CN101514172B - 制备异氰酸酯的方法 - Google Patents

制备异氰酸酯的方法 Download PDF

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Publication number
CN101514172B
CN101514172B CN200910006751.3A CN200910006751A CN101514172B CN 101514172 B CN101514172 B CN 101514172B CN 200910006751 A CN200910006751 A CN 200910006751A CN 101514172 B CN101514172 B CN 101514172B
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China
Prior art keywords
phosgene
solvent
weight
phase
hydrogen chloride
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Chinese (zh)
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CN101514172A (zh
Inventor
W·劳伦斯
M·博姆
R·亚当森
F·斯特芬斯
A·希尔舍
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Covestro Deutschland AG
Bayer Intellectual Property GmbH
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Carcoustics Techconsult GmbH
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/03—Preparation from chlorides
    • C01B7/035—Preparation of hydrogen chloride from chlorides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CN200910006751.3A 2008-02-19 2009-02-18 制备异氰酸酯的方法 Active CN101514172B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008009761A DE102008009761A1 (de) 2008-02-19 2008-02-19 Verfahren zur Herstellung von Isocyanaten
DE102008009761.6 2008-02-19

Publications (2)

Publication Number Publication Date
CN101514172A CN101514172A (zh) 2009-08-26
CN101514172B true CN101514172B (zh) 2014-12-17

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CN200910006751.3A Active CN101514172B (zh) 2008-02-19 2009-02-18 制备异氰酸酯的方法

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US (1) US7645900B2 (enExample)
EP (1) EP2093215B1 (enExample)
JP (1) JP5366580B2 (enExample)
KR (1) KR101586497B1 (enExample)
CN (1) CN101514172B (enExample)
BR (1) BRPI0900468A2 (enExample)
DE (1) DE102008009761A1 (enExample)

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CN111630028B (zh) 2018-01-05 2022-12-06 科思创知识产权两合公司 制备亚甲基二亚苯基二异氰酸酯和多亚甲基多亚苯基多异氰酸酯的方法
CN108525337B (zh) * 2018-05-29 2023-07-18 杭州东日节能技术有限公司 一种稀盐酸真空浓缩塔及其使用方法
US10626084B2 (en) 2018-08-03 2020-04-21 Covestro Llc Method for producing two isocyanates
CN114787125A (zh) 2019-12-18 2022-07-22 科思创德国股份有限公司 用于制备二苯基甲烷系列的二-和多异氰酸酯的方法
CN111961185B (zh) * 2020-08-27 2022-07-12 万华化学集团股份有限公司 一种多亚甲基多苯基多异氰酸酯组合物及其制备方法
EP4294760A1 (en) * 2021-02-17 2023-12-27 Basf Se Method of separating phosgene and hydrogen chloride
CN113332835B (zh) * 2021-06-29 2024-08-23 中国海洋石油集团有限公司 一种回收低压光气的装置及方法
CN114149345B (zh) * 2021-12-09 2023-04-21 万华化学集团股份有限公司 一种制备异氰酸酯的方法
EP4227292A1 (de) 2022-02-10 2023-08-16 Covestro Deutschland AG Verfahren zur herstellung von isocyanaten
JP2025505226A (ja) 2022-02-10 2025-02-21 コベストロ、ドイチュラント、アクチエンゲゼルシャフト イソシアネートを調製する方法
EP4227291A1 (de) 2022-02-10 2023-08-16 Covestro Deutschland AG Verfahren zur herstellung von isocyanaten
CN114920668B (zh) * 2022-05-13 2023-10-13 万华化学集团股份有限公司 一种制备低氯代杂质异氰酸酯的方法
CN115155467B (zh) * 2022-08-09 2023-10-10 宁夏瑞泰科技股份有限公司 采用液相光气化合成六亚甲基二异氰酸酯的系统及方法
CN115181006A (zh) * 2022-08-19 2022-10-14 浙江佳境环保科技有限公司 一种氯苯废液的回收方法及其制备得到的氯苯
CN118026893A (zh) * 2022-11-11 2024-05-14 万华化学（宁波）有限公司 一种低单苯环类杂质含量的粗异氰酸酯的生产工艺
WO2025065554A1 (zh) * 2023-09-28 2025-04-03 万华化学集团股份有限公司 低卤代脂肪环烃物质含量聚合mdi及其制备方法和应用

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CN101062905A (zh) * 2006-04-24 2007-10-31 拜尔材料科学股份公司 生产异氰酸酯的方法

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CN1729169A (zh) * 2002-12-19 2006-02-01 巴斯福股份公司 氯化氢和光气混合物的分离
CN101062905A (zh) * 2006-04-24 2007-10-31 拜尔材料科学股份公司 生产异氰酸酯的方法

Also Published As

Publication number Publication date
BRPI0900468A2 (pt) 2009-10-06
US7645900B2 (en) 2010-01-12
CN101514172A (zh) 2009-08-26
JP2009196991A (ja) 2009-09-03
DE102008009761A1 (de) 2009-08-27
JP5366580B2 (ja) 2013-12-11
KR101586497B1 (ko) 2016-01-18
US20090209784A1 (en) 2009-08-20
EP2093215B1 (de) 2015-04-22
EP2093215A1 (de) 2009-08-26
KR20090089812A (ko) 2009-08-24

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