Moisture-retentive cooling gel, moisture-retentive cooling gel laminate, and moisture-retentive cooling plaster

A moisture-retentive cooling gel laminate comprising a mesh sheet, a layer of a moisture-retentive cooling gel, said cooling gel comprising:

• a water-retentive matrix of a water-soluble polymer, the matrix having a water content of not lower than 40 wt %;
• and fibers dispersed in the water-retentive matrix, the fibers having a hydrophilic property at least at surfaces thereof, at least some of the fibers being exposed on a surface of the water-retentive matrix;
• and a layer of an endothermic gel, the endothermic gel comprising a water-retentive matrix of a water-soluble polymer having a water content of not lower than 40 wt % and an endothermally water-dissolvable compound, the moisture-retentive cooling gel layer and the endothermic gel layer being stacked one on the other with the mesh sheet interposed therebetween.

A moisture-retentive cooling gel laminate comprising a porous sheet and a plurality of layers of a moisture-retentive cooling gel, said cooling gel comprising:

• a water-retentive matrix of a water-soluble polymer, the matrix having a water content of not lower than 40 wt %;
• and fibers dispersed in the water-retentive matrix, the fibers having a hydrophilic property at least at surfaces thereof, at least some of the fibers being exposed on a surface of the water-retentive matrix;
• the plurality of gel layers being stacked one on another with the porous sheet interposed therebetween.

A moisture-retentive cooling gel laminate comprising a porous sheet, a layer of a moisture-retentive cooling gel, said cooling gel comprising:

• a water-retentive matrix of a water-soluble polymer, the matrix having a water content of not lower than 40 wt %;
• and fibers dispersed in the water-retentive matrix, the fibers having a hydrophilic property at least at surfaces thereof, at least some of the fibers being exposed on a surface of the water-retentive matrix;
• and a layer of an endothermic gel, the endothermic gel comprising a water-retentive matrix of a water-soluble polymer having a water content of not lower than 40 wt % and an endothermally water-dissolvable compound, the moisture-retentive cooling gel layer and the endothermic gel layer being stacked one on the other with the porous sheet interposed therebetween.

A moisture-retentive cooling plaster comprising a moisture-retentive cooling gel, said cooling gel comprising:

• a water-retentive matrix of a water-soluble polymer, the matrix having a water content of not lower than 40 wt %;
• and fibers dispersed in the water-retentive matrix, the fibers having a hydrophilic property at least at surfaces thereof, at least some of the fibers being exposed on a surface of the water-retentive matrix;
• and an air-permeable support sheet, the moisture-retentive cooling gel being supported on the support sheet.

A moisture-retentive cooling gel laminate comprising a mesh sheet, a layer of a moisture-retentive cooling gel, said cooling gel comprising:

• a water-retentive matrix of a water-soluble polymer, said matrix having a water content of not lower than 40 wt %;
• and a water-absorbing polymer filler dispersed in the water-retentive matrix, at least one of the water-absorbing polymer filler being exposed on a surface of the water-retentive matrix;
• and a layer of an endothermic gel, the endothermic gel comprising a water-retentive matrix of a water-soluble polymer having a water content of not lower than 40 wt % and an endothermally water-dissolvable compound, the moisture-retentive cooling gel layer and the endothermic gel layer being stacked one on the other with the mesh sheet interposed therebetween.

A moisture-retentive cooling gel laminate comprising a porous sheet a plurality of layers of a moisture-retentive cooling gel, said cooling gel comprising:

• a water-retentive matrix of a water-soluble polymer, said matrix having a water content of not lower than 40 wt %;
• and a water-absorbing polymer filler dispersed in the water-retentive matrix, at least one of the water-absorbing polymer filler being exposed on a surface of the water-retentive matrix, the plurality of gel layers being stacked one on another with the porous sheet interposed therebetween.

A moisture-retentive cooling gel laminate comprising a porous sheet, a layer of a moisture-retentive cooling gel, said cooling gel comprising:

• a water-retentive matrix of a water-soluble polymer, said matrix having a water content of not lower than 40 wt %;
• and a water-absorbing polymer filler dispersed in the water-retentive matrix, at least one of the water-absorbing polymer filler being exposed on a surface of the water-retentive matrix;
• and a layer of an endothermic gel, the endothermic gel comprising a water-retentive matrix of a water-soluble polymer having a water content of not lower than 40 wt % and an endothermally water-dissolvable compound, the moisture-retentive cooling gel layer and the endothermic gel layer being stacked one on the other with the porous sheet interposed therebetween.

A moisture-retentive cooling plaster comprising a moisture-retentive cooling gel, said cooling gel comprising:

• a water-retentive matrix of a water-soluble polymer, said matrix having a water content of not lower than 40 wt %;
• and a water-absorbing polymer filler dispersed in the water-retentive matrix, at least one of the water-absorbing polymer filler being exposed on a surface of the water-retentive matrix;
• and an air-permeable support sheet, the moisture-retentive cooling gel being supported on the support sheet.

A moisture-retentive cooling gel laminate comprising a mesh sheet as plurality of layers of a moisture-retentive cooling gel, said cooling gel comprising:

• a water-retentive matrix of a water-soluble polymer, said matrix having a water content of not lower than 40 wt %;
• and a water-absorbing polymer filler and fibers dispersed in the water-retentive matrix, the fibers having a hydrophilic property at least at surfaces thereof, at least some of the water-absorbing polymer filler and the fibers being exposed on a surface of the water-retentive matrix;
• the plurality of gel layers being stacked one on another with the mesh sheet interposed therebetween.

A moisture-retentive cooling gel laminate comprising a porous sheet a plurality of layers of a moisture-retentive cooling gel, said cooling gel comprising:

• a water-retentive matrix of a water-soluble polymer, said matrix having a water content of not lower than 40 wt %;
• and a water-absorbing polymer filler and fibers dispersed in the water-retentive matrix, the fibers having a hydrophilic property at least at surfaces thereof, at least some of the water-absorbing polymer filler and the fibers being exposed on a surface of the water-retentive matrix;
• the plurality of gel layers being stacked one on another with the porous sheet interposed therebetween.

A moisture-retentive cooling gel laminate comprising a porous sheet, a layer of a moisture-retentive cooling gel, said cooling gel comprising:

• a water-retentive matrix of a water-soluble polymer, said matrix having a water content of not lower than 40 wt %;
• and a water-absorbing polymer filler and fibers dispersed in the water-retentive matrix, the fibers having a hydrophilic property at least at surfaces thereof, at least some of the water-absorbing polymer filler and the fibers being exposed on a surface of the water-retentive matrix;
• and a layer of an endothermic gel, the endothermic gel comprising a water-retentive matrix of a water-soluble polymer having a water content of not lower than 40 wt % and an endothermally water-dissolvable compound, the moisture-retentive cooling gel layer and the endothermic gel layer being stacked one on the other with the porous sheet interposed therebetween.

A moisture-retentive cooling plaster comprising a moisture-retentive cooling gel, said cooling gel comprising:

• a water-retentive matrix of a water-soluble polymer, said matrix having a water content of not lower than 40 wt %;
• and a water-absorbing polymer filler and fibers dispersed in the water-retentive matrix, the fibers having a hydrophilic property at least at surfaces thereof, at least some of the water-absorbing polymer filler and the fibers being exposed on a surface of the water-retentive matrix;
• and an air-permeable support sheet, the moisture-retentive cooling gel being supported on the support sheet.