Patent ID: 6828017
Filing Date: 2004-12-07
Classification: C09J,Y10S,Y10T

Abstract:
A heat-sensitive adhesive material comprising a substrate and a heat-sensitive adhesive layer provided thereon and having one of the following properties (a) and (b):(a) the heat-sensitive adhesive layer, when thermally activated, exhibits an adhesive strength in the range of 1800-3500 gf/40 mm at 0-10Â° C.; (b) the heat-sensitive adhesive layer, when thermally activated, exhibits a scratch resistance in the range of 150-500 gf at 0Â° C, wherein the heat-sensitive adhesive layer comprises a thermoplastic resin, a solid plasticizer and a supercooling improving agent being in the form of particles having an average particle diameter of 0.2-10 &mgr;m and such a particle distribution that at least 90% by weight thereof have a particle diameter of not greater than 20.0 &mgr;m.