Abstract:
The invention aims to provide a shoe sole member capable of achieving comfort when using shoes and exhibiting excellent shape-recovering properties after using the shoes. Provided is a shoe sole member formed using a polymer foam, and the polymer foam contains fibers dispersed therein.
Abstract:
A laminate for laser bonding of the present invention contains a bonding sheet that is melted by irradiation of laser light and a first member laminated on one surface of the bonding sheet and formed of a thermoplastic foam. The difference between the melting point of the first member (Mfoam) and the melting point of the bonding sheet (Msheet) (Mfoam - Msheet) is -50°C to 20°C and the difference between the melt viscosity of the first member (Vfoam) and the melt viscosity of the bonding sheet (Vsheet) (Vfoam - Vsheet) is 3.0 × 10 5 Pa—�s to 8.0 × 10 5 Pa—�s. Preferably, the laminate for laser bonding contains a second member having transparency to laser light laminated on the other surface of the bonding sheet.
Abstract:
A rubber member for laser bonding of the present invention containing a rubber ingredient and silica, wherein the silica has an average particle size of more than 50 nm and 120 nm or less, and the amount of the silica is 10 parts by mass to 50 parts by mass based on 100 parts by mass of the rubber ingredient, the rubber member has a laser light transmittance of 30% or more, provided that the laser light transmittance is a transmittance when the rubber member has a thickness of 2 mm and is irradiated with laser light having a wavelength of 808 nm. The silica preferably includes silica having an average particle size of more than 50 nm and 120 nm or less and silica having an average particle size of 5 nm to 50 nm, and the amount of the silica having an average particle size of more than 50 nm and 120 nm or less is 10 parts by mass to 50 parts by mass based on 100 parts by mass of the rubber ingredient and the amount of the silica having an average particle size of 5 nm to 50 nm is 10 parts by mass to 50 parts by mass based on 100 parts by mass of the rubber ingredient.
Abstract:
Provided is a shoe sole member partially or entirely formed by a crosslinked foam, wherein the crosslinked foam shows specific results of pulsed NMR measurement.
Abstract:
Provided is a shoe sole member including a crosslinked foam forming a part or the whole of the shoe sole member, wherein the crosslinked foam is formed by a polymer composition showing specific results in measurement using pulsed NMR.