JPS5665857A - Manufacture of arylisocyanate by arylurethane thermal decomposition - Google Patents

Manufacture of arylisocyanate by arylurethane thermal decomposition

Info

Publication number
JPS5665857A
JPS5665857A JP13998680A JP13998680A JPS5665857A JP S5665857 A JPS5665857 A JP S5665857A JP 13998680 A JP13998680 A JP 13998680A JP 13998680 A JP13998680 A JP 13998680A JP S5665857 A JPS5665857 A JP S5665857A
Authority
JP
Japan
Prior art keywords
arylurethane
arylisocyanate
manufacture
thermal decomposition
catalyst
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.)
Granted
Application number
JP13998680A
Other languages
English (en)
Other versions
JPS6360733B2 (ja
Inventor
Merugaa Furantsu
Tobuae Furiidorihi
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of JPS5665857A publication Critical patent/JPS5665857A/ja
Publication of JPS6360733B2 publication Critical patent/JPS6360733B2/ja
Granted 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
    • C07C263/04—Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
JP13998680A 1979-10-20 1980-10-08 Manufacture of arylisocyanate by arylurethane thermal decomposition Granted JPS5665857A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792942543 DE2942543A1 (de) 1979-10-20 1979-10-20 Verfahren zur herstellung von arylisocyanaten durch thermische spaltung von arylurethanen

Publications (2)

Publication Number Publication Date
JPS5665857A true JPS5665857A (en) 1981-06-03
JPS6360733B2 JPS6360733B2 (ja) 1988-11-25

Family

ID=6084022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13998680A Granted JPS5665857A (en) 1979-10-20 1980-10-08 Manufacture of arylisocyanate by arylurethane thermal decomposition

Country Status (4)

Country Link
US (1) US4330479A (ja)
EP (1) EP0028724B1 (ja)
JP (1) JPS5665857A (ja)
DE (2) DE2942543A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57158747A (en) * 1981-03-26 1982-09-30 Asahi Chem Ind Co Ltd Preparation of isocyanate
JPS60231640A (ja) * 1984-05-02 1985-11-18 Asahi Chem Ind Co Ltd イソシアナ−トの連続的製法
EP0555628A3 (en) * 1992-01-10 1995-01-18 Nippon Catalytic Chem Ind Process for preparing isocyanates

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3339300A1 (de) * 1983-10-29 1985-05-09 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von isocyanaten durch thermische spaltung von urethanen
US5773643A (en) * 1987-01-13 1998-06-30 Daicel Chemical Industries, Ltd. Process for preparation of isocyanate compounds
US5914428A (en) * 1987-01-13 1999-06-22 Daicel Chemical Industries, Ltd. Process for preparation of isocyanate compounds
DE3915181A1 (de) * 1989-05-10 1990-11-15 Bayer Ag Verfahren zur herstellung von polyisocyanaten
JPH04221356A (ja) * 1990-12-20 1992-08-11 Mitsubishi Gas Chem Co Inc キシリレンジイソシアネートの製造方法
DE4137428A1 (de) * 1991-11-14 1993-05-19 Bayer Ag Verfahren zur herstellung von polyisocyanaten
US5233010A (en) * 1992-10-15 1993-08-03 Monsanto Company Process for preparing isocyanate and carbamate ester products
US5393910A (en) * 1993-10-20 1995-02-28 Osi Specialties, Inc. Process for making isocyanatoorganosilanes
DE59705128D1 (de) * 1996-03-15 2001-12-06 Bayer Ag Verfahren zur thermischen Spaltung von Carbamidsäureestern
ES2187241B1 (es) * 2000-06-01 2004-08-01 Repsol Quimica, S.A. Procedimiento para la produccion de isocianatos.
SG115512A1 (en) 2001-12-28 2005-10-28 Mitsui Takeda Chemicals Inc Method for producing carbamates and method for producing isocyanates
CN101531618B (zh) * 2009-04-21 2012-07-04 山东润兴化工科技有限公司 一种制备异氰酸酯的方法
CN101530785B (zh) * 2009-04-21 2010-11-03 山东润兴化工科技有限公司 一种用于氨基烷酸酯热解制备异氰酸酯的复合催化剂
KR20120091428A (ko) 2009-12-04 2012-08-17 바스프 에스이 이소시아네이트의 제조 방법
WO2011161029A1 (de) * 2010-06-22 2011-12-29 Basf Se Heterogen katalysierte carbamatspaltung zur synthese von isocyanaten an festen lewis-säuren
CN110467546B (zh) * 2018-05-10 2021-03-19 中国科学院过程工程研究所 一种制备间苯二亚甲基二异氰酸酯的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5119721A (en) * 1974-06-26 1976-02-17 Atlantic Richfield Co Karubameetokarano isoshianeetono seiho
JPS5219624A (en) * 1975-08-07 1977-02-15 Mitsui Toatsu Chem Inc Process for preparation of isocyanates

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919280A (en) * 1974-07-05 1975-11-11 Atlantic Richfield Co Recovery of solvents employed in the production of isocyanates from esters of carbamic acids

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5119721A (en) * 1974-06-26 1976-02-17 Atlantic Richfield Co Karubameetokarano isoshianeetono seiho
JPS5219624A (en) * 1975-08-07 1977-02-15 Mitsui Toatsu Chem Inc Process for preparation of isocyanates

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57158747A (en) * 1981-03-26 1982-09-30 Asahi Chem Ind Co Ltd Preparation of isocyanate
JPH0260662B2 (ja) * 1981-03-26 1990-12-17 Asahi Chemical Ind
JPS60231640A (ja) * 1984-05-02 1985-11-18 Asahi Chem Ind Co Ltd イソシアナ−トの連続的製法
JPH035386B2 (ja) * 1984-05-02 1991-01-25 Asahi Chemical Ind
EP0555628A3 (en) * 1992-01-10 1995-01-18 Nippon Catalytic Chem Ind Process for preparing isocyanates

Also Published As

Publication number Publication date
EP0028724B1 (de) 1984-09-12
EP0028724A1 (de) 1981-05-20
US4330479A (en) 1982-05-18
DE3069168D1 (en) 1984-10-18
JPS6360733B2 (ja) 1988-11-25
DE2942543A1 (de) 1981-05-07

Similar Documents

Publication Publication Date Title
JPS5665857A (en) Manufacture of arylisocyanate by arylurethane thermal decomposition
ATE203235T1 (de) Synthetisches chrom enthaltendes glukosetoleranzfaktor-material und dessen herstellung
FI854502A (fi) Foerfarande foer behandling av kol innehaollande avfall och biomassa.
YU88283A (en) Process for obtaining hypoglycemic 5-substituted oxazolidine 2,4-diones
ZA807592B (en) Process for producing methanol from synthesis gas with palladiumcalcium catalysts
ZA859790B (en) Improvements in or relating to a process of methane production by means of a thioresistant catalyst and catalyst for carrying out this process
ES2084020T3 (es) Proceso y catalizador para preparar 2,2'-bipiridilos.
JPS56103153A (en) Urethane manufacture
PH15680A (en) Process for the manufacture of 1,2,3-thiadiazol-5-yl ureas
Taylor et al. Process industry production and inventory planning framework: a summary
EP0239904A3 (en) Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachloropyridine in the gas phase
BR9106651A (pt) Processo aperfeicoados e catalisadores para a preparacao de 2,2'-bipiridilas
GB2168712B (en) 1:2 metal complex dyes and use thereof for dyeing polyamide-containing material
DE3064625D1 (en) Process for the preparation of alkyl benzenes
ATE63311T1 (de) Metall-isonitril-additionsprodukte fuer die herstellung von radionukleidkomplexen.
GB2054585B (en) Process for producing methylhydrazines
JPS5540699A (en) Manufacture of 22vinylpyridine
JPS5219606A (en) Method of producing isopropanol in vapor phase
EG14167A (en) Process for preparing of 1,2,3-thiadiazol-5-yl ureas
ES8306104A1 (es) "un procedimiento mejorado para la preparacion de urea".
Egorov et al. Structure Change of Low-Carbon Steels as a Function of Heating Temperature
DE3062635D1 (en) A process for preparing 3-(3,5-di-tert. alkyl-4-hydroxyphenyl)-2,2-di substituted prionaldehydes
PT71000A (en) Process for the production of 1,2-diacylamino-1,2-di(4-pirydil)-ethanes
Sebek et al. Material Closed Loops of Chromium
GB1209043A (en) Process for the preparation of imino-thiazolidines