White goniochromatic packaging article. The package wall containing a composition useful for blocking light in the spectrum ranges from about 200 nm to about 1200 nm. The composition has polyester, polymethylpentene, and a light scattering pigment. The composition optionally includes at least one other colorant. Each of the polymethylpentene and the light scattering pigment comprise about 0.1 to about 0.5 weight percent of the wall. The polyester and polymethylpentene are immiscible and when subjected to orientation stresses the composition produces a goniochromatic packaging article.

The present disclosure relates to an adhesive film for a semiconductor and a dicing die-bonding film the same, and particularly, to an adhesive film for a semiconductor, which may reduce electromagnetic interference generated in a semiconductor package by including a polymer matrix in which a magnetic filler including a core and a coating layer formed on the surface of the core is dispersed, and a dicing die-bonding film including the same.

This disclosure relates to a composition comprising (a) a blend; (b) one or more fillers comprising at least one of carbon black, ferrite magnet powder, calcium carbonate, alumina trihydrate, magnesium hydroxide, talc, titanium dioxide, fibers, marble dust, cement dust, clay, feldspar, silica or glass, fumed silica, alumina, magnesium oxide, antimony oxide, zinc oxide, barium sulfate, calcium sulfate, aluminum silicate, calcium silicate, titanium dioxide, titanates, clay, nanoclay, organo-modified clay or nanoclay, glass microspheres, chalk, or any combination thereof. The cross-linking agents comprise organic peroxide, and the coagents comprise at least one of di- and tri-allyl cyanurates and isocyanurates, liquid and metallic multifunctional acrylates and methacrylates, zinc-based dimethacrylates and diacrylates, and functionalized polybutadiene resins and optionally (c) a cross-linking pack including cross-linking agents and coagents.

Coating compositions for coating an oilfield operational component, and related methods, may include in some aspects a coating composition having a trifunctional silane, a silanol, and a filler. The coating composition may be applied to a surface of the oilfield operational component that is configured to be exposed to a fluid. The coating composition may be applied to at least partially cover or coat the surface. The coating composition may be configured to chemically bond with a cured primer composition that includes an epoxy.

Thermoplastic resin composition comprising: (a1) at least one styrene-acrylonitrile copolymer component A1, (a2) at least one acrylonitrile styrene acrylate graft copolymer A2 as impact modifier, (a3) optionally at least one thermoplastic polymer A3 other than components A1 and A2, (b) at least one pigment B, (c) at least one hindered amine UV light stabilizer C1 and at least one UV absorber C2 different from C1, and (d) optionally further polymer additives D, other than components B, C1, C2, and E, (e) at least one metal scavenger component E.

Thermoplastic resin composition comprising: (a1) at least one styrene-acrylonitrile copolymer component A1, (a2) at least one acrylonitrile styrene acrylate graft copolymer A2 as impact modifier, (a3) optionally at least one thermoplastic polymer A3 other than components A1 and A2, (b) at least one pigment B, (c) at least one hindered amine UV light stabilizer C1 and at least one UV absorber C2 different from C1, and (d) optionally further polymer additives D, other than components B, C1, C2, and E, (e) at least one metal scavenger component E.

A selectively-absorbing material includes a silicone polymer and transition-metal oxide nanoparticles dispersed therein. Each of the transition-metal oxide nanoparticles includes manganese. A solar receiver includes (i) a metal substrate including an etched surface having a microroughness between 0.05 micrometers and two micrometers; (ii) a polymer matrix disposed on the etched surface; and (iii) transition-metal oxide nanoparticles dispersed within the polymer matrix. A method for producing transition-metal oxide nanoparticles includes recrystallizing a plurality of two-element nanoparticles at a temperature between 300 and 700° C. The plurality of two-element nanoparticles includes at least two of (i) copper oxide nanoparticles, (ii) manganese oxide nanoparticles, and (iii) iron oxide nanoparticles. A method for fabricating a selective-absorber includes etching a top surface of a metal substrate; depositing a polymer-matrix composite on the etched top surface; and interdiffusing the polymer-matrix composite and the metal substrate. The polymer-matrix composite includes transition-metal oxide nanoparticles dispersed therein.

A composition for use in coating surfaces and a method for coating surfaces with the composition is disclosed. The composition comprises a first component including a waterborne amine curing agent, a second component including an epoxy resin, and a third component including zinc dust. The first component, the second component, and the third component being combinable to provide a zinc-rich waterborne epoxy coating, wherein the coating composition provides an anti-corrosion protection to a metal substrate.

The present invention relates to semitransparent pearlescent pigments, to processes for producing them, and to the use of such pearlescent pigments, where the pearlescent pigments comprise monolithically constructed substrate platelets composed of a metal oxide having an average thickness of 1 to 40 nm and a form factor, expressed by the ratio of the mean size to the average thickness, of at least 80, which are enveloped by at least one substantially transparent coating A composed of at least one low-index metal oxide and/or metal oxide hydrate, having a refractive index of less than 1.8, and at least one interference layer in the form of a coating B composed of at least one high-index metal oxide, having a refractive index of at least 1.8.

A coating composition for application to a substrate includes a polymer matrix and a mineral aggregate substantially free of crystalline silica. The mineral aggregate is utilized as a partial or complete replacement for aggregate containing free respirable crystalline silica traditionally included in anti-slip or anti-skid coating compositions. Methods of making the coating and coating a substrate with the coating composition to provide a slip- or skid-resistant coating on a surface of a substrate are also disclosed.