JPS57159752A - Manufacture of polyisocyanate - Google Patents
Manufacture of polyisocyanateInfo
- Publication number
- JPS57159752A JPS57159752A JP57035992A JP3599282A JPS57159752A JP S57159752 A JPS57159752 A JP S57159752A JP 57035992 A JP57035992 A JP 57035992A JP 3599282 A JP3599282 A JP 3599282A JP S57159752 A JPS57159752 A JP S57159752A
- Authority
- JP
- Japan
- Prior art keywords
- splitting
- alcohol
- isocyanate
- chlorides
- polyisocyanate
- 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 |
---|---|---|---|
DE19813108990 DE3108990A1 (de) | 1981-03-10 | 1981-03-10 | Verfahren zur herstellung von polyisocyanaten |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57159752A true JPS57159752A (en) | 1982-10-01 |
JPH0229073B2 JPH0229073B2 (ja) | 1990-06-27 |
Family
ID=6126784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57035992A Granted JPS57159752A (en) | 1981-03-10 | 1982-03-09 | Manufacture of polyisocyanate |
Country Status (7)
Country | Link |
---|---|
US (1) | US4388246A (ja) |
EP (1) | EP0061013B1 (ja) |
JP (1) | JPS57159752A (ja) |
BR (1) | BR8201250A (ja) |
CA (1) | CA1178968A (ja) |
DE (2) | DE3108990A1 (ja) |
ES (1) | ES510255A0 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59205353A (ja) * | 1983-04-23 | 1984-11-20 | バスフ アクチエン ゲゼルシヤフト | 3−イソシアネ−トメチル−3,5,5−トリメチル−シクロヘキシルイソシアネ−トの多工程式製法 |
JPS59205352A (ja) * | 1983-04-23 | 1984-11-20 | バスフ アクチエンゲゼルシヤフト | ヘキサメチレン−ジイソシアネ−ト−1,6及び/又はアルキレン基中に6個の炭素原子を有する異性体の脂肪族ジイソシアネ−トの多工程式製法 |
JPS63162662A (ja) * | 1986-12-26 | 1988-07-06 | Daicel Chem Ind Ltd | イソホロンジイソシアネ−トの製造方法 |
WO2008084824A1 (ja) * | 2007-01-11 | 2008-07-17 | Asahi Kasei Chemicals Corporation | イソシアネートの製造方法 |
WO2008120645A1 (ja) * | 2007-03-30 | 2008-10-09 | Asahi Kasei Chemicals Corporation | カルバミン酸エステルおよび芳香族ヒドロキシ化合物を含む組成物を用いるイソシアネートの製造方法、ならびにカルバミン酸エステル移送用および貯蔵用組成物 |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3362121D1 (en) * | 1982-07-24 | 1986-03-27 | Basf Ag | Process for the preparation of hexamethylene diisocyanate-1,6 and/or of the isomeric diisocyanates with 6 carbon atoms in the alkyl group |
DE3325185A1 (de) * | 1983-07-13 | 1985-01-24 | Basf Ag, 6700 Ludwigshafen | In 3-stellung heterocyclische oder 3-dialkylamino-2,2-dialkyl-propylisocyanate und verfahren zur herstellung von in 3-stellung heterocyclischen oder 3-dialkylamino-2,2-dialkylpropylisocyanaten |
US4587056A (en) * | 1984-04-26 | 1986-05-06 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for producing an aliphatic isocyanate |
US4572804A (en) * | 1984-12-17 | 1986-02-25 | The Dow Chemical Company | Preparation of unsaturated isocyanates |
DE3828033A1 (de) * | 1988-08-18 | 1990-03-08 | Huels Chemische Werke Ag | Kreislaufverfahren zur herstellung von (cyclo)aliphatischen diisocyanaten |
DE3915183A1 (de) * | 1989-05-10 | 1990-11-15 | Bayer Ag | Verfahren zur herstellung von polyisocyanaten |
DE3915181A1 (de) * | 1989-05-10 | 1990-11-15 | Bayer Ag | Verfahren zur herstellung von polyisocyanaten |
DE4141402A1 (de) * | 1991-12-16 | 1993-06-17 | Bayer Ag | Verfahren zur herstellung von hochreinen aromatischen di- und/oder polyurethanen |
DE4342426A1 (de) * | 1993-12-13 | 1995-06-14 | Bayer Ag | Verfahren zur Herstellung von Diurethanen und ihre Verwendung zur Herstellung von Diisocyanaten |
JP3083039B2 (ja) * | 1994-03-18 | 2000-09-04 | 三菱瓦斯化学株式会社 | イソシアネート類の製造方法 |
EP0680994A1 (en) * | 1994-05-02 | 1995-11-08 | Nippon Paint Co., Ltd. | Re-Crosslinkable composition and method for recycling using the same |
DE59705128D1 (de) * | 1996-03-15 | 2001-12-06 | Bayer Ag | Verfahren zur thermischen Spaltung von 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 |
KR101002385B1 (ko) * | 2006-11-17 | 2010-12-20 | 아사히 가세이 케미칼즈 가부시키가이샤 | 이소시아네이트의 제조 방법 |
CN101868445B (zh) | 2007-11-19 | 2014-06-18 | 旭化成化学株式会社 | 异氰酸酯和芳香族羟基化合物的制造方法 |
CA2721359C (en) | 2008-05-15 | 2014-05-06 | Asahi Kasei Chemicals Corporation | Isocyanate production process |
KR101363232B1 (ko) | 2008-05-15 | 2014-02-12 | 아사히 가세이 케미칼즈 가부시키가이샤 | 탄산디아릴을 이용하는 이소시아네이트의 제조 방법 |
DE102008002002A1 (de) | 2008-05-27 | 2009-12-03 | Evonik Degussa Gmbh | Chlor armes mehrstufiges Verfahren zur Herstellung von cycloaliphatischen Diisocyanaten |
CN101962348A (zh) * | 2009-07-23 | 2011-02-02 | 中国科学院兰州化学物理研究所 | 一种液相热裂解制备异氰酸酯的方法 |
ES2623463T3 (es) | 2009-08-21 | 2017-07-11 | Asahi Kasei Kabushiki Kaisha | Procedimiento para producir un éster del ácido carbámico N sustituido, procedimiento para producir isocianato utilizando éster del ácido carbámico N sustituido y composición para transferir y almacenar éster del ácido carbámico N sustituido que contiene un éster del ácido carbámico N sustituido y compuesto hidroxilado aromático |
CN103097348B (zh) | 2011-02-21 | 2015-10-14 | 旭化成化学株式会社 | 羰基化合物的制造方法 |
KR101348229B1 (ko) | 2011-12-14 | 2014-01-08 | 경희대학교 산학협력단 | 지방족 디이소시아네이트의 제조방법 |
JP6731929B2 (ja) | 2015-01-30 | 2020-07-29 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 副生成物含有量の少ないポリフェニレンポリメチレンポリイソシアネート |
Family Cites Families (10)
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 |
US2437867A (en) * | 1946-06-01 | 1948-03-16 | Du Pont | Organic isocyanates |
US2692275A (en) * | 1953-01-23 | 1954-10-19 | Rohm & Haas | Preparation of 1, 8-diisocyanato-p-menthane |
GB763635A (ja) * | 1953-04-10 | |||
US3734941A (en) * | 1968-09-06 | 1973-05-22 | American Cyanamid Co | Process for converting urethanes to isocyanates |
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 |
DE2625075A1 (de) * | 1976-06-04 | 1977-12-22 | Basf Ag | Verfahren zur herstellung von carbamidsaeurechloriden und isocyanaten |
-
1981
- 1981-03-10 DE DE19813108990 patent/DE3108990A1/de not_active Withdrawn
-
1982
- 1982-02-17 CA CA000396458A patent/CA1178968A/en not_active Expired
- 1982-02-26 DE DE8282101461T patent/DE3260284D1/de not_active Expired
- 1982-02-26 EP EP82101461A patent/EP0061013B1/de not_active Expired
- 1982-03-04 US US06/354,687 patent/US4388246A/en not_active Expired - Lifetime
- 1982-03-09 JP JP57035992A patent/JPS57159752A/ja active Granted
- 1982-03-09 ES ES510255A patent/ES510255A0/es active Granted
- 1982-03-09 BR BR8201250A patent/BR8201250A/pt not_active IP Right Cessation
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59205352A (ja) * | 1983-04-23 | 1984-11-20 | バスフ アクチエンゲゼルシヤフト | ヘキサメチレン−ジイソシアネ−ト−1,6及び/又はアルキレン基中に6個の炭素原子を有する異性体の脂肪族ジイソシアネ−トの多工程式製法 |
JPH0573737B2 (ja) * | 1983-04-23 | 1993-10-15 | Basf Ag | |
JPH0574584B2 (ja) * | 1983-04-23 | 1993-10-18 | Basf Ag | |
JPS59205353A (ja) * | 1983-04-23 | 1984-11-20 | バスフ アクチエン ゲゼルシヤフト | 3−イソシアネ−トメチル−3,5,5−トリメチル−シクロヘキシルイソシアネ−トの多工程式製法 |
JPS63162662A (ja) * | 1986-12-26 | 1988-07-06 | Daicel Chem Ind Ltd | イソホロンジイソシアネ−トの製造方法 |
JP2012233014A (ja) * | 2007-01-11 | 2012-11-29 | Asahi Kasei Chemicals Corp | イソシアネートの製造方法 |
WO2008084824A1 (ja) * | 2007-01-11 | 2008-07-17 | Asahi Kasei Chemicals Corporation | イソシアネートの製造方法 |
JPWO2008084824A1 (ja) * | 2007-01-11 | 2010-05-06 | 旭化成ケミカルズ株式会社 | イソシアネートの製造方法 |
US8362293B2 (en) | 2007-01-11 | 2013-01-29 | Asahi Kasei Chemicals Corporation | Process for producing isocyanates |
JP5116109B2 (ja) * | 2007-01-11 | 2013-01-09 | 旭化成ケミカルズ株式会社 | イソシアネートの製造方法 |
WO2008120645A1 (ja) * | 2007-03-30 | 2008-10-09 | Asahi Kasei Chemicals Corporation | カルバミン酸エステルおよび芳香族ヒドロキシ化合物を含む組成物を用いるイソシアネートの製造方法、ならびにカルバミン酸エステル移送用および貯蔵用組成物 |
JP2012097123A (ja) * | 2007-03-30 | 2012-05-24 | Asahi Kasei Chemicals Corp | カルバミン酸エステルおよび芳香族ヒドロキシ化合物を含む組成物を用いるイソシアネートの製造方法、ならびにカルバミン酸エステル移送用および貯蔵用組成物 |
JPWO2008120645A1 (ja) * | 2007-03-30 | 2010-07-15 | 旭化成ケミカルズ株式会社 | カルバミン酸エステルおよび芳香族ヒドロキシ化合物を含む組成物を用いるイソシアネートの製造方法、ならびにカルバミン酸エステル移送用および貯蔵用組成物 |
US9056819B2 (en) | 2007-03-30 | 2015-06-16 | Asahi Kasei Chemicals Corporation | Isocyanate production process using composition containing carbamic acid ester and aromatic hydroxy compound, and composition for transfer and storage of carbamic acid ester |
US9637445B2 (en) | 2007-03-30 | 2017-05-02 | Asahi Kasei Chemicals Corporation | Isocyanate production process using composition containing carbamic acid ester and aromatic hydroxy compound, and composition for transfer and storage of carbamic acid ester |
Also Published As
Publication number | Publication date |
---|---|
CA1178968A (en) | 1984-12-04 |
ES8301900A1 (es) | 1983-01-16 |
BR8201250A (pt) | 1983-01-18 |
EP0061013A1 (de) | 1982-09-29 |
DE3108990A1 (de) | 1982-09-23 |
US4388246A (en) | 1983-06-14 |
EP0061013B1 (de) | 1984-06-27 |
DE3260284D1 (en) | 1984-08-02 |
ES510255A0 (es) | 1983-01-16 |
JPH0229073B2 (ja) | 1990-06-27 |
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