Heat insulated thermosensitive paper

A thermosensitive recording label comprising:

• a substrate;
• a thermosensitive color-forming layer disposed on one side of said substrate, said thermosensitive color-forming layer comprising a colorless or light-colored leuco dye and an acidic substance capable of causing said leuco dye to undergo color formation upon heating of the thermosensitive recording label;
• a heat reflecting layer disposed on another side of said substrate;
• and
• a delayed action adhesive disposed on said heat reflecting layer, said delayed action adhesive becoming tacky upon the application of heat thereto;
• said heat reflecting layer being of sufficient heat reflectance to prevent color formation in the color-forming layer when heat is applied to cause the delayed action adhesive to become tacky.

A thermosensitive recording label comprising:

• a substrate;
• a thermosensitive color-forming layer disposed on one side of said substrate, said thermosensitive color-forming layer comprising a colorless or light-colored leuco dye and an acidic substance capable of causing said leuco dye to undergo color formation upon heating of the thermosensitive recording label;
• a heat reflecting layer disposed on another side of said substrate;
• and
• a delayed action adhesive disposed on said heat reflecting layer, said delayed action adhesive becoming activated to a tacky state when heated to an activation temperature of between about 100.degree. F. and about 300.degree. F.;
• said heat reflecting layer being of sufficient heat reflectance to prevent color formation in the color-forming layer when heat is applied to cause the delayed action adhesive to become tacky.

A method for identifying and/or marking goods comprising the steps of:

• applying a thermosensitive color-forming layer on one side of a substrate;
• applying a heat-reflecting layer on another side of the substrate;
• applying a delayed action adhesive on said heat reflecting layer to form a thermosensitive recording label, said delayed action adhesive becoming activated to a tacky state when heated to a preselected activated temperature;
• heating selected areas of said thermosensitive color-forming layer to form an image thereon for identifying and/or marking goods upon which the thermosensitive recording label is to be applied;
• heating the delayed action adhesive to the preselected activated temperature;
• and,
• sticking the thermosensitive recording label to the goods by means of the activated delayed action adhesive.