JPS58128354A - 芳香族カルバミン酸エステルからイソシアネ−ト（ウレタン）の製法 - Google Patents

芳香族カルバミン酸エステルからイソシアネ−ト（ウレタン）の製法

Info

Publication number
JPS58128354A
JPS58128354A JP57024279A JP2427982A JPS58128354A JP S58128354 A JPS58128354 A JP S58128354A JP 57024279 A JP57024279 A JP 57024279A JP 2427982 A JP2427982 A JP 2427982A JP S58128354 A JPS58128354 A JP S58128354A
Authority
JP
Japan
Prior art keywords
carbamate
group
catalyst
aromatic
reaction
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.)
Pending
Application number
JP57024279A
Other languages
English (en)
Japanese (ja)
Inventor
ラルフ・ジエイ・スポ−ン
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
Esso Research and Engineering Co
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
Priority claimed from US06/343,584 external-priority patent/US4487713A/en
Application filed by Exxon Research and Engineering Co, Esso Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of JPS58128354A publication Critical patent/JPS58128354A/ja
Pending 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)
JP57024279A 1982-01-28 1982-02-17 芳香族カルバミン酸エステルからイソシアネ−ト（ウレタン）の製法 Pending JPS58128354A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US343584 1982-01-28
US06/343,584 US4487713A (en) 1981-06-26 1982-01-28 Production of isocyanates from esters of aromatic carbamic acids (urethanes)

Publications (1)

Publication Number Publication Date
JPS58128354A true JPS58128354A (ja) 1983-07-30

Family

ID=23346698

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57024279A Pending JPS58128354A (ja) 1982-01-28 1982-02-17 芳香族カルバミン酸エステルからイソシアネ−ト（ウレタン）の製法

Country Status (9)

Country Link
JP (1) JPS58128354A (enExample)
AU (1) AU8054682A (enExample)
BR (1) BR8200861A (enExample)
CA (1) CA1176647A (enExample)
ES (1) ES509683A0 (enExample)
FR (1) FR2520359A1 (enExample)
GB (1) GB2113673B (enExample)
IT (1) IT1147624B (enExample)
NL (1) NL8200630A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3420114A1 (de) * 1984-05-30 1985-12-05 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von uretdiongruppen aufweisenden polyisocyanaten
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
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

Also Published As

Publication number Publication date
AU8054682A (en) 1983-08-04
ES8304927A1 (es) 1983-03-16
IT8247810A0 (it) 1982-02-17
FR2520359B3 (enExample) 1985-02-15
GB2113673B (en) 1986-08-06
CA1176647A (en) 1984-10-23
ES509683A0 (es) 1983-03-16
FR2520359A1 (fr) 1983-07-29
IT1147624B (it) 1986-11-19
BR8200861A (pt) 1983-10-18
NL8200630A (nl) 1983-08-16
GB2113673A (en) 1983-08-10

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