FIXING MEMBER, FIXING DEVICE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

• Main Authors: NOTOYA YASUHARU, YOSHIMURA KIMIHIRO, MIYAUCHI YOHEI
• Format: Patent
• Language: English; Japanese
• Published: 03.10.2019
• Subjects: BEARINGS; BLASTING; CHEMISTRY; CINEMATOGRAPHY; COMPOSITIONS BASED THEREON; ELECTROGRAPHY; ELECTROPHOTOGRAPHY; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HOLOGRAPHY; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; LIGHTING; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MAGNETOGRAPHY; MECHANICAL ENGINEERING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PHOTOGRAPHY; PHYSICS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THEIR PREPARATION OR CHEMICAL WORKING-UP; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

To provide a fixing member that has an outer surface with excellent toner releasability and excellent scratch resistance.SOLUTION: A fixing member has a substrate, an elastic layer, and a mold release layer in this order; the mold release layer contains a tetrafluoroethylene/perfluoroalkylvinylether copolymer, the loss tangent of the mold release layer at a frequency of 10 Hz, 180°C is 5.0×10or more and 3.0×10or less.SELECTED DRAWING: Figure 1 【課題】優れたトナー離型性と優れた耐傷付き性とを備えた外表面を有する定着部材の提供。【解決手段】基材と、弾性層と、離型層と、をこの順に有し、該離型層は、テトラフルオロエチレン／パーフルオロアルキルビニルエーテル共重合体を含み、該離型層の周波数１０Ｈｚ、１８０℃における損失正接が５．０×１０−２以上３．０×１０−１以下である定着部材。【選択図】図１