CN1310878C - 异构二异氰酸根合二苯基甲烷类化合物的混合物的蒸馏方法 - Google Patents

异构二异氰酸根合二苯基甲烷类化合物的混合物的蒸馏方法 Download PDF

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Publication number
CN1310878C
CN1310878C CNB2004100430434A CN200410043043A CN1310878C CN 1310878 C CN1310878 C CN 1310878C CN B2004100430434 A CNB2004100430434 A CN B2004100430434A CN 200410043043 A CN200410043043 A CN 200410043043A CN 1310878 C CN1310878 C CN 1310878C
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China
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mdi
partition
isocyanato
distillation
ditans
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Expired - Fee Related
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Chinese (zh)
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CN1550493A (zh
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H·-P·沙尔
U·沃尔夫
B·特伦
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Covestro Deutschland AG
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Bayer MaterialScience AG
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Priority claimed from DE102004001872A external-priority patent/DE102004001872A1/de
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    • 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
    • C07C265/12—Derivatives of isocyanic acid having isocyanate groups bound to carbon atoms of six-membered aromatic rings
    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CNB2004100430434A 2003-05-08 2004-05-08 异构二异氰酸根合二苯基甲烷类化合物的混合物的蒸馏方法 Expired - Fee Related CN1310878C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10320504 2003-05-08
DE10320504.7 2003-05-08
DE102004001872A DE102004001872A1 (de) 2003-05-08 2004-01-14 Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane
DE102004001872.3 2004-01-14

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CN1550493A CN1550493A (zh) 2004-12-01
CN1310878C true CN1310878C (zh) 2007-04-18

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US (1) US7649108B2 (enExample)
EP (1) EP1475367B1 (enExample)
JP (1) JP4868717B2 (enExample)
KR (1) KR101075296B1 (enExample)
CN (1) CN1310878C (enExample)
BR (1) BRPI0401699A (enExample)
CA (1) CA2466464A1 (enExample)
SG (1) SG122820A1 (enExample)

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WO2013139703A1 (de) 2012-03-19 2013-09-26 Bayer Intellectual Property Gmbh Verfahren zur herstellung von isocyanaten
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CN105008438B (zh) 2012-11-16 2019-10-22 拜奥福米克斯公司 塑料粘结体系及方法
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CN110997751B (zh) 2017-07-03 2022-07-15 科思创德国股份有限公司 用于通过使h-官能反应物与光气反应制备化学产品的生产设备及其运行方法
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EP3498689A1 (en) 2017-12-14 2019-06-19 Sulzer Chemtech AG A plant and method for purifying an isomeric monomer, such as 4,4'-methylene diphenyl diisocyanate, from a crude mixture
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CN120774813A (zh) 2019-12-18 2025-10-14 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
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Publication number Publication date
CA2466464A1 (en) 2004-11-08
KR20040095700A (ko) 2004-11-15
CN1550493A (zh) 2004-12-01
EP1475367B1 (de) 2010-07-07
HK1071355A1 (en) 2005-07-15
US20040236139A1 (en) 2004-11-25
JP2004331667A (ja) 2004-11-25
EP1475367A1 (de) 2004-11-10
SG122820A1 (en) 2006-06-29
US7649108B2 (en) 2010-01-19
KR101075296B1 (ko) 2011-10-19
JP4868717B2 (ja) 2012-02-01
BRPI0401699A (pt) 2005-02-22

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