ES438221A1 - Procedimiento para purificar isocianatos organicos. - Google Patents

Procedimiento para purificar isocianatos organicos.

Info

Publication number
ES438221A1
ES438221A1 ES438221A ES438221A ES438221A1 ES 438221 A1 ES438221 A1 ES 438221A1 ES 438221 A ES438221 A ES 438221A ES 438221 A ES438221 A ES 438221A ES 438221 A1 ES438221 A1 ES 438221A1
Authority
ES
Spain
Prior art keywords
organic isocyanate
purification
organic isocyanates
mercaptobenzothiazol
thio
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
Application number
ES438221A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumika Covestro Urethane Co Ltd
Original Assignee
Sumitomo Bayer Urethane Co Ltd
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 Sumitomo Bayer Urethane Co Ltd filed Critical Sumitomo Bayer Urethane Co Ltd
Publication of ES438221A1 publication Critical patent/ES438221A1/es
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES438221A 1974-06-04 1975-06-04 Procedimiento para purificar isocianatos organicos. Expired ES438221A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6359274A JPS5337852B2 (es) 1974-06-04 1974-06-04

Publications (1)

Publication Number Publication Date
ES438221A1 true ES438221A1 (es) 1977-01-01

Family

ID=13233681

Family Applications (1)

Application Number Title Priority Date Filing Date
ES438221A Expired ES438221A1 (es) 1974-06-04 1975-06-04 Procedimiento para purificar isocianatos organicos.

Country Status (8)

Country Link
US (1) US4065362A (es)
JP (1) JPS5337852B2 (es)
BE (1) BE829714A (es)
BR (1) BR7503491A (es)
DE (1) DE2524045A1 (es)
ES (1) ES438221A1 (es)
FR (1) FR2273799A1 (es)
GB (3) GB1481756A (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2846814A1 (de) * 1978-10-27 1980-05-08 Bayer Ag Suspensionen von isocyanat-destillationsrueckstaenden in polyolen
DE2846815A1 (de) * 1978-10-27 1980-05-08 Ayer Ag Verfahren zur aufarbeitung von isocyanat-destillationsrueckstaenden
DE3440912A1 (de) * 1984-11-09 1986-05-15 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von waermefarbbestaendigen aliphatischen und/oder cycloaliphatischen diisocyanaten und ihre verwendung zur herstellung von farbverbesserten, modifizierten polyisocyanaten
US4677154A (en) * 1985-12-18 1987-06-30 Basf Corporation Stabilizer package for polyurethane comprising a substituted cresol and another costabilizer
DE4142769A1 (de) * 1991-12-23 1993-06-24 Bayer Hispania Ind S A Verfahren zur herstellung von isocyanaten und aufarbeitung des rueckstandes
BRPI0412529B1 (pt) * 2003-07-14 2015-11-24 Rhodia composições para estabilização de cor e método para produção das mesmas

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055078A (en) * 1957-07-05 1962-09-25 William W Mcelrath Machine for processing non-shrinking fibrous materials
US2957903A (en) * 1959-03-24 1960-10-25 Du Pont Stabilization of organic isocyanates
US3458558A (en) * 1963-10-25 1969-07-29 Allied Chem Purification of isocyanates by reducing the hydrolyzable chlorine content
GB1192859A (en) * 1967-12-28 1970-05-20 Takeda Chemical Industries Ltd A Stabilised Isocyanate Composition
US3715381A (en) * 1969-06-11 1973-02-06 Allied Chem Polyisocyanate compositions stabilized against discoloration
GB1384065A (en) * 1971-11-30 1975-02-19 Ici Ltd Process for the purification of organic isocyanates

Also Published As

Publication number Publication date
GB1481755A (en) 1977-08-03
US4065362A (en) 1977-12-27
DE2524045A1 (de) 1975-12-18
FR2273799B1 (es) 1979-01-19
JPS5337852B2 (es) 1978-10-12
GB1481756A (en) 1977-08-03
FR2273799A1 (fr) 1976-01-02
BR7503491A (pt) 1976-05-25
JPS50154210A (es) 1975-12-12
BE829714A (fr) 1975-12-01
GB1481757A (en) 1977-08-03

Similar Documents

Publication Publication Date Title
DE2110388C3 (de) Verfahren zur Herstellung von 2-Methylen- und 2-Methyl- A3 - cephalosporinverbindungen und deren Sulfoxiden
ES441478A1 (es) Procedimiento para la obtencion de laminas elasticas.
ES437487A1 (es) Procedimiento para bajar la acidez y el contenido del cloru-ro hidrolizable de un polimetileno polifenil poliisocianato.
ES438221A1 (es) Procedimiento para purificar isocianatos organicos.
ES463106A1 (es) Un metodo para la produccion de 2,4, 6-tri-(3,5-butilo di- terciario -4-hidroxibencil)-mesitileno.
ES8104139A1 (es) Un procedimiento para la purificacion de acido fosforico
DD153329A1 (de) Verfahren zur regenerierung eines rhodiumhaltigen katalysators
US2662095A (en) Dimethyl-phosphoric acid amide and its production
ATE107678T1 (de) Verfahren zur behandlung einer metallischen bewehrung, um ihre haftung bei einem mischkörper auf kautschukbasis zu verbessern und zur herstellung eines gegenstandes mit einer solchen bewehrung, bewehrungen und gegenstände, hergestellt nach diesen verfahren.
ES442261A1 (es) Procedimiento para la obtencion de halogenoantraquinonas.
SE8405077D0 (sv) Forfarande for utvinning av arseniktrioxid
DE1297590B (de) Verfahren zur Herstellung von Dekandicarbonsaeure
US2346202A (en) Production of isocyanic acid esters
GB2008114A (en) A method of purifying crude p-toluic acid
DE58900839D1 (de) Verfahren und vorrichtung zum auswaschen von verunreinigungen aus rohgasen.
US850010A (en) Process of purifying acetylene gas.
EP0247456B1 (de) Verfahren zur Reinigung von 1-Amino-5-hydroxynaphthalin enthaltendem 1,5-Diaminonaphthalin
US1956248A (en) Sulphurated base
KR950013320B1 (ko) 톨루엔을 이용하는 유기화합물 합성 공정 폐수의 처리방법
SU374326A1 (ru) ^ВСЕСОЮЗНАЯИАТЕьт;:е.и?crag1ЙВ7-'ill '*^"«- I'lD/Ti
GB1017447A (en) Purification of pyrrolidone
DE1134973B (de) Verfahren zur Herstellung von hochreinen Siliciumhalogeniden
GB976161A (en) Manufacture of polyamides
DE738565C (de) Verfahren zur Herstellung von Abkoemmlingen von Sulfonen
ES378040A1 (es) Procedimiento para la fabricacion de acido borico.