| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for bonding resins to each other with high productivity at a temperature below a temperature necessary for bonding by heat sealing. <P>SOLUTION: The method for bonding resins to each other is a method for bonding a first resin 1 and a second resin 2 to each other. The method includes a step (I) of irradiating a space 10 containing oxygen molecules in contact with surfaces 3a, 3b of the first and second resins with vacuum ultraviolet light having a wavelength of not more than 175 nm, and a step (II) of raising the temperature in such a state that the surfaces 3a, 3b after the irradiation are in contact with each other, to bond the first resin 1 and the second resin 2 to each other using the surfaces 3a, 3b as bonding surfaces. In the step (I), the surfaces 3a, 3b of the first and second resins may be further irradiated with vacuum ultraviolet light. In this case, the light intensity of the vacuum ultraviolet light which reaches the surfaces 3a, 3b is preferably, for example, 0.1 to 10 J/cm2. <P>COPYRIGHT: (C)2009,JPO&INPIT |
