HUE059595T2 - Toluol-diizocianát tisztítási eljárás - Google Patents

Toluol-diizocianát tisztítási eljárás

Info

Publication number
HUE059595T2
HUE059595T2 HUE17881662A HUE17881662A HUE059595T2 HU E059595 T2 HUE059595 T2 HU E059595T2 HU E17881662 A HUE17881662 A HU E17881662A HU E17881662 A HUE17881662 A HU E17881662A HU E059595 T2 HUE059595 T2 HU E059595T2
Authority
HU
Hungary
Prior art keywords
purification method
toluene diisocyanate
diisocyanate purification
toluene
purification
Prior art date
Application number
HUE17881662A
Other languages
English (en)
Inventor
Hyun Cheol Ryu
Original Assignee
Hanwha Chemical Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hanwha Chemical Corp filed Critical Hanwha Chemical Corp
Publication of HUE059595T2 publication Critical patent/HUE059595T2/hu

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/141—Fractional distillation or use of a fractionation or rectification column where at least one distillation column contains at least one dividing wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
    • B01D3/322—Reboiler specifications
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
    • B01D5/006—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
HUE17881662A 2016-12-15 2017-12-12 Toluol-diizocianát tisztítási eljárás HUE059595T2 (hu)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20160171843 2016-12-15
KR1020170169654A KR102039089B1 (ko) 2016-12-15 2017-12-11 톨루엔디이소시아네이트 정제 방법

Publications (1)

Publication Number Publication Date
HUE059595T2 true HUE059595T2 (hu) 2022-12-28

Family

ID=62806423

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE17881662A HUE059595T2 (hu) 2016-12-15 2017-12-12 Toluol-diizocianát tisztítási eljárás

Country Status (8)

Country Link
US (1) US11028046B2 (hu)
EP (1) EP3556745B1 (hu)
JP (1) JP6876803B2 (hu)
KR (1) KR102039089B1 (hu)
CN (1) CN110072846B (hu)
HU (1) HUE059595T2 (hu)
SA (1) SA519402102B1 (hu)
WO (1) WO2018110947A1 (hu)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108434774A (zh) * 2018-06-28 2018-08-24 北京泽华化学工程有限公司 一种利用隔壁塔分离c6至c9＋混合芳烃的装置
CN109369457A (zh) * 2018-12-13 2019-02-22 湖南海利常德农药化工有限公司 一种间苯二亚甲基二异氰酸酯的制备方法
CN110000193B (zh) * 2019-04-16 2021-09-21 福建工程学院 一种用于处置tdi焦油残渣的方法
KR20220095865A (ko) * 2020-12-30 2022-07-07 한화솔루션 주식회사 이소시아네이트 화합물의 제조 방법
KR20220095866A (ko) * 2020-12-30 2022-07-07 한화솔루션 주식회사 이소시아네이트 화합물의 제조 방법
CN115650880A (zh) * 2022-11-03 2023-01-31 万华化学（宁波）有限公司 一种过保质期mdi的回收处理方法及由其制备碳化二亚胺改性异氰酸酯的方法和产品

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
ES2271171T3 (es) * 2002-10-22 2007-04-16 Bayer Materialscience Ag Procedimiento para la purificacion de toluendiisocianato que incorpora una columna de destilacion de pared divisoria para la purificacion final.
DE10260092A1 (de) 2002-12-19 2004-07-01 Basf Ag Verfahren zur Reinigung von Isocyanaten
KR100578607B1 (ko) * 2003-06-09 2006-05-10 한화석유화학 주식회사 톨루엔디이소시아네이트 제조공정에서 배출되는 고비점 타르 잔류물로부터 톨루엔디아민을 회수하는 방법
US8030522B2 (en) * 2006-06-07 2011-10-04 Bayer Materialscience Llc Process for the production of toluene diisocyanate
JP5479675B2 (ja) 2007-11-14 2014-04-23 三井化学株式会社 トルエンジイソシアネートの製造方法
BRPI0913812B1 (pt) * 2008-10-02 2018-02-14 Dow Global Technologies Llc Método para fracionar uma mistura de alimentação de isocianato
CN101774949B (zh) * 2010-03-01 2012-10-17 甘肃银达化工有限公司 一种粗甲苯二异氰酸酯的精制方法

Also Published As

Publication number Publication date
KR20180069710A (ko) 2018-06-25
JP6876803B2 (ja) 2021-05-26
EP3556745A4 (en) 2020-08-12
WO2018110947A1 (ko) 2018-06-21
SA519402102B1 (ar) 2022-08-27
EP3556745A1 (en) 2019-10-23
KR102039089B1 (ko) 2019-11-26
US11028046B2 (en) 2021-06-08
WO2018110947A8 (ko) 2018-07-26
EP3556745B1 (en) 2022-06-29
CN110072846B (zh) 2022-05-24
CN110072846A (zh) 2019-07-30
US20200377447A1 (en) 2020-12-03
JP2020502178A (ja) 2020-01-23

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