COATING FILM FOR HOUSING AND PHOTOCURABLE COATING RESIN COMPOSITION FOR HOUSING

To provide a coating film for a housing capable of satisfying both of steel wool resistance and flex resistance when used for a housing such as a smart phone, and a photocurable coating resin composition providing the same.SOLUTION: There is provided a coating film formed on a housing made of polyme...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	UMEDA KENJI, SAITO KEN, ISOZAKI MASAYOSHI, KAWATANI TOSHIHIRO, MORI AKIRA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	To provide a coating film for a housing capable of satisfying both of steel wool resistance and flex resistance when used for a housing such as a smart phone, and a photocurable coating resin composition providing the same.SOLUTION: There is provided a coating film formed on a housing made of polymethyl methacrylate and/or polycarbonate. After # 0000 steel wool is reciprocated 300 times with a load of 1.5 kg/cm2 on the surface of the coating film, the coating film has substantially no scratch. A film thickness of 10 μm is formed on the housing, then the coating film is pressed against a cylinder with a diameter of 30 mm, and even when the film is wound so that the bending angle is 180 degrees, the film has substantially no deformation and no crack. There is also provided a photocurable coating resin composition obtaining the same.SELECTED DRAWING: None 【課題】スマートフォンなどの筐体用に使用した場合、耐スチールウール性、耐屈曲性を共に満足することができる筐体用コーティング膜およびそれを与える光硬化性コーティング樹脂組成物を提供する。【解決手段】ポリメチルメタクリレートおよび／またはポリカーボネートからなる筐体上に形成されるコーティング膜であって、当該コーティング膜の表面に対して、＃００００のスチールウールを１．５ｋｇ／ｃｍ２荷重で３００往復させた後に実質的に傷の発生が無く、かつ、筐体上に膜厚みを１０μｍで形成し、当該コーティング膜を外側にして直径３０ｍｍの円筒に押し付け、屈曲角が１８０度となるように巻き付けた時、実質的に変形やクラックが認められない筐体用コーティング膜およびそれを得るための光硬化性コーティング樹脂組成物である。【選択図】なし