KR101773630B1 - 용매 재순환을 이용한 이소시아네이트, 바람직하게는 디이소시아네이트 및 폴리이소시아네이트의 제조 방법 - Google Patents

용매 재순환을 이용한 이소시아네이트, 바람직하게는 디이소시아네이트 및 폴리이소시아네이트의 제조 방법 Download PDF

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KR101773630B1
KR101773630B1 KR1020127001771A KR20127001771A KR101773630B1 KR 101773630 B1 KR101773630 B1 KR 101773630B1 KR 1020127001771 A KR1020127001771 A KR 1020127001771A KR 20127001771 A KR20127001771 A KR 20127001771A KR 101773630 B1 KR101773630 B1 KR 101773630B1
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solvent
stream
isocyanate
phosgene
amine
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KR20120096455A (ko
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하이너 쉘링
울리히 펜젤
에크하르트 슈트뢰퍼
맛티아스 아이어만
존 에스 슈파이어
카이 틸레
미하엘 보크
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바스프 에스이
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    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
KR1020127001771A 2009-06-26 2010-06-16 용매 재순환을 이용한 이소시아네이트, 바람직하게는 디이소시아네이트 및 폴리이소시아네이트의 제조 방법 Active KR101773630B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22074009P 2009-06-26 2009-06-26
US61/220,740 2009-06-26
PCT/EP2010/058421 WO2010149544A2 (en) 2009-06-26 2010-06-16 Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation

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KR20120096455A KR20120096455A (ko) 2012-08-30
KR101773630B1 true KR101773630B1 (ko) 2017-08-31

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US (1) US8759569B2 (enExample)
EP (1) EP2445869B1 (enExample)
JP (1) JP2012530749A (enExample)
KR (1) KR101773630B1 (enExample)
CN (1) CN102482205B (enExample)
BR (1) BRPI1015061A2 (enExample)
ES (1) ES2532761T3 (enExample)
PL (1) PL2445869T3 (enExample)
PT (1) PT2445869E (enExample)
WO (1) WO2010149544A2 (enExample)

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WO2011048124A1 (de) 2009-10-21 2011-04-28 Basf Se Verfahren zur herstellung von urethanen
WO2011067369A1 (de) 2009-12-04 2011-06-09 Basf Se Verfahren zur herstellung von isocyanaten
US8609899B2 (en) 2010-05-17 2013-12-17 Basf Se Process for preparing toluenediamine by hydrogenation of dinitrotoluene
US8907124B2 (en) 2010-11-17 2014-12-09 Basf Se Process for preparing methylenedi(phenyl isocyanate)
US9505711B2 (en) 2010-11-17 2016-11-29 Basf Se Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate
US8969615B2 (en) 2011-03-31 2015-03-03 Basf Se Process for preparing isocyanates
US8933262B2 (en) 2011-05-24 2015-01-13 Basf Se Process for preparing polyisocyanates from biomass
DE102011087654A1 (de) 2011-12-02 2013-06-06 Bayer Materialscience Aktiengesellschaft Verfahren zur Herstellung von Isocyanaten
CN103877738A (zh) * 2012-12-19 2014-06-25 海安海太铸造有限公司 一种带有降膜蒸发器的蒸馏塔
CN103739520B (zh) * 2013-12-26 2016-03-30 安徽广信农化股份有限公司 一种3,4-二氯苯异氰酸酯精制方法
CN104974010B (zh) * 2014-04-01 2016-10-26 万华化学集团股份有限公司 一种光气法制异氰酸酯的溶剂精制方法及所使用的装置
CN104402765B (zh) * 2014-10-10 2015-09-30 青岛科技大学 一种以异氰酸酯为中间体制备农药的方法
WO2017050776A1 (de) * 2015-09-24 2017-03-30 Covestro Deutschland Ag Verfahren zur herstellung von isocyanaten
CN107935889B (zh) * 2017-11-29 2020-08-28 万华化学集团股份有限公司 一种单异氰酸酯的制备方法及装置
CN109651201A (zh) * 2018-12-30 2019-04-19 安徽广信农化股份有限公司 一种合成异氰酸环己酯的废料处理工艺
US12441680B2 (en) 2019-09-17 2025-10-14 Covestro Deutschland Ag Method for producing isocyanates
US11731936B2 (en) * 2019-12-06 2023-08-22 Skc Co., Ltd. Diisocyanate composition, preparation method thereof and optical material using same
CN114380714B (zh) * 2020-10-16 2023-08-11 万华化学集团股份有限公司 光气化反应生产中的循环溶剂及其除杂方法
CN112552209A (zh) * 2020-12-09 2021-03-26 浙江丽水有邦新材料有限公司 一种环己基异氰酸酯的制备方法及装置
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
CN115093349B (zh) * 2022-06-28 2024-06-25 万华化学集团股份有限公司 一种甲苯二异氰酸酯副产固体残渣净化溶剂的方法
CN116217439B (zh) * 2023-01-03 2025-05-13 万华化学集团股份有限公司 一种光气化制备mdi的循环溶剂及其提纯方法
CN117603093A (zh) * 2023-11-30 2024-02-27 甘肃银光聚银化工有限公司 一种生物基1，4-丁二异氰酸酯的合成方法
CN118812394A (zh) * 2024-07-26 2024-10-22 青岛科技大学 光气法合成1,5-戊二异氰酸酯的精制工艺及设备

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US20060011463A1 (en) * 2002-12-19 2006-01-19 Basf Aktiengesellschaft Method for seperating out solvent from a reaction mixture resulting from an isocyanate synthesis and for purifying this solvent

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DD139955A3 (de) 1975-09-23 1980-01-30 Siegbert Loeschau Verfahren zur sofortigen feststellung von wassereintritten in phosgen bzw.phosgenfuehrenden systemen
DE4412327A1 (de) * 1994-04-11 1995-10-12 Bayer Ag Verfahren zur Herstellung von Diisocyanaten
DE19523851A1 (de) * 1995-06-30 1997-01-02 Basf Ag Verfahren zur Herstellung von Mischungen aus Diphenylmethan-diisocyanaten und Polyphenyl-polymethylen-polyisocyanaten mit einer verminderten Iodfarbzahl und einem reduzierten Chlorgehalt
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
DE19942299A1 (de) * 1999-09-04 2001-03-08 Basf Ag Verbessertes Verfahren zur Herstellung von Mono- und Oligo-Isocyanaten
EP1371634A1 (en) 2002-06-14 2003-12-17 Bayer Ag Process for the purification of mixtures of toluenediisocyanate
EP1371633A1 (en) * 2002-06-14 2003-12-17 Bayer Ag Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column
DE10333929A1 (de) * 2003-07-25 2005-02-24 Bayer Materialscience Ag Herstellung von Mischungen von Di- und Polyisocyanaten der Diphenylmethanreihe mit hohen Gehalten an 4,4'-Methylendiphenyldiisocyanat und 2,4'-Methylendiphenyldiisocyanat
DE102006004041A1 (de) * 2006-01-28 2007-08-02 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
DE102006022448A1 (de) * 2006-05-13 2007-11-15 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten
MX2010001396A (es) 2007-08-31 2010-03-01 Basf Se Metodo para la produccion de isocianatos.
EP2200976B1 (de) 2007-09-19 2011-11-23 Basf Se Verfahren zur herstellung von isocyanaten
KR20110009111A (ko) 2008-04-14 2011-01-27 바스프 에스이 이소시아네이트 제조로부터의 잔류물의 처리 방법
CN102119145B (zh) 2008-08-07 2014-06-18 巴斯夫欧洲公司 制备芳香族异氰酸酯的方法
PL2367783T3 (pl) 2008-11-19 2013-06-28 Basf Se Sposób wytwarzania izocyjanianu
US8609899B2 (en) 2010-05-17 2013-12-17 Basf Se Process for preparing toluenediamine by hydrogenation of dinitrotoluene
EP2585433A1 (de) 2010-06-22 2013-05-01 Basf Se Heterogen katalysierte carbamatspaltung zur synthese von isocyanaten an festen lewis-säuren
US9505711B2 (en) 2010-11-17 2016-11-29 Basf Se Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate

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US20060011463A1 (en) * 2002-12-19 2006-01-19 Basf Aktiengesellschaft Method for seperating out solvent from a reaction mixture resulting from an isocyanate synthesis and for purifying this solvent

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KR20120096455A (ko) 2012-08-30
EP2445869A2 (en) 2012-05-02
US20120101299A1 (en) 2012-04-26
WO2010149544A3 (en) 2011-03-17
US8759569B2 (en) 2014-06-24
EP2445869B1 (en) 2014-12-24
CN102482205A (zh) 2012-05-30
PL2445869T3 (pl) 2015-05-29
WO2010149544A2 (en) 2010-12-29
ES2532761T3 (es) 2015-03-31
CN102482205B (zh) 2014-05-28
JP2012530749A (ja) 2012-12-06
BRPI1015061A2 (pt) 2016-04-19
PT2445869E (pt) 2015-02-05

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