR (1) | BR112012017877A2 (enExample) |
| ES (1) | ES2552837T3 (enExample) |
| HU (1) | HUE028076T2 (enExample) |
| PL (1) | PL2526085T3 (enExample) |
| PT (1) | PT2526085E (enExample) |
| WO (1) | WO2011089098A1 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101489100B1 (ko) * | 2010-10-04 | 2015-02-02 | 아사히 가세이 케미칼즈 가부시키가이샤 | 분리 방법 및 이소시아네이트의 제조 방법 |
| US8933262B2 (en) | 2011-05-24 | 2015-01-13 | Basf Se | Process for preparing polyisocyanates from biomass |
| CN103848758A (zh) * | 2012-12-06 | 2014-06-11 | 中国科学院成都有机化学有限公司 | 一种催化热分解制备异氰酸酯的方法 |
| EP4424252B1 (en) | 2014-05-09 | 2026-03-11 | Solventum Intellectual Properties Company | System having tissue contact layer for use with negative pressure |
| US10898217B2 (en) | 2014-05-09 | 2021-01-26 | Kci Licensing, Inc. | Dressing providing apertures with multiple orifice sizes for negative-pressure therapy |
| US10143485B2 (en) | 2014-05-09 | 2018-12-04 | Kci Licensing, Inc. | Debriding dressing for use with negative pressure and fluid instillation |
| WO2015172108A1 (en) | 2014-05-09 | 2015-11-12 | Kci Licensing, Inc. | Dressing with contracting layer for linear tissue sites |
| EP3250622B1 (de) * | 2015-01-30 | 2018-11-07 | Basf Se | Nebenproduktarme polyphenylenpolymethylenpolyisocyanate |
| EP3626705B1 (en) * | 2017-05-15 | 2021-03-24 | Asahi Kasei Kabushiki Kaisha | Isocyanate production method |
| EP3450424A1 (de) * | 2017-09-04 | 2019-03-06 | Covestro Deutschland AG | Verfahren zur herstellung von isocyanaten |
| CN113507908A (zh) | 2018-11-08 | 2021-10-15 | 3M创新知识产权公司 | 使用穿孔敷料和负压伤口治疗以增加破坏的具有半刚性支撑件的伤口敷料 |
| WO2021111412A1 (en) | 2019-12-05 | 2021-06-10 | Kci Licensing, Inc. | Multi-layer negative pressure incisional wound therapy dressing |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3215591A1 (de) | 1982-04-27 | 1983-10-27 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern |
| JPS60231640A (ja) * | 1984-05-02 | 1985-11-18 | Asahi Chem Ind Co Ltd | イソシアナ−トの連続的製法 |
| JPH02250857A (ja) * | 1989-03-23 | 1990-10-08 | Sumitomo Metal Ind Ltd | ポリイソシアネートの製造方法 |
| US5326903A (en) | 1992-01-10 | 1994-07-05 | Nippon Shokubai Co., Ltd. | Process for preparing isocyanates using sintered oxides |
| JPH05194351A (ja) * | 1992-01-22 | 1993-08-03 | Nkk Corp | イソシアネート化合物の連続的製造装置及び方法 |
| DE59705128D1 (de) * | 1996-03-15 | 2001-12-06 | Bayer Ag | Verfahren zur thermischen Spaltung von Carbamidsäureestern |
| DE19907648A1 (de) | 1999-02-23 | 2000-08-24 | Basf Ag | Verfahren zur Herstellung von Isocyanaten durch Spaltung von Urethanen |
| DE10329491A1 (de) | 2003-07-01 | 2005-01-27 | Basf Ag | Reaktor für gas/flüssig oder gas/flüssig/fest Reaktionen |
| CN101200436A (zh) * | 2006-12-31 | 2008-06-18 | 中国科学院成都有机化学有限公司 | 连续制备1,6-六亚甲基二异氰酸酯的方法 |
| KR20100138911A (ko) | 2008-03-18 | 2010-12-31 | 바스프 에스이 | 일작용성 및 이작용성 방향족 아민을 포함하는 우레탄의 제조 방법 |
-
2011
- 2011-01-18 WO PCT/EP2011/050557 patent/WO2011089098A1/de not_active Ceased
- 2011-01-18 EP EP11700347.5A patent/EP2526085B1/de not_active Not-in-force
- 2011-01-18 PT PT117003475T patent/PT2526085E/pt unknown
- 2011-01-18 BR BR112012017877A patent/BR112012017877A2/pt not_active IP Right Cessation
- 2011-01-18 ES ES11700347.5T patent/ES2552837T3/es active Active
- 2011-01-18 HU HUE11700347A patent/HUE028076T2/en unknown
- 2011-01-18 CN CN201180006310.9A patent/CN102712580B/zh not_active Expired - Fee Related
- 2011-01-18 KR KR1020127021646A patent/KR20120120945A/ko not_active Withdrawn
- 2011-01-18 JP JP2012549324A patent/JP5823982B2/ja not_active Expired - Fee Related
- 2011-01-18 PL PL11700347T patent/PL2526085T3/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR112012017877A2 (pt) | 2016-05-03 |
| CN102712580B (zh) | 2014-11-26 |
| JP5823982B2 (ja) | 2015-11-25 |
| PT2526085E (pt) | 2015-11-24 |
| PL2526085T3 (pl) | 2016-01-29 |
| KR20120120945A (ko) | 2012-11-02 |
| ES2552837T3 (es) | 2015-12-02 |
| JP2013517312A (ja) | 2013-05-16 |
| EP2526085A1 (de) | 2012-11-28 |
| EP2526085B1 (de) | 2015-08-12 |
| CN102712580A (zh) | 2012-10-03 |
| WO2011089098A1 (de) | 2011-07-28 |
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