The present invention provides an optical film comprising a light-transmitting substrate and a buffer layer, and having the maximum restoration length of 40-100 mm, and a display device comprising such an optical film.

An undercoat agent composition for layering an inorganic material layer, the composition being applied on a resin substrate, for layering an inorganic material layer on the resin substrate by a dry film-forming method, the composition including a polysiloxane compound represented by Formula (1) below, and at least one of a radical polymerization initiator or a cationic polymerization initiator:

##STR00001##

A water-barrier laminated film (10) including a plastic film (A) that has an inorganic barrier layer (A1) on the surface thereof and a water-trapping layer (B), characterized in that: between the plastic film (A) and the water-trapping layer (B), an isocyanate type coating (C) is provided that contains, as a film-forming component, an isocyanate type polymer obtained by reacting an isocyanate as the reaction component; and the water-trapping layer (B) is formed on the isocyanate type coating (C) that is formed as the underlying layer.

A sponge-forming silicone rubber composition is disclosed. The sponge-forming silicone rubber composition comprises: (A) an organopolysiloxane having at least two alkenyl groups per molecule; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms per molecule; (C) water; (D) a thickener; (E) a surfactant; (F) a silane compound having silicon atom-bonded alkoxy groups, or a partially hydrolyzed condensate thereof; and (G) a hydrosilylation reaction catalyst. The sponge-forming silicone rubber composition forms a silicone rubber sponge. In general, the silicone rubber sponge has excellent water absorption and water retentivity.

A surface protective film comprising a base film and a resin film thereon can be bonded to a substrate having a circuit-forming surface and separated therefrom after processing. The resin film is formed of a resin composition comprising (A) a silphenylene-siloxane skeleton-containing resin, (B) a compound capable of reacting with an epoxy group in the resin to form a crosslinked structure, (C) a curing catalyst, and (D) a parting agent.

The present invention relates to a proton conductive nanocomposite membrane comprising a fluorinated proton conductive polymer substance introduced with polyhedral oligomeric silsesquioxane (POSS) having a proton donor and polyhedral oligomeric silsesquioxane (POSS) having a proton acceptor, and a method for preparing the same, in which the addition of the very small size POSS having proton donors and POSS having proton acceptors to the nanocomposite membrane increases ion conductivity due to easy hopping of generated protons (cations) within ion channels, thereby realizing excellent proton conductivity while the nanocomposite membrane shows excellent mechanical strength even though the degree of sulfonation of the membrane is increased.

Provided is a UV-curable silicone composition containing: (A) an organopolysiloxane having, in one molecule, two groups represented by formula (1)

##STR00001##

(R.sup.1 is a monovalent hydrocarbon group, R.sup.2 is an oxygen atom or an alkylene group, R.sup.3 is an acryloyloxyalkyl group, etc., p represents a number satisfying 0?p?10, and a represents a number satisfying 1?a?3.); (B) an organopolysiloxane resin which comprises (a) a unit represented by formula (2)

##STR00002##

(R.sup.1 to R.sup.3, a and p are the same as above),
(b) a R.sup.4.sub.3SiO.sub.1/2 unit (R.sup.4 represents a monovalent hydrocarbon group), and (c) a SiO.sub.4/2 unit, and in which a molar ratio of the sum of the unit (a) and the unit (b) and the unit (c) is 0.6 to 1.2:1; (C) a photopolymerization initiator; and (D) an organic peroxide,
wherein the UV-curable silicone composition has a viscosity applicable to a stereolithography such as a laser process, can be shaped even with a small amount of UV irradiation, and forms a cured product exhibiting excellent rubber physical properties.

An antifouling structure of the present invention includes a microporous layer and an antifouling liquid on a base.

The microporous layer includes a liquid retaining portion that is formed at a surface part of the microporous layer, and a liquid ejecting portion that is formed at an inner part of the microporous layer and has a lower affinity for the antifouling liquid than the liquid retaining portion. The film thickness of the liquid retaining portion is within the range of 1/100 to 1/50 of the liquid ejecting portion, where T is the film thickness of the liquid ejecting portion.

Provided are a polyhedral oligomeric silsesquioxane and a preparation method thereof, more particularly, a polyhedral oligomeric silsesquioxane itself which has a low refractive property and enables formation of a coating layer with excellent chemical and mechanical properties, and provides excellent adhesive strength for the surfaces of various substrates, and a preparation method thereof.

Provided are a window film composition, a flexible window film formed therefrom and a flexible display device containing the same, the composition comprising: a crosslinking agent represented by RXXZYRY (RX and RY each independently represent a glycidyl group, a glycidyl group-containing functional group, an alicyclic epoxy group or an alicyclic epoxy group-containing functional group); an epoxy group-containing siloxane resin; and an initiator.