12.07.04
Patented is a heat-sensitive adhesive composition made of a thermoplastic resin, a solid plasticizer and a supercooling improving agent. The supercooling improving agent is in the form of particles having an average particle diameter of 0.2-10 Ìm and such a particle size distribution that at least 90% by weight have a particle diameter of not greater than 20.0 Ìm.