A thermally conductive composition comprising: a filler; and a polymer component, wherein the filler comprises at least one surface-treated filler selected from the group consisting of the following filler (A) and filler (B): Filler (A): A filler surface-treated by a chemical vapor deposition method using a siloxane having one SiH group Filler (B): A filler surface-treated by a chemical vapor deposition method using a siloxane having two or more SiH groups, wherein at least one group selected from the group consisting of an unsubstituted alkyl group having 6 to 20 carbon atoms, an alkyl group having 2 to 20 carbon atoms having a substituent, and a group having a specific structure is further bonded to a silicon atom on a surface of the filler and introduced.

The invention provides silane-treated forsterite microparticles having a specific surface area of 5 to 100 m.sup.2/g, wherein 1 to 5 silyl groups are bound to 1 nm.sup.2 of the surface area thereof.

The invention relates to ceramic colours comprising effect pigments and a sol-gel based glassy matrix for decoration of metallic, ceramic and glassy articles and to a process for the preparation of a ceramic glaze.

Provided is a surface-modified nanodiamond having excellent dispersibility in an organic solvent, and a method capable of introducing various surface-modifying groups and easily producing surface-modified nanocarbon particles with little zirconia contamination. The surface-modified nanodiamond includes nanodiamond particles and a group that surface-modifies the nanodiamond particles and is represented by Formula (1): XR.sup.1 (1) [where X represents NH, O, OC(?O), C(?O)O, NHC(?O), C(?O)NH, or S; the bond extending left from X is bonded to a nanodiamond particle; R.sup.1 represents a monovalent organic group that does not have a hydroxy group, carboxy group, amino group, mono-substituted amino group, terminal alkenyl group, and terminal epoxy group; an atom bound to X is a carbon atom; and a molar ratio of carbon atoms to the total amount of heteroatoms selected from the group consisting of nitrogen atoms, oxygen atoms, sulfur atoms, and silicon atoms is 4.5 or greater.

The present disclosure provides an example where a white ink can include an aqueous ink vehicle and from 5 wt % to 60 wt % of a white flocculated colorant mass. The white flocculated colorant mass can include white metal oxide pigment, an alumina coating, and polymeric dispersant associated with a surface of the alumina-coated pigment. The white metal oxide pigment can have an average particulate size from 100 nm to 2,000 nm. The alumina coating on the white metal oxide pigment can form an alumina-coated pigment where the alumina coating is predominantly alumina, and the white metal oxide pigment content to alumina content can be from 99:1 to 9:1 by weight.

A method for producing a silica composite particle including a silica particle and at least one compound in which an aluminum atom bonds to an organic group through oxygen. The method includes: (i) providing a silica particle dispersion liquid having a silica particle content of about 20 mass % or more; (ii) mixing and reacting a compound represented by formula (S1) and the silica particle dispersion liquid to obtain a slurry; (iii) providing the at least one compound; and (iv) then mixing and reacting the slurry with the at least one compound to form the silica composite particle.

The present invention relates to methods for producing surface-modified calcium oxide particles having the production steps according to claim 1, novel calcium oxide particles obtained according to these methods, and uses thereof.

A reflective particulate material includes a particulate substrate having high total solar reflectance, bulk and apparent densities and toughness, and a low dust index. The reflective particulate can have a total solar reflectance of 80% to 87%, a toughness of 1% or fewer fines, an apparent density of 2.75 g/cm.sup.3 or greater, and a dust index of 1 or lower. A method of manufacturing the reflective particulate material includes preparing a slurry of the particulate substrate, spray drying the slurry to form a spray dried particulate, crushing the spray dried particulate to form a crushed particulate, and heating/calcining the crushed particulate. The heated, crushed particulate may further be coated to form a coated roofing granule.

A radically polymerizable composition comprising at least one polyfunctional radically polymerizable monomer having no acid group, at least one acid group-containing radically polymerizable monomer and/or at least one acidic oligomer, at least one fluoroaluminosilicate glass filler and/or radiopaque glass filler, and at least one initiator for the radical polymerization, wherein the fluoroaluminosilicate glass filler and/or radiopaque glass filler is coated with a silica (hetero)polycondensate. The composition is characterized by high stability and is particularly suitable as a dental material.

A CuCrZnO based pigment includes a CuCrO based oxide and Zn derived from a zinc oxide added as a modifying oxide and solid-dissolved in the CuCrO based oxide. The CuCrZnO based pigment has a composition formula of aCuO.Math.bCr.sub.2O.sub.3.Math.cZnO (mol %), in which 0.1?c?5, 45?a+c?55, and 45?b?55 (a+b+c=100).