The present invention relates to a composition comprising scattering particles. In particular the present invention relates to polymeric composition comprising scattering particles for lightning applications or light guides. The invention also relates to a process for manufacturing such a polymeric composition comprising scattering particles for lightning applications or light guides. More particularly the present invention relates to a polymeric (meth) acrylic composition comprising inorganic scattering particles for lightning applications or light guides.

An electrically conductive paste includes: an elastic binder; and a conductive filler. The conductive filler includes: at least one spherical conductive filler, at least one plate-like conductive filler, and at least one rod-like conductive filler. In an embodiment, the spherical filler has a mean particle diameter, measured in accordance with ISO 21501-2:2019-11 of at most 200 μm.

To provide a PSA sheet having excellent IR-blocking properties. Provided is a PSA sheet having a PSA layer. The PSA sheet has 5% or lower light transmittance in the thickness direction in a wavelength region of 780 nm to 2500 nm. The PSA sheet has 0.01% or lower light transmittance in an in-plane direction in a wavelength region of 380 nm to 2500 nm.

A kind of plastic is provided. With a total of 100 parts by weight, the plastic includes the following components in parts by weight: 25 to 90 parts of matrix resin; 1 to 60 parts of laser reflecting agent; and 0 to 70 parts of inorganic filler, where the inorganic filler is capable of being chemically corroded. When the matrix resin includes a resin component capable of being chemically corroded, parts by weight of the inorganic filler are greater than or equal to 0 parts; or when the matrix resin is fully a resin component incapable of being chemically corroded, parts by weight of the inorganic filler are greater than 0 parts. For the plastic, a low roughness surface can be obtained through chemical roughening, to form a desirable coating binding surface, and help implement metallization.

The present disclosure relates to a dielectric substrate that may include a polymer based core film, and a fluoropolymer based adhesive layer. The polymer based core film may include a resin matrix component, and a ceramic filler component. The ceramic filler component may include a first filler material. The particle size distribution of the first filler material may have a D.sub.10 of at least about 1.0 microns and not greater than about 1.7, a D.sub.50 of at least about 1.0 microns and not greater than about 3.5 microns, and a D.sub.90 of at least about 2.7 microns and not greater than about 6 microns.

Embodiments provide a coating material containing: (A) 100 parts by mass of an acrylic curable resin; (B) 5-200 parts by mass of aluminum oxide particles having an average particle size of 1-100 μm; (C) 0.1-20 parts by mass of aluminum oxide fine particles having an average particle size of 1-100 nm; and (D) 1-100 parts by mass of a compound having two or more isocyanate groups per molecule. In one embodiment, the acrylic curable resin (A) includes: (a1) a structural unit derived from a hydroxy group-containing (meth)acrylic acid ester; (a2) a structural unit derived from a vinyl aromatic compound; and (a3) a structural unit derived from a (meth)acrylic acid alkyl ester. In one embodiment, the acrylic curable resin (A) may contain, in addition to the structural units (a1) and (a2): (a3-1) a structural unit derived from methyl methacrylate; and (a3-2) a structural unit derived from an aliphatic (including alicyclic) alkyl ester having 4 or more carbon atoms of a (meth)acrylic acid.

Compounds having an elastomer material, a filler material, at least one additive material, and at least one accelerant material are disclosed. In various embodiments, the filler material comprises a graphene-based carbon material. In various embodiments, the graphene-based carbon material comprises graphene comprising up to 15 layers, carbon aggregates having a median size from 1 to 50 microns, a surface area of the carbon aggregates at least 50 m.sup.2/g, when measured via a Brunauer-Emmett-Teller (BET) method with nitrogen as the adsorbate, and no seed particles.

A liquid crystal polyester resin composition contains a component (P): a liquid crystal polyester resin, a component (M): a non-metallic and powdery pigment having a metallic color, and a component (F): an inorganic filler excluding the component (M).

Provided is carbon material filler for an electromagnetic shield, which includes a graphitizable carbon material to be mixed into a molding material in order to absorb electromagnetic waves, the carbon material filler for an electromagnetic shield satisfying (1) to (3): (1) A spacing d002 of a 002 plane of the graphitizable carbon material measured through X-ray diffraction measurement (XRD) is at least 0.338 nm. (2) A relative intensity ratio (A/B) value between a peak intensity (A) of a “002 plane” detected when the graphitizable carbon material is measured through X-ray diffraction measurement (XRD) and a higher peak intensity (B) that is selected from a “100 plane” and a “004 plane” is at least 2.5 and less than 27. (3) The filler is in powder form and the average particle diameter D50 is at least 1 μm and at most 5 mm.

Provided is a biodegradable resin composition that exhibits excellent biodegradability even in a molded product having a large thickness, has excellent mechanical properties, and is economically advantageous, and a molded product using the same. The molded product is provided using an inorganic substance powder-containing biodegradable resin composition including: a biodegradable resin and an inorganic substance powder in a mass ratio of 10:90 to 70:30, in which the biodegradable resin is a cellulose acetate-based resin and the inorganic substance powder is heavy calcium carbonate.