Methods for producing highly spherical particles that comprise: mixing a mixture comprising: (a) nanoclay-filled-polymer composite comprising a nanoclay dispersed in a thermoplastic polymer, (b) a carrier fluid that is immiscible with the thermoplastic polymer of the nanoclay-filled-polymer composite, optionally (c) a thermoplastic polymer not filled with a nanoclay, and optionally (d) an emulsion stabilizer at a temperature at or greater than a melting point or softening temperature of the thermoplastic polymer of the nanoclay-filled-polymer and the thermoplastic polymer, when included, to disperse the nanoclay-filled-polymer composite in the carrier fluid; cooling the mixture to below the melting point or softening temperature to form nanoclay-filled-polymer particles; and separating the nanoclay-filled-polymer particles from the carrier fluid.

Methods for producing highly spherical particles that comprise: mixing a mixture comprising: (a) nanoclay-filled-polymer composite comprising a nanoclay dispersed in a thermoplastic polymer, (b) a carrier fluid that is immiscible with the thermoplastic polymer of the nanoclay-filled-polymer composite, optionally (c) a thermoplastic polymer not filled with a nanoclay, and optionally (d) an emulsion stabilizer at a temperature at or greater than a melting point or softening temperature of the thermoplastic polymer of the nanoclay-filled-polymer and the thermoplastic polymer, when included, to disperse the nanoclay-filled-polymer composite in the carrier fluid; cooling the mixture to below the melting point or softening temperature to form nanoclay-filled-polymer particles; and separating the nanoclay-filled-polymer particles from the carrier fluid.

A method for manufacturing resin particles is provided. The method includes the steps of: dissolving a resin free of poly(lactic-co-glycolic acid) (PLGA) in a good solvent of the resin to prepare a resin solution; and discharging the resin solution from at least one discharge hole having an inner diameter of less than 1,000 μm into a poor solvent of the resin to form resin particles.

A method for manufacturing resin particles is provided. The method includes the steps of: dissolving a resin free of poly(lactic-co-glycolic acid) (PLGA) in a good solvent of the resin to prepare a resin solution; and discharging the resin solution from at least one discharge hole having an inner diameter of less than 1,000 μm into a poor solvent of the resin to form resin particles.

The present invention provides a polypropylene-polyphenylene ether-polystyrene ternary alloy, including the following components in parts by weight: 100 parts of a polypropylene and a polyphenylene ether and a polystyrene, wherein the polypropylene accounts for 10% to 60%, the polyphenylene ether accounts for 10% to 60%, and the polystyrene accounts for 5% to 30%; 5 parts to 25 parts of a compatibilizer; and 10 parts to 60 parts of a polyphosphate compound. The polypropylene-polyphenylene ether-polystyrene ternary alloy of the present invention has an advantage of a less smoke release amount during melt.

The present invention provides a polypropylene-polyphenylene ether-polystyrene ternary alloy, including the following components in parts by weight: 100 parts of a polypropylene and a polyphenylene ether and a polystyrene, wherein the polypropylene accounts for 10% to 60%, the polyphenylene ether accounts for 10% to 60%, and the polystyrene accounts for 5% to 30%; 5 parts to 25 parts of a compatibilizer; and 10 parts to 60 parts of a polyphosphate compound. The polypropylene-polyphenylene ether-polystyrene ternary alloy of the present invention has an advantage of a less smoke release amount during melt.

A resin matrix composite used as anti-ablation coating material and its preparation method is provided. The resin matrix composite is a mixture of yttria-stabilized zirconia (YSZ), a resin, Cu, and SiO.sub.2. The mixture is uniform and include spherical particles or spherical aggregates. A method for preparing a resin matrix composite for anti-ablation coating includes mixing YSZ, a resin, Cu, and SiO.sub.2 to obtain a mixed powder and performing spray granulation of the mixed powder to obtain a resin matrix composite including spherical particles or spherical agglomerates.

A method for producing a stabilizer composition for a polymer and a stabilizer composition produced by the method. At least one carboxylic acid is reacted with at least one metal compound, such as at least one metal hydroxide and/or at least one metal oxide and/or at least one metal carbonate, thereby forming a metal carboxylate of the carboxylic acid. The reaction of the carboxylic acid with the metal compound is carried out in a continuous manner in an extruder while reaction water being formed is discharged out of the extruder.

A method for applying a high friction surface roadway treatment and composition used therein is disclosed. The method comprises the steps of: providing a binder composition, comprising: 10-99.9 wt. % of a resin; 0.1-70 wt. % of an elastomer; heating the binder composition to a sufficient temperature to obtain a molten binder composition; applying a layer of the molten binder composition; and applying a layer comprising aggregate having a nominal maximum size of at least 1 mm, and an embedment depth of at least 30% in the molten binder composition layer. The resin is selected from hydrocarbon resins, alkyd resins, rosin resins, rosin esters, and combinations thereof.

The present disclosure provides an ultralow-glossiness, ultralow-temperature resistant ASA resin composition and preparation method thereof. The composition includes the following components in parts by weight: 20˜60 parts of an acrylonitrile-styrene-acrylate graft copolymer, 40˜80 parts of an acrylonitrile-styrene copolymer, 1˜20 parts of an ultralow-glossiness, low temperature resistant modifier, and 0.1˜5 parts of a processing aid. The ultralow-glossiness, low temperature resistant modifier includes a carrier copolymer, a fluorinated copolymer, a low-temperature flexibilizer, a coupling agent, fumed silica and an assistant. The ASA resin composition prepared by the present disclosure has an ultralow-glossiness, can be used to replace mold processing technology such leather marking and texturing, which greatly saves mold cost and processing production cost; and meanwhile it also has excellent low temperature resistance and can be applied in cases having requirements on low temperature resistance and low glossiness such as automobile parts, outdoor profiles, building materials and electrical appliances.