An electromagnetic wave absorption material comprises: fibrous carbon nanostructures; and an insulating material, wherein a content C of the fibrous carbon nanostructures when a content of the insulating material is 100 parts by mass is 5 parts by mass or more and 15 parts by mass or less, or, in the case where the fibrous carbon nanostructures are fibrous carbon nanostructures that exhibit a convex upward shape in a t-plot obtained from an adsorption isotherm, the content C is 0.3 parts by mass or more and 0.8 parts by mass or less, and the electromagnetic wave absorption material absorbs an electromagnetic wave in a frequency domain of more than 20 GHz.

An electromagnetic wave absorption material comprises: fibrous carbon nanostructures; and an insulating material, wherein a content C of the fibrous carbon nanostructures when a content of the insulating material is 100 parts by mass is 5 parts by mass or more and 15 parts by mass or less, or, in the case where the fibrous carbon nanostructures are fibrous carbon nanostructures that exhibit a convex upward shape in a t-plot obtained from an adsorption isotherm, the content C is 0.3 parts by mass or more and 0.8 parts by mass or less, and the electromagnetic wave absorption material absorbs an electromagnetic wave in a frequency domain of more than 20 GHz.

An approach for curing ultraviolet sensitive polymer materials (e.g., polymer inks, coatings, and adhesives) using ultraviolet radiation is disclosed. The ultraviolet sensitive polymer materials curing can utilize ultraviolet light at different wavelength emissions arranged in a random, mixed or sequential arrangement. In one embodiment, an ultraviolet light C (UV-C) radiation emitter having a set of UV-C sources that emit UV-C radiation at a predetermined UV-C duration and intensity operate in conjunction with an ultraviolet light B (UV-B) radiation emitter having a set of UV-B sources configured to emit UV-B radiation at a predetermined UV-B duration and intensity and/or an ultraviolet light A (UV-A) radiation emitter having a set of UV-A sources configured to emit UV-A radiation at a predetermined UV-A duration and intensity, to cure the ultraviolet sensitive polymer materials.

An approach for curing ultraviolet sensitive polymer materials (e.g., polymer inks, coatings, and adhesives) using ultraviolet radiation is disclosed. The ultraviolet sensitive polymer materials curing can utilize ultraviolet light at different wavelength emissions arranged in a random, mixed or sequential arrangement. In one embodiment, an ultraviolet light C (UV-C) radiation emitter having a set of UV-C sources that emit UV-C radiation at a predetermined UV-C duration and intensity operate in conjunction with an ultraviolet light B (UV-B) radiation emitter having a set of UV-B sources configured to emit UV-B radiation at a predetermined UV-B duration and intensity and/or an ultraviolet light A (UV-A) radiation emitter having a set of UV-A sources configured to emit UV-A radiation at a predetermined UV-A duration and intensity, to cure the ultraviolet sensitive polymer materials.

Disclosed are an environment-friendly heat shielding film using a non-radioactive stable isotope and a manufacturing method therefor and, more specifically, an environment-friendly heat shielding film using a non-radioactive stable isotope and a manufacturing method therefor, wherein a heat shielding layer is formed on one surface of a substrate layer; the heat shielding layer is composed of stable isotopes as elements constituting a precursor and contains a non-radioactive stable isotope tungsten bronze compound having an oxygen-deficient .sup.(Y)A.sub.x.sup.(182,183,184,186)W.sub.1O.sub.(3-n) type hexagonal structure, thereby preventing the generation of radioactive materials, fundamentally blocking haze, and improving the visible light transmittance and the infrared light blocking rate; and the heat resistance and durability problems that may occur when the heat shielding layer is formed of the non-radioactive stable isotope tungsten bronze compound are solved by a passivation film.

Disclosed are an environment-friendly heat shielding film using a non-radioactive stable isotope and a manufacturing method therefor and, more specifically, an environment-friendly heat shielding film using a non-radioactive stable isotope and a manufacturing method therefor, wherein a heat shielding layer is formed on one surface of a substrate layer; the heat shielding layer is composed of stable isotopes as elements constituting a precursor and contains a non-radioactive stable isotope tungsten bronze compound having an oxygen-deficient .sup.(Y)A.sub.x.sup.(182,183,184,186)W.sub.1O.sub.(3-n) type hexagonal structure, thereby preventing the generation of radioactive materials, fundamentally blocking haze, and improving the visible light transmittance and the infrared light blocking rate; and the heat resistance and durability problems that may occur when the heat shielding layer is formed of the non-radioactive stable isotope tungsten bronze compound are solved by a passivation film.

An ultraviolet light absorber (UVA) Universal Composition powder coating is provided. The composition can include about 73.0 to about 78.0 weight percent (wt. %) of a silicone resin, about 2.0 to about 7.0 wt. % of a hardener, about 0.7 to about 1.2 wt. % of a UV stabilizer, about 0.7 to about 1.2 wt. % of a flow modifier, about 15.0 to about 20.0 wt. % of a glass flake, and about 0.1 to about 0.6 wt. % of a catalyst. A UVA additive composition including a plurality of UVA additive particles having a continuous phase of a silicon resin that contains a hardener, a UV stabilizer, a flow modifier, glass flakes, and a catalyst, wherein the plurality of UVA additive particles have a particle size of 0.5 to 100 μm, is also provided.

Provided are halogen-free coatings, and methods for making and using such halogen-free coatings, for water and oil protection or repellants, which coatings control and/or eliminate the effect of humidity and oily substances on one or more of a variety of surfaces. These coatings and methods exhibit minimal toxicity to humans, non-human animals, including pets, and the environment more generally. The presently-disclosed coatings, which do not contain a halogen component, may be suitably employed, for example, on monuments, textiles, metals, stone, ceramic, wood, or other surface.

Provided are halogen-free coatings, and methods for making and using such halogen-free coatings, for water and oil protection or repellants, which coatings control and/or eliminate the effect of humidity and oily substances on one or more of a variety of surfaces. These coatings and methods exhibit minimal toxicity to humans, non-human animals, including pets, and the environment more generally. The presently-disclosed coatings, which do not contain a halogen component, may be suitably employed, for example, on monuments, textiles, metals, stone, ceramic, wood, or other surface.

Provided is a dendritic silver-coated copper powder which is prevented from agglomeration, while ensuring excellent electrical conductivity by increasing contact points in cases where silver-coated dendritic copper powder particles are in contact with each other. This dendritic silver-coated copper powder is suitable for use in conductive pastes, electromagnetic shielding materials and the like. A dendritic silver-coated copper powder 1 according to the present invention has a dendritic form which comprises a linearly grown main trunk 2 and a plurality of branches 3 arising from the main trunk 2. The main trunk 2 and the branches 3 are configured of copper particles which have plate-like shapes having an average cross-sectional thickness of 0.2-1.0 μm, and the surfaces of which are coated with silver. This dendritic silver-coated copper powder 1 has an average particle diameter (D50) of 5.0-30 μm as determined by a laser diffraction/scattering particle size distribution measuring method.