THERMOSENSITIVE SELF-ADHESIVE MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide a thermosensitive self-adhesive material which is superior in blocking property when not active and which has adequate self-adhesion in a wide temperature range to an adherend with little smoothness such as corrugated fiberboard.

SOLUTION: (1) The thermosensitive self-adhesive material has a thermosensitive self-adhesive layer containing as main components a thermoplastic resin and a thermofusible substance melted by heating at least on one surface of a support, wherein the thermoplastic resin contains as a main component a (meth)acrylic copolymer in which acrylonitrile of a monomer component occupies 5-20% by weight and the glass transition temperature of the copolymer is in the range of (-70)-(-30)°C. (2) In the thermosensitive self-adhesive material, the (meth)acrylic copolymer contains 2-ethyl hexyl acrylate as a main component.

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