CN1052974C - 异氰酸酯的生产工艺和残余物的连续综合加工工艺 - Google Patents

异氰酸酯的生产工艺和残余物的连续综合加工工艺 Download PDF

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Publication number
CN1052974C
CN1052974C CN94106154A CN94106154A CN1052974C CN 1052974 C CN1052974 C CN 1052974C CN 94106154 A CN94106154 A CN 94106154A CN 94106154 A CN94106154 A CN 94106154A CN 1052974 C CN1052974 C CN 1052974C
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CN
China
Prior art keywords
isocyanic ester
resistates
technology
moisture eliminator
product
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
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CN94106154A
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English (en)
Chinese (zh)
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CN1099026A (zh
Inventor
Ｈ·Ｊ·本尼迪斯
W·莫蒂卡
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Carcoustics Techconsult GmbH
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Bayer AG
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Publication of CN1099026A publication Critical patent/CN1099026A/zh
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Publication of CN1052974C publication Critical patent/CN1052974C/zh
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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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CN94106154A 1993-05-27 1994-05-27 异氰酸酯的生产工艺和残余物的连续综合加工工艺 Expired - Fee Related CN1052974C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4317669A DE4317669A1 (de) 1993-05-27 1993-05-27 Verfahren zur Herstellung von Isocyanaten und kontinuierlichen Aufarbeitung des Rückstandes
DEP4317669.0 1993-05-27

Publications (2)

Publication Number Publication Date
CN1099026A CN1099026A (zh) 1995-02-22
CN1052974C true CN1052974C (zh) 2000-05-31

Family

ID=6489062

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94106154A Expired - Fee Related CN1052974C (zh) 1993-05-27 1994-05-27 异氰酸酯的生产工艺和残余物的连续综合加工工艺

Country Status (10)

Country Link
US (1) US5446196A (2)
EP (1) EP0626368B1 (2)
JP (1) JP3485632B2 (2)
KR (1) KR100286883B1 (2)
CN (1) CN1052974C (2)
BR (1) BR9402087A (2)
CA (1) CA2124287A1 (2)
DE (2) DE4317669A1 (2)
ES (1) ES2114630T3 (2)
TW (1) TW275618B (2)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110072845A (zh) * 2016-12-21 2019-07-30 科思创德国股份有限公司 制备异氰酸酯的方法

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4430951C1 (de) * 1994-08-31 1996-05-23 Bayer Ag Verfahren und Vorrichtung zur Abtrennung eines festen Rückstandes aus seiner Lösung im gerührten Gutbett
FR2780966B1 (fr) * 1998-07-10 2000-09-08 Rhodia Chimie Sa Procede de recuperation de composes dans les produits lourds issus de leur fabrication
DE102005046816A1 (de) * 2005-09-29 2007-04-05 Basf Ag Verfahren zur Aufreinigung von isocyanathaltigen Rückständen
KR101287282B1 (ko) * 2005-09-29 2013-07-23 바스프 에스이 아이소시아네이트를 함유하는 잔류물의 정제 방법
DE102006060181A1 (de) * 2006-12-18 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiisocyanat
DE102007020444A1 (de) * 2007-04-27 2008-11-06 Bayer Materialscience Ag Verfahren zur Oxidation eines Chlorwasserstoffenthaltenden Gasgemisches
FR2918991B1 (fr) * 2007-07-20 2012-05-11 Rhodia Operations Nouvelle utilisation des cokes issus de la fabrication du toluene diisocyanate
DE102011051467A1 (de) 2011-06-30 2013-01-03 Buss-Sms-Canzler Gmbh Verfahren zur Gewinnung von Toluylendiisocyanat aus flüssigen Rückständen der Toluylendiisocyanatherstellung
CN104411681B (zh) * 2012-07-11 2017-03-29 科思创德国股份有限公司 后处理由制备异氰酸酯产生的蒸馏残渣的方法
US9688619B2 (en) 2013-08-19 2017-06-27 Covestro Deutschland Ag Process for obtaining organic isocyanates from distillation residues from isocyanate preparation
EP3571185A1 (de) * 2017-01-18 2019-11-27 Covestro Deutschland AG Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen
US10400112B2 (en) * 2017-06-22 2019-09-03 Covestro Llc Powder coating compositions with a polymeric aromatic product of an aromatic isocyanate manufacturing process
US10465090B2 (en) 2017-06-22 2019-11-05 Covestro Llc Powder coating compositions with a polymeric aromatic product of an aromatic isocyanate manufacturing process
EP3549931A1 (de) 2018-04-06 2019-10-09 Covestro Deutschland AG Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen
EP3597632A1 (de) * 2018-07-18 2020-01-22 Covestro Deutschland AG Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen
WO2020041427A1 (en) 2018-08-21 2020-02-27 Covestro Llc Paving grade asphalt compositions and methods for their manufacture
US10851239B2 (en) 2018-11-07 2020-12-01 Covestro Llc Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams
US12601544B2 (en) 2019-04-02 2026-04-14 Covestro Deutschland Ag Drying apparatus and use thereof and process for producing an isocyanate using the drying apparatus
EP3960728A1 (de) 2020-08-24 2022-03-02 Covestro Deutschland AG Verfahren zur isocyanat-herstellung mit rezyklierender, thermisch oxidativer verwertung
CN114247734A (zh) * 2020-09-24 2022-03-29 科思创德国股份有限公司 一种处理固体残渣的方法
US11618814B2 (en) 2020-12-04 2023-04-04 Covestro Llc Elastomeric compositions containing a solid residue of isocyanate manufacturing
CN114478320A (zh) * 2022-01-25 2022-05-13 浙江丽水有邦新材料有限公司 一种苯基异氰酸酯的生产方法及生产装置
KR20250005405A (ko) 2022-04-26 2025-01-09 바스프 에스이 톨루엔 디이소시아네이트 및 고비점 화합물 함유 혼합물을 저장하는 방법, 및 톨루엔 디이소시아네이트 함유 미정제 반응 생성물을 후처리하는 방법
CN121569012A (zh) 2023-08-15 2026-02-24 科思创德国股份有限公司 提供适于焚烧的粒料的方法、适于焚烧的粒料及其作为燃料的用途

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3457291A (en) * 1965-04-01 1969-07-22 Union Carbide Corp Production of isocyanates
US4216063A (en) * 1977-07-12 1980-08-05 Produits Chimiques Ugine Kuhlmann Process for recovery of toluene diisocyanate

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889257A (en) * 1956-05-17 1959-06-02 Du Pont Distillation of tar residues
CH506322A (de) * 1969-03-17 1971-04-30 List Heinz Mehrspindelige Misch- und Knetmaschine
US3971793A (en) * 1972-07-25 1976-07-27 Delalande S.A. Certain 6-(dialkylamino, pyrrolidino and piperidino)ethoxy-4,7-dimethoxy-5-(3-phenyl-1-hydroxypropyl)2,3-dihydrobenzofurans
DE2915830A1 (de) * 1979-04-19 1980-10-23 Basf Ag Gewinnung von toluylendiisocyanat und/oder hoehersiedenden loesungsmitteln im wirbelbett aus destillationsrueckstaenden der toluylendiisocanat-herstellung
SE8604441L (sv) * 1986-10-20 1988-04-21 Nobel Chematur Ab Sett att utvinna isocyanater
US5043470A (en) * 1989-03-03 1991-08-27 The Lubrizol Corporation Process for distillation of crude isocyanate concentrates

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3457291A (en) * 1965-04-01 1969-07-22 Union Carbide Corp Production of isocyanates
US4216063A (en) * 1977-07-12 1980-08-05 Produits Chimiques Ugine Kuhlmann Process for recovery of toluene diisocyanate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110072845A (zh) * 2016-12-21 2019-07-30 科思创德国股份有限公司 制备异氰酸酯的方法
CN110072845B (zh) * 2016-12-21 2022-04-08 科思创德国股份有限公司 制备异氰酸酯的方法

Also Published As

Publication number Publication date
JPH06336469A (ja) 1994-12-06
ES2114630T3 (es) 1998-06-01
EP0626368B1 (de) 1998-04-15
DE4317669A1 (de) 1994-12-01
CA2124287A1 (en) 1994-11-28
DE59405677D1 (de) 1998-05-20
JP3485632B2 (ja) 2004-01-13
BR9402087A (pt) 1994-12-27
TW275618B (2) 1996-05-11
KR100286883B1 (ko) 2001-04-16
EP0626368A1 (de) 1994-11-30
US5446196A (en) 1995-08-29
CN1099026A (zh) 1995-02-22

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: CARCOUSTICS TECHCONSULT GMBH

Free format text: FORMER OWNER: BAYER AKTIENGESELLSCHAFT

Effective date: 20120802

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20120802

Address after: Germany Leverkusen

Patentee after: Carcoustics Techconsult GmbH

Address before: Germany Leverkusen

Patentee before: Bayer Aktiengesellschaft

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 19950222

Assignee: Bayer Material Science (China) Co., Ltd.

Assignor: Carcoustics Techconsult GmbH

Contract record no.: 2012990000854

Denomination of invention: A process for the production of isocyanates and for the continuous working-up of the residue

Granted publication date: 20000531

License type: Common License

Record date: 20121128

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20000531

Termination date: 20130527