FILM-FORMING COMPOSITION CONTAINING TANNIC ACID DERIVATIVES
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Nov 10, 2015
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Nov 11, 2014
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Abstract
The invention provides a film-forming composition containing a tannic acid derivative in which hydrogen atoms in at least some of hydroxyl groups of tannic acid are substituted by a chain hydrocarbon group having 3 to 18 carbon atoms. The film-forming composition of the invention can provide a good enough film on a variety of substrate materials, having improved effects on rust prevention or the like.
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