| abstract |
(57) [Summary] (Problem corrected) [Problem] A coating composition containing no isocyanate compound having an isocyanate group, melamine, formaldehyde and the like which are harmful to the human body, and harmless to the human body, and gas barrier properties Provide excellent coating film. SOLUTION: (a) (R 1 ) n Si (OR 2 ) 4-n (wherein, R 1 represents a monovalent organic group having 1 to 10 carbon atoms; 2 represents an alkyl group having 1 to 5 carbon atoms or an acyl group having 1 to 6 carbon atoms, wherein n is an integer of 0 to 3), a hydrolyzate of the organosilane and an organosilane represented by the following formula: At least one selected from the group of condensates, And (b) an organosiloxane oligomer having an SiO bond and having a weight average molecular weight in terms of polystyrene of 3,000 to 50,000, and a gas barrier coating composition on a synthetic resin film. A gas barrier coating film on which a coating film to be formed is laminated. |