| 摘要 |
<p>Provided is a method for bonding together films made of different types of materials to produce a packaging article given a bag shape, wherein firm bonding is possible without the use of a laminate resin, there is no seepage of foreign matter, residual solvent, or the like, and the weather resistance is also excellent. A method for bonding together films made of different types of materials to produce a packaging article given a bag shape, wherein the method comprises preparing a pair of film base materials made of different types of materials, irradiating with an electron beam a portion of at least one film base material where bonding is to take place, and bonding only the portion that has been irradiated with the electron beam, to the other film base material, to make a bag shape.</p> |
