| 摘要 |
<p>A rubber roll for films, characterized by comprising a roll main body and a covering layer formed as an outermost layer over the roll main body, wherein the covering layer comprises a rubber material and a plurality of fine hollow objects dispersed in the rubber material and each constituted of a thermoplastic resin, the fine hollow objects having an average particle diameter of 500 µm or smaller. It is further characterized in that the fine hollow objects located in the surface of the covering layer are open on the covering-layer surface, the edges of the openings are flush with the covering-layer surface, and the surfaces of the cavities of the open fine hollow objects constitute depressions of the covering-layer surface.</p> |
