| 摘要 |
A bonding method includes: preparing a first base material and a second base material to be bonded to each other via a bonding film; forming a liquid coating by supplying a polyester-modified silicone material-containing liquid material onto at least one of the first base material and the second base material, the polyester-modified silicone material being a product of dehydrocondensation reaction between a polyester resin obtained by esterification reaction of trimethylolpropane with terephthalic acid and a silicone material that has a branched polyorganosiloxane backbone having a unit structure represented by chemical formula (1) below at a branched portion, a unit structure represented by at least one of chemical formulae (2) and (3) below at a linking portion, and a unit structure represented by at least one of chemical formulae (4) and (5) below at a terminal portion, wherein R1 each independently represents a methyl group or a phenyl group, and X represents a siloxane residue; drying and/or curing the liquid coating to obtain the bonding film on at least one of the first base material and the second base material; contacting a plasma to the bonding film to develop adhesion near a surface of the bonding film; and contacting the first base material and the second base material via the bonding film developing adhesion, so as to obtain a bonded structure in which the first base material and the second base material are bonded to each other via the bonding film.
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