| 摘要 |
PROBLEM TO BE SOLVED: To obtain an aqueous coating composition for forming a coating film having excellent low-temperature film-forming properties, water permeation resistance, water permeation resistance, moisture permeation resistance, tack properties, etc. SOLUTION: This aqueous coating composition is an aqueous coating composition containing a vinyl-based resin emulsion. The vinyl-based resin used in the emulsion comprises an alkylene glycol monoalkyl mono (meth)acrylate represented by general formula CH2 =C(R1 )COO(Cn H2n -O)p-R2 (1) (R1 is a hydrogen atom or a methyl group; R2 is a hydrogen atom or a 1-20C alkyl group; n is an integer of 2 or 3; n is an integer of 1-20) as an essential monomer component, as a monomer component constituting the resin.
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