| 摘要 |
<p>Processing release paper capable of preventing, when used for synthetic leather production, bubbles, produced when a coating liquid is applied to leather, from being entrapped, and reproducing normal, bubble-free patterns. Processing release paper comprising a base material and a release layer on at least one side of the base material; wherein a release layer surface has polygonal shapes each consisting of a combination of uneven, continuous patterns, and at least one side of a polygon crosses at an acute angle a coating direction of a synthetic leather synthetic resin paste applied to the release layer; wherein a release layer surface consists of a combination of closed shapes of uneven, continuous patterns, and curved portions forming the closed shapes are outwardly curved convex curves and cross a coating direction of a synthetic-leather synthetic resin paste applied to the release layer; and wherein the side surfaces of recesses of portions forming the patterns of the release layer form angles of at least 30 degrees to the vertical line at the base material.</p> |
