| 摘要 |
<p>PURPOSE:To make pretreatment of a metal surface unnecessary and improve the adhesive strength even in the case of bonding metals to each other by mixing an adhesive composition with an adhesion improver comprising a calcium compound of organismal origin. CONSTITUTION:An adhesive composition comprising an isocyanate compound having 2 or more NCO groups, an epoxy resin, an acrylic resin, a thermoplastic resin, etc., as matrix components is mixed with an adhesion improver comprising a calcium compound of organismal origin in the form of powder selected from the group consisting of hydroxyapatite, seashells and egg shells and having an average particle diameter of 10mum or below in an amount of 1-8 pts. wt. for 100 pts.wt. of the matrix components.</p> |
