The purpose of the present invention is to provide a resin composition comprising a tungsten-based pigment, and which enables the achievement of high infrared absorption and good moldability, and a molded article and a fiber, each of which contains the resin composition. The present invention relates to an infrared absorbing resin composition comprising a tungsten-based infrared absorbing pigment and a polyethylene terephthalate, and wherein the polyethylene terephthalate is a crystalline copolymerized polyethylene terephthalate which has an intrinsic viscosity of 0.60 or more, and a molded article and a fiber, each of which contains this absorbing resin composition.

A polymer composition capable of being additively manufactured includes a polymer matrix and an NTE additive. The NTE additive enables tailoring of the CTE of the polymer composition and the additively manufactured structure made using the composition.

A heat-insulating structure includes a substrate and an infrared blocking layer. The substrate has a first surface and a second surface opposite to the first surface. The infrared blocking layer is disposed on the first surface of the substrate and has a plurality of composite tungsten oxide particles uniformly distributed therein. Each of the composite tungsten oxide particles is doped with specific metal and non-metal elements, such that the infrared cut rate of the infrared blocking layer can reach 99%.

A heat ray shielding film is disclosed, including composite tungsten oxide particles; and an ionomer resin. The composite tungsten oxide particles are expressed by a general formula M.sub.xWO.sub.y (where M denotes one or more kinds of elements selected from Cs, Rb, K, Tl, In, Ba, Li, Ca, Sr, Fe, Sn, Al, Cu, and Na, and 0.1x0.5 and 2.2y3.0).

A dispersion body having excellent heat ray shielding properties and long-term high temperature stability, and a dispersion liquid for producing the dispersion body, wherein the dispersion liquid contains liquid medium, absorbing fine particles dispersed in the medium, and a phosphite ester compound, the absorbing fine particles are one or more kinds of oxide fine particles selected from tungsten oxide fine particles represented by a general formula WyOz, and the phosphite ester compound is a phosphite ester compound represented by the following predetermined structural formula, and an addition amount of the phosphite ester compound is more than 500 parts by mass and 50000 parts by mass or less with respect to 100 parts by mass of the absorbing fine particles.

This application relates to elastomeric articles such as gloves, compositions for producing the articles and methods for their manufacture. The elastomeric articles contain particles for detectability of the articles (or portions thereof) by metal detectors and/or x-ray detectors. The articles may contain magnetic particles, highly conductive particles, or high atomic mass element-containing particles, and a viscosity modifier to ensure dispersion of the particles throughout the film layer in which the particles are present. The particles may be magnetic particles specifically, and may be coated by a corrosion inhibitor coating.

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 m or more and 10.0 m or less.

An adhesive composition layer that transmits light in a visible light region and absorbs light in a near-infrared region, has a low haze value, and a near-infrared absorbing film, a laminated structure, a laminated body using the above adhesive composition and adhesive layer, and an adhesive layer, a near-infrared absorbing film, a laminated structure, a laminated body, and an adhesive composition containing composite tungsten oxide fine particles, a dispersant, a metal coupling agent having an amino group, an adhesive, and a crosslinking agent, wherein the composite tungsten oxide fine particles include a hexagonal crystal structure, and the composite tungsten oxide fine particles have lattice constant values such as 7.3850 or more and 7.4186 or less on the a-axis, and 7.5600 or more and 7.6240 or less on the c-axis, and the composite tungsten oxide fine particles having an average particle size of 100 nm or less.

An adhesive composition layer that transmits light in a visible light region and absorbs light in a near-infrared region, has a low haze value, and a near-infrared absorbing film, a laminated structure, a laminated body using the above adhesive composition and adhesive layer, and an adhesive layer, a near-infrared absorbing film, a laminated structure, a laminated body, and an adhesive composition containing composite tungsten oxide fine particles, a dispersant, a metal coupling agent having an amino group, an adhesive, and a crosslinking agent, wherein the composite tungsten oxide fine particles include a hexagonal crystal structure, and the composite tungsten oxide fine particles have lattice constant values such as 7.3850 or more and 7.4186 or less on the a-axis, and 7.5600 or more and 7.6240 or less on the c-axis, and the composite tungsten oxide fine particles having an average particle size of 100 nm or less.

Pulverized masterbatch products containing infrared absorbing fine particles, dispersion liquid containing pulverized masterbatch products containing infrared absorbing fine particles, ink containing infrared absorbing material, and anti-counterfeit ink and an anti-counterfeit printed matter using them, having excellent infrared absorption properties and having excellent chemical resistance, and a method for producing the pulverized masterbatch products containing infrared absorbing fine particles. The pulverized masterbatch products containing infrared absorbing fine particles have a dispersed particle size of 1 m or more, and contain resin with infrared absorbing fine particles dispersed inside.