Laminate for laser bonding, shoe, and method for producing shoe

摘要

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 3.0×105 Pa·s to 8.0×105 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.

主权项

1. A laminate for laser bonding, comprising:
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 having a plurality of recesses, wherein:
a difference between a melting point of the first member and a melting point of the bonding sheet is between −50° C. and 20° C., the difference between the melting point of the first member and the melting point of the bonding sheet being a subtraction of the melting point of the bonding sheet from the melting point of the first member,a difference between a melt viscosity of the first member and a melt viscosity of the bonding sheet is between 3.0×105 Pa·s and 8.0×105 Pa·s, the difference between the melt viscosity of the first member and the melt viscosity of the bonding sheet being a subtraction of the melt viscosity of the bonding sheet from the melt viscosity of the first member, and the bonding sheet enters the plurality of recesses of the first member when the bonding sheet is melted by the irradiation of laser light.