| abstract |
The present invention provides a composition for an aqueous coating liquid that can be dried efficiently when a coating is made from an aqueous composition containing a polymer of N-vinyl amide carboxylate.nThe composition for an aqueous coating solution contains at least a copolymer of N-vinyl carboxylate monomer and unsaturated carboxylic acid salt monomer and water, the aforementioned N-vinyl carboxylate monomer and the aforementioned non- The molar ratio of the monomers of the saturated carboxylic acid salt is 7.0:93.0-93.0:7.0, and the weight average molecular weight of the aforementioned copolymer is 15,000-2,500,000. |