A pasty composition for the manufacture of three-dimensional structures or structural elements on the surface of a substrate is formed together with a polymer as an organic component B1, and a powdery material that makes up a proportion of solid in the range of 60 mass % to 95 mass % in the composition, and

at least two mutually different solvents C1 and C2 that form a solvent mixture. A first solvent C1 has a boiling temperature here that is lower than the boiling temperature of the further solvent or solvents C2.

The present invention relates to the use of a polymer containing acid groups as a dispersant for stabilising an aqueous inorganic pigment slurry, wherein the polymer containing acid groups comprises polyether groups of the structural unit (I) *UX-(AlkO).sub.nW (I) where * indicates the bonding site to the polymer containing acid groups. U represents a chemical bond or an alkylene group having 1 to 8 carbon atoms. X is oxygen or an NR.sup.1 group, n is an integer with a mean, based on the polymer containing acid groups, in the range from 3 to 300, Alk is C.sub.2-C.sub.4-alkylene, where Alk may be the same or different within the (Alk-O).sub.n group, W is a hydrogen, C.sub.1-C.sub.6-alkyl or aryl radical or is the YF group where Y is a linear or branched alkylene group which has 2 to 8 carbon atoms and may bear a phenyl ring, F is a nitrogen-bonded 5- to 10-membered nitrogen heterocycle which may have, as ring members, as well as the nitrogen atom and as well as carbon atoms, 1, 2 or 3 additional heteroatoms selected from oxygen, nitrogen and sulphur, where the nitrogen ring members may have an R.sup.2 group, and where 1 or 2 carbon ring members may be in the form of carbonyl groups, R.sup.1 is hydrogen, C.sub.1-C.sub.4-alkyl or benzyl, and R.sup.2 is hydrogen, C.sub.1-C.sub.4-alkyl or benzyl, wherein the inorganic pigment slurry is selected from the group consisting of titanium dioxide slurry, calcium hydroxide slurry, ultrafine precipitated calcium carbonate (PCC) slurry and ground calcium carbonate (GCC) slurry. The invention provides pigment slurries having improved viscosity characteristics together with improved stability over time.

A pigment dispersion liquid includes a pigment dispersant; and a pigment, in which the pigment dispersant is a graft type silicone polymer denoted by General Formula 1. In General Formula 1, R.sup.1 to R.sup.10, R.sup.15 and R.sup.16 represent a hydrogen atom, a hydroxy group, an aryl group, or an alkyl group having 1 to 3 carbon atoms; R.sup.11 and R.sup.12 represent an arylene group or an alkylene group having 1 to 3 carbon atoms; Y and Z represent a single bond or a divalent organic linking group; A represents a group having a pigment adsorption portion; B represents a group having a structure denoted by General Formula 2; l and n represent an integer of greater than or equal to 1; m represents an integer of greater than or equal to 0; and k represents an integer of greater than or equal to 1. ##STR00001##

The present invention relates to a technology for producing a black pearlescent pigment for cosmetics which is a human-friendly and nature-friendly by using a pigment including natural charcoal powder. The production method of the pearlescent pigment using natural charcoal according to the present invention includes (a) milling natural charcoal to produce a pigment including natural charcoal powder; and (b) coating a flake substrate with the produced pigment including the natural charcoal powder, wherein the milling is performed at 20 to 40 Hz for 24 to 72 hours, and an average particle size of the pigment including the natural charcoal powder is 100 to 300 nm.

The present invention provides substantially isocyanate-free multicomponent compositions useful in making rapid dry primer compositions and coatings, the compositions comprising one or more carboxylic acid compounds that contain one of a benzothiazole, benzoxazole, or benzimidazole group, preferably, that contain a benzothiazole group, one or more hydrophobic sulfonic acid catalyst, one or more pigment, extender or filler, one or more a) polycarbamates from alkyd polyol or acrylic polyol and one or more b) a polyaldehydes or the acetal or hemiacetal thereof as a second component. The multicomponent compositions cure quickly at a temperature of from 0 C. to less than 80 C. to form a crosslinked polyurethane coating having improved humidity and corrosion resistance.

Provided is a method for preparing a carbon nanotube dispersion including preparing a carbon nanotube bundle; post-processing the carbon nanotube bundle to reduce an average length of the carbon nanotube bundle to 50 ?m or less; and dispersing the post-processed carbon nanotube bundle in a solution.

The problem to be solved by the present invention is to provide an effect pigment dispersion that exhibits excellent water resistance, that can form metallic or pearly luster, and that further exhibits high stability; and to provide a method for forming a multilayer coating film. The present invention provides an effect pigment dispersion that contains water, a wetting agent (A), a flake-effect pigment (B), and a phosphate-group-containing cellulose-based rheology control agent (C). The effect pigment dispersion has a solids content of 0.1 to 10 parts by mass, per 100 parts by mass of all of the components of the effect pigment dispersion; and has a viscosity of 100 to 10000 mPa.Math.sec as measured with a Brookfield viscometer at a rotational speed of 6 revolutions per minute.

Provided is a method for preparing a stable amorphous calcium carbonate (ACC), which can be obtained either in suspension or as a powder. The method comprises stepwise combination of a soluble calcium salt, a soluble carbonate, a first and second stabilizer, and a water miscible organic solvent as described herein. The present invention further relates to stable ACC suspensions and dry powders produced by the method of the present invention.

A pigment dispersion resin may include a copolymer including monomer units derived from isobornyl (meth)acrylate and methyl (meth)acrylate. Monomer units derived from isobornyl (meth)acrylate may be present in the copolymer in an amount greater than about 55% by weight, the copolymer may have a number average molecular weight of 3000 or less, and the resin may be substantially completely soluble in mineral spirits. A method of manufacturing a pigment dispersion resin may include providing monomers dissolved in a solvent, adding a chain transfer agent to the solvent, and copolymerizing the monomers. A pigment vehicle may include a plurality of pigment particles and a pigment dispersion resin. A method of manufacturing a coating composition may include combining a carrier liquid and a pigment vehicle. A method of coating a substrate may include applying a coating composition to the substrate.

A process for producing structural colours from smectite or vermiculite clay mineral comprising: (i) intercalating cations in every second layer of said clay mineral; and (ii) dispersion of the intercalated clay mineral in water to form an aqueous suspension.