Patent ID: 7811661
Filing Date: 2010-10-12
Classification: B41M,C09J,Y10T

Abstract:
1. A heat-sensitive adhesive material, comprising: a support, an underlayer, and a heat-sensitive adhesive layer, in this order, wherein the underlayer comprises a thermoplastic resin and a hollow filler, and the glass transition temperature of the thermoplastic resin is within a range from −70° C. up to but excluding 0° C., wherein the hollow filler within the underlayer is spherical hollow particles having a volume average particle diameter of 2.0 μm to 5.0 μm, and hollow ratio of the spherical hollow particles is 70% or higher, and wherein the mass ratio of the hollow filler to the thermoplastic resin (hollow filler:thermoplastic resin) in the underlayer is 1:0.5 to 1:3.0.