Title:
セルロースエステルフィルムの製造方法
Document Type and Number:
Japanese Patent JP5050307
Kind Code:
B2
Abstract:
Disclosed is a method of manufacturing a cellulose ester film according to a solution casting film manufacturing process comprising the steps of casting a cellulose ester dope on a support to form a film on the support, peeling the film from the support, drying the peeled film, and winding the dried film around a take-up spool, wherein the following relationship is satisfied:-4%<=MD-TD<=4%wherein MD is represented by the following formula: MD=(transporting speed of film at the time when the film is wound around the take-up spool/transporting speed of film on the support-1)x100(%), and TD is represented by the following formula: TD=(width of film at the time when the film is wound around the take-up spool/width of film immediately before peeled from the support-1)x100(%)
Inventors:
Keisuke Nagashima
Application Number:
JP2001295567A
Publication Date:
October 17, 2012
Filing Date:
September 27, 2001
Export Citation:
Assignee:
Konica Minolta Holdings Co., Ltd.
International Classes:
B29C41/28; G02B5/30; B29C41/24; B29C41/52; B29C55/08; B29D7/01; C08J5/18; B29K1/00; B29L7/00; C08L1/10
Domestic Patent References:
| JP62115035A | ||||
| JP11221833A | ||||
| JP2000352620A | ||||
| JP2001249223A | ||||
| JP62046626A | ||||
| JP2000154261A |
Attorney, Agent or Firm:
Norihiko Hibi
Einosuke Kishimoto
Akira Watanabe
Einosuke Kishimoto
Akira Watanabe