Patent ID: 8246880
Filing Date: 2012-08-21
Classification: B29C,B29K,C08B,C08J,C08K,C08L,C09K,G02B

Abstract:
1. A method of producing a cellulose ester film comprising the steps of: melting a film forming material comprising the following A to C; and melt casting the melted film forming material, A: a cellulose ester resin; B: an ester compound obtained by condensing a polyalcohol and an organic acid represented by Formula (1); and C: an aliphatic polyester or an aliphatic-aromatic co-polyester, wherein R 1 - R 5 each represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, an alkoxy group, a cyclo alkoxy group, an aryloxy group, an aralkyloxy group, an acyl group, a carbonyloxy group, an oxycarbonyl group or an oxycarbonyloxy group, wherein each of these groups may further have a substituent; and L represents a linkage group representing a substituted or unsubstituted alkylene group, an oxygen atom or a bond.