RELEASE FILM FOR TRANSFERRING PHOTOSENSITIVE RESIN LAYER, ROLL-LIKE ARTICLE OF THE SAME, PHOTOSENSITIVE RESIN LAYER-LAMINATED FILM, AND ROLL-LIKE ARTICLE OF THE SAME

• Main Authors: NAKAGAKI TAKAMITSU, TSUJIUCHI NAOKI
• Format: Patent
• Language: English; Japanese
• Published: 23.08.2018
• Subjects: LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PERFORMING OPERATIONS; TRANSPORTING

PROBLEM TO BE SOLVED: To provide a release film for transferring a photosensitive resin layer, in which blocking between a photosensitive resin layer and a substrate film can be suppressed without using a protective film for protecting a photosensitive resin layer, the photosensitive resin layer has good coating property, and high resolution can be imparted to the photosensitive resin layer.SOLUTION: The release film for transferring a photosensitive resin layer is provided that is used for laminating a photosensitive resin layer on an opposite surface (B) opposite to a release layer (A) of a release film having the release layer (A) on one surface of a substrate film. In the release film, a haze value is less than 1.0%, surface roughness SRa(A) of the release layer (A) is less than 10 nm, surface roughness SRa (B) of the opposite surface (B) is less than 10 nm, and the release layer (A) contains a non-silicone-based compound as a main component.SELECTED DRAWING: None 【課題】感光性樹脂層を保護するための保護フィルムを使用せずとも感光性樹脂層と基材フィルムとのブロッキングを抑制することができ、感光性樹脂層の塗布性が良好であり、かつ感光性樹脂層に高い解像度を付与することが可能な感光性樹脂層転写用離型フィルムを提供する。【解決手段】基材フィルムの一方の面に離型層（Ａ）を有する離型フィルムの離型層（Ａ）とは反対面（Ｂ）に感光性樹脂層を積層するために用いられる感光性樹脂層転写用離型フィルムであって、ヘイズ値が１．０％未満、前記離型層（Ａ）の表面粗さＳＲａ（Ａ）が１０ｎｍ未満、前記反対面（Ｂ）の表面粗さＳＲａ（Ｂ）が１０ｎｍ未満であり、かつ前記離型層（Ａ）が非シリコーン系化合物を主成分として含有することを特徴とする、感光性樹脂層転写用離型フィルム。【選択図】なし