Provided is a heat-curable maleimide resin composition capable of being turned into a cured product with a superior dielectric property, and allowing a plating layer(s) to be formed only at laser-irradiated parts on the surface of or inside the cured product. The heat-curable maleimide resin composition contains: (A) a cyclic imide compound having, in one molecule, at least one dimer acid backbone, at least one linear alkylene group having not less than 6 carbon atoms, and at least two cyclic imide groups; and (B) a laser direct structuring additive being a metal oxide having a spinel structure and represented by the following average composition formula (1):

AB.sub.2O.sub.4 (1)

wherein A represents one or more metal elements selected from iron, copper, nickel, cobalt, zinc, magnesium and manganese, B represents iron or chrome, provided that A and B do not both represent iron.

The present invention relates to a thermoplastic resin composition for laser direct structuring, containing: a polycarbonate resin; an inorganic compound comprising titanium dioxide and zinc sulfide; a fibrous inorganic filler; and an additive for laser direct structuring. Therefore, the present invention can provide: a thermoplastic resin composition for laser direct structuring, capable of implementing excellent whiteness while maintaining excellent impact resistance and rigidity; and a molded article comprising the same.

The invention subject of the present application concerns sorting of black plastics.

Hexavalent chromium-free slurry formulations which are suitable in the production of ceramic overlay coating systems are described. The formulations provide superior hot corrosion and heat oxidation protection for superalloy substrates. A basecoat slurry and topcoat slurry are provided. The basecoat slurry includes an aluminum phosphate based aqueous solution having a molar ratio of Al:PO.sub.4 higher than about 1:3 with the incorporation of metal oxide particles. The topcoat slurry includes an aluminum phosphate based aqueous solution having a molar ratio of Al:PO.sub.4 higher than about 1:3. Both of the basecoat slurry and the topcoat slurry are hexavalent chromium-free.

A polycarbonate resin composition, according to the present invention, comprises: a polycarbonate resin; a polyester resin; and a metal compound, wherein the content ratio of the polycarbonate resin and polyester resin is from approximately 4:1 to approximately 9:1. The polycarbonate resin composition and a molded product using same have excellent physical properties, such as impact resistance, fluidity and the like, as well as excellent exterior and plating adhesion.

The present invention relates to a thermoplastic resin composition for laser direct structuring, containing: a polycarbonate resin; an inorganic compound comprising titanium dioxide and zinc sulfide; a fibrous inorganic filler; and an additive for laser direct structuring. Therefore, the present invention can provide: a thermoplastic resin composition for laser direct structuring, capable of implementing excellent whiteness while maintaining excellent impact resistance and rigidity; and a molded article comprising the same.

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.

Provided herein are compositions and methods for the use of anhydrous tricalcium phosphate as a multifunctional additive to coatings, such as paint systems, to provide a coating that provides improved solar reflectance and thermal emittance properties, improved dirt pick-up resistance, and enhanced corrosion protection.

Provided is a resin composition containing: a cellulose acylate (A); a thermoplastic elastomer (B); and metal oxide particles (C).

An insulation material for a DC electrical component. The insulation material includes a thermoset or thermoplastic matrix and a functional filler component. The functional filler component has a non-linear DC conductivity depending on an applied electrical field strength. At least in a temperature range of 0 C. to 120 C., the functional filler component has a bandgap in the range of 2 to 5 eV, and optionally in the range of 2 to 4 eV. Furthermore, a method for producing an insulation material, a use of an insulation material for a high voltage DC electrical component, a DC electrical component comprising the insulation material and the use of a DC electrical component comprising the insulation material in a high voltage DC gas insulated device are suggested.