JP2016527310A - 増加した熱伝達及び向上した温度制御でのメチロールアルカンの製造 - Google Patents
増加した熱伝達及び向上した温度制御でのメチロールアルカンの製造 Download PDFInfo
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Abstract
Description
によって規定される。
ホルムアルデヒド水溶液濃度(ホルムアルデヒドの重量%):10%〜50%;
総ホルムアルデヒド/反応物質アルデヒドのモル比:3.01:1〜10:1;
総無機塩基/反応物質アルデヒドのモル比:1:1〜2:1、好ましくは1:1〜1.5:1。
DE−1154080は、一連の撹拌反応器を用いるアルカリ性縮合による三価及び多価アルコールの連続製造方法に関する。実施例1を参照。
Claims (15)
- (a)ホルムアルデヒドを含む流れを、複数の逐次反応段階を有する管状反応システムに供給し;
(b)C2以上の縮合性のアルデヒド及び場合によっては塩基を、ホルムアルデヒドを含む流れに加え、ここでC2以上の縮合性のアルデヒド又は塩基の少なくとも1つを複数の逐次供給点においてホルムアルデヒドを含む流れに加えて生成流を与え、生成流を逐次反応段階を通して前進させながら、これに更なるC2以上の縮合性のアルデヒド又は塩基を漸次供給し;そして
(c)C2以上の縮合性のアルデヒド及びホルムアルデヒドをメチロールアルカンに転化させる;
ことを含み;
(i)C2以上の縮合性のアルデヒド又は塩基を加えた後に、生成流を、管インサートを備えた複数の管状反応部分に供給するか;或いは(ii)冷却媒体の温度及び流量を制御するように構成されている冷却制御システムが与えられていて、冷却媒体の流量を、それぞれの段階における温度測定値に応答して反応システムの異なる段階において独立して制御する、多段階プロセスでホルムアルデヒド及びC2以上の縮合性のアルデヒドからメチロールアルカンを製造する方法。 - C2以上の縮合性のアルデヒド及び/又は塩基を加えた後に、生成流を、管インサートを備えた複数の管状反応部分に供給する、請求項1に記載の方法。
- 管インサートが置換流インサートである、請求項2に記載の方法。
- 管インサートが線巻付け型管インサートである、請求項3に記載の方法。
- 冷却媒体の温度及び流量を制御するように構成されている冷却制御システムが与えられており、冷却媒体の流量を、それぞれの段階における温度測定値に応答して反応システムの異なる段階において独立して制御する、請求項1に記載の方法。
- 複数の反応段階を有する管状反応システムが、冷却媒体で包被されている管状反応部分を含む、請求項6に記載の方法。
- メチロールアルカンがトリメチロールプロパンであり、ホルムアルデヒドと縮合性のアルデヒドがn−ブチルアルデヒドである、請求項1に記載の方法。
- メチロールアルカンがネオペンチルグリコールであり、ホルムアルデヒドと縮合性のアルデヒドがイソブチルアルデヒドである、請求項1に記載の方法。
- C2以上の縮合性のアルデヒドを複数の逐次供給点においてホルムアルデヒドを含む流れに加えて生成流を与え、生成流を逐次反応段階を通して前進させながら、これに更なるC2以上の縮合性のアルデヒドを漸次供給する、請求項1に記載の方法。
- 塩基を複数の逐次供給点においてホルムアルデヒドを含む流れに加えて生成流を与え、生成流を逐次反応段階を通して前進させながら、これに更なる塩基を漸次供給する、請求項1に記載の方法。
- C2以上の縮合性のアルデヒド及び無機塩基を、複数の逐次供給点においてホルムアルデヒドを含む流れに加えて生成流を与え、生成流を逐次反応段階を通して前進させながら、これに更なるC2以上の縮合性のアルデヒド及び無機塩基を漸次供給することを更に含む、請求項1に記載の方法。
- 塩基が、水酸化カリウム、水酸化カルシウム、及び水酸化ナトリウムから選択される無機塩基である、請求項1に記載の方法。
- 生成流の温度を30℃〜75℃の間に維持する、請求項1に記載の方法。
- (a)複数の反応管を含む複数の逐次反応器段階を有する管状反応システム;
(b)ホルムアルデヒドを含む流れを管状反応システムに供給するように構成されている反応システム入口;
(c)C2以上の縮合性のアルデヒド又は塩基の少なくとも1つを複数の逐次供給点においてホルムアルデヒドを含む流れに供給して生成流を与え、生成流を逐次反応段階を通して前進させながら、これに更なるC2以上の縮合性のアルデヒド又は塩基を漸次供給するように構成されている複数の供給口;
を含み;
(i)反応管内において供給口に近接して配置されていて、C2以上の縮合性のアルデヒド及び/又は塩基を加えた後に、生成流を管インサートを有する反応管に供給するようになっている複数の管インサート;或いは(ii)冷却媒体の温度及び流量を制御するように構成されていて、冷却媒体の流量を、それぞれの段階における温度測定値に応答して反応システムの異なる段階において独立して制御する冷却制御システム;が更に与えられていることを更に特徴とする、C2以上の縮合性のアルデヒドのメチロール誘導体を製造するための多段階管状反応システム。
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US201361862554P | 2013-08-06 | 2013-08-06 | |
US61/862,554 | 2013-08-06 | ||
PCT/US2014/047718 WO2015020794A1 (en) | 2013-08-06 | 2014-07-23 | Manufacture of methylolalkanes with augmented heat transfer and improved temperature control |
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EP (1) | EP3030541B1 (ja) |
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KR (1) | KR102283439B1 (ja) |
CN (1) | CN105452206B (ja) |
ES (1) | ES2632457T3 (ja) |
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JP2019533725A (ja) * | 2016-10-25 | 2019-11-21 | オクセア・ゲゼルシャフト・ミト・べシュレンクテル・ハフツング | 無機塩基の存在下でポリオールを併産する方法 |
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CN107983277A (zh) * | 2017-12-29 | 2018-05-04 | 山东金德新材料有限公司 | 碳化硅反应管及由该反应管组成的微通道反应器 |
CN112090388B (zh) * | 2020-09-07 | 2022-04-12 | 浙江大学 | 一种连续流反应器及其在化学反应和合成中的应用 |
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DE10041197A1 (de) * | 2000-08-23 | 2002-03-07 | Bayer Ag | TMP/Dampfdruckfiltration |
DE10234016A1 (de) | 2002-07-26 | 2004-02-05 | Basf Ag | Verfahren zur Ausbeuteerhöhung bei der Herstellung von mehrwertigen Alkoholen durch Spaltung acetalhaltiger Nebenprodukte |
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US9676689B2 (en) | 2017-06-13 |
US20170190646A2 (en) | 2017-07-06 |
KR102283439B1 (ko) | 2021-07-30 |
CN105452206A (zh) | 2016-03-30 |
CN105452206B (zh) | 2017-12-26 |
JP6767535B2 (ja) | 2020-10-14 |
EP3030541A1 (en) | 2016-06-15 |
US20170050907A1 (en) | 2017-02-23 |
KR20160040563A (ko) | 2016-04-14 |
EP3030541B1 (en) | 2017-05-17 |
WO2015020794A1 (en) | 2015-02-12 |
JP2019131584A (ja) | 2019-08-08 |
ES2632457T3 (es) | 2017-09-13 |
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