Patent classifications
C08J2381/04
A Separator for an Electrolytic Cell
A separator for an electrolytic cell alkaline electrolysis (1) characterized in that the separator has a residual non-aqueous solvent amount of less than 5 wt %, relative to the total dry weight of the separator.
POLYARYLENE SULFIDE DISPERSION, POWDER PARTICLES, METHOD FOR PRODUCING POLYARYLENE SULFIDE DISPERSION, AND METHOD FOR PRODUCING POWDER PARTICLES
An object of the present invention is to provide a polyarylene sulfide dispersion which has high dispersion stability even if the polyarylene sulfide resin concentration is high, and which is coated with an anionic group-containing organic polymer compound having excellent bondability and adhesion to various base materials such as plastics, metals, and glasses. The present invention solves the aforementioned problem by providing a polyarylene sulfide dispersion which is including polyarylene sulfide particles having high stability even at a high concentration by being coated with an anionic group-containing organic polymer compound according to an acid deposition method; and powder particles obtained from the polyarylene sulfide dispersion.
RESIN-RUBBER COMPOSITE
A resin-rubber composite in which a polyamide-based resin-molded product or a polyphenylene sulfide-based resin-molded product is directly vulcanization-bonded to a peroxide-crosslinkable nonpolar rubber composition, which forms a rubber layer, without interposing an adhesive, wherein both resin-molded products have a polymerized film with a radical, which is formed by activating the surface of the product, in the case of polyamide-based resin-molded products, by low-pressure plasma treatment by a microwave method using inert gas, or by activating the surface of the product, in the case of polyphenylene sulfide-based resin-molded products, by low-pressure plasma treatment by a microwave method using active gas, and then performing low-pressure plasma treatment by a microwave method using a hydrocarbon-based monomer in both cases. The resin-rubber composite can be effectively used for drum seals, automobile parts such as side cover seals for transmissions, anti-vibration rubber, resin rubber laminate hoses, and the like.
POLYARYLENE SULFIDE-DERIVED RESIN COMPOSITION AND INSERT MOLDED BODY
A polyarylene sulfide-derived resin composition which has flowability optimal for insert molding and which can impart superior high- and low-temperature impact properties to a molded body, and an insert-molded body using the resin composition. The resin composition includes a polyarylene sulfide resin having carboxylic terminal groups, an olefin-derived copolymer, glass fibers and calcium carbonate. The weight-average molecular weight of the polyarylene sulfide resin is 15,000-40,000; as copolymerization components, the olefin-derived copolymer includes -olefins, glycidyl esters of ,-unsaturated acids, and acrylic esters, and the content of the copolymerization component derived from the glycidyl esters in the resin composition is 0.2-0.6 mass %. Further, the fiber diameter of the glass fibers is 9-13 m, the average particle diameter of the calcium carbonate is 10-50 m, and the total content of glass fibers and the calcium carbonate is 45-55 mass % of the resin composition.
Process for preparing particles of polyphenylene sulfide polymer
The invention relates to a process for preparing particles of polyphenylene sulfide polymer (PPS), based on the use of a polyester polymer (PE) comprising units from a dicarboxylic acid component and a diol component, wherein at least 2 mol. % of the diol component is a poly(alkylene glycol). The process comprises the melt-blending of the PPS with the PE, the cooling the blend and the recovery of the particles by dissolution of the PE into water. The present invention relates to PPS particles obtained therefrom and to the use of these particles in SLS 3D printing, coatings and toughening of thermoset resins.
SOLID IONICALLY CONDUCTING POLYMER MATERIAL
A solid, ionically conductive, non-electrically conducting polymer material with a plurality of monomers and a plurality of charge transfer complexes, wherein each charge transfer complex is positioned on a monomer.
Salt Byproduct Separation During Formation of Polyarylene Sulfide
Methods of forming a polyarylene sulfide and systems as may be utilized in carrying out the methods are described. Included in the formation method is a filtration process for treatment of a mixture, the mixture including a polyarylene sulfide, a salt byproduct of the polyarylene sulfide formation reaction, and a solvent. The filtration process includes maintaining the downstream side of the filter medium at an increased pressure. The downstream pressure can such that the boiling temperature of the mixture at the downstream pressure can be higher than the temperature at which the polyarylene sulfide is insoluble in the solvent.
FIBER-REINFORCED THERMOPLASTIC RESIN FILAMENT AND SHAPED PRODUCT THEREOF
A fiber-reinforced thermoplastic resin filament includes at least one substance selected from the group consisting of polyphenylene sulfide resins, polyarylene ether ketone resins, polyamides, polycarbonates, polyether imide resins, polyethersulfone resins, and liquid crystal polymer resins impregnated in a plurality of continuous reinforcing fibers; in a cross-section perpendicular to the axial direction of the fiber-reinforced thermoplastic resin filament, the OUT/IN ratio of the reinforcing fibers is 0 to 90%, the OUT/IN ratio being defined as the ratio of the reinforcing fiber volume content in an outer periphery that spans 15% of the thickness of the filament inward from the outer edge, to the reinforcing fiber volume content in an inner portion that excludes the outer periphery; and the coefficient of static friction of the surface is 0.20 to 0.80.
METAL/GLASS FIBER-REINFORCED THERMOPLASTIC RESIN COMPOSITE MATERIAL
Provided is a metal-glass fiber-reinforced thermoplastic resin composite material in which productivity of glass fiber, and mechanical strength of a glass fiber-reinforced thermoplastic resin material are high, and excellent heat cycle resistance is provided between a metal material and the glass fiber-reinforced thermoplastic resin material. The metal-glass fiber-reinforced thermoplastic resin composite material includes a metal material, and a glass fiber-reinforced thermoplastic resin material, wherein a difference T between a 500 poise temperature T1 and a 10000 poise temperature T2 of glass fiber included in the glass fiber-reinforced thermoplastic resin material is 162 to 181 C., a glass filament has a ratio (long diameter/short diameter) A of a long diameter to a short diameter thereof of 1.5 to 4.5, and a glass content C of the glass fiber-reinforced thermoplastic resin material is 20.0 to 65.0% by mass.
METHOD OF PREPARING POLYMER PARTICLES AND POLYMER PARTICLES PREPARED THEREBY
Fine polymer particles are prepared by dissolving a polycarbonate, a poly(arylene ether), or a poly(arylene ether sulfone), each in a specific solvent, to form a slurry, heating the slurry to a temperature greater than the solvent boiling point to form a homogeneous solution, cooling the solution to form a dispersion of fine particles, and isolating the fine particles. A volume-based distribution of the isolated fine particles has a median equivalent spherical diameter less than or equal to 125 micrometers.