C08K2003/324

POLYMER MATERIAL FOR TOYS AND PREPARATION EQUIPMENT THEREOF
20220204736 · 2022-06-30 ·

The present invention relates to the technical field of polymer material preparation, and discloses a polymer material for toys and a preparation equipment thereof, whereby the preparation equipment of the polymer material for toys includes an open mixer main body and a twisting mechanism mounted on the open mixer main body, and the twisting mechanism includes: a fixed ring, wherein the fixed ring is fixedly installed on the top of the open mixer main body, and a mounting flange is rotatably sleeved inside the fixed ring; a rotating gear ring, wherein the rotating gear ring is fixed with the mounting flange, and a first rotating shaft and a second rotating shaft are rotatably installed inside the rotating gear ring. Through the rotation of the rotating gear ring, the preparation equipment of the polymer material for toys enables the molten mixture located between a first twisting roller and a second twisting roller to be twisted and kneaded together, facilitating the uniform mixing of the mixture. This process is easy to operate and reduces labor costs.

Thermoplastic compositions having high stiffness and methods of making them

An extruded thermoplastic composition includes: (a) from about 20 wt % to about 75 wt % of a ceramic fiber component; (b) from about 15 wt % to about 70 wt % of a polybutylene terephthalate (PBT) component including a high molecular weight PBT and a low molecular weight PBT; (c) from about 5 wt % to about 23 wt % of a polycarbonate component; and (d) from about 1 wt % to about 10 wt % of a compatibilizer component. Methods of making the extruded thermoplastic composition are also described.

LIQUID APPLIED ROOFING FORMULATIONS AND METHODS OF USING THE SAME TO COAT AT LEAST ONE STEEP SLOPE ROOF SUBSTRATE
20220186492 · 2022-06-16 ·

Some embodiments of the present disclosure relate to a method comprising: obtaining a base formulation, obtaining an activator formulation, mixing the base formulation with the activator formulation, so as to result in a liquid applied roofing formulation, applying the liquid applied roofing formulation to at least one steep slope roof substrate, and solidifying the formulation, so as to form at least one coating layer on the at least one steep slope roof substrate. Some embodiments of the present disclosure relate to a liquid applied roofing formulation comprising a first part and a second part. In some embodiments, the first part comprises the base formulation and the second part comprises the activator formulation.

Thermoplastic polyester resin composition and molded article

A thermoplastic polyester resin composition includes a thermoplastic polyester resin (A), an epoxy compound (B) having an epoxy equivalent of from 200 to 3,000 g/eq, and a hydroxy group-containing resin (C) having a number average molecular weight of from 2,000 to 500,000 and a halogen element content of 1,000 ppm or less, wherein the epoxy compound (B) is blended in an amount of from 0.05 to 10 parts by weight with respect to 100 parts by weight in total of 70 to 99.9 parts by weight of the thermoplastic polyester resin (A) and 0.1 to 30 parts by weight of the hydroxy group-containing resin (C). The thermoplastic resin composition and a molded article achieve both long-term hydrolysis resistance and heat aging resistance at a high level, and can further suppress bleed-out to the surface of the molded article during heat-dry and heat-moisture treatments.

Positive electrode plate, electrochemical device and safety coating

The present application relates to a positive electrode plate, an electrochemical device and a safety coating. The positive electrode plate comprises a current collector, a positive active material layer and a safety coating disposed between the current collector and the positive active material layer, the safety coating comprising a fluorinated polyolefin and/or chlorinated polyolefin polymer matrix, a conductive material and an inorganic filler. The positive electrode plate can quickly disconnect circuit when the electrochemical device (such as a capacitor, primary battery, or secondary battery, and the like) is in a high temperature condition or an internal short circuit occurs, thereby improving high temperature safety performance of the electrochemical device.

RESIN COMPOSITION FOR SLIDING MEMBER, AND SLIDING MEMBER
20230272217 · 2023-08-31 ·

A resin composition for sliding member according to the present invention contains 40 to 80 mass% of a polyphenylene sulfide resin and as an additive, 15 to 40 mass% of a polytetrafluoroethylene resin, 2 to 20 mass% of an ultra-high molecular weight polyethylene resin, 0.1 to 5 mass% of a modified polyolefin resin, and 0.5 to 5 mass% of an amorphous polymer.

Wet and Dry Surface Adhesives

A pressure sensitive adhesive comprising the polymerization product of a polymerizable composition comprising: (a) one or more (meth)acrylate ester monomers; (b) one or more hydrophilic non-acidic monomers; and (c) reactive, ionic surfactant. Also articles comprising such adhesives and methods for making such adhesives and such articles.

Method for producing a partially recycled polyaryletherketone powder by sintering
20220145039 · 2022-05-12 · ·

A process for the layer-by-layer manufacture of a three-dimensional object by sintering of a powder based on PAEK(s) with electromagnetic radiation, wherein the powder includes at least one PAEK and at least one phosphate, said powder being, at least in part, a recycled powder. The recycled powder is obtainable by continuous or discontinuous heating, over a period of at least six hours, of a powder of the same composition at a constant or nonconstant temperature, strictly between the glass transition temperature, Tg, and the melting temperature, Tm, of the powder. Also, an article obtained by this process and to uses of phosphate(s) in compositions based on PAEK(s).

Gas Barrier Resin Composition, Method for Producing Gas Barrier Resin Composition, and Molded Product
20230250269 · 2023-08-10 · ·

Provided are: a gas barrier resin composition having sufficient long-run workability and superior gas barrier properties which compare favorably to those of fossil fuel-derived resins, while containing a biomass-derived raw material; a multilayer structure in which the gas barrier resin is used; and a method for producing such a gas barrier resin composition. The gas barrier resin composition contains at least one type of saponified ethylene-vinyl ester copolymer, wherein of ethylene and a vinyl ester, which are raw materials of the at least one type of saponified ethylene-vinyl ester copolymer, a part is derived from biomass, and a remainder is derived from a fossil fuel.

Thermoplastic resin composition for laser direct structuring process and article comprising the same

A thermoplastic resin composition and a molded article including the same. The thermoplastic resin composition includes: about 100 parts by weight of a thermoplastic resin; about 1 to about 30 parts by weight of an additive for laser direct structuring (LDS additive); about 0.01 to about 5 parts by weight of a hindered phenol-based compound; about 0.01 to about 10 parts by weight of a sodium phosphate salt; about 0.01 to about 5 parts by weight of a phosphite compound; about 0.01 to about 5 parts by weight of a sulfonate compound; and about 0.01 to about 10 parts by weight of a metal oxide, wherein a weight ratio of the hindered phenol-based compound, the sodium phosphate salt, the phosphite compound and the sulfonate compound to the metal oxide may range from about 2:1 to about 10:1. The thermoplastic resin composition has good properties in terms of plating reliability and thermal stability (discoloration resistance) and can secure good injection molding stability by suppressing gas generation upon injection molding.