abstract |
This coating liquid for a gas barrier contains an ammonium salt (A) of a polymer having a carboxyl group, a particulate multivalent metal compound (B), and water, the content of the multivalent metal compound (B) being 0.5-2.0 times the chemical equivalent of the ammonium salt (A), and the average particle diameter of the multivalent metal compound (B) being 4 µm or less. |