C09D17/004

COMPOSITION INCLUDING A COLOR SHIFTING PIGMENT HAVING A DIFFERENT PARTICLE SIZE

A composition including a first color shifting pigment flake population having a first D50 particle size; and a second color shifting pigment flake population having a second D50 particle size that is different from the first D50 particle size, wherein the first color shifting pigment flake population and the second color shifting pigment flake population have a similar face color and color shift is disclosed. An article including the composition is included. A method of making the composition and a method of making the article are also disclosed.

USE OF ADDITIVES CONTAINING PRIMARY ALKANOLAMINES IN AQUEOUS MINERAL SUSPENSIONS
20210139734 · 2021-05-13 ·

The present invention relates to the technical domain of additives for aqueous high solids suspensions of mineral materials. The inventive additive comprises specific primary amines and is used for increasing the pH-value of the suspension and/or for increasing the wettability of the mineral materials.

BRIGHT PIGMENT DISPERSION AND METHOD FOR FORMING MULTILAYER COATING FILM

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.

COATING COMPOSITIONS

The present disclosure is drawn to coating compositions that can include from 60 wt % to 90 wt % by dry weight inorganic pigment, a surfactant, latex particles, a polyvinyl alcohol, and a cationic fixing agent. The surfactant includes a fatty alcohol polyglycol ether. The cationic fixing agent can be present in an amount from 4 wt % to 15 wt % by dry weight.

Dispersants having biobased compounds

The present disclosure is directed to compositions having lecithin and an organic acid and related methods. The disclosed compositions may also include one or more co-surfactants such as anionic surfactants and/or non-ionic surfactants, and may be used as a dispersant.

Ambient cure compositions for making coatings having humidity and corrosion resistance and methods of use

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.

Manufacturing Method for Multi Paint Finishes and a Multi-Finish Extender Grind

Disclosed herein are a more efficient method for manufacturing paints and a universal extender pigment grind that can be used for the paints in the same paint line as well as in different paint lines, while producing paints with similar properties as paints manufactured under traditional manufacturing techniques. The universal extender pigment grind comprises a minimum amount of diatomaceous earth.

Weather-Resistant Temporary Paint System Comprising a Removable Paint Composition and a Remover Composition
20200148890 · 2020-05-14 · ·

A paint system comprising a first component and a second component wherein said first and second components are separate compositions, wherein said first component is a removable paint composition comprising: (i) an organic solvent component comprising or consisting of one or more organic solvent(s); (ii) a polymeric component comprising a polymeric binder; (iii) a pigment component; and (iv) optionally one or more acid(s), and wherein said second component is a remover composition for removing said first component from a surface of a substrate wherein said remover composition comprises: (i) water and (ii) a base.

RESIN FOR UNIVERSAL SOLVENTBORNE PIGMENT DISPERSION

A copolymeric pigment dispersion resin derived from isobornyl (meth)acrylate and one or more other monomers has a number average molecular weight less than about 10,000 and is derived from sufficient isobornyl (meth)acrylate so that a 60 wt. % solution of the resin in propylene glycol monomethyl ether acetate forms a clear solution when combined at room temperature with at least three times the resin weight of odorless mineral spirits. The resin may be compatibly mixed with solvent-borne coating compositions based on polar or on non-polar solvents, and can provide a single factory shader or point-of sale colorant formulation for tinting a wide range of such coating compositions.

MAGNETIC MULTILAYER PIGMENT FLAKE AND COATING COMPOSITION

The present invention provides a magnetic multilayer pigment flake and a magnetic coating composition that are relatively safe for human health and the environment. The pigment flake includes one or more magnetic layers of a magnetic alloy and one or more dielectric layers of a dielectric material. The magnetic alloy is an iron-chromium alloy or an iron-chromium-aluminum alloy, having a substantially nickel-free composition. The coating composition includes a plurality of the pigment flakes disposed in a binder medium.