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Adhesive skin patch and method for evaluation of adhesive skin patch
Adhesive skin patch and method for evaluation of adhesive skin patch
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机译:粘性皮肤贴剂和评价粘性皮肤贴剂的方法
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摘要
Disclosed is an adhesive skin patch having an SIS block copolymer as an adhesive component, which has an improved handling property and can reduce irritation to a user. The adhesive skin patch comprises a flexible substrate and an adhesive layer laminated on the substrate, wherein the adhesive layer comprises a styrene-isoprene-styrene block copolymer. In the adhesive skin patch, the tan δ value of the adhesive agent as determined by measuring a dynamic viscoelasticity at 32° C. satisfies a requirement represented by the following formula 1 at at least one frequency laying between 0.04 to 0.25 Hz. 0.25x+0.05≦y≦0.25x+0.10 (formula 1) [wherein x represents a frequency (Hz); and y represents a tan δ value.]
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