Abstract: The present invention relates to a method for recycling scrap rubber comprising the steps of pyrolyzing scrap rubber to obtain a char material and milling the thus obtained char material. The present invention also relates to carbon black powders and carbon black pellets obtained by the method according to the invention. Moreover, the present invention relates to the use of said carbon black powder and to compositions comprising said carbon black powders.

Abstract: The invention relates to a pigment granulate which contains 40 to 65% by weight of pigment and at least 10% by weight of a compound of general formula (I) CH3—(CH2)n—CH2—O—[(CH2)p—O]m—H, wherein n=8-18, p=1-4 and m=35-100, the weight ratio of the compound of general formula I to the pigment being ? the STSA surface area of the pigment in m2/g multiplied by 0.0021 g/m2 and the mass-weighted particle size of the pigment granulate being <20 ?m. The pigment granulate can be produced by dispersing the pigment and the compound of formula I in a solvent and then drying the dispersion obtained. The pigments according to the invention can be used for dying and/or the antistatic finishing in water-based paints and lacquer systems, dispersion on paints, printing inks, ink systems and coating systems.

Abstract: The present invention is directed towards compositions having lecithin and a plasticizer. Processes for producing such compositions are further disclosed. The present invention is also directed towards uses of the novel compositions as a dispersant in order to disperse compounds, such as in the fields of coatings, inks, cosmetics and the like. In one embodiment, the dispersants of the present invention are used to disperse pigments.

Abstract: This invention relates to a carbon black for use in rubber processing comprising carbon black and a naturally occurring oil.

Abstract: A mixture of linseed oil, paint thinner and pigment, blended in specified combination, is prepared for application to mortar—particularly old mortar—as a coloring agent. The mixture is suitable for use at repair sites comprising both old mortar and new mortar applied in making repairs, provided the new mortar has been allowed to age for at least 60 days.

Abstract: A masterbatch comprising pigment and demoulding agent is provided. The demoulding agent is selected from the group comprising low molecular weight polyolefin oils, low molecular weight polyolefin waxes, montan waxes and aliphatic or aromatic carboxylic acid esters of fatty acids and/or fatty alcohols, wherein the pigment content of the masterbatch is from 3 to 70 wt. %, based on the total weight of the masterbatch. The masterbatch is suitable for preparation of a polymer composition having improved pigment dispersion.

Abstract: A universal colorant system for both solvent- and water-based paints and coatings is contained in a closed sealed pouch or cartridge-style container, and includes a colorant component, a surfactant package including at least one alkyd-compatible surfactant and at least one latex-compatible surfactant, and a carrier. When the colorant system is added to a base paint it desirably provides a mixture having a drop in viscosity of less than about 50%.

Abstract: The invention relates to a pigment granulate which contains 40 to 65% by weight of pigment and at least 10% by weight of a compound of general formula (I) CH3—(CH2)n—CH2—O—[(CH2)p—O]m—H, wherein n=8-18, p=1-4 and m=35-100, the weight ratio of the compound of general formula I to the pigment being ? the STSA surface area of the pigment in m2/g multiplied by 0.0021 g/m2 and the mass-weighted particle size of the pigment granulate being <20 ?m. The pigment granulate can be produced by dispersing the pigment and the compound of formula I in a solvent and then drying the dispersion obtained. The pigments according to the invention can be used for dying and/or the antistatic finishing in water-based paints and lacquer systems, dispersion on paints, printing inks, ink systems and coating systems.

Abstract: A universal colorant composition for both solvent- and water-based paints and coatings includes a colorant component, such as pigment, dye, colorant, tinting agent and/or metal effect agent; a surfactant package including at least one alkyd-compatible; surfactant and at least one latex-compatible surfactant; and a carrier. When the surfactant package is added to a base paint it provides a mixture having a drop in viscosity of less than about 50%.

Abstract: This invention relates to carbon black pellets obtained by compaction of carbon black powder in the presence of auxiliary substances, which pellets, despite the compaction, surprisingly exhibit greater color intensity than the powders on which they are based.

Abstract: This invention relates to preparation and use of a rubber/carbon black composite comprised of at least one elastomer which contains a dispersion therein of carbon black aggregates. Such carbon black is formed by preparing a pre-blend comprised of uncompacted carbon black aggregates and oil and/or aqueous latex of, preferably, a low molecular weight diene-based elastomer particles, followed by blending said pre-blend with an aqueous emulsion of diene-based elastomer particles and/or with an organic solution of a diene-based elastomer, and/or with solid diene-based elastomers, and recovery therefrom of a solid rubber/carbon black composite comprised of said diene-based elastomer, (which may include butyl rubber, EPDM rubber and thermoplastic polymers), which contains a dispersion therein of said carbon black aggregates having an apparent density significantly lower than the specific gravity of said carbon black aggregates and significantly lower than compacted carbon black aggregates.

Abstract: The present invention describes a dispersion comprising a vehicle and a modified pigment. The modified pigment has, when measured in an aqueous medium, a zeta potential of 0.0 mV at a pH of between 5.0 and 11.0. Inkjet ink compositions and an inkjet consumable set are also disclosed.

Abstract: An ink composition containing a surface-modified pigment is provided which can realize anti-clogging properties and images having high print density. The ink composition comprises at least a colorant, glycerin, a glycol compound, and water, the colorant being a surface-modified pigment dispersible and/or dissolvable in water without any dispersant, the glycerin being contained in an amount of 3 to 30% by weight based on the ink composition, the glycol compound being contained in an amount of 1 to 20% by weight based on the ink composition and having a molecular weight of 130 to 3,000.

Abstract: The invention provides a surface modified carbon black and method for production. The surface modified carbon black is produced by reacting self-dispersing or oxidized carbon with a steric inducing compound via an organic acid halide intermediary. The steric inducing compounds are substantially soluble in the organic components of an ink composition and are reactive with an organic acid halide. Electrostatic and steric stability are provided by the surface modified carbon black. The surface modified carbon black exhibits solubility in aqueous and organic media and exhibits excellent resistance to coagulation within an ink jet printhead.

Abstract: A filler composition comprising a filler material and a hydrocarbonaceous material having a volatility of less than or equal to 5% at 200° and a time of 2 hours. The hydrocarboneous material may comprise a bituminous material comprising bitumen, oxibitumen, or mixtures thereof; petroleum/oil cracker residue bottoms, for example ethylene cracker residues (ECR); carbon black feedstock fuels comprising less than or equal to 5%, by weight, sulfur and having a molar hydrogen to carbon ratio between 0.90:1 and 1.10:1; linear or cyclic condensation products comprising an aromatic alcohol, for example, phenol, catechol, resorcinol, naphthol, and an aldehyde, for example formaldehyde, preferably where the aromatic alcohol is present in a molar excess; or mixtures thereof.

Abstract: An additive for enhancing the performance of industrial pigments. The additive improves dispersibility and is the reaction product of an amine, a fatty amine, and a polybasic acid.

Abstract: A printing ink composition is described which includes carbon black and an alkali metal hydroxide in combination with an alkenyl succinimide for the dispersion of the carbon black. Also disclosed is a method of preparing a carbon black printing ink composition which comprises dispersing the carbon black in a mineral oil in the presence of an alkali metal hydroxide and an alkenyl succinimide.

Abstract: The present invention relates to an anti-corrosive pigment composition, characterized by comprising, as main components, white anti-corrosive pigment and an inorganic anion exchanger represented by the following formula (1):(3-4)[M.sub.1 ]O.Al.sub.2 O.sub.3.[M.sub.2 ]X.sub.2/m .multidot.nH.sub.2 O(1)(wherein, M.sub.1 and M.sub.2 are at least one selected from Ca.sup.2+ or Zn.sup.2+, X represents at least one anion selected from NO.sub.2.sup.-, NO.sub.3.sup.- or MoO.sub.4.sup.2-, m represents a valency of the anion, and n is 20 or less).

Abstract: A process of producing a non-conductive ink formed from colorant particles and a non-conductive carrier liquid where the colorant particles are inherently of a low electrical resistivity. The process includes the steps of applying to the surface of the colorant particles a material with a high electrical resistivity to give the particle a higher surface resistivity and blending the treated colorant particle with the non-conductive carrier to form the non-conductive ink. The insulative material may be selected from polymers, waxes, organic pigments and dye stuffs and the colorant may be carbon black, magnetic iron oxide or metallic powder.

Abstract: A fingerprint ink is formulated from a solvent carrier and a low structure carbon dispersion. Carbon particles with an agglomerate size of less than 100 millimicrons are dispersed in a hydrocarbon soluble oleo resin to form the low structure carbon dispersion, with the carbon particles accounting for about 40% to 60% of the total dispersion and the dispersion accounting for 20% or less of the total ink formulation.

Abstract: Carbon black compositions comprising ethoxylated esters or polyethers and carbon black. The compositions may be produced by incorporating ethoxylated esters or polyethers onto fluffy carbon black in a pelletizing process to produce free flowing, low dust, attrition resistant carbon black pellets which are easily dispersible in most polymeric systems and impart to polymer compositions enhanced rheological and mechanical properties. The polymeric compositions have particular utility as semiconductive compositions or masterbatch compositions.

Abstract: Aqueous external release agent for pneumatic tires which contains a fatty alcohol polyglycol ether and conductive carbon black, for establishing the electrical resistance of the tire.

Abstract: The present invention relates to a process for producing briquetted and pressed granular material and the use thereof for coloring building materials, such as concrete, and organic media, such as paint systems, plastics and colored pastes.

Abstract: Disclosed is a recording liquid comprising a carbon black dispersed in an aqueous medium, which is characterized in that a toluene extract of the carbon black has an absorbance of 0.05 or less at .lambda.max within the range of from 330 nm to 340 nm or at 337.5 nm when the toluene extract does not have .lambda.max within the range of from 330 nm to 340 nm. The recording liquid can be used in ink-jet recording in high safety. During and after long storage of the recording liquid, the carbon black does not precipitate out. Using the recording liquid, reliable recording can be attained with good jettable durability of the liquid. Even when the recording liquid is recorded onto ordinary papers, high-quality images with good water-fastness and good light-fastness can be formed. The recording liquid is especially suitable for thermal ink-jet recording systems.

Abstract: An external release agent is disclosed which contains:I. Light Pigments:10 to 60 parts by weight of amorphous silica gel powder, optionally containing up to approximately 65% by weight of water of crystallization and having an average particle diameter of around 3 to 50 .mu.m;0 or 0.1 to 1.5 parts by weight of pyrogenic silica with an average particle diameter of around 12 nm;0 or 0.2 to 2.0 parts by weight of polypropylene wax.II. Colored Pigments:0.5 to 5.0 parts by weight of pigment-quality carbon black.III. Binders0.3 to 3 parts by weight of fatty acid methyl tauride, Na salt;or0.5 to 6.0 parts by weight of an aqueous polyethylene dispersion.IV. Carrier Liquid:45 to 66 parts by weight of water;0 to 5 parts by weight of isopropanol;0 to 5 parts by weight of foam inhibitor;0.05 to 0.1 parts by weight of thickener;0.01 to 0.1 parts by weight of biocide.

Abstract: The present invention provides for novel pigment-dispersant compositions, incorporating various pigments, such as for example carbon blacks, comprising dispersants which are esters of naphthenic acid, and higher and lower analogs thereof. The invention also provides for, processes for the preparation thereof and coating and rubber compositions comprising same. The dispersing agents employed the present invention have been found to be particularly useful as dispersing agents for conductive carbon black and other pigments.

Abstract: This invention relates to modifying the surface of particles for improved dispersion characteristics in aqueous, solvent, resinous, polymeric, cementitious or the like application systems. In particular, this invention relates to a pigment or filler particle whose surface is coated with at least one electric charge modifying agent and at least one dispersion promoting agent, which has improved dispersibility, coloring, handling, and other processing properties in application systems. The electric charge modifying agent may be selected from the group of Mg, Ca, Ba, Sr, Ti, V, Zr, Cr, Mn, Fe, Co, Ni, Cu, Zn, and Al. The dispersion promoting agent may be selected from the group of stearates, acetates, alkylphenols, cellulosics, waxes, lignins, polyacrylics, polyepoxies, polyurethanes, polyethylenes, polystyrenes and polypropylenes, and polymers having functional groups of alcohols, glycols, aldehydes, amides and carboxylic acids. Iron oxide is the preferred pigment particle.

Abstract: A pigment composition of improved dispersibility in thermoplastic resins and concentrates of the pigment composition in thermoplastic resin are provided. The pigment composition is comprised of an inorganic pigment such as titanium dioxide having an organophosphate ester treating agent deposited thereon.

Abstract: A fingerprint ink dispensing apparatus includes a ceramic disk positioned over an ink reservoir in the form, for example, of a felt pad. The ceramic disk has an average porosity of about 40% and an average pore size of about 5 microns. A colored pigment such as carbon black dispensed in a hydrocarbon oil is disposed in the reservoir with the concentration of the carbon black being about 22% by weight and the diameter of the carbon black particles falling within the range of 0.15 to 0.60 microns and the average size being about 0.35 microns.

Abstract: An water-in-oil emulsion duplicating ink comprising a water phase comprising an aqueous dispersion of oxidized carbon black and an oil phase comprising a saturated oil and an unsaturated oil. The ink compositions of the present invention dry quickly, and exhibit minimal dispersion in the paper upon which the ink is applied. The ink compositions of the present invention remain liquid for extended periods of time upon exposure to the atmosphere.

Abstract: The present invention provides for novel pigment-dispersant compositions, incorporating various pigments, such as for example carbon blacks, comprising dispersants which are esters of naphthenic acid, and higher and lower analogs thereof. The invention also provides for, processes for the preparation thereof and coating and rubber compositions comprising same.

Abstract: The technical field of the invention is concerned with smoke-generating devices and with powdered materials scattered by dispersion means in order to produce a camouflaging cloud which is effective in the infrared region. The material in accordance with the invention essentially consists of at least one powder having grains provided with a coating which is chemically inert with respect to the grain, which affords resistance to temperatures lower than or equal to the dispersion temperature, and which does not oxidize in free air.

Abstract: An improved rubber stock with a unique carbon black system including mismatched pairs of furnace blacks with fumed silica and a silane coupler has been developed. The carbon black system includes a mixture of large and small particles with high and low structure carbon black pairs. The carbon black system compounded with polar and nonpolar rubber provides products with a range of desirable characteristics using only two carbon blacks.

Abstract: Pigment preparations useful for preparing color ribbons contain from 20 to 40% by weight, based on the weight of the preparation, of a pigment based on carbon black, from 1 to 10% by weight, based on the weight of the preparation, of a dispersant based on a reaction product of polyhydroxystearic acid with an amine, and from 50 to 79% by weight, based on the weight of the preparation, of olein.

Abstract: Soap bars are prepared by mixing a soap base with a metal oxide coated mica pearlescent pigment, that is strongly colored, or alternately with the colorant added separately to the soap base, so that the soap bars are brightly colored.

Abstract: A powdery or granular fat or oil composition in the form of a powder or granules having a water content of 15% by weight or less, a maximum particle diameter of not greater than 10 mm, an average particle diameter of not greater than 5 mm and an angle of repose of not greater than 70%. The composition is produced simply by mixing only a fat or oil, a base material capable of occlusion or absorption of the fat or oil and a liquid polyol at a temperature at which the fat or oil is molten.

Abstract: A powdery or granular fat or oil composition in the form of a powder or granules having a water content of 15% by weight or less, a maximum particle diameter of not greater than 10 mm, an average particle diameter of not greater than 5 mm and an angle of repose of not greater than 70%. The composition is produced simply by mixing only a fat or oil, a base material capable of occlusion or absorption of the fat or oil and a liquid polyol at a temperature at which the fat or oil is molten.

Abstract: The alkali blue dry toner comprises 60 to 98 weight percent alkali blue pigment particles, 1 to 20 weight percent of di- and tri-decyl phosphate esters of free acids, and 1-20 weight percent of dehydroabietyl amine. The toner exhibits a high strength and soft texture in comparison with prior art pigment compositions made from similar ingredients.

Abstract: This invention is concerned with the treatment of particulate titanium dioxide and other pigments with a surfactant compound which serves to enhance its employment in pigmented and/or filled paints and plastics, paper making compositions and in reinforced plastic composite compositions.

Abstract: A process for producing coal fillers, which comprises the steps of:(a) carbonization step, which comprises carbonizing crushed coal particles having a particle size of not more than 10 mm and an ash content of not more than 10% by weight by thermal decomposition at a temperature of 500.degree. to 2,000.degree. C.; and cooling the carbonized solids;(b) ultrafine pulverization step, which comprises preparing a slurry of the carbonized solids having a solids content of 10 to 50% by weight by adding a dispersion medium to the carbonized solids; and ultrafinely pulverizing the carbonized solids dispersed in the slurry to reduce the average particle size to not more than 5 .mu.m;(c) agglomeration step, which comprises adjusting the solids content of the slurry to 1 to 20% by weight by further adding water to the slurry of the ultrafinely pulverized solids; adding an oil having a boiling point of not more than 150.degree. C.