ES2061293T3 - Procedimiento para el acondicionamiento y/o purificacion de isocianatos organicos. - Google Patents
Procedimiento para el acondicionamiento y/o purificacion de isocianatos organicos.Info
- Publication number
- ES2061293T3 ES2061293T3 ES92105102T ES92105102T ES2061293T3 ES 2061293 T3 ES2061293 T3 ES 2061293T3 ES 92105102 T ES92105102 T ES 92105102T ES 92105102 T ES92105102 T ES 92105102T ES 2061293 T3 ES2061293 T3 ES 2061293T3
- Authority
- ES
- Spain
- Prior art keywords
- conditioning
- procedure
- organic isocyanates
- purification
- isocyanates
- 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 - Lifetime
Links
- 239000012948 isocyanate Substances 0.000 title abstract 5
- 150000002513 isocyanates Chemical class 0.000 title abstract 5
- 230000003750 conditioning effect Effects 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 238000000746 purification Methods 0.000 title abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
PROCEDIMIENTO PARA ACONDICIONADO Y/O DEPURACION DE ISOCIANATOS ORGANICOS. UN PROCEDIMIENTO PARA EL ACONDICIONADO Y/O DEPURACION DE ISOCIANATOS ORGANICOS, POR EL CUAL SE MEZCLAN ISOCIANATOS ORGANICOS, A 20 HASTA 150 (GRADOS) C CON 0,001 HASTA 1 % EN MOLES REFERIDO A LA CANTIDAD DE ISOCIANATO, CON UN ACIDO SILILADO Y, EN SU CASO, LA MEZCLA ASI OBTENIDA, DESPUES DE UNA DURACION DE AL MENOS 5 MINUTOS, SE SOMETE A UN PROCESO DE DESTILACION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4111212A DE4111212A1 (de) | 1991-04-06 | 1991-04-06 | Verfahren zur konditionierung und/oder reinigung von organischen isocyanaten |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2061293T3 true ES2061293T3 (es) | 1994-12-01 |
Family
ID=6428994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES92105102T Expired - Lifetime ES2061293T3 (es) | 1991-04-06 | 1992-03-25 | Procedimiento para el acondicionamiento y/o purificacion de isocianatos organicos. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5260481A (es) |
EP (1) | EP0508216B1 (es) |
JP (1) | JP3226597B2 (es) |
KR (1) | KR100211850B1 (es) |
AT (1) | ATE112551T1 (es) |
BR (1) | BR9201194A (es) |
CA (1) | CA2064929C (es) |
DE (2) | DE4111212A1 (es) |
ES (1) | ES2061293T3 (es) |
MX (1) | MX9201429A (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59307463D1 (de) * | 1992-12-17 | 1997-11-06 | Bayer Ag | Verfahren zur Konditionerung und Stabilisierung von Polyolen |
JP4247735B2 (ja) * | 2002-09-10 | 2009-04-02 | 日本ポリウレタン工業株式会社 | ポリメチレンポリフェニレンポリイソシアネートの着色低減方法 |
CN101415671A (zh) * | 2006-03-30 | 2009-04-22 | 日本聚氨酯工业株式会社 | 二苯基甲烷系异氰酸酯组合物 |
DE102006061536A1 (de) * | 2006-12-27 | 2008-07-03 | Bayer Materialscience Ag | Verfahren zur Konditionierung von Isocyanaten |
EP3336118A1 (de) | 2017-09-20 | 2018-06-20 | Basf Se | Farbstabile härterzusammensetzungen enthaltend polyisocyanate (cyclo)aliphatischer diisocyanate |
EP3336117A1 (de) | 2017-09-20 | 2018-06-20 | Basf Se | Verfahren zur herstellung von in lösungsmitteln flockulationsstabilen polyisocyanaten von (cyclo)aliphatischen diisocyanaten |
EP3967718A1 (de) * | 2020-09-11 | 2022-03-16 | Evonik Operations GmbH | Verfahren zur herstellung ethylenisch ungesättigter urethangruppen-haltiger verbindungen |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL126380C (es) * | 1964-12-17 | |||
GB1408745A (en) * | 1970-09-23 | 1975-10-01 | Res Ind Inc | Method of recovering pure toluene diisocyanate from a polymeric residue product |
US3759971A (en) * | 1971-01-20 | 1973-09-18 | Jefferson Chem Co Inc | Purification of isocyanates |
DE2837770C2 (de) * | 1978-08-30 | 1982-11-18 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von lagerbeständigen, flüssigen, Carbodiimidgruppen aufweisenden Polyisocyanaten |
US4246187A (en) * | 1979-07-17 | 1981-01-20 | E. I. Du Pont De Nemours And Company | Separation of 2,4-tolylene diisocyanate from mixtures of 2,4- and 2,6-tolylene diisocyanate |
DE3220439A1 (de) * | 1982-05-29 | 1983-12-01 | Bayer Ag, 5090 Leverkusen | Verfahren zur abtrennung von technisch reinem 2,4-diisocyanatotoluol oder von, einen erhoehten gehalt an 2,4-diisocyanatotoluol aufweisenden, isomerengemischen von, im wesentlichen aus 2,4- und 2,6-diisocyanatotoluol bestehenden, isomerengemischen |
DE3329124A1 (de) * | 1983-08-11 | 1985-02-28 | Bayer Ag, 5090 Leverkusen | Verfahren zur reinigung von polyisocyanaten und die so gereinigten polyisocyanate |
US4661627A (en) * | 1986-08-19 | 1987-04-28 | The Dow Chemical Company | Method for scavenging acidic impurities from polymeric isocyanates |
DE3816118A1 (de) * | 1988-05-11 | 1989-11-23 | Bayer Ag | Stabilisierte polyisocyanate |
-
1991
- 1991-04-06 DE DE4111212A patent/DE4111212A1/de not_active Withdrawn
-
1992
- 1992-03-25 ES ES92105102T patent/ES2061293T3/es not_active Expired - Lifetime
- 1992-03-25 EP EP92105102A patent/EP0508216B1/de not_active Expired - Lifetime
- 1992-03-25 DE DE59200584T patent/DE59200584D1/de not_active Expired - Fee Related
- 1992-03-25 AT AT92105102T patent/ATE112551T1/de not_active IP Right Cessation
- 1992-03-30 US US07/860,621 patent/US5260481A/en not_active Expired - Fee Related
- 1992-03-30 MX MX9201429A patent/MX9201429A/es unknown
- 1992-04-02 CA CA002064929A patent/CA2064929C/en not_active Expired - Fee Related
- 1992-04-03 KR KR1019920005574A patent/KR100211850B1/ko not_active IP Right Cessation
- 1992-04-03 JP JP10914392A patent/JP3226597B2/ja not_active Expired - Fee Related
- 1992-04-03 BR BR929201194A patent/BR9201194A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE112551T1 (de) | 1994-10-15 |
EP0508216B1 (de) | 1994-10-05 |
MX9201429A (es) | 1992-10-01 |
EP0508216A1 (de) | 1992-10-14 |
DE4111212A1 (de) | 1992-10-08 |
BR9201194A (pt) | 1992-12-01 |
CA2064929C (en) | 2002-06-11 |
US5260481A (en) | 1993-11-09 |
JPH05117220A (ja) | 1993-05-14 |
KR100211850B1 (ko) | 1999-08-02 |
JP3226597B2 (ja) | 2001-11-05 |
CA2064929A1 (en) | 1992-10-07 |
KR920019804A (ko) | 1992-11-20 |
DE59200584D1 (de) | 1994-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0078991A3 (en) | Process for the preparation of mixed trimers of organic isocyanates, mixed trimers obtained by this process and their use in the preparation of polyurethanes | |
ATE127691T1 (de) | Verwendung von vitamin-d-analoga zur behandlung von akne. | |
BR9500415A (pt) | Mistura de poliisocianatos processo para produção desta mistura e compsição de revestimento | |
ES2035401T3 (es) | Procedimiento para la obtencion de poliisocianatos de isocianurato, los compuestos obtenidos segun este procedimiento y su empleo. | |
MX167809B (es) | Sistema reactor para desperdicios toxicos | |
CA2022097A1 (en) | Method of pre-treating peat for use in biofilters for wastewater treatment and use thereof | |
ES2042272T3 (es) | Procedimiento para la fabricacion de fertilizantes o de sustancias auxiliares para el suelo partiendo de unos componentes organicos o de tipo mineral. | |
ES2061293T3 (es) | Procedimiento para el acondicionamiento y/o purificacion de isocianatos organicos. | |
DE59907222D1 (de) | Verfahren zur herstellung von geschäumten polyisocyanat-polyadditionsprodukten oder polyurethanelastomeren unter verwendung von mischungen enthaltend isocyanate sowie organische und/oder anorganische säureanhydride | |
ES2115267T3 (es) | Compuestos de 26,28-metilen-1alfa,25-dihidroxivitamina d2. | |
ES2129736T3 (es) | Procedimiento en continuo para la fabricacion de isocianatos organicos. | |
ES2037141T3 (es) | Metodo para la preparacion de complejos de estano como catalizadores de endurecimiento. | |
PT96585A (pt) | Processo para prparacao de uma composicao microbiocida para tratamento de telhas de betao | |
DE59501947D1 (de) | Verfahren zur Herstellung von blockierten Isocyanaten, die erhaltenen blockierten Isocyanate und deren Verwendung | |
PE26691A1 (es) | Procedimiento de preparacion de azabencimidazoles, utiles en el tratamiento de asma, artritis y enfermedades relacionadas | |
ES478382A1 (es) | Metodo para descomponer yeso fosforoso o yeso natural. | |
NO913666L (no) | Jordtilsetningsmiddel og fremgangsmaate for dets fremstilling. | |
ES2090842T3 (es) | Catalizador solido de acido fosforico y procedimiento para su preparacion y para su uso. | |
JPS5424854A (en) | Preparation of aromatic urethane compound | |
MX163655B (es) | Procedimiento catalitico para la produccion de poliuretano y composiciones cataliticas para ser usadas en el procedimiento | |
CS258788A2 (en) | Mixture for stone buildings protection,maintenance and restoration | |
JPS6410950A (en) | Elimination of taste and odor of substance rich in amino acid | |
ES2059465T3 (es) | N,n'-bis(trans-4-isocianatociclohexil) urea, procedimiento para su preparacion y uso. | |
JPS52146050A (en) | Process for waste water with high concentration of organic component | |
JPS51111295A (en) | Preparation of polyurethane elastomer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 508216 Country of ref document: ES |