Patent ID: 11882900
Assignee: nan
Field: Surface technology, coating (Chemistry)
Classification: CPC A  C  B | IPC A  B  C

Claim 0:
1. A dot bonding shoe insole using hydrophobic nano-silica adhesive resin, comprising:
a foam;
a fabric;
a dot pattern adhesive resin layer is sandwiched between the foam and the fabric for bonding the foam and the fabric,
wherein an adhesive resin of the dot pattern adhesive resin layer is selected from any one of thermoplastic polyurethane (TPU), which contains hydrophobic nano-silicas in a range of 0.2 to 5 Parts per Hundred Resin (phr) and ethylene vinyl acetate (EVA), which contains hydrophobic nano-silicas in a range of 0.2 to 5 Parts per Hundred Resin (phr),
wherein the dot pattern adhesive resin layer is in a form of a plurality of dots, and an each of the plurality of dots has a thickness (height) in a range of 10 to 40 μm, a width and a length in a range of 0.05 to 0.3 mm, respectively an interval between the plurality of the dots is in a range of 0.05 to 0.15 mm, and the dot pattern adhesive resin layer is formed in an area in a range of 20 to 60% based on a total surface area of the dot bonding shoe insole.