Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
VINYLIDENE FLUORIDE POLYMER POWDER AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2009/047969
Kind Code:
A1
Abstract:
Disclosed are: a powder of a vinylidene fluoride polymer having a high molecular weight, which is excellent in the solubility in an organic solvent and is useful as an electrode binder for a non-aqueous battery; an NMP solution; and a method for producing an electrode mix. Specifically disclosed is a vinylidene fluoride polymer powder which is produced by using a vinylidene fluoride polymer that is produced by the supercritical suspension polymerization in an aqueous dispersion medium, in which the volume of pores each having a pore diameter of 0.03 to 1.0 μm inclusive makes up 77 to 93 vol% inclusive of the total pore volume as measured on a mercury porosimeter, and which has an inherent viscosity of 2.0 dl/g or more.

More Like This:
Inventors:
SAKUMA MITSUYASU (JP)
SATO HIROSHI (JP)
MIYAHARA MICHIHISA (JP)
HORIE KATSUO (JP)
SAKABE HIROSHI (JP)
Application Number:
PCT/JP2008/066927
Publication Date:
April 16, 2009
Filing Date:
September 12, 2008
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KUREHA CORP (JP)
SAKUMA MITSUYASU (JP)
SATO HIROSHI (JP)
MIYAHARA MICHIHISA (JP)
HORIE KATSUO (JP)
SAKABE HIROSHI (JP)
International Classes:
C08F2/18; C08F14/22; H01M4/62; H01M10/052; H01M10/36
Foreign References:
JPS59174605A1984-10-03
JPS4817388B11973-05-29
JP2005310747A2005-11-04
JPH0673135A1994-03-15
JPS4219333B1
Other References:
See also references of EP 2196479A4
Attorney, Agent or Firm:
ONO, Shinjiro et al. (Section 206 New Ohtemachi Bldg.,2-1, Ohtemachi 2-chom, Chiyoda-ku Tokyo 04, JP)
Download PDF: