Provided is an active energy ray curable resin which has excellent compatibility with organic solvents, general purpose acrylic monomers, and oligomers, and a high curing property with an active energy ray, and also has a high adhesion property for each substrate. A cured film obtained by ultraviolet curing of the active energy ray curable resin has an excellent surface curing property, scratch resistance and bending resistance, while also having high transparency. Provided is a urethane modified (meth)acrylamide compound having a urethane bond and one or more (meth)acrylamide groups in the molecule. The urethane modified (meth)acrylamide compound has excellent compatibility with organic solvents, general purpose acrylic monomers, and oligomers, and exhibits a high curing property with an active energy ray. Also provided is an active energy ray curable resin which is obtained with the urethane modified (meth)acrylamide compound and has an excellent surface curing property, scratch resistance, and bending resistance.

An active energy ray curable resin composition comprising: urethane poly(meth)acrylate (A) synthesized from a raw material including a polyisocyanate and a hydroxy group-containing (meth)acrylate; (meth)acrylate (B) having five or more functional groups; a photopolymerization initiator (C1) having an absorption coefficient per unit weight of 50000 ml/g.Math.cm or more when measured in methanol at 254 nm; a photopolymerization initiator (C2) other than the (C1) having an absorption coefficient per unit weight of 50000 ml/g.Math.cm or more when measured in methanol at 302 nm; a photopolymerization initiator (C3) other than the (C1) and the (C2) having an absorption coefficient per unit weight of 100 ml/g.Math.cm or more when measured in methanol at 405 nm; and an ultraviolet absorbing agent (D).

A resin composition is provided. The resin composition comprises the following: (a) a resin system, which comprises a thermosetting resin constituent and a vinyl-containing elastomer and has a dissipation factor (Df) of not higher than 0.008 at 10 GHz after curing; and (b) a phosphorous-containing flame retardant, which is a compound of formula (I), a compound of formula (II), or a combination thereof:

##STR00001## wherein R.sub.1, R.sub.2, R.sub.21, R.sub.22, R.sub.23, R.sub.24, and n are as defined in the specification.

The present invention relates to a flexible plastic film, and more specifically to a flexible plastic film having excellent flexibility while exhibiting high hardness. According to the present invention, the flexible plastic film exhibits flexibility, bending property, high hardness, scratch resistance and high transparency, and hardly has a risk of damaging the film even in repetitive, continuous bending or long-time folding state, and thereby can be usefully applied to flexible mobile devices, display devices, front face and display unit of various instrument panels, and the like.

A preparation method of an energy-saving window film used for insulating glass sputters metals, metal oxides and nitrides on a surface of a high-strength base film in a layer-by-layer manner by a magnetron sputtering process, so as to reduce an infrared emissivity of film layers and effectively block an infrared transmission without affecting a daylighting field of vision; by coating a modified polyurethane acrylate protective layer on a surface of a low radiation layer, an oxidation resistance of the coating is improved; an installation adhesive layer provides an adhesion of the film to the glass, which can enhance the impact strength of the glass and play the role of safety and explosion-proof. The energy-saving window film is applied to the insulating glass with multiple functions such as impact resistance, lightness, energy-saving heat preservation, oxidation resistance, etc., which extends the overall service life of the insulating glass.

A hard coating film is provided. The hard coating film includes: a substrate; a first hard coating layer formed on one surface of the substrate; and a second hard coating layer formed on the other surface of the substrate, wherein the first hard coating layer has a corrected breaking strength of 50 to 500 MPa. and an image display device having the hard coating film. The hard coating film has excellent impact resistance as well as excellent bending resistance.

Provided herein is a cellulose nanofiber-containing composition producing method for producing a cellulose nanofiber-containing composition that can be easily combined with compounds having a reactive double-bond group, and that contains only a small amount of uncured material that acts as a plasticizer in a molded product, using a simple producing method that does not require any process involving solvent displacement or solvent removal. A high-strength molded body prepared by using the cellulose nanofiber-containing composition is also provided. In refining cellulose in a mixture containing a compound having a reactive double-bond group and a hydroxyl group of 10 KOHmg/g or less and a defibrating resin as essential components, the cellulose has a moisture content of 4 to 25 parts by mass with respect to 100 parts by mass of the amount of the cellulose converted on the assumption that the percentage moisture of the cellulose is 0%.

A self-healing polymer formulation includes a polyurethane (meth)acrylate, a siloxane (meth)acrylate, a nanoparticle, and a hardener, a polymer film includes a cured product of the polymer formulation, and an electronic device includes the same.

Provided are a composition for light diffusion film which has satisfactory incident angle dependency in transmission and diffusion of light, does not easily undergo yellowing even if exposed to ultraviolet radiation for a long time, and has excellent weather resistance, and a light diffusion film formed by curing the composition. Disclosed is a composition for light diffusion film, which includes a (meth)acrylic acid ester containing plural aromatic rings as component (A), a urethane (meth)acrylate as component (B), a photopolymerization initiator as component (C), and a hindered amine-based photostabilizer as component (D), and in which the content of the component (A) has a value within a predetermined range relative to 100 parts by weight of the component (B), the content of the component (C) has a value within a predetermined range relative to the total amount (100 parts by weight) of the component (A) and the component (B), and the content of the component (D) has a value within a predetermined range relative to the total amount (100 parts by weight) of the component (A) and the component (B).

A fiber-reinforced thermoplastic resin prepreg containing (A) reinforcing fibers, (B) a sizing agent and (C) a polyamide resin is described, wherein the sizing agent (B) and the polyamide resin (C) satisfy the condition N.sub.m/N.sub.0<4.0, wherein N.sub.0 is the average of torques necessary for maintaining the number of revolutions of a roller type blade at 100 rpm/15 minutes.