C01P2006/19

Carbon black and rubber compounds incorporating same

Carbon blacks such as reinforcing-grade carbon blacks with high structure are described. The carbon black can have the following properties: a statistical thickness surface area (STSA) ranging from 80 m.sup.2/g to 150 m.sup.2/g, an oil absorption number (OAN) of at least 180 mL/100 g, and a crushed oil absorption number (COAN) of at least 110 mL/100 g. Rubber compounds which incorporate the carbon black also are described.

GRANULAR CONDUCTIVE CARBON BLACK AND PREPARATION METHOD THEREOF
20210054214 · 2021-02-25 ·

A granular conductive carbon black and a preparation method thereof, belonging to the technical field of conductive carbon blacks. The method for preparing a granular conductive carbon black includes making a raw material of the conductive carbon black undergo moistening with water of a temperature of 80 C. or higher, performing wet granulation and drying in sequence. The raw material of the conductive carbon black is infiltrated by the water of a temperature of 80 C. or higher, so that the hydrophilic property of the raw material of the conductive carbon black is enhanced, the water of a temperature of 80 C. or higher enters the microporous structures of the raw material of the conductive carbon black, then a good moistening effect is achieved, and further the granular conductive acetylene carbon black with uniform particle size distribution is prepared through wet granulation and drying.

COMPOSITIONS CONTAINING CARBON BLACK AND GRAPHENES ADDITIVES, RELATED ELECTRODES AND RELATED BATTERIES
20210066708 · 2021-03-04 ·

An electrode includes an electrode composition having graphenes; carbon black particles having a Brunauer-Emmett-Teller (BET) surface area greater than 90 m.sup.2/g, and an oil adsorption number (OAN) greater than 150 mL/100 g, wherein the ratio of the carbon black particles to the graphenes ranges from 3:1 to 6:1 by weight; and an electroactive material selected from the group consisting of lithium nickel cobalt manganese oxide and lithium nickel cobalt aluminum oxide, wherein the total concentration of the graphenes and the carbon black particles is equal to or less than 2 wt % of the electrode composition; and a current collector contacting the electrode composition.

COMPOSITE PARTICLES HAVING COATED AGGREGATES WITH LOW STRUCTURE CARBON BLACK CORES, COATINGS AND INKS WITH HIGH RESISTIVITY AND OPTICAL DENSITY, DEVICES MADE THEREWITH, AND METHODS FOR MAKING SAME

Composite particles that super-aggregates of coated aggregates having low structure carbon black cores and metal/metalloid oxide mantles are described. Coatings containing filler-polymer compositions which have the composite particles as filler, such as curable coatings and cured coatings or films formed therefrom containing the filler-polymer compositions, with combinations of high resistivity, good optical density properties, good thermal stability, high dielectric constant, and good processability, along with their use in black matrices, black column spacers, light shielding elements in LCDs and other display devices, also are described. Inks containing the composite particle are described. Devices having these compositions, components and/or elements, and methods of preparing and making these various materials and products are described.

Process for controlling the porosity of carbon blacks

The present invention relates to a furnace black having a STSA surface area of at 130 m.sup.2/g to 350 m.sup.2/g wherein the ratio of BET surface area to STSA surface area is less than 1.1 if the STSA surface area is in the range of 130 m.sup.2/g to 150 m.sup.2/g, the ratio of BET surface area to STSA surface area is less than 1.2 if the STSA surface area is greater than 150 m.sup.2/g to 180 m.sup.2/g, the ratio of BET surface area to STSA surface area is less than 1.3 if the STSA surface area is greater than 180 m.sup.2/g, and
the STSA surface area and the BET surface area are measured according to ASTM D 6556 and to a furnace process wherein the stoichiometric ratio of combustible material to O.sub.2 when forming a combustion gas stream is adjusted to obtain a k factor of less than 1.2 and the inert gas concentration in the reactor is increased while limiting the CO.sub.2 amount fed to the reactor. Also provided is an apparatus for conducting the process according to the present invention.

SPHERICAL SILICA FOR TUBULE OCCLUSION

Spherical silica and/or silicate particles having a d50 median particle size from 1 to 5 m, a d95 particle size less than 8 m, an oil absorption from 40 to 100 cc/100 g, a pack density from 20 to 60 lb/ft.sup.3, and a sphericity factor (S.sub.80) of at least 0.9, are disclosed, as well as methods for making these spherical particles, and dentifrice compositions containing the spherical particles.

TRANSFER MEMBER FOR PRINTING SYSTEMS
20210017356 · 2021-01-21 ·

There is disclosed a layered article that can be used in indirect printing, in analog or digital processes. The layered article, when configured as a transfer member, may serve to receive an ink in any form, allow the ink to be treated so as to form an ink image, and permit the application of the ink image on a substrate. The transfer member comprises a support layer and an imaging layer, which may be formed of a silicon matrix including dispersed carbon black particles. Methods for preparing the same are also disclosed.

CARBON BLACK, METHOD FOR PRODUCING CARBON BLACK, AND RUBBER COMPOSITION
20210017393 · 2021-01-21 · ·

It is intended to provide a carbon black which can confer reinforcing properties and low exothermicity, which are usually incompatible, as well as excellent abrasion resistance, when mixed with a rubber component, and is suitable for tire tread rubber that is used particularly under severe driving conditions.

The present invention provides a carbon black having surface free energy .sup.d of 50 to 200 mJ/m.sup.2 determined by a reverse-phase gas chromatography analysis method and a strongly acidic group concentration of 0 to 0.115 mol/m.sup.2.

PARTICLE SYSTEMS AND METHODS
20210017031 · 2021-01-21 ·

Particles with suitable properties may be generated using systems and methods provided herein. The particles may include carbon particles. In some examples, carbon particles for metallurgy applications are provided.

SYSTEMS AND METHODS FOR PARTICLE GENERATION
20210017025 · 2021-01-21 ·

Particles with suitable properties may be generated. The particles may include carbon particles.