C08K2201/016

High strength polyvinylidene fluoride based sized reinforcing fibers

The invention relates to sized reinforcing fibers that comprise a reinforcing fiber sized with a fluoropolymer. The fluoropolymer is functionalized and/or the reinforcing fiber is sized with a compatible functional non-fluorinated polymer that is compatible with the fluoropolymer. Functionalization of the fluoropolymer or the compatible non-fluorinated polymer provides enhanced properties, such as increased adhesion to the reinforcing fiber.

ELECTRICALLY CONDUCTIVE RESIN COMPOSITION AND ELECTROMAGNETIC SHIELDING MATERIAL THEREWITH

The electrically conductive resin composition may contain matrix resin, coke powder, and carbon fiber. The volume mean particle diameter of the coke powder may be not less than 1 μm and not more than 500 μm. The content percentage of the coke powder in the electrically conductive resin composition may be not less than 1 wt % and not more than 60 wt %. The aspect ratio of the carbon fiber may be not less than 3 and not more than 1700. The content percentage of the carbon fiber in the electrically conductive resin composition may be not less than 0.5 wt % and not more than 10 wt %.

WATERBORNE ANTIFOULING COATING MATERIAL COMPOSITION
20210301153 · 2021-09-30 · ·

A waterborne antifouling coating material composition according to one embodiment of the present invention includes: synthetic resin (A); at least one component (B) selected from a resin acid and a derivative thereof; flaky pigment (C) having an aspect ratio of 5 to 30; antifouling agent (D); and water (E), wherein a mass ratio (A):(B) between the synthetic resin (A) and the component (B) is 1:0.1 to 1:4.

INHIBITING CALCIUM CARBONATE ADDITIVE
20210179814 · 2021-06-17 ·

The use of inhibitory calcium carbonate as additive for a composition containing at least one polymer different from cellulose, wherein the inhibitory calcium carbonate is obtainable by means of a method in which calcium carbonate particles are coated with a composition comprising, based on its total weight, at least 0.1% by weight of at least one weak acid.

Further described is a composition containing at least one polymer different from cellulose and inhibitory calcium carbonate, wherein the inhibitory calcium carbonate is obtainable by means of a method in which calcium carbonate particles are coated with a composition comprising, based on its total weight, at least 0.1% by weight of at least one weak acid.

Preferred application areas of the composition encompass its use in food packaging, in products for agriculture and horticulture, in catering articles, in office articles, in medical technology products, in composites and/or in 3D-printing methods.

Alumina Products and Uses Thereof in Polymer Compositions with High Thermal Conductivity

Alumina products containing a fine particle size component and a coarse particle size component, and with specific particle size characteristics and irregular and non-spherical particle shapes, are disclosed. These alumina products can be used in polymer formulations to produce composites having high isotropic thermal conductivity.

COATING METHOD AND PRODUCT THEREOF

A process for the preparation of a coated substrate is described, in which a substrate is coated with a coating mixture containing a polymer and an amino acid-modified layered double hydroxide. The process of the invention is markedly simpler than conventional techniques for affording coated substrates having reduced permeability to degradative gases. The coated substrates obtainable by the process are particularly useful in packaging applications, notably in the food industry.

Molded Product Having Fabric Texture
20210179792 · 2021-06-17 ·

A molded product according to the present invention is a molded product having a structure in which colored particles are dispersed in thermoplastic resin, wherein the colored particles have an average particle size of about 250-3,200 μm as measured by a particle size analyzer, and are included in an amount of about 0.05-5 parts by weight with respect to about 100 parts by weight of the thermoplastic resin, a three-dimensional pattern is formed on at least one surface of the molded product, and the three-dimensional pattern has a 10-point average roughness (Rz) of about 50-500 μm and a number of different brightness values of about 30-60. The molded product has excellent impact resistance, excellent heat resistance, and the like, and has an appearance similar to actual fabric.

DISPERSIONS COMPRISING HIGH SURFACE AREA NANOTUBES AND DISCRETE CARBON NANOTUBES

The present application pertains to dispersions comprising oxidized, discrete carbon nanotubes and high-surface area carbon nanotubes. The oxidized, discrete carbon nanotubes comprise an interior and exterior surface, each surface comprising an interior surface oxidized species content and an exterior surface oxidized species content. The interior surface oxidized species content differs from the exterior surface oxidized species content by at least 20%, and as high as 100%. The high-surface area nanotubes are generally single-wall nanotubes. The BET surface area of the high-surface area nanotubes is from about 550 m.sup.2/g to about 1500 m.sup.2/g according to ASTM D6556-16. The aspect ratio is at least about 500 up to about 6000. The dispersions comprise from about 0.1 to about 30% by weight nanotubes based on the total weight of the dispersion.

THERMALLY CONDUCTIVE MOLDED RESIN ARTICLE

Provided is a thermally conductive molded resin article that can be inexpensively mass-produced and that exhibits a low thermal resistance value as a result of reducing internal thermal resistance by high filling and reducing interfacial thermal resistance by improving cutting precision. The thermally conductive molded resin article is characterized by comprising a resin and thermally conductive fillers including a first thermally conductive filler and a second thermally conductive filler having a smaller particle size than the first thermally conductive filler. The thermally conductive molded resin article is also characterized in that: the first thermally conductive filler has an aspect ratio of 10 or more and is oriented approximately in the thickness direction of the thermally conductive molded resin article; the resin is a silicone resin, an acrylic rubber, or a fluororubber; and the second thermally conductive filler has a thermal conductivity surpassing 5 W/mK.

Ferrite powder, resin composition, electromagnetic shielding material, electronic circuit substrate, electronic circuit component, and electronic device housing
11032955 · 2021-06-08 · ·

The present invention provides a powdered ferrite having high dispersibility in a resin and high electromagnetic shielding characteristics. The powdered ferrite comprises platy ferrite particles having a spinel crystal structure. The powdered ferrite comprises at least 50 number % platy ferrite particles each having at least one protrusion on a surface of the particle, and the protrusion has a shape selected from the group consisting of a rectangular pyramid, a truncated rectangular pyramid, an elongated rectangular pyramid, and combinations thereof.