Title:
CELLULOSE ACYLATE FILM
Document Type and Number:
Japanese Patent JP2002187959
Kind Code:
A
Abstract:
To prepare an excellent film using a non-chlorine organic solvent from cellulose acylate recovered and recycled from wastes of silver halide photographic photoreceptor material films comprising cellulose acylate as substrates.
A cellulose acylate film is obtained from a solution wherein cellulose acylate, recovered from waste materials of silver halide photographic photoreceptor materials comprising cellulose acylate as substrates through a peroxide treatment using an aqueous solution of a peroxide (recovery treatment-1) and a halogen oxide compound treatment using an alkaline aqueous solution of a halogen oxide compound (recovery treatment-2), is dissolved in a non-chlorine organic solvent.
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Inventors:
KURAKI YASUO
Application Number:
JP2000386537A
Publication Date:
July 05, 2002
Filing Date:
December 20, 2000
Export Citation:
Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
G03C5/00; B29C41/28; B29C41/32; C08J5/18; C08J11/08; G02B5/30; G03C1/795; G03C11/24; (IPC1-7): C08J5/18; B29C41/28; B29C41/32; C08J11/08; G02B5/30; G03C1/795; G03C5/00; G03C11/24
Attorney, Agent or Firm:
Yasuo Yanagawa