A binder resin composition for a preform has a Tg of 50 C. to 100 C., a complex viscoelastic coefficient G* determined by dynamic viscoelasticity measurement of 10 kPa to 500 kPa at Tg+30 C., and G* at Tg+30 C./G* at Tg+80 C. of 10 to 300, wherein the viscosity monotonically decreases as temperature of the binder resin composition for a preform rises to 200 C. The binder resin composition is excellent in storage stability at ordinary temperatures and adhesiveness between preform layers at low temperatures, and is capable of exhibiting stable adhesiveness even when the temperature during preform molding is uneven. A reinforcing fiber base material, a preform, and a fiber reinforced composite material include the binder resin composition.

Resin compositions, layers, and interlayers comprising two or more thermoplastic polymers and at least one RI balancing agent for adjusting the refractive index of at least one of the resins or layers is provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.

A film is described comprising a (meth)acrylic polymer and polyvinyl acetal polymer composition, wherein the film comprises a structured layer.

The present invention is related to decorative multi-layer surface coverings comprising a core layer, wherein said core layer comprises a polymer blend, said polymer blend comprising polyvinyl butyral and polylactic acid.

Disclosed is a transparent, flame-retardant thermally-insulating, UV-blocking polymer composite film, comprising sequentially from the top: a flame retardant layer, a base layer, a thermal insulation layer, and a UV-blocking layer, having a total film thickness of 1 m to 500 m, visible light transmittance greater than 80%, UV light transmittance less than 1%, and near-infrared transmittance less than 10%. Also disclosed is a preparation method for the present transparent, flame retardant thermally-insulating, UV-blocking polymer composite film, the technical processes whereof are simple and easy to execute, involve low production costs, and are suitable for industrial mass production. The present transparent, flame retardant thermally-insulating, UV-blocking polymer composite film can be used on such transparent materials and items as glass, windows, protective films, containers and electronic components, and has applications in such fields as construction, transportation, electronics, aerospace and medicine.

Provided is an anti-fogging coated transparent article including an anti-fog film, the anti-fog film being a single-layer film containing a water-absorbent resin, a hydrophobic group, and a metal oxide component. The hydrophobic group is a chain or cyclic alkyl group having 1 to 30 carbon atoms, preferably a linear alkyl group having 6 to 14 carbon atoms, in which at least one hydrogen atom is optionally substituted by a fluorine atom. The hydrophobic group is bonded directly to a metal atom of the metal oxide component. The anti-fog film contains, for example, the metal oxide component in an amount of 0.01 to 60 parts by mass and the hydrophobic group in an amount of 0.05 to 10 parts by mass per 100 parts by mass of the water-absorbent resin. The water-absorbent resin is, for example, polyvinyl acetal.

Polymeric foamed compositions, foam padded materials that include such polymeric foamed compositions, and packaging articles (e.g., envelopes) that include such foam padded materials, wherein the foamed composition includes: a polymeric component including a copolymer including divalent hydroxyethylene monomer units and divalent dihydroxybutylene monomer units; wherein the composition is in the form of an at least partially water-soluble foam.

Described herein is a composition comprising a polymeric blend of: (i) a first polymer comprising at least one acrylic block copolymer, wherein the at least one acrylic block copolymer comprises: (a) at least two A block polymeric units wherein each A block has a glass transition temperature of at least 90 C and each A block is independently derived from a monoethylenically unsaturated monomer comprising a first (meth)acrylate monomer; and (b) at least one B block polymeric unit wherein the at least one B block has a glass transition temperature no greater than 30 C and wherein the at least one B block is derived from a monoethylenically unsaturated monomer comprising a second (meth)acrylate monomer; and (ii) a second polymer selected from at least one of a polyvinyl acetal resin, a polyvinyl acetate, and a cellulose ester.

Provided is an anti-fogging coated transparent article including an anti-fog film, the anti-fog film being a single-layer film containing a water-absorbent resin, a hydrophobic group, and a metal oxide component. The hydrophobic group is a chain or cyclic alkyl group having 1 to 30 carbon atoms, preferably a linear alkyl group having 6 to 14 carbon atoms, in which at least one hydrogen atom is optionally substituted by a fluorine atom. The hydrophobic group is bonded directly to a metal atom of the metal oxide component. The anti-fog film contains, for example, the metal oxide component in an amount of 0.01 to 60 parts by mass and the hydrophobic group in an amount of 0.05 to 10 parts by mass per 100 parts by mass of the water-absorbent resin. The water-absorbent resin is, for example, polyvinyl acetal.

A resin composition is described with excellent light resistance, and a prepreg with excellent light resistance and good handling ability at room temperature and exhibiting less resin flow during cure molding, where the resin composition is an epoxy resin composition comprising the following constituents [A], [B], [C], and [D], wherein 95 mass % or more of the total mass of the constituent [B] is a non-aromatic epoxy resin represented by formula (I) where n is 1: [A]: a non-aromatic epoxy resin other than the constituent [B]; [B]: a non-aromatic epoxy resin represented by formula (I):

##STR00001## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 are as defined; [C] a curing agent; and [D] a non-aromatic thermoplastic resin.