CELLULOSE ESTER FILM

摘要

PROBLEM TO BE SOLVED: To obtain a cellulose ester film excellent in moisture permeability and dimensional stability as a primary assignment and to obtain a cellulose ester film good at peelability in production thereof and excellent in moisture permeability and dimensional stability as a secondary assignment. SOLUTION: This cellulose film is characterized by having larger content of additives in its surface part than its internal part.