BenQ Materials Corporation

An anti-glare film is disclosed, which comprises a recycled polyethylene terephthalate substrate and an anti-glare coating layer on the recycled PET (rPET) substrate. The recycled PET substrate contains at least 50% recycled PET resin, and the anti-glare coating layer includes an acrylate binder resin and a plurality of amorphous inorganic microparticles. The disclosed anti-glare film has a concave-convex surface formed on the surface of the anti-glare coating layer by the amorphous inorganic microparticles to effectively mask impurity particles and/or microbubbles in the recycled PET substrate for being used in display devices.

A polarizer applied for a viewing side of a display is disclosed. The polarizer comprises a polarizing layer, and a polyester protective film disposed on a front side of the polarizing layer. The polyester protective film comprises a polyester substrate with an in-plane retardation not greater than 1200 nm and having an average refractive index (np), a first primer layer disposed on one side of the polyester substrate and having a first refractive index (n 1 ), and a second primer layer disposed on the other side of the polyester substrate and adjacent to the polarizing layer and having a second refractive index (n2), wherein the refractive indexes of the polyester protective substrate, the first primer layer and the second primer layer satisfy the relationships of n p >n 1 >n 2 and (n p −n 1 )/(n p −n 2 )≤0.7 to reduce interference rainbow patterns.

An anti-glare film is disclosed. The anti-glare film comprises a polyester substrate with an in-plane retardation not greater than 1500 nm and having an average refractive index (n p ) of 1.60 to 1.70, an anti-glare coating layer formed on one side of the polyester substrate, and a first primer layer disposed between the polyester substrate and the anti-glare coating layer, wherein the first primer layer has a first refractive index (n 1 ) of 1.55 to 1.65, and the average refractive index (n p ) of the polyester substrate is greater than the first refractive index (n 1 ) of the first primer layer.

A low-refractivity optical clear resin is disclosed. The low-refractivity optical clear resin comprises a polysiloxane composition and an organic solvent composition, wherein the polysiloxane composition comprises a polysiloxane and a hydroxyalkylsilane monomer, and the organic solvent composition comprises a high boiling point solvent with a boiling point more than 180° C. and a low boiling point solvent with a boiling point less than 150° C.; wherein the used amount of the organic solvent composition is 50 to 120 parts by weight per 10 parts by weight of the polysiloxane composition. The present low-refractivity optical clear resin can be used on the micro light emitting diode (micro-LED) display devices to enhance the light extracting efficiency thereof, and provide excellent optical properties on an adequate coating thickness.

A polarizer applied for a viewing side of a display is disclosed. The polarizer comprises a polarizing layer with an absorption axis, and a protective film disposed on the viewing side surface of the polarizing layer. The protective film includes a birefringent substrate adjacent to the polarizing layer having a birefringence difference not greater than 0.10 and having a slow axis and a fast axis perpendicular to each other, wherein the slow axis is parallel to the absorption axis of the polarizing layer, and an interference elimination layer disposed on a display side surface of the birefringent substrate, wherein the interference elimination layer has a diffusing layer disposed on the birefringent substrate, and a refractive-index-matching layer disposed on the diffusing layer, wherein with the total haze of the protective film is between 30% and 75% and the reflectivity of the protective film satisfies the relationship (R SCI −R SCE )≤1.0% and R SCE /(R SCI −R SCE )≥1.6, wherein R SCI is an average reflectivity of diffuse component and specular component (specular component included, SCI) of the protective film, and R SCE is an average reflectivity of diffuse component (specular component excluded, SCE) of the protective film.

A machining tool life prediction method includes: establishing a prediction model and inputting an instant vibration signal of a tested machining tool into the prediction model to obtain a health index of the tested machining tool. The prediction model is established by: obtaining plural vibration signals of plural machining tools; utilizing an empirical mode decomposition to obtain plural intrinsic mode functions; analyzing a correlation between each of the intrinsic mode functions and the corresponding wear degree to obtain plural sampling signals; obtaining plural characteristic factors by calculating the sampling signals; utilizing an anomaly score analysis to group the characteristic factors according to the wear degree; and utilizing a variation comparison algorithm to verify a result of the anomaly score analysis and obtaining a health index of each of the machining tools, thereby establishing the prediction model.

A composition sustainable-releasing hydrogen sulfide for promoting wound healing and the method for preparing the same are provided. The composition for promoting wound healing comprises a carrier and a plurality of hydrogen sulfide sustained releasing microspheres, wherein the hydrogen sulfide sustained releasing microspheres comprise a hydrophobic polymer, a surfactant and sodium hydrosulfide.

An optical film applied for a viewing side of a display is disclosed. The optical film comprises a birefringent substrate with a birefringence difference not greater than 0.10 having a slow axis and a fast axis perpendicular to each other and an diffusing layer disposed on the birefringent substrate, wherein the total haze of the optical film ranges between 30% and 80% and the reflectivity of the optical film satisfies the relationship (R SCI −R SCE )≤1.0%, and R SCE /(R SCI −R SCE )≥1.6, wherein R SCI is an average reflectivity of diffuse component and specular component of the optical film, and R SCE is an average reflectivity of diffuse component of the optical film.

The present invention provides a water-based hot-melt adhesive for healthcare packaging. The water-based hot-melt adhesive includes 25 to 70 parts by weight of an ethylene vinyl acetate copolymer, 5 to 20 parts by weight of an ethylene acrylic acid copolymer, 6.5 to 55 parts by weight of a water-based paraffin, and 5 to 15 parts by weight of particulate wax, in which a particle size of particulate wax is less than 8 μm. A coating layer formed on a medical paper from the water-based hot-melt adhesive of the present invention has great gas-permeability. After the coating layer is sealed with flexible sheet or blister container at the peripheral edges thereof, it has satisfied seal strength and peelability.

An anti-glare film is disclosed. The anti-glare film comprises a transparent substrate and an anti-glare layer comprising an acrylic binder resin, an acrylate-ether-group-containing surface active agent and a plurality of silica nanoparticles, wherein the silica nanoparticles are flocculated into a micro-floccule with an average secondary particle diameter of 1,600 nm to 3,300 nm. The present anti-glare film can provide a reliable anti-glare property with a low haze.