Dic Corporation

Mai Hasebe

Yusuke Takahashi

Hideaki Takei

Yukie Uemura

Kumiko Karasawa

An adhesive tape including an adhesive layer is provided. The adhesive layer has a biobased content of 50% or more by mass. The adhesive layer contains a reaction product of a urethane resin (A) and a cross-linking agent (B). The urethane resin (A) contains at least a structural unit derived from a biobased polyether polyol and a structural unit derived from an aromatic polyisocyanate. The adhesive layer has a gel fraction of 10% or more by mass and 80% or less by mass and a stress of less than 50 N/cmat 100% strain in a stress-strain curve.

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Saitama, Japan

Mai Hasebe