PROCESS FOR PRODUCTION OF ISOCYANATE, ISOCYANATE PRODUCED BY THE PROCESS, AND USE OF THE ISOCYANATE

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)

Application Number:

PCT/JP2006/314417

Publication Date:

January 25, 2007

Filing Date:

July 20, 2006

Export Citation:

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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)

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: