▎ 摘　　要

NOVELTY - Easy-to-peel multilayer ceramic chip capacitor (MLCC) release film comprises at least two layers of co-extruded and stretched films, comprising surface layer A layer and base layer B, where the surface layer A includes 0-10 wt.% polyethylene terephthalate, and 90-100 wt.% functional masterbatch, the base layer B includes 100 wt.% polyethylene terephthalate, the functional masterbatch includes 0.5-1 wt.% modified inorganic materials and 99-99.5 wt.% polyethylene terephthalate, the outer surface of the surface layer A of the release film has a silicone oil coating. USE - Used as easy-to-peel MLCC release film. ADVANTAGE - The film has siloxane-modified two-dimensional nano material, which can improve smoothness of the surface layer, so as to reduce the surface roughness of the film. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing easy-to-peel MLCC release film, comprising (i) mixing inorganic materials with deionized water to form aqueous solution of inorganic materials, adding silane coupling agent to anhydrous ethanol, after stirring and dissolving, adding to the inorganic material aqueous solution, stirring and adjusting to pH 4-5 with hydrochloric acid, reacting in water bath at 45-55degreesC, then heating up to 65-75degreesC to continue the reaction, then cooling to room temperature, and obtaining modified inorganic nanoparticles after centrifugal washing and drying, (ii) under room temperature, adding powdery polyethylene terephthalate and inorganic nanoparticles to mixer for pre-dispersion and mixing to form mixture, melting and extruding the mixture by screw extruder, and then water-cooling and pelletizing to obtain functional masterbatch, (iii) weighing polyethylene terephthalate and functional masterbatch, adding into mixing silo for mixing, then adding into first twin-screw extruder, adding crystallized polyethylene terephthalate into second twin-screw extruder, extruding a film with a skin layer A and a base layer B from the first and second twin-screw extruders, continuing to stretch the extruded film longitudinally, constant temperature setting and cooling to obtain a thick film, (iv) subjecting thick film continuously to ion bombardment chemical treatment on the surface of the A layer through a CF4 plasma device, (v) continue to apply the silicone oil emulsion to the thick film plasma treated surface online, and (vi) successively heating the thick film with the uncured silicone oil emulsion layer and transversely stretching to complete the coating curing and heat setting, and then cooling into an MLCC release film..