Triacetyl cellulose film with reduced water transmission property
AssigneeEastman Kodak Company
InventorsWilliam J. Gamble, Joseph L. Lippert
Life of this patent
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Abstract
Disclosed is a triacetyl cellulose film comprising (a) a triphenyl monophosphate compound and (b) an aromatic polyol-bridged polyphosphate compound. Such a film exhibits a reduced rate of water vapor transmission.
Claims29
A triacetyl cellulose film comprising (a) a triphenyl monophosphate compound and (b) an aromatic polyol-bridged polyphosphate compound.
A triacetyl cellulose film comprising (a) an unsubstituted triphenyl phosphate compound and (b) an aromatic diol-bridged polyphosphate compound.
A triacetyl cellulose film comprising a combination plasticizer containing (a) at least 6 wt % of the film of an unsubstituted triphenyl phosphate compound and (b) at least 1 wt % of the film of an aromatic diol-bridged polyphosphate compound.
Dependencies are inferred from the claim text.