C09D153/025

MAGNETIC COATING MATERIAL, MAGNETIC SHEET, AND METAL COMPATIBLE TAG
20230039179 · 2023-02-09 · ·

Disclosed are a magnetic coating material, a magnetic sheet, and a metal compatible tag that have excellent magnetic shielding characteristics against radio waves in the UHF band and do not interfere with a distribution process. A magnetic coating material includes a magnetic filler and a binder resin, wherein the magnetic filler is an Fe—Cr alloy, and wherein in a magnetic sheet formed from the magnetic coating material, complex relative permeability in 860 MHz to 960 MHz has a loss factor tan δ of 0.3 or less and a real part μ′ of 5 or more. Also, a magnetic coating material includes a magnetic filler and a binder resin, wherein the magnetic filler is an Fe—Cr alloy, and wherein a mass ratio of the magnetic filler to a solid content of the binder (mass of the magnetic filler/mass of the solid content of the binder) is from 70/30 to 95/5.

MAGNETIC COATING MATERIAL, MAGNETIC SHEET, AND METAL COMPATIBLE TAG
20230039179 · 2023-02-09 · ·

Disclosed are a magnetic coating material, a magnetic sheet, and a metal compatible tag that have excellent magnetic shielding characteristics against radio waves in the UHF band and do not interfere with a distribution process. A magnetic coating material includes a magnetic filler and a binder resin, wherein the magnetic filler is an Fe—Cr alloy, and wherein in a magnetic sheet formed from the magnetic coating material, complex relative permeability in 860 MHz to 960 MHz has a loss factor tan δ of 0.3 or less and a real part μ′ of 5 or more. Also, a magnetic coating material includes a magnetic filler and a binder resin, wherein the magnetic filler is an Fe—Cr alloy, and wherein a mass ratio of the magnetic filler to a solid content of the binder (mass of the magnetic filler/mass of the solid content of the binder) is from 70/30 to 95/5.

Antimicrobial Spray Composition

An antimicrobial spray composition is disclosed, forming a protective film on surfaces when dried. The protective film provides antimicrobial protection by killing at least 95% of microorganisms in <30 minutes of exposure. The spray composition comprises a sulfonated polymer selected from the group of perfluorosulfonic acid polymers, polystyrene sulfonates, sulfonated block copolymers, sulfonated polyolefins, sulfonated polyimides, sulfonated polyamides, sulfonated polyesters, sulfonated polysulfones, sulfonated polyketones, sulfonated poly(arylene ether), and mixtures thereof. The sulfonated polymer has a degree of sulfonation of at least 10%

Primer compositions for injection molding

A curable primer composition comprising:(a) a curable component such as methacrylate; (b) a cure initiating component; and (c) a polymer material selected from the group consisting of: (i) block polymers represented by S-A-S where S is polystyrene and A stands for a polymer or copolymer formed from one or more of ethylene, propylene, butylene, and styrene, which are optionally substituted with carboxylic acid or maleic anhydride; provided that when A comprises styrene then A is a copolymer of styrene with at least one of ethylene, propylene and butylene, and is optionally substituted with carboxylic acid or maleic anhydride; and (ii) polystyrene-poly(ethylene-propylene) (“SEP”); and (iii) any combination of said polymer materials. The composition is applied to a part then photocured. It is dry to touch. Thereafter a thermoplastic material such as a polyolefin is overmolded (e.g. injection molded) over the applied composition. It enhances bond strength of the polyolefin to the part.

Modified Diene Copolymers and Their Use

The present invention provides a modified diene copolymer composition having a modified A-B-C or C-B-A copolymer comprising at least one conjugated diene monomer and at least one unsubstituted vinyl aromatic monomer and at least one substituted vinyl aromatic monomer, wherein each block or segment in the modified A-B-C or C-B-A copolymer is either a homopolymer or a copolymer comprising at least one conjugated diene monomer and/or at least one unsubstituted vinyl aromatic monomer and/or at least one substituted vinyl aromatic monomer, wherein any of the copolymers have a distribution configuration that is tapered, counter tapered, random or controlled, and wherein any of the homopolymers or the copolymers comprising at least one conjugated diene monomer and/or at least one unsubstituted vinyl aromatic monomer may be in-chain and/or chain-end modified with at least one unit of at least one substituted vinyl aromatic monomer; optionally having a block copolymer made from the modified A-B-C or C-B-A copolymer, wherein the block copolymer comprises at least two of the modified A-B-C or C-B-A copolymers. The invention also provides a process for making the modified diene copolymer composition.

Method for coating gum of self-adhesive mat with spaced-apart gum
11485125 · 2022-11-01 · ·

The present invention discloses a method for coating gum of self-adhesive mat with spaced-apart gum, using a mat body, gum layers being spaced apart on a bottom surface of the mat body, including the following steps of: weighing raw materials of components in a determined proportion, stirring uniformly by a stirrer that supplies hot air for dehumidification, conveying the mixture to an extruder through a screw, thermally melting by the screw extruder, extruding from rectangular discharge ports formed at intervals on the extruder and vertically falling onto an upper roller (the roller surface is a smooth surface) of a rolling and combining device, passing a mat body from an unwinding device to a lower roller of the rolling and combining device, rolling the mat body by adjusting a gap between the upper and lower rollers by a lead screw, forming self-adhesive gum layers, which are spaced apart from each other, on the back of the mat body. The gum using hydrogenated styrene-butadiene block copolymer (SEBS) as a main raw material coating on the bottom surface. According to the present invention, the gum is able to adequately adsorb the mat onto the floor due to its good flexibility, and allow the mat to move without affecting the adsorption effect due to its good detachability. Meanwhile, the mat is non-toxic and environmentally friendly, can be washed repeatedly without affecting its self-adhesive adsorption effect and can be reused. It is of great significance for the development of mats.

Method for coating gum of self-adhesive mat with spaced-apart gum
11485125 · 2022-11-01 · ·

The present invention discloses a method for coating gum of self-adhesive mat with spaced-apart gum, using a mat body, gum layers being spaced apart on a bottom surface of the mat body, including the following steps of: weighing raw materials of components in a determined proportion, stirring uniformly by a stirrer that supplies hot air for dehumidification, conveying the mixture to an extruder through a screw, thermally melting by the screw extruder, extruding from rectangular discharge ports formed at intervals on the extruder and vertically falling onto an upper roller (the roller surface is a smooth surface) of a rolling and combining device, passing a mat body from an unwinding device to a lower roller of the rolling and combining device, rolling the mat body by adjusting a gap between the upper and lower rollers by a lead screw, forming self-adhesive gum layers, which are spaced apart from each other, on the back of the mat body. The gum using hydrogenated styrene-butadiene block copolymer (SEBS) as a main raw material coating on the bottom surface. According to the present invention, the gum is able to adequately adsorb the mat onto the floor due to its good flexibility, and allow the mat to move without affecting the adsorption effect due to its good detachability. Meanwhile, the mat is non-toxic and environmentally friendly, can be washed repeatedly without affecting its self-adhesive adsorption effect and can be reused. It is of great significance for the development of mats.

Method of producing protected particles of cathode active materials for lithium batteries
11652211 · 2023-05-16 · ·

A method of producing a powder mass for a lithium battery, the method comprising: (a) providing a solution containing a sulfonated elastomer dissolved in a solvent or a precursor in a liquid form or dissolved in a solvent; (b) dispersing a plurality of particles of a cathode active material in the solution to form a slurry; and (c) dispensing the slurry and removing the solvent and/or polymerizing/curing the precursor to form the powder mass, wherein the powder mass comprises multiple particulates and at least a particulate comprises one or a plurality of particles of a cathode active material being encapsulated by a thin layer of sulfonated elastomer having a thickness from 1 nm to 10 μm, a fully recoverable tensile strain from 2% to 800%, and a lithium ion conductivity from 10.sup.−7 S/cm to 5×10.sup.−2 S/cm at room temperature.

Self-Disinfecting Frequently Touched Surface

A frequently-touched surface for use by multiple users includes a surface protected by a laminate structure. The laminate structure includes a self-sterilizing sulfonated polymeric outer layer, sulfonated to a certain % to kill at least 95% microbes within 30 minutes of contact. The self-sterilizing sulfonated polymer layer can be applied to the frequently touched surface by any of coating, lamination, and spraying. The sulfonated polymer in embodiment is selected from perfluorosulfonic acid polymers, polystyrene sulfonates, sulfonated block copolymers, sulfonated polyolefins, sulfonated polyimides, sulfonated polyamides, sulfonated polyesters, sulfonated polysulfones, sulfonated polyketones, sulfonated poly(arylene ether), and mixtures thereof. The sulfonated polymer has a degree of sulfonation of at least 10%.

Gloss removable coating
11667796 · 2023-06-06 · ·

A coating composition comprises at least one solvent, at least one resin, and at least one filler, wherein the filler is silica-deficient, sodium-potassium alumina silicate. The silica-deficient filler may be a sodium-potassium alumina silicate that contains less than 0.1 percent by weight crystalline silica and is 5 percent by weight or less of the coating composition or 1 percent by weight or less of the coating composition. In the later instance, the coating composition contains less than 0.001 percent crystalline silica. The resin may comprise styrene, styrenic copolymers, or mixtures including styrene. The composition provides a temporary gloss coating that may be removed physically, as by peeling for example. A method for coating a substrate with a coating that maybe removed by physical means is also provided. The method comprises applying the disclosed coating composition.