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AssigneesJsr Corporation, Dainippon Printing Co., LTD (DNP)
InventorsSatoshi Ishikawa, Hiroshi Shiho, Hiroshi Yamamoto, Takuya Yamazaki, Hideki Izawa
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A gas barrier coating composition which undergoes no decrease in barrier properties to gases such as oxygen and water vapor even under high-humidity conditions, contains no compounds thought to be harmful to the human body, and is harmless to the human body; and a gas barrier coating film with excellent gas barrier properties comprising the composition. The gas barrier coating composition comprises (a) a polyvinyl alcohol resin and (b) at least one member selected from the group consisting of a specific metal alcoholate, a hydrolysate of the metal alcoholate, a condensate of the metal alcoholate, a chelate compound of the metal alcoholate, a hydrolysate of the chelate compound and an acylated metal compound. The coating film obtained from the composition has excellent gas barrier properties.
A coating composition comprising (a) ethylene-vinyl alcohol copolymer having a melt flow index of 1 to 50 g/10 minutes under the conditions of 210° C. and a load of 21.168 N and (b) at least one member selected from the group consisting of a condensate of a titanium alcoholate, a chelate compound of a titanium alcoholate, a hydrolysate of a chelate of a titanium compound and a titanium acylate, wherein said titanium alcoholate is of the formula:
Dependencies are inferred from the claim text.