| 摘要 |
<p>PURPOSE: To obtain the subject product capable of firmly fixing rubber on a racket face in using, readily separating from the racket face and the rubber in renewing of rubber and readily washing stuck dust, etc., on the adhered face by comprising a specific constitution. CONSTITUTION: The objective product has a strong adhesive layer on one face and a weak adhesive layer composed of a polyurethane-based adhesive on the other face, preferably thickness of each adhesive layer is 10-100μm. An adhesive force of the strong adhesive layer to stainless steel (SP) is preferably 200-3000gf/25mm and an adhesive force of the weak adhesive layer to SP is preferably 10-500gf/25mm. As the adhesive constituting the strong adhesive layer, an acrylic-based emulsion-type adhesive, etc., is preferable. In sticking rubber on a racket board and fixing, preferably the strong adhesive layer is stuck on the rubber side and the weak adhesive layer is stuck on the racket board side.</p> |
