JP5398546B2 - ジフェニルメタンジアミンの製造方法 - Google Patents
ジフェニルメタンジアミンの製造方法 Download PDFInfo
- Publication number
- JP5398546B2 JP5398546B2 JP2009544402A JP2009544402A JP5398546B2 JP 5398546 B2 JP5398546 B2 JP 5398546B2 JP 2009544402 A JP2009544402 A JP 2009544402A JP 2009544402 A JP2009544402 A JP 2009544402A JP 5398546 B2 JP5398546 B2 JP 5398546B2
- Authority
- JP
- Japan
- Prior art keywords
- acid
- ammonia
- diphenylmethanediamine
- mda
- producing
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/44—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring
- C07C211/49—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton
- C07C211/50—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton with at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
- C07C209/78—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton from carbonyl compounds, e.g. from formaldehyde, and amines having amino groups bound to carbon atoms of six-membered aromatic rings, with formation of methylene-diarylamines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/84—Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
a)酸の存在下にアニリンをホルムアルデヒドと反応させ、
b)酸をアンモニアで中和し、
c)工程b)からの反応混合物を水相と有機相に分離し、
d)工程c)で得られた水相をアルカリ土類金属の酸化物または水酸化物で処理し、
e)工程d)で得られたアンモニアを除去する。
Claims (7)
- ジフェニルメタンジアミンの製造方法であって、
a)酸の存在下にアニリンをホルムアルデヒドと反応させる工程、
b)酸をアンモニアで中和する工程、
c)工程b)からの反応混合物を水相と有機相に分離する工程、
d)工程c)で得られた水相をアルカリ土類金属の酸化物または水酸化物で処理する工程、
e)工程d)で得られたアンモニアを除去する工程を含み、
且つ工程e)で得られたアンモニアが工程b)に戻されることを特徴とするジフェニルメタンジアミンの製造方法。 - 使用する酸が無機酸である請求項1記載の方法。
- 使用する酸が塩酸である請求項1記載の方法。
- 工程d)で使用されるアルカリ土類金属の酸化物または水酸化物が酸化カルシウムおよび/または水酸化カルシウムである請求項1記載の方法。
- 工程d)で使用されるアルカリ土類金属の水酸化物が水酸化カルシウムである請求項1記載の方法。
- 工程c)で得られた有機相を精製し、後処理し、ジフェニルメタンジアミンを生成する請求項1記載の方法。
- 精製されたジフェニルメタンジアミンをホスホゲンと反応させて、ジフェニルメタンジイソシアネートを生成する請求項1記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07100242 | 2007-01-08 | ||
EP07100242.2 | 2007-01-08 | ||
PCT/EP2008/050002 WO2008083997A1 (de) | 2007-01-08 | 2008-01-02 | Verfahren zur herstellung von diphenylmethandiamin |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010515667A JP2010515667A (ja) | 2010-05-13 |
JP5398546B2 true JP5398546B2 (ja) | 2014-01-29 |
Family
ID=39166987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009544402A Expired - Fee Related JP5398546B2 (ja) | 2007-01-08 | 2008-01-02 | ジフェニルメタンジアミンの製造方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8329951B2 (ja) |
EP (1) | EP2108011B1 (ja) |
JP (1) | JP5398546B2 (ja) |
KR (1) | KR101544219B1 (ja) |
CN (1) | CN101583591B (ja) |
ES (1) | ES2427593T3 (ja) |
PT (1) | PT2108011E (ja) |
WO (1) | WO2008083997A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HUE025009T2 (en) * | 2009-12-18 | 2016-04-28 | Basf Se | Two-step process for cost-effective separation of homogeneous catalysts in MDA synthesis |
CN102079712A (zh) * | 2010-12-31 | 2011-06-01 | 大连联化化学有限公司 | 一种从有机胺盐回收无水有机胺的方法 |
EP2883863B1 (de) | 2013-12-11 | 2017-05-03 | Basf Se | Verfahren zur Hydrierung von 4,4'-Methylendianilin |
EP3351505A1 (de) | 2017-01-20 | 2018-07-25 | Covestro Deutschland AG | Verfahren zur flexiblen steuerung der verwendung von salzsäure aus chemischer produktion |
EP3351513A1 (de) | 2017-01-20 | 2018-07-25 | Covestro Deutschland AG | Verfahren und vorrichtung zur kontinuierlichen salzsäureneutralisation |
DE102022201519A1 (de) * | 2022-02-14 | 2023-08-17 | Volkswagen Aktiengesellschaft | Verfahren zur gekoppelten Herstellung von Polyurethanen mit verringertem CO2-Fußabdruck |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2781245A (en) * | 1952-09-18 | 1957-02-12 | Allied Chem & Dye Corp | Process of recovering ammonia from ammoniacal liquors |
GB1192121A (en) * | 1968-03-18 | 1970-05-20 | Ici Ltd | Purification of Polyamines Formed by Aniline-Formaldehyde Condensation |
DE1901993A1 (de) | 1969-01-16 | 1970-08-20 | Basf Ag | Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat und einem Gemisch von Di- und Polyisocyanaten |
JPS6283316A (ja) * | 1985-10-08 | 1987-04-16 | Mitsubishi Heavy Ind Ltd | アルミナ粒子の製造方法 |
JPH08797B2 (ja) * | 1986-04-21 | 1996-01-10 | 日本化薬株式会社 | ジアミノジフエニルメタン系化合物の製法 |
JPH04154744A (ja) * | 1990-10-18 | 1992-05-27 | Mitsui Toatsu Chem Inc | メチレン架橋ポリアリールアミンの製造方法 |
US5310769A (en) * | 1992-05-01 | 1994-05-10 | Bayer Aktiengesellschaft | Process for the production of polyamine mixtures of the polyamino-polyaryl-polymethylene series |
DE4217019A1 (de) | 1992-05-22 | 1993-11-25 | Bayer Ag | Verfahren zur Herstellung von aromatischen Diisocyanaten |
JP3868027B2 (ja) * | 1996-06-12 | 2007-01-17 | 三井化学株式会社 | トリアミノジフェニルメタン類を主要成分とするメチレン架橋ポリフェニレンポリアミンの製造方法 |
DE19804915A1 (de) | 1998-02-07 | 1999-08-12 | Basf Ag | Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat) |
DE19817691A1 (de) | 1998-04-21 | 1999-10-28 | Basf Ag | Verfahren zur Herstellung von Mischungen aus Diphenylmehandiisocyanaten und Polyphenylen-polymethylen-polyisocyanaten mit vermindertem Gehalt an chlorierten Nebenprodukten und verminderter Jodfarbzahl |
JP4033420B2 (ja) * | 1998-04-23 | 2008-01-16 | 三井造船株式会社 | 排ガス中の塩化水素の乾式除去方法および乾式除去装置 |
JP4016520B2 (ja) * | 1998-12-22 | 2007-12-05 | 住友化学株式会社 | ビスフェノール類の製造法 |
DE10006452A1 (de) | 2000-02-14 | 2001-08-16 | Bayer Ag | Verfahren zur Herstellung von Diaminodiphenylmethanen |
DE10211021A1 (de) * | 2002-03-13 | 2003-09-25 | Bayer Ag | Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert |
DE10331772A1 (de) * | 2003-07-11 | 2005-02-03 | Basf Ag | Verfahren zur Herstellung von Diaminodiarylmethanen |
-
2008
- 2008-01-02 PT PT87011904T patent/PT2108011E/pt unknown
- 2008-01-02 JP JP2009544402A patent/JP5398546B2/ja not_active Expired - Fee Related
- 2008-01-02 EP EP08701190.4A patent/EP2108011B1/de active Active
- 2008-01-02 ES ES08701190T patent/ES2427593T3/es active Active
- 2008-01-02 WO PCT/EP2008/050002 patent/WO2008083997A1/de active Application Filing
- 2008-01-02 KR KR1020097014472A patent/KR101544219B1/ko active IP Right Grant
- 2008-01-02 CN CN200880001868.6A patent/CN101583591B/zh active Active
- 2008-01-02 US US12/521,873 patent/US8329951B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
PT2108011E (pt) | 2013-09-06 |
ES2427593T3 (es) | 2013-10-31 |
US8329951B2 (en) | 2012-12-11 |
CN101583591B (zh) | 2014-01-08 |
CN101583591A (zh) | 2009-11-18 |
EP2108011B1 (de) | 2013-08-28 |
WO2008083997A1 (de) | 2008-07-17 |
US20100105951A1 (en) | 2010-04-29 |
KR20090108594A (ko) | 2009-10-15 |
KR101544219B1 (ko) | 2015-08-12 |
JP2010515667A (ja) | 2010-05-13 |
EP2108011A1 (de) | 2009-10-14 |
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