To provide a bactericidal mildewproofing multilayer film which is excellent in adhesiveness with a substrate and adhesiveness between layers, has a small environmental load, and continues exhibiting excellent bactericidal mildewproofing effect over a long time, and to provide a method for forming the multilayer film.
The bactericidal mildewproofing multilayer film is obtained by coating an under coat composition containing an isothiazoline compound and/or a pyrithione compound on a substrate and then coating a top coat composition containing an mildewproofing agent. The bactericidal mildewproofing multilayer film includes an under coat layer containing an isothiazoline compound and/or a pyrithione compound and a top coat layer containing an mildewproofing agent, the top coat layer being formed in contact with the under coat layer or through an intermediate coat layer.
ARAI SHIGEFUMI
OCHI KATSUKI
YABE SHIGEAKI
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