Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Koju Ito0
Hidekazu Yamazaki0
Date of Patent
January 18, 2011
Patent Application Number
11659478
Date Filed
August 3, 2005
Patent Primary Examiner
Patent abstract
A polymer solution (21) is prepared by dissolving poly-.ε.-caprolactone and amphipathic polyacrylamide in an organic solvent. The polymer solution (21) is cast from a casting die (25) onto a casting belt (26) to form a casting film (40). Air (35) from a blowing and suctioning device (34) is sent to the casting film (40) to generate droplets (44). The relative speed of drying air (37) to the moving speed of the casting belt (26) is adjusted at 5 m/min in parallel flow. The water in the drying air (37) is condensed in the casting film (40) to form the droplets (44). The droplets (44) are evaporated after evaporating the organic solvent in the casting film (40), so that a honeycomb-structure film (12) can be obtained.
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