7 eredmények
The present invention relates to magnetic recording media consisting of a nonmagnetic substrate and at least one magnetizable layer which is firmly applied thereon and is based on a magnetic material which essentially consists of ferromagnetic chromium dioxide and is finely dispersed in a polymer
RELATED APPLICATIONS
This is a .sctn.371 of International Application No. PCT/JP2011/004123, with an international filing date of Jul. 21, 2011 (WO 2012/011286 A1, published Jan. 26, 2012), which is based on Japanese Patent Application No. 2010-165380, filed Jul. 22, 2010, the subject matter of
TECHNICAL FIELD
The present invention relates to a process for producing 2-chloro-3,3,3-trifluoropropene.
BACKGROUND ART
2-Chloro-3,3,3-trifluoropropene (HCFO-1233xf) represented by the chemical formula: CF.sub.3CCl.dbd.CH.sub.2 is a useful compound as an intermediate for producing various
TECHNICAL FIELD
The present invention relates to a process for producing 2-chloro-3,3,3-trifluoropropene.
BACKGROUND ART
2-Chloro-3,3,3-trifluoropropene (HCFO-1233xf) represented by the chemical formula: CF.sub.3CCl.dbd.CH.sub.2 is a useful compound as an intermediate for producing various
1. BACKGROUND OF THE INVENTION
Copper alloy rocket engine combustion chamber linings have been found to deteriorate when exposed to cyclic reducing/oxidizing (redox) environments which are a consequence of the combustion process. This deterioration, known as blanching, can be characterized by
CROSS-REFERENCE TO RELATED APPLICATIONS
This is the U.S. national phase application under 35 U.S.C. .sctn.371 of International Patent Application No. PCT/JP2007/056011, filed Mar. 23, 2007, and claims the benefit of Japanese Application Nos. 2006-082565, filed Mar. 24, 2006 and 2007-015430 filed
TECHNICAL FIELD
The present invention relates to a pure titanium substrate for industrial use or a titanium alloy substrate that is used for a separator of a polymer electrolyte fuel cell with low contact resistance, the polymer electrolyte fuel cell being used for automobiles that operate by using