Title:
PROCESS FOR PRODUCTION OF ISOCYANATE, ISOCYANATE PRODUCED BY THE PROCESS, AND USE OF THE ISOCYANATE
Document Type and Number:
WIPO Patent Application WO/2007/010996
Kind Code:
A1
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 CHITOSHI (JP)
MORIJIRI HIROYUKI (JP)
HAYASHI HIDETOSHI (JP)
FUKATSU NORIHIKO (JP)
KOBAYASHI SEIICHI (JP)
YUMOTO HOMARE (JP)
ISHIYAMA JUNICHI (JP)
TSUCHIYAMA SHINYA (JP)
MORIJIRI HIROYUKI (JP)
HAYASHI HIDETOSHI (JP)
FUKATSU NORIHIKO (JP)
KOBAYASHI SEIICHI (JP)
YUMOTO HOMARE (JP)
ISHIYAMA JUNICHI (JP)
TSUCHIYAMA SHINYA (JP)
Application Number:
PCT/JP2006/314417
Publication Date:
January 25, 2007
Filing Date:
July 20, 2006
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
SHIMAKAWA CHITOSHI (JP)
MORIJIRI HIROYUKI (JP)
HAYASHI HIDETOSHI (JP)
FUKATSU NORIHIKO (JP)
KOBAYASHI SEIICHI (JP)
YUMOTO HOMARE (JP)
ISHIYAMA JUNICHI (JP)
TSUCHIYAMA SHINYA (JP)
SHIMAKAWA CHITOSHI (JP)
MORIJIRI HIROYUKI (JP)
HAYASHI HIDETOSHI (JP)
FUKATSU NORIHIKO (JP)
KOBAYASHI SEIICHI (JP)
YUMOTO HOMARE (JP)
ISHIYAMA JUNICHI (JP)
TSUCHIYAMA SHINYA (JP)
International Classes:
C07C263/10; C07C209/00; C07C211/18; C07C211/27; C07C211/39; C07C211/62; C07C211/63; C07C265/14; C08G18/70
Foreign References:
JP2003286241A | 2003-10-10 | |||
JPH07233137A | 1995-09-05 | |||
JPH07309827A | 1995-11-28 |
Other References:
See also references of EP 1908749A4
Attorney, Agent or Firm:
HAYAMI, Shinji et al. (2-17-16 Ebisu-Nish, Shibuya-ku Tokyo 21, JP)
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