JPH0260662B2 - - Google Patents

Info

Publication number
JPH0260662B2
JPH0260662B2 JP56043231A JP4323181A JPH0260662B2 JP H0260662 B2 JPH0260662 B2 JP H0260662B2 JP 56043231 A JP56043231 A JP 56043231A JP 4323181 A JP4323181 A JP 4323181A JP H0260662 B2 JPH0260662 B2 JP H0260662B2
Authority
JP
Japan
Prior art keywords
ester
catalyst
acid
esters
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
Application number
JP56043231A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57158747A (en
Inventor
Shinsuke Fukuoka
Masazumi Chono
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.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry 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 Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP56043231A priority Critical patent/JPS57158747A/ja
Publication of JPS57158747A publication Critical patent/JPS57158747A/ja
Publication of JPH0260662B2 publication Critical patent/JPH0260662B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
JP56043231A 1981-03-26 1981-03-26 Preparation of isocyanate Granted JPS57158747A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56043231A JPS57158747A (en) 1981-03-26 1981-03-26 Preparation of isocyanate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56043231A JPS57158747A (en) 1981-03-26 1981-03-26 Preparation of isocyanate

Publications (2)

Publication Number Publication Date
JPS57158747A JPS57158747A (en) 1982-09-30
JPH0260662B2 true JPH0260662B2 (enrdf_load_stackoverflow) 1990-12-17

Family

ID=12658131

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56043231A Granted JPS57158747A (en) 1981-03-26 1981-03-26 Preparation of isocyanate

Country Status (1)

Country Link
JP (1) JPS57158747A (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59153962U (ja) * 1983-03-31 1984-10-16 三菱重工業株式会社 折機
EP0323514B1 (en) * 1987-01-13 1994-07-13 Daicel Chemical Industries, Ltd. Process for preparing isocyanate compounds
JPH0780830B2 (ja) * 1987-01-13 1995-08-30 ダイセル化学工業株式会社 イソシアネート化合物の製造方法
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
JP3083039B2 (ja) * 1994-03-18 2000-09-04 三菱瓦斯化学株式会社 イソシアネート類の製造方法
CN101066978A (zh) * 2007-06-01 2007-11-07 张家港市华盛化学有限公司 异氰酸酯烷基硅烷的制备方法
CN102276501A (zh) * 2009-12-31 2011-12-14 中国科学院成都有机化学有限公司 一种由芳(烷)基氨基甲酸酯催化分解制备异氰酸酯的方法
JP5643517B2 (ja) * 2010-02-04 2014-12-17 三井化学株式会社 触媒処理方法
US20110313192A1 (en) * 2010-06-22 2011-12-22 Basf Se Heterogeneously catalyzed carbamate dissociation for synthesis of isocyanates over solid lewis acids
CN103687847B (zh) * 2011-07-13 2019-04-02 宇部兴产株式会社 异氰酸酯化合物的制造方法
WO2018212208A1 (ja) 2017-05-15 2018-11-22 旭化成株式会社 イソシアネートの製造方法
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
CN108993501A (zh) * 2018-08-09 2018-12-14 苏州汉力新材料有限公司 一种银-氧化银-氧化锌光催化材料的制备方法
CN110423208A (zh) * 2019-08-15 2019-11-08 中国科学院过程工程研究所 一种二苯甲烷二异氰酸酯的制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919279A (en) * 1974-06-26 1975-11-11 Atlantic Richfield Co Catalytic production of isocyanates from esters of carbamic acids
JPS5219624A (en) * 1975-08-07 1977-02-15 Mitsui Toatsu Chem Inc Process for preparation of isocyanates
JPS6052693B2 (ja) * 1977-12-22 1985-11-20 三菱化学株式会社 カルバミン酸エステルからのイソシアネ−トの製造法
DE2942543A1 (de) * 1979-10-20 1981-05-07 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von arylisocyanaten durch thermische spaltung von arylurethanen

Also Published As

Publication number Publication date
JPS57158747A (en) 1982-09-30

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