The present invention provides a window film, a manufacturing method thereof, and a display device including the same. The window film comprises: a basic material layer; a window coating layer formed on one surface of the basic material layer; and a back coating layer formed on the other surface of the basic material layer, wherein the window film has a relation of formula 1.

A composition that includes a blend of a fluoropolymer and an ultraviolet light-absorbing oligomer. The oligomer has a first divalent unit having a pendent ultraviolet absorbing group and at least one of a second divalent unit that is non-fluorinated or a third divalent unit that is fluorinated. The pendent ultraviolet absorbing group can include a triazine group. The composition can be an extruded film. A method of making such an extruded film is also disclosed.

A separation composite membrane, including a porous support layer, and a separation layer provided on the porous support layer and contains the following polymer a1 and b1; a separation membrane module; a separator; and a composition for forming a membrane suitable for preparing the separation composite membrane.

Polymer a1: A polymer whose ratio of a permeation rate of carbon dioxide to a permeation rate of methane is 15 or greater, and the permeation rate of the carbon dioxide is smaller than that in the polymer b1 and which has a solubility parameter of 21 or greater

Polymer b1: A polymer whose permeation rate of carbon dioxide is 200 GPU or greater, and a ratio of the permeation rate of the carbon dioxide to methane is smaller than that in the polymer a1 and which has a solubility parameter of 16.5 or less

Compositions, devices, and methods are disclosed for the covalent modification of polymer surfaces with graft copolymers having a blend of side chains. The halogenated acrylic and polyalkylene glycol acrylic side chains of the graft copolymer provide the polymer surface with high hydrophobicity, as well as increased resistance to biofouling with proteinaceous material. The polymer surfaces can be particularly useful in microfluidic devices and methods that involve the contacting of the covalently modified polymer surfaces with emulsions of aqueous droplets containing biological macromolecules within an oil carrier phase.

A coating composition including the following five components 1) to 5): 1) a fluorine-containing multifunctional (meth)acrylate; 2) a binder component that is free of fluorine and reacts with the 1) component; 3) metal oxide nanoparticles each including an organic group on a surface thereof; 4) a solvent having a total (P+H) of 8 MPa.sup.1/2 or more, the total (P+H) being a total of a polar term P and a hydrogen bond term H in Hansen solubility parameters; and 5) a reaction initiator.

Composite particles are provided that can be used to cure epoxy resins. More particularly, the composite particles have a porous polymeric core particle, a curing agent and/or a curing catalyst for an epoxy resin positioned within the porous polymeric core particle, and a fluoropolymer-containing coating layer around the porous polymeric core particle. Additionally, curable compositions are provided that are mixtures containing an epoxy resin and the composite particles. The epoxy resin typically does not react until the curable composition is heated causing the release of the curing agent and/or curing catalyst from the composite particle. Further, cured compositions formed from the curable composition are provided.

The present invention aims to provide a masterbatch containing a large amount of an aluminum component and having high pellet strength, wherein aluminum particles retain their inherent brightness and the amount of a component which may impair the strength or appearance of a synthetic resin molded article is small. The masterbatch of the present invention contains aluminum particles, a heat-resistant wetting agent, and a resin, wherein the proportion of the aluminum particles in the masterbatch is 50 to 80% by weight, the resin has a melt flow rate of 0.2 to 60 g/10 min, and the proportion of wax having a melt flow rate of more than 60 g/10 min and a melt viscosity at 140 C. of 15 to 8000 mPa.Math.s in the masterbatch is 10% by weight or less.

Some polymeric devices, as described herein, can be made of a first layer and a second layer bonded together with one or more microfluidic channels defined internal to the device. The first layer and the second layer may each include a substrate and a polymer bonded to the substrate. The two layers may be bonded through a polymer network that interpenetrates the polymers in the first and second layers. This disclosure also describes methods of bonding together polymeric articles. The methods include diffusing polymerizable monomers and radical forming initiators into the surfaces of one or both of the polymers, putting the surfaces into contact, and initiating polymerization to create a polymer network that interpenetrates the polymers.

A film includes: a coating layer made of a fluorine-containing acrylic resin; and a base film, on which the coating layer is laminated. The fluorine-containing acrylic resin is obtained by copolymerizing 50 to 99 parts by weight of a monomer represented by a general formula (1) with 50 to 1 parts by weight of a methacrylate-based monomer, and a melt viscosity of the fluorine-containing acrylic resin is less than 300 Pa.Math.s under conditions of a die temperature of 220 C., a shear rate of 122 sec.sup.1, and a capillary die diameter of 1 mm based on JIS K7199. ##STR00001## In the general formula (1), R.sub.1 is a direct bond or a straight-chain or branched-chain alkylene group containing 1 to 4 carbon atoms, and R.sub.2 is methyl.

Composite particles are provided that can be used to cure epoxy resins. More particularly, the composite particles have a porous polymeric core particle, a curing agent and/or a curing catalyst for an epoxy resin positioned within the porous polymeric core particle, and a fluoropolymer-containing coating layer around the porous polymeric core particle. Additionally, curable compositions are provided that are mixtures containing an epoxy resin and the composite particles. The epoxy resin typically does not react until the curable composition is heated causing the release of the curing agent and/or curing catalyst from the composite particle. Further, cured compositions formed from the curable composition are provided.