ES521887A0 - Procedimiento continuo para la disociacion de esteres de acido carbamico. - Google Patents
Procedimiento continuo para la disociacion de esteres de acido carbamico.Info
- Publication number
- ES521887A0 ES521887A0 ES521887A ES521887A ES521887A0 ES 521887 A0 ES521887 A0 ES 521887A0 ES 521887 A ES521887 A ES 521887A ES 521887 A ES521887 A ES 521887A ES 521887 A0 ES521887 A0 ES 521887A0
- Authority
- ES
- Spain
- Prior art keywords
- dissociation
- acid esters
- carbamic acid
- continuous procedure
- procedure
- 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.)
- Granted
Links
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
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 |
---|---|---|---|
DE19823215591 DE3215591A1 (de) | 1982-04-27 | 1982-04-27 | Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8402260A1 ES8402260A1 (es) | 1984-01-16 |
ES521887A0 true ES521887A0 (es) | 1984-01-16 |
Family
ID=6162030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES521887A Granted ES521887A0 (es) | 1982-04-27 | 1983-04-27 | Procedimiento continuo para la disociacion de esteres de acido carbamico. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4692550A (es) |
EP (1) | EP0092738B1 (es) |
JP (1) | JPS58194849A (es) |
BR (1) | BR8302136A (es) |
CA (1) | CA1216588A (es) |
DE (2) | DE3215591A1 (es) |
ES (1) | ES521887A0 (es) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1183332B (it) * | 1985-02-08 | 1987-10-22 | Enichem Sintesi | Procedimento per la produzione di n-metilcarbammati |
US4873365A (en) * | 1986-04-04 | 1989-10-10 | American Cyanamid Company | Process for the preparation of isophorone diisocyanate from isophorone dicarbamyl esters using highly selective SnO2 or CuO catalysts |
EP0271679A3 (en) * | 1986-11-03 | 1988-11-23 | American Cyanamid Company | Isocyanates derived from dienes and process and their preparation |
JP2538222B2 (ja) * | 1986-12-26 | 1996-09-25 | ダイセル化学工業株式会社 | イソホロンジイソシアネ−トの製造方法 |
DE3915181A1 (de) * | 1989-05-10 | 1990-11-15 | Bayer Ag | Verfahren zur herstellung von polyisocyanaten |
IT1244476B (it) * | 1990-12-21 | 1994-07-15 | Enichem Sintesi | Procedimento continuo per la preparazione di isociamati |
DE4124671A1 (de) * | 1991-07-25 | 1993-01-28 | Basf Ag | Reaktor und verfahren zur thermischen spaltung von carbamidsaeureestern |
DE4141402A1 (de) * | 1991-12-16 | 1993-06-17 | Bayer Ag | Verfahren zur herstellung von hochreinen aromatischen di- und/oder polyurethanen |
DE4213099A1 (de) * | 1992-04-21 | 1993-10-28 | Basf Ag | Mehrstufiges Verfahren zur kontinuierlichen Herstellung von organischen Polyisocyanaten |
DE4231417A1 (de) * | 1992-05-05 | 1993-11-11 | Huels Chemische Werke Ag | Kontinuierliches mehrstufiges Verfahren zur Herstellung von (cyclo)aliphatischen Diisocyanaten |
US5491256A (en) * | 1992-11-16 | 1996-02-13 | Texaco Inc. | Composition of matter for aliphatic-aromatic ureas, biurets, and allophanates as nitric oxide reducing agents in diesel emissions |
DK169700B1 (da) * | 1993-02-12 | 1995-01-16 | Topsoe Haldor As | Fremgangsmåde til fremstilling af organiske isocyanater |
DE4342426A1 (de) * | 1993-12-13 | 1995-06-14 | Bayer Ag | Verfahren zur Herstellung von Diurethanen und ihre Verwendung zur Herstellung von Diisocyanaten |
EP0795543B1 (de) * | 1996-03-15 | 2001-10-31 | Bayer Ag | Verwendung von hochsiedenden Lösemitteln bzw. -gemischen als Wärmetauschmedium für die thermische Spaltung von Carbamidsäureestern |
US6160143A (en) * | 2000-02-18 | 2000-12-12 | Artisan Industries Inc. | Method for the concentration and separation of sterols |
CA2397683A1 (en) * | 2000-02-29 | 2001-09-07 | Huntsman International Llc | Process for the preparation of organic polyisocyanates |
DE10209095A1 (de) | 2002-03-01 | 2003-09-11 | Basf Ag | Verfahren zur Herstellung von Isocyanaten |
DE10215778A1 (de) | 2002-04-10 | 2003-12-18 | Basf Ag | Reaktor zur thermischen Spaltung von mono- und polyfunktionellen Carbamidsäureestern |
DE10338509A1 (de) * | 2003-08-22 | 2005-03-17 | Degussa Ag | Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten |
DE10338508A1 (de) | 2003-08-22 | 2005-03-17 | Degussa Ag | Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten |
DE10338511A1 (de) * | 2003-08-22 | 2005-03-17 | Degussa Ag | Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten |
DE102004022626A1 (de) | 2004-05-07 | 2005-12-15 | Degussa Ag | Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten |
DE102004026451A1 (de) * | 2004-05-29 | 2005-12-15 | Degussa Ag | Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten |
DE102004036499A1 (de) * | 2004-07-28 | 2006-03-23 | Degussa Ag | Mehrstufiges Verfahren zur kontinuierlichen Herstellung von cycloaliphatischen Diisocyanaten |
ATE495149T1 (de) * | 2006-11-17 | 2011-01-15 | Asahi Kasei Chemicals Corp | Verfahren zur herstellung von isocyanaten |
DE102006057118A1 (de) * | 2006-12-04 | 2008-06-05 | Wacker Chemie Ag | Verfahren zur Herstellung von Isocyanatoorganosilanen |
TW200844080A (en) | 2007-01-11 | 2008-11-16 | Asahi Kasei Chemicals Corp | Process for producing isocyanate |
CN101652344B (zh) | 2007-03-30 | 2014-06-04 | 旭化成化学株式会社 | 使用含有氨基甲酸酯和芳香族羟基化合物的组合物制造异氰酸酯的方法、以及氨基甲酸酯输送用和储藏用组合物 |
US7977504B2 (en) | 2007-11-19 | 2011-07-12 | Asahi Kasei Chemicals Corporation | Process for producing isocyanates and aromatic hydroxy compounds |
US9233918B2 (en) * | 2008-05-15 | 2016-01-12 | Asahi Kasei Chemicals Corporation | Isocyanate production process |
US8895774B2 (en) * | 2008-05-15 | 2014-11-25 | Asahi Kasei Chemicals Corporation | Process for producing isocyanates using diaryl carbonate |
CN102105439B (zh) | 2009-08-21 | 2016-04-20 | 旭化成化学株式会社 | N-取代氨基甲酸酯的制造方法和使用该n-取代氨基甲酸酯的异氰酸酯的制造方法 |
DE102009045849B4 (de) * | 2009-10-20 | 2018-03-08 | Technische Universität Bergakademie Freiberg | Verfahren zur Herstellung von Oligo- und Polysiloxanen |
CN102712579B (zh) * | 2009-12-01 | 2014-07-09 | 巴斯夫欧洲公司 | 通过热裂解氨基甲酸酯制备异氰酸酯的方法 |
JP5746205B2 (ja) | 2009-12-04 | 2015-07-08 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | イソシアネートの製造方法 |
EP2526085B1 (de) * | 2010-01-19 | 2015-08-12 | Basf Se | Verfahren zur herstellung von isocyanaten durch thermische spaltung von carbamaten |
US8680323B2 (en) | 2010-01-19 | 2014-03-25 | Basf Se | Process for preparing isocyanates by thermal dissociation of carbamates |
KR20130089233A (ko) | 2010-06-22 | 2013-08-09 | 바스프 에스이 | 고체 루이스 산 위의 이소시아네이트의 합성을 위한 불균일하게 촉매화된 카바메이트 해리 |
SG188183A1 (en) | 2010-10-04 | 2013-04-30 | Asahi Kasei Chemicals Corp | Separation method and method for producing isocyanate |
KR101507251B1 (ko) | 2011-02-21 | 2015-03-30 | 아사히 가세이 케미칼즈 가부시키가이샤 | 카르보닐 화합물의 제조 방법 |
WO2016156188A1 (de) | 2015-03-31 | 2016-10-06 | Basf Se | Verfahren zur herstellung von isocyanaten durch carbamatspaltung |
CN109503648B (zh) * | 2017-09-15 | 2024-05-28 | 张家港市国泰华荣化工新材料有限公司 | 制备3-异氰酸酯基丙基三甲氧基硅烷的装置 |
JP2019199430A (ja) * | 2018-05-15 | 2019-11-21 | 旭化成株式会社 | イソシアネートの製造方法 |
JP2019199427A (ja) * | 2018-05-15 | 2019-11-21 | 旭化成株式会社 | イソシアネートの製造方法 |
JP2019199428A (ja) * | 2018-05-15 | 2019-11-21 | 旭化成株式会社 | イソシアネートの製造方法 |
JP2019199429A (ja) * | 2018-05-15 | 2019-11-21 | 旭化成株式会社 | イソシアネートの製造方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2713591A (en) * | 1955-07-19 | boc boctanaib | ||
US2409712A (en) * | 1944-02-03 | 1946-10-22 | Du Pont | Chemical process and products |
US2692275A (en) * | 1953-01-23 | 1954-10-19 | Rohm & Haas | Preparation of 1, 8-diisocyanato-p-menthane |
GB763635A (es) * | 1953-04-10 | |||
US3734941A (en) * | 1968-09-06 | 1973-05-22 | American Cyanamid Co | Process for converting urethanes to isocyanates |
US3870739A (en) * | 1973-03-05 | 1975-03-11 | Air Prod & Chem | Isocyanates from urethanes |
US3962302A (en) * | 1974-03-08 | 1976-06-08 | Atlantic Richfield Company | Production of isocyanates from esters of carbamic acids (urethanes) |
US3919278A (en) * | 1974-06-13 | 1975-11-11 | Atlantic Richfield Co | Production of isocyanates from lower alkyl esters of mononuclear aromatic carbamic acids |
US3919279A (en) * | 1974-06-26 | 1975-11-11 | Atlantic Richfield Co | Catalytic production of isocyanates from esters of carbamic acids |
US3919280A (en) * | 1974-07-05 | 1975-11-11 | Atlantic Richfield Co | Recovery of solvents employed in the production of isocyanates from esters of carbamic acids |
JPS5219624A (en) * | 1975-08-07 | 1977-02-15 | Mitsui Toatsu Chem Inc | Process for preparation of isocyanates |
JPS5439002A (en) * | 1977-08-30 | 1979-03-24 | Mitsubishi Chem Ind Ltd | Preparation of isocyanates |
JPS5488222A (en) * | 1977-12-20 | 1979-07-13 | Mitsubishi Chem Ind Ltd | Preparation of isocyanate from carbamate |
JPS6052693B2 (ja) * | 1977-12-22 | 1985-11-20 | 三菱化学株式会社 | カルバミン酸エステルからのイソシアネ−トの製造法 |
US4294774A (en) * | 1980-11-14 | 1981-10-13 | The Dow Chemical Company | Preparation of organic isocyanates |
DE3047898A1 (de) * | 1980-12-19 | 1982-07-15 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern und die verwendung von hierbei anfallenden isocyanate und carbamidsaeureester aufweisenden gemischen zur herstellung von isocyanaten |
-
1982
- 1982-04-27 DE DE19823215591 patent/DE3215591A1/de not_active Withdrawn
-
1983
- 1983-04-08 CA CA000425476A patent/CA1216588A/en not_active Expired
- 1983-04-14 EP EP83103587A patent/EP0092738B1/de not_active Expired
- 1983-04-14 DE DE8383103587T patent/DE3360430D1/de not_active Expired
- 1983-04-15 US US06/485,347 patent/US4692550A/en not_active Expired - Fee Related
- 1983-04-25 JP JP58071569A patent/JPS58194849A/ja active Granted
- 1983-04-26 BR BR8302136A patent/BR8302136A/pt not_active IP Right Cessation
- 1983-04-27 ES ES521887A patent/ES521887A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3215591A1 (de) | 1983-10-27 |
US4692550A (en) | 1987-09-08 |
ES8402260A1 (es) | 1984-01-16 |
EP0092738A1 (de) | 1983-11-02 |
JPS58194849A (ja) | 1983-11-12 |
BR8302136A (pt) | 1983-12-27 |
EP0092738B1 (de) | 1985-07-24 |
JPH0211581B2 (es) | 1990-03-14 |
CA1216588A (en) | 1987-01-13 |
DE3360430D1 (en) | 1985-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20010402 |