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WO/1994/020567A1 |
A method for the production of a solid particulate pigment/resin dispersion comprises the steps of (i) mixing together: (a) a solid resin carrier; (b) a water-immiscible volatile organic liquid which is a solvent or partial solvent for t...
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WO/1994/019409A1 |
Water-soluble salts of a beta-polyaspartic acid, i.e., a polyaspartic acid having predominantly beta linkages in the amino acid residue chain thereof, are eminently well suited as dispersants for particulate matter in an aqueous medium.
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WO/1994/018260A1 |
The present invention relates to a water-soluble and air-drying resin. A water-soluble and air drying resin, comprising substantially units of: A. a monoether of a polyethylene glycol having 5-100 ethylene oxide units per molecule, and B...
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WO/1994/015706A1 |
The invention concerns the use, as dispersants for aqueous pigment suspensions, of partially esterified copolymers obtained by the copolymerization of (a) at least one C4 to C28 olefin and (b) ethylenically unsaturated dicarboxylic acid ...
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WO/1994/015993A1 |
Described is a method of producing polymers of aspartic acid by reacting (a) maleic acid anhydride and (b) ammonia and/or primary or secondary amines essentially in the molar ratio (a):(b) of 1:0.1 to 1:3 to give half-amides of maleic ac...
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WO/1994/007963A1 |
A process is disclosed for applying a coating made of a mixture (7) of the precious stone lapis lazuli on a substrate (1, 4, 5). A crystalline lapis lazuli pigment (11) is used, mixed with a colourless binder (12), this mixture (7) is ap...
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WO/1994/007961A1 |
The invention pertains to a mix scheme for producing, from various base paints, solvent-containing coating agents of precisely defined shading, characterized in that the mix scheme contains A) various base paints A which contain less tha...
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WO/1994/007960A1 |
The object of the present invention is a mix system for the production of water-diluable coating agents of a precisely defined hue from various basic colorants, in which said mix system contains: A) various basic colorants which contain ...
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WO/1994/005680A1 |
Dispersing agents contain (A) alkyl- and/or alkenylpolyglycosides having the formula (I): R1-O-[G]p, in which R1 stands for an alkyl and/or alkenyl residue with 6 to 22 carbon atoms, [G] stands for a sugar residue with 5 to 6 carbon atom...
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WO/1994/001476A1 |
Graft polymers containing water-soluble, acid groups are disclosed with at least partial biodegrability based on sugars and monoethylenically unsaturated caraboxylic acids, sulphonic acids and/or phosphonic acids or the salts of said aci...
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WO/1994/001499A1 |
This invention relates to structural aggregate pigment products that are cationic, and have improved wet-end retention. A method for converting anionic pigments to cationic pigments is also provided. More particularly, a structural aggre...
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WO/1993/013175A1 |
Metal pigment particles treated with an organic phosphate or a pentavalent vanadium compound and a nitro-containing compound show increased stability against attack by water. The particles are especially useful in aqueous coating composi...
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WO/1993/012183A1 |
Inorganic material particles such as titanium dioxide (10) pigment particles (12) are dispersed in an aqueous medium with a polyelectrolyte pigment dispersant (20). A selected, relatively hard, polymeric latex (40), which adsorbs onto th...
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WO/1993/012050A1 |
A method for dispersing a comminuted solid in an aqueous medium is described. An aqueous dispersing agent is added to an aqueous medium in an amount sufficient to disperse the comminuted solid in the aqueous medium. The aqueous dispersin...
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WO/1993/012184A1 |
A process for forming a suspension of discrete composite particles is described. Each composite particle comprising an insoluble first particle and at least one insoluble second particle on the surface of the first particle. The process ...
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WO/1993/011199A1 |
A homogeneous, non-dusting pigment composition contains at least 70 % by weight of one or several platelike pigments; 1-30 % by weight water; 0.1-20 % by weight of an anti-dehydrating agent and less than 1.00 % by weight of one or severa...
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WO/1993/011194A1 |
Improved gloss pigments are produced by coating platelike substrates and are characterised in that an aqueous suspension composed of a metallic salt and of metal oxide and/or dyestuff particles is hydrolytically precipitated on the plate...
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WO/1993/011181A1 |
Titanium dioxide pigment particles are dispersed in an aqueous medium. A selected, relatively hard, polymeric latex is added, as well as a film-forming binder to give a formulated coating composition. The selected polymeric latex can inc...
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WO/1993/003070A1 |
The present invention is directed to a process for the preparation of amine modified copolymers as a pigment dispersant for cathodic electrocoating compositions comprising the steps of a) polymerizing i) an ethylenically unsaturated mono...
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WO/1993/002963A1 |
A method for preparing an aqueous calcium-sulphate based suspension, particularly for use as a filler or coating pigment in paper manufacturing, wherein a calcium sulphate slurry is formed by means of a first viscosity-regulating additiv...
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WO/1993/002131A1 |
Pigment dispersing agents are disclosed which comprise the reaction product of a polyester having both hydroxyl and carboxylic acid groups with 0.02 to 0.4 millimoles of total amine per gram of polyester, said amine being of formula (I) ...
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WO/1992/022612A1 |
An improved waterbased coating composition containing about 10-50 % by weight of film forming binder and pigment in a pigment to binder weight ratio of about 1/100 to 200/100 dispersed in an aqueous carrier and having a pH of about 7-10;...
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WO/1992/017554A1 |
The present invention relates to a mixing system for producing water-dilutable coatings with precisely determined hues from various basic colours in which the mixing system contains: A) various basic colours A containing less than 5 % wt...
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WO/1992/015535A1 |
Polyaspartic acid salts having a molecular weight range of 1 000 to 5 000 are excellent dispersants.
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WO/1992/014781A1 |
Polyamino acids of the formulae (I): poly (X)n poly (Y)m and (II). In formula (I) each X independently is aspartic acid, glutamic acid, phosphoserine, phosphohomoserine, phosphotyrosine, or phosphothreonine, each Y independently is alani...
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WO/1992/012210A1 |
Disclosed is a process for preparing ink millbase by use of a polymer blend of compatible polyesters and acrylic polymers. The polyesters are water-dispersible as a result of sulfonate groups on the polyester backbone. Use of the polymer...
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WO/1992/010545A1 |
The invention concerns surface-modified flake-like substrates, as well as their production from particles coated with organic aluminium compounds. Organic silicon compounds may also be added to the modifying agent. Such substrates are hi...
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WO/1992/001518A1 |
A coating composition and method of coating for producing a coating containing at least 21-22 % by volume titanium dioxide pigment for developing hiding on a suitable substrate, the coating composition having up to a critical pigment vol...
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WO/1992/000355A1 |
The invention concerns water-insoluble pigments based on double-layer hydroxides and water-soluble dyes, the pigments being obtained by reacting double-layer hydroxides formed in situ and water-soluble anionic dyes. The invention also co...
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WO/1992/000347A1 |
A method for producing a high solids aqueous slurry of particulate calcium carbonate having highly stable aging characteristics, comprising dispersing in water at at least 70 % by weight solids, a finely divided particulate calcium carbo...
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WO/1991/012278A1 |
The invention relates to a process for producing polyacrylic acids and copolymerizates of acrylic acid with up to 50 mol % of comonomers. These compounds have a molecular weight less than 100 000, measured at a pH of 8, and 10 to 60 mol ...
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WO/1991/009917A2 |
The resistance of automobile enamels to impact from stones is increased by the use of aqueous electrophoretic enamels prepared from a pigment paste containing a friction resin in the form of epoxide amine adduct which is at least partial...
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WO/1991/009067A2 |
Water-soluble, amphoteric grinding and/or dispersion agent for aqueous mineral suspensions with the formula (I) having the general form: -(A)p-(B)q-(C)r, where (A) is an anionic ethylene monomer with carboxylic function, (B) is a non-ion...
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WO/1991/009063A1 |
A low molecular weight copolymer reaction product of a copolymer acid of an alpha-olefin and an unsaturated carboxylic acid, preferably an alpha, beta-ethylenically unsaturated carboxylic acid, and at least one amino acid compound. The p...
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WO/1991/004293A1 |
The invention relates to a colored metallic pigment comprising the combination of metallic flakes and a polymer matrix encapsulating a solid colorant cured thereon.
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WO/1991/002033A1 |
Improved stable, fluid, aqueous dispersion compositions comprise a pigment, an alkali metal, alkaline earth metal or ammonium salt of a linear aliphatic substituted glycine such as a salt of ethylene diamine tetraacetic acid or nitrilo t...
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WO/1991/001343A1 |
An acid terminated polyamide is reacted with an alkylene glycol, polyalkylene glycol, nitrogen base or an alkanol amine (followed by neutralization with an alkanoic acid) to provide a pigment dispersant. These dispersants are especially ...
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WO/1990/015849A1 |
The invention relates to dispersions of spherical inorganic particles in which organic dispersing media with set points in the region of 20-120°C are used as dispersants.
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WO/1990/013606A1 |
A titanium dioxide pigment slurry containing from about 70 to about 80 percent by weight solids content is provided by dewatering, at superatmospheric pressure, a highly dispersed pigment slurry containing from about 20 to about 50 perce...
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WO/1990/004005A1 |
In accordance with this invention there is provided a process for the preparation of pigmented ink jet inks comprising: a) mixing at least one pigment and at least one pigment dispersant in a dispersant medium to form a pigmented ink mix...
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WO/1990/000581A1 |
The present invention discloses an improved method for forming stable dispersions of particulate matter. In particular, the present invention relates to a method of forming stable dispersions of particulate matter in both organic and sil...
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WO/1989/011508A1 |
Laminated air-gap interference pigments are characterized by contiguous layers of medium- to low-refraction minerals with thin intercalated air-gaps less than 1 mum thick, and by a diameter-to-thickness ratio of the laminae between 1:5 a...
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WO/1988/007070A1 |
Dispersions obtained from lamellar silicates, a protective colloid, and an aqueous dispersion medium are suitable for incorporating lamellar silicates in water-dilutable coating compositions. The dispersions are obtained using poly(propy...
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WO/1988/003545A1 |
The particles are obtained by dispersing a carbon black graft polymer, obtained by the reaction between carbon black and a polymer capable of reacting with carbon black, in a polymerizable monomer component, and polymerizing the polymeri...
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WO/1988/002381A1 |
Acrylic polymers with carboxylic acid and small amounts of sulfur-containing strong acids are good pigment dispersants for use in water-based coating compositions.
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WO/1988/002382A1 |
Acrylic polymers with carboxylic acid and small amounts of phosphorus-containing strong acids are good pigment dispersants for use in water-based coating compositions.
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WO/1988/000224A1 |
Process as described in which a) a pigment powder is dispersed in a liquid epoxy resin; b) the dispersion obtained from a) is dispersed in water and c) the epoxy groups of the epoxy resin are reacted with one or several amines. The proce...
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WO/1987/005924A1 |
A pigment dispersion which comprises from 5 to 90% by weight of at least one pigment and/or extender, from 0.01 to 50% by weight of a pigment dispersant which contains in its molecule at least one polar segment and at least one polymeric...
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WO/1986/006081A1 |
Novel cellulosic material and process for preparing the same. The cellulosic material is a carboxylated cellulose ester material having an acid number of at least about 5, an inherent viscosity of from about 0.01 to about 1.00 and wherei...
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WO/1986/003762A1 |
Pulverulent azoic pigments having improved rheologic properties are used in lacquer systems based on alkyd/melamine, acryl/melamine, acrylate/isocyanate or polyester/isocyanate of the conventional type as well as the more modern art of '...
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