DE1568844A1 - Verfahren zur Herstellung von organischen Polyisocyanaten - Google Patents

Verfahren zur Herstellung von organischen Polyisocyanaten

Info

Publication number
DE1568844A1
DE1568844A1 DE19661568844 DE1568844A DE1568844A1 DE 1568844 A1 DE1568844 A1 DE 1568844A1 DE 19661568844 DE19661568844 DE 19661568844 DE 1568844 A DE1568844 A DE 1568844A DE 1568844 A1 DE1568844 A1 DE 1568844A1
Authority
DE
Germany
Prior art keywords
amine
organic
solution
reactor
hydrochloride
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
DE19661568844
Other languages
German (de)
English (en)
Other versions
DE1568844C (enExample
Inventor
Clifford Barbara Helen
Twitchett Harry James
Hincklieff Henry Russell
Luckman Peter Bernard Shaw
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE1568844A1 publication Critical patent/DE1568844A1/de
Application granted granted Critical
Publication of DE1568844C publication Critical patent/DE1568844C/de
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
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19661568844 1965-06-03 1966-06-03 Verfahren zur Herstellung von organischen Polyisocyanaten Granted DE1568844A1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB2374165A GB1146664A (en) 1965-06-03 1965-06-03 Process for the manufacture of organic isocyanates
GB2374165 1965-06-03
GB727666 1966-02-18
GB727666 1966-02-18
DEJ0030989 1966-06-03

Publications (2)

Publication Number Publication Date
DE1568844A1 true DE1568844A1 (de) 1970-07-16
DE1568844C DE1568844C (enExample) 1973-01-11

Family

ID=26241309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19661568844 Granted DE1568844A1 (de) 1965-06-03 1966-06-03 Verfahren zur Herstellung von organischen Polyisocyanaten

Country Status (3)

Country Link
DE (1) DE1568844A1 (enExample)
GB (1) GB1146664A (enExample)
NL (2) NL6607781A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549991A (en) * 1982-10-09 1985-10-29 Chemische Werke Huls Aktiengesellschaft Process for continuous hot phosgenation of amines

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH068269B2 (ja) * 1984-06-01 1994-02-02 三井東圧化学株式会社 ヘキサメチレンジイソシアネ−トの製造方法
US4922005A (en) * 1985-11-13 1990-05-01 Mitsui Toatsu Chemicals, Incorporated Preparation process of hexamethylene
CN101203488B (zh) 2005-07-22 2011-12-14 三井化学株式会社 异氰酸酯的制造方法、由该方法得到的异氰酸酯及其用途
CN106232574A (zh) * 2014-04-23 2016-12-14 巴斯夫欧洲公司 在作为溶剂的碳酸二烷基酯中制备异氰酸酯的方法
CN105218422B (zh) * 2015-10-16 2017-03-22 万华化学集团股份有限公司 一种异氰酸酯的制备方法
CN106496072A (zh) * 2016-09-27 2017-03-15 江苏嘉隆化工有限公司 一种mdi的制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549991A (en) * 1982-10-09 1985-10-29 Chemische Werke Huls Aktiengesellschaft Process for continuous hot phosgenation of amines

Also Published As

Publication number Publication date
GB1146664A (en) 1969-03-26
NL6607781A (enExample) 1966-12-05
NL129422C (enExample)

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee