The present disclosure provides a polymerizable composition. The polymerizable composition includes a phthalonitrile resin, a curative, and a polyoxometalate of Formula I: H.sub.n[XM.sub.12O.sub.40] (I). In Formula (I), M is W or Mo, n is 1 to 6, and X is a heteroatom selected from P, Si, S, Ge, As, Te, or Se. The present disclosure also provides an article. The article includes a polymerization product of the polymerizable composition. Additionally, a method is provided. The method includes mixing a polyoxometalate of Formula I with at least one of a curative or phthalonitrile resin and mixing at least a portion of the curative with at least a portion of the phthalonitrile, thereby forming a polymerizable composition. The method further comprises subjecting the polymerizable composition to a temperature of 180° C. to 250° C., to form an at least partially polymerized article and subjecting the at least partially polymerized article to a temperature of 300° C. to 350° C. to complete polymerization of the article.

A near-infrared absorbing material fine particle dispersion, a near-infrared absorber laminate, and a laminated structure for near-infrared absorption can exhibit higher near-infrared absorption property, compared to near-infrared fine particle dispersions, near-infrared absorber laminates, and laminated structures for near-infrared absorption, containing tungsten oxides or composite tungsten oxides according to the conventional art. Also, a near-infrared absorbing material fine particle dispersion in which composite tungsten oxide fine particles, each particle containing a hexagonal crystal structure, and a polymer compound with maleic anhydride introduced therein are contained in the polypropylene resin, and the near-infrared absorber laminate and the laminated structure for near-infrared absorption using the dispersion.

An electromagnetic wave absorbing particle dispersion includes electromagnetic wave absorbing particles containing cesium tungsten oxide represented by a general formula Cs.sub.xW.sub.1-yO.sub.3-z and having a crystal structure of an orthorhombic crystal structure or a hexagonal crystal structure, x, y, and z being 0.2≤x≤0.4, 0<y≤0.4, and 0<z≤0.46; and a solid medium. The electromagnetic wave absorbing particles are dispersed in the solid medium.

A preform for a container comprises a polymer composition which includes tungsten oxide particles, for example WO.sub.2.72 or WO.sub.2.92.

The present invention relates to a graphene-containing window film for a vehicle, and more particularly, to a graphene-containing vehicle window film attached to a car glass to block heat from entering an interior, and dissipate the heat quickly through graphene, thereby increasing thermal insulation efficiency.

Disclosed is an antibacterial and anti-shielding composition for a window film. The composition contains: 17.0 to 19.0 parts by weight of a monomer component composed of dipentaerythritol hexaacrylate and N,N-dimethylacrylamide; 0.85 to 0.95 parts by weight of any one or more liquid compounds selected from the group consisting of diphenyl(2,4,6-trimethylbenzoyl) phosphine oxide, oligo[2-hydroxy-2-methyl-1-[4-(1-methylvinyl)phenyl]propanone], 2-hydroxy-2-methylpropiophenone, and 2,4,6-trimethylbenzophenone; 0.35 to 0.40 parts by weight of 1-hydroxycyclohexylphenylketone; 0.15 to 0.20 parts by weight of phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide; 0.04 to 0.06 parts by weight of 2-propenoic acid, butyl ester; 50.0 to 78.0 parts by weight of a liquid heat-shielding agent; and 2.0 to 2.5 parts by weight of an antibacterial agent. Also disclosed are a method of producing a window film using the composition, and a window film produced thereby.

The composition of the present invention includes tungsten oxide particle, inorganic particle other than tungsten oxide particle, and a solvent. The inorganic particle is preferably made of a clay mineral. The clay mineral is preferably bentonite, saponite, or mica. The volume median diameter (D.sub.50) of the tungsten oxide particle is preferably 0.01 μm or more and 10.0 μm or less.

A method for depolymerizing a polyester may comprise heating a polyester at a temperature and for a period of time in the presence of a supported metal-dioxo catalyst, optionally, in the presence of H.sub.2, to induce hydrogenolysis of ester groups in the polyester and provide monomers of the polyester.

A polymer includes a repeating unit represented by at least one of Formula 1a or Formula 1b: ##STR00001## wherein, in Formulae 1a or 1b, CY.sub.1 is a group represented by at least one of Formula 1-2 or Formula 1-4, CY.sub.2 is a group represented by Formula 1-3, and L.sub.1, L.sub.2, a1, and a2 are defined the same as in the specification, and ##STR00002## in Formulae 1-2, Formula 1-3, or 1-4, X, Y, R.sub.1, R.sub.2, R.sub.11 to R.sub.14, b1, b2, R.sub.21, R.sub.22, b21, b22, Z.sub.1, Z.sub.2, c1, and c2 are defined the same as in the specification.

A heat-ray shielding particle dispersing liquid includes heat-ray shielding particles at least containing composite tungsten oxide particles and indium tin oxide particles, the weight ratio of the composite tungsten oxide particles and the indium tin oxide particles in the heat-ray shielding particles being within a range of “composite tungsten oxide particles”/“indium tin oxide particles”=99/1 to 22/78; and a liquid medium.