There is provided a method of coating a substrate comprising applying a first mixture where the first mixture reacts to form covalent bonds to the substrate surface and where the unreacted parts of the first mixture undergo diffusive mixing with a second layer, which is applied on top of the first mixture. This avoids creation of a weak layer, which may otherwise give lower adhesion. The adhesion as well as mechanical properties including the scratch resistance are improved.

This disclosure provides a fluorine-containing mixture and a fluorine-containing super-oleophobic microporous membrane using the fluorine-containing mixture as a raw material, as well as preparation methods and applications for the fluorine-containing mixture and the fluorine-containing super-oleophobic microporous membrane. The fluorine-containing mixture of the present disclosure comprises, by weight percentage, the following components: Component A: 50%˜90%; Component B: 3%˜25%; Component C: 0%˜35%; Component D: 0%˜3%; wherein Component A comprises high molecular weight polytetrafluoroethylene homopolymer or copolymer dispersion resin; Component B comprises one or more fluorine-containing alkyl acrylate monomers; Component C comprises one or more fluorine-free acrylates; Component D comprises high temperature free radical initiator. There's no need to add inflammable or explosive lubricating oil, making the process highly safe; and the obtained fluorine-containing super-oleophobic microporous membrane has high waterproof, air-permeable, oil-resistant and washable performance, in line with the needs of a new generation of waterproof and air-permeable protective clothing.

The present invention relates to an optical film including a light-transmitting substrate film such as a polyester-based substrate film and an antiglare layer, and more specifically, to an optical film capable of effectively suppressing the occurrence of interference fringes derived from the substrate film, realizing excellent antiglare properties, and having excellent scratch resistance, and excellent adhesion between the substrate film and the antiglare layer, and the like, and to an image display device including the same.

The present invention relates to a water-based coating composition, the preparation and use of the composition, a two-component coating system comprising the composition and use thereof, and an article obtained by coating with the composition or the two-component coating system. The water-based coating composition comprises a water-based UV resin; a silane-treated nanosized silicon oxide compound; and a photoinitiator; wherein per kilogram of the solid constituent of the water-based UV resin contains not less than 3 mol of ethylenically unsaturated groups, and wherein the weight ratio of the solid constituent of the nanosized silicon oxide compound to the solid constituent of the water-based UV resin is 11:20 to 73:100. The coating layer formed by the water-based coating composition of the present invention has high hardness and good adhesion, and is particularly suitable for electronic, electrical and communication equipment in the 5G field.

A laminate including a base material and a resin layer provided on at least one surface of the base material. The resin layer is formed of a heat- or active energy ray-curable resin composition, and an outermost surface of the laminate on the one surface side of the base material has an unevenness containing a wrinkle structure.

A transparent resin substrate composed of a light-transmitting resin base sheet, and an underlying layer, a hard coat layer, and an antireflection coating formed sequentially on the base sheet. The antireflection coating includes a medium refractive index layer on the hard coat layer, and a low refractive index layer on the medium refractive index layer. The underlying layer is a cured product of a hexa- or higher functional urethane acrylate monomer. The hard coat layer is a cured product of a hard coat layer composition containing a polymerizable monomer containing 50% by mass or more of a tri- or lower functional urethane acrylate monomer, silica particles, a silane coupling agent, and a metal chelate compound. The medium refractive index layer is a cured product of a medium refractive index layer composition. The low refractive index layer is a particle-free cured product of a low refractive index layer composition.

The embodiments provide a polyamide-imide-based film that comprises a polyamide-imide-based polymer and has an rSE value of 0.8 to 1.25 as represented by the following Equation 1, whereby it is excellent in adhesion to a hard coating layer and light resistance to a UV light source, a process for preparing the same, and a composite film and a display device comprising the same. <Equation 1> rSE=SE1/SE2 In Equation 1, SE1 is the surface energy (dyne) of a first side of the film, and SE2 is the surface energy (dyne) of a second side of the film.

A polyamide-based composite film with curl characteristics, mechanical characteristics, and optical characteristics, as well as a wide angle of view provided by securing at least a certain level of luminance at various angles, and a display device comprising the same. The polyamide-based composite film comprises a base film comprising a polyamide-based polymer and a functional layer disposed on the base film. When the polyamide-based composite film is placed on a surface light source such that the base film is in contact with the surface light source, light is irradiated from the surface light source, a luminance value (L.sub.0) measured in the normal direction of the surface light source is 100%, and a luminance value (L.sub.50) measured in the direction of 50° from the normal direction of the surface light source is 25% or more.

A coating agent composition for polyurethane foam is provided. The coating agent may not only exhibit adhesive properties suitable for an automated process for producing a battery pack, but also has a uniform surface and has excellent durability and reliability in a severe environment. Polyurethane foam using the coating agent composition is also provided. Specifically, coating agent composition for polyurethane foam includes a (meth)acrylate-based monomer, an urethane acrylate, a photoinitiator, and inorganic fine particles, wherein a content of the inorganic fine particles is 100 parts by weight to 500 parts by weight based on 100 parts by weight of the photoinitiator.

A hard coating film according to an embodiment includes a substrate layer, a first hard coating layer formed on the substrate layer and satisfying a predetermined elastic recovery rate, and a second hard coating layer formed on the first hard coating layer and satisfying a predetermined water contact angle. The hard coating film according to embodiments may provide improved press resistance, scratch resistance, and flexibility.