Title:
イソシアナートの製造方法、およびアミン塩酸塩の製造方法
Document Type and Number:
Japanese Patent JP4861322
Kind Code:
B2
Abstract:
An isocyanate has been widely used as a starting material for the production of a polyurethane material, a polyisocyanurate material or the like which is suitably applicable to the field of optical materials. Disclosed is a process for producing an isocyanate which includes a step for producing the isocyanate in the form of a hydrochloride with improved productivity. A process for producing a linear or cyclic aliphatic isocyanate comprising the step of reacting a linear or cyclic aliphatic amine with hydrogen chloride to yield a hydrochloride of the linear or cyclic aliphatic amine, the step being performed under a pressure higher by 0.01 MPa or more than the atmospheric pressure.
Inventors:
Shimakawa Millennium
Hiroyuki Morijiri
Hidetoshi Hayashi
Fukatsu Norihiko
Seiichi Kobayashi
Yumoto Honor
Junichi Ishiyama
Shinya Tsuchiyama
Hiroyuki Morijiri
Hidetoshi Hayashi
Fukatsu Norihiko
Seiichi Kobayashi
Yumoto Honor
Junichi Ishiyama
Shinya Tsuchiyama
Application Number:
JP2007526055A
Publication Date:
January 25, 2012
Filing Date:
July 20, 2006
Export Citation:
Assignee:
Mitsui Chemicals, Inc.
International Classes:
C07C263/10; C07C209/00; C07C209/68; C07C211/63; C07C265/14; C08G18/72
Domestic Patent References:
| JP2003286241A | 2003-10-10 | |||
| JPH07233137A | 1995-09-05 | |||
| JPH07309827A | 1995-11-28 | |||
| JPH03204851A | 1991-09-06 | |||
| JPH037253A | 1991-01-14 | |||
| JP2004244377A | 2004-09-02 |
Attorney, Agent or Firm:
Shinji Hayami
Koji Sato
Koji Sato