DK310578A - Fremgangsmaade til genvinding af toluendiisocyanat - Google Patents

Fremgangsmaade til genvinding af toluendiisocyanat

Info

Publication number: DK310578A
Authority: DK; Denmark
Prior art keywords: diococanate; procedure; recycling toluene; recycling; toluene
Prior art date: 1977-07-12

Application number

DK783105A

Other languages

English (en)

Other versions

DK154426B (da

DK154426C (da

Inventor

P Ailloud

P Haussy

Original Assignee

Ugine Kuhlmann

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.)

1977-07-12

Filing date

1978-07-11

Publication date

1979-01-13

1978-07-11 Application filed by Ugine Kuhlmann filed Critical Ugine Kuhlmann

1979-01-13 Publication of DK310578A publication Critical patent/DK310578A/da

1988-11-14 Publication of DK154426B publication Critical patent/DK154426B/da

1989-04-10 Application granted granted Critical

1989-04-10 Publication of DK154426C publication Critical patent/DK154426C/da

Classifications

- 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
- B01D3/10—Vacuum distillation
- 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
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S159/00—Concentrating evaporators
- Y10S159/10—Organic

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

DK310578A 1977-07-12 1978-07-11 Fremgangsmaade til kontinuerlig og automatisk udvinding af toluendiisocyanat fra tunge biprodukter ved fremstillingen DK154426C (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR7721436A FR2397396A1 (fr)	1977-07-12	1977-07-12	Procede de recuperation du toluene diisocyanate a partir des residus de fabrication
FR7721436		1977-07-12

Publications (3)

Publication Number	Publication Date
DK310578A true DK310578A (da)	1979-01-13
DK154426B DK154426B (da)	1988-11-14
DK154426C DK154426C (da)	1989-04-10

Family

ID=9193273

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK310578A DK154426C (da)	1977-07-12	1978-07-11	Fremgangsmaade til kontinuerlig og automatisk udvinding af toluendiisocyanat fra tunge biprodukter ved fremstillingen

Country Status (17)

Country	Link
US (1)	US4216063A (da)
EP (1)	EP0000463B1 (da)
JP (1)	JPS5419938A (da)
AR (1)	AR214462A1 (da)
AU (1)	AU522377B2 (da)
BR (1)	BR7804465A (da)
CA (1)	CA1094090A (da)
DD (1)	DD138314A5 (da)
DE (1)	DE2861504D1 (da)
DK (1)	DK154426C (da)
ES (1)	ES471637A1 (da)
FR (1)	FR2397396A1 (da)
IE (1)	IE47024B1 (da)
IN (1)	IN148484B (da)
IT (1)	IT1111627B (da)
PT (1)	PT68171A (da)
SU (1)	SU1264840A3 (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2915830A1 (de) *	1979-04-19	1980-10-23	Basf Ag	Gewinnung von toluylendiisocyanat und/oder hoehersiedenden loesungsmitteln im wirbelbett aus destillationsrueckstaenden der toluylendiisocanat-herstellung
FR2625742B1 (fr) *	1988-01-13	1990-06-22	Rhone Poulenc Chimie	Procede de separation du toluene diisocyanate contenu dans les residus de sa fabrication
JPH02138567U (da) *	1989-04-21	1990-11-19
US5051152A (en) *	1989-09-26	1991-09-24	Air Products And Chemicals, Inc.	Preparation of urethane prepolymers having low levels of residual toluene diisocyanate
DE4317669A1 (de) *	1993-05-27	1994-12-01	Bayer Ag	Verfahren zur Herstellung von Isocyanaten und kontinuierlichen Aufarbeitung des Rückstandes
DE4430951C1 (de) *	1994-08-31	1996-05-23	Bayer Ag	Verfahren und Vorrichtung zur Abtrennung eines festen Rückstandes aus seiner Lösung im gerührten Gutbett
US5962728A (en) *	1997-10-31	1999-10-05	Arco Chemical Technology, L.P.	Isocyanate residue purification
DE10260092A1 (de) *	2002-12-19	2004-07-01	Basf Ag	Verfahren zur Reinigung von Isocyanaten
WO2007036479A1 (de) *	2005-09-29	2007-04-05	Basf Se	Verfahren zur aufreinigung von isocyanathaltigen rückständen
CN102408354A (zh) *	2011-10-24	2012-04-11	天津大学	一种回收甲苯二异氰酸酯的方法及装置
KR102048110B1 (ko) *	2012-07-11	2019-11-22	코베스트로 도이칠란드 아게	이소시아네이트 제조에서 증류 잔류물의 후처리 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2706169A (en) *	1954-03-04	1955-04-12	Du Pont	Flash distillation of 2,4-tolylene diisocyanate
US2974725A (en) *	1954-05-04	1961-03-14	Bayer Ag	Process and apparatus for continuously obtaining dry materials
US3457291A (en) *	1965-04-01	1969-07-22	Union Carbide Corp	Production of isocyanates
US3405040A (en)	1965-08-31	1968-10-08	Mobay Chemical Corp	Method for recovering tolylene diisocyanate
US3542112A (en) *	1968-06-05	1970-11-24	Artisan Ind	Thin-film evaporator having multi-zone temperature control jacket
US3694323A (en) *	1968-08-05	1972-09-26	Du Pont	Separation of distillable isocyanates from their phosgenation masses
CA998060A (en)	1970-05-22	1976-10-05	Carl F. Irwin	Recovery of organic isocyanate
DE2035731C3 (de) *	1970-07-18	1985-08-29	Bayer Ag, 5090 Leverkusen	Verfahren zur einstufigen kontinuierlichen Abtrennung von Destillationsrückständen aus rohen Isocyanaten
DE2452805A1 (de) *	1974-11-07	1976-05-20	Basf Ag	Verfahren zur abtrennung von rueckstaenden der toluylendiisocyanatherstellung
DD130143B1 (de) *	1975-08-15	1979-12-27	Guenter Muecke	Verfahren zur kontinuierlichen thermischen abtrennung organischer isocyanate aus fluessigem destillationsrueckstand

1977
- 1977-07-12 FR FR7721436A patent/FR2397396A1/fr active Granted
1978
- 1978-06-15 PT PT68171A patent/PT68171A/pt unknown
- 1978-06-20 IN IN453/DEL/78A patent/IN148484B/en unknown
- 1978-06-23 US US05/918,581 patent/US4216063A/en not_active Expired - Lifetime
- 1978-06-23 IT IT68483/78A patent/IT1111627B/it active
- 1978-06-30 AR AR272793A patent/AR214462A1/es active
- 1978-07-03 EP EP78400051A patent/EP0000463B1/fr not_active Expired
- 1978-07-03 DE DE7878400051T patent/DE2861504D1/de not_active Expired
- 1978-07-07 IE IE1366/78A patent/IE47024B1/en not_active IP Right Cessation
- 1978-07-10 DD DD78206629A patent/DD138314A5/xx unknown
- 1978-07-10 AU AU37902/78A patent/AU522377B2/en not_active Expired
- 1978-07-11 ES ES471637A patent/ES471637A1/es not_active Expired
- 1978-07-11 BR BR7804465A patent/BR7804465A/pt unknown
- 1978-07-11 DK DK310578A patent/DK154426C/da not_active IP Right Cessation
- 1978-07-11 CA CA307,196A patent/CA1094090A/fr not_active Expired
- 1978-07-12 JP JP8412978A patent/JPS5419938A/ja active Granted
- 1978-07-12 SU SU782634047A patent/SU1264840A3/ru active

Also Published As

Publication number	Publication date
IT7868483A0 (it)	1978-06-23
DD138314A5 (de)	1979-10-24
BR7804465A (pt)	1979-03-20
SU1264840A3 (ru)	1986-10-15
FR2397396B1 (da)	1980-01-18
IE47024B1 (en)	1983-11-30
PT68171A (fr)	1978-07-01
JPS612057B2 (da)	1986-01-22
DK154426B (da)	1988-11-14
US4216063A (en)	1980-08-05
FR2397396A1 (fr)	1979-02-09
DK154426C (da)	1989-04-10
EP0000463A1 (fr)	1979-01-24
AR214462A1 (es)	1979-06-15
IT1111627B (it)	1986-01-13
IE781366L (en)	1979-01-12
DE2861504D1 (en)	1982-02-25
AU522377B2 (en)	1982-06-03
AU3790278A (en)	1980-01-17
EP0000463B1 (fr)	1982-01-06
CA1094090A (fr)	1981-01-20
IN148484B (da)	1981-03-07
ES471637A1 (es)	1979-02-01
JPS5419938A (en)	1979-02-15

Publication	Publication Date	Title
DK205977A (da)	1977-11-13	Fremgangsmade til pyrolysering af affald
DK155733C (da)	1989-09-25	Fremgangsmaade til fremstilling af 4-hydroxy-2-oxo-pyrrolidinderivater
DK349478A (da)	1979-02-10	Fremgangsmaade til fremstilling af oligoimider
DK147422C (da)	1985-02-11	Analogifremgangsmaade til fremstilling af phosphonoacylproliner
DK155279C (da)	1989-07-24	Fremgangsmaade til fremstilling af 4-hydroxy-2-oxo-pyrrolidinderivater
DK152516C (da)	1988-08-01	Fremgangsmaade til propagering af rotavirus
DK142989C (da)	1981-08-31	Fremgangsmaade til fremstilling af furokumariner
DK159377A (da)	1977-10-13	Fremgangsmade til bortskaffelse af affald
DK24580A (da)	1980-07-25	Anordning til demontering af rotorskovle
DK362677A (da)	1979-02-11	Fremgangsmaade til fremstilling af latex
DK158656C (da)	1990-12-03	Fremgangsmaade til denitrosering af n-nitrosaminer
DK265978A (da)	1978-12-18	Fremgangsmaade til fremstilling af substituerede guanidiner
DK103380A (da)	1980-09-13	Fremgangsmaade til femstilling af 9-aminoalkylfluorener
DK310578A (da)	1979-01-13	Fremgangsmaade til genvinding af toluendiisocyanat
DK145877A (da)	1977-10-03	Fremgangsmade til immoblisering af glucoseisomerase
DK151078A (da)	1978-10-07	Fremgangsmaade til fremstilling af cyclobutanoner
DK115378A (da)	1978-09-16	Hovedliste til stensils
DK7278A (da)	1978-07-08	Fremgangsmaade til fremstilling af substituerede oximer
DK424478A (da)	1979-06-28	Fremgangsmaade til fremstilling af en praeget termoplastisk overflade
DK287978A (da)	1978-12-31	Anordning til fiksering af arbejdsstykker
DK31478A (da)	1978-07-23	Fremgangsmaade til fremstilling af aralkylaniliner
DK164878A (da)	1978-10-17	Fremgangsmaade til fremstilling af monochlorpinakolin
DK385478A (da)	1979-03-20	Fremgangsmaade til fremstilling af dibenzocycloocteniminer
DK239080A (da)	1980-12-22	Fremgangsmaade til modificering af azopigmenter
DK147406C (da)	1985-02-11	Analogifremgangsmaade til fremstilling af 7alfa-acylthio-17beta-hydroxy-4-androsten-3-oner

Legal Events

Date	Code	Title	Description
1993-03-29	PBP	Patent lapsed