C08J2477/06

POLYAMIDE MOULDING COMPOSITIONS FOR GLASS COMPOSITES
20240026079 · 2024-01-25 · ·

Thermoplastic polyamide moulding composition consisting of: (A) 30-99.9 percent by weight of at least one polyamide selected from the group consisting of: at least one aliphatic or semiaromatic polyamide, in each case with C:N ratio at least 8; at least one aliphatic or semiaromatic polyamide composed of at least one dicarboxylic acid and of at least one diamine and also optionally a proportion below 50 mol percent based on the entirety of dicarboxylic acids and diamine as 100 mol percent, of lactams and/or aminocarboxylic acids; and mixtures thereof; (B) 0.1-5.0 percent by weight of polyethyleneimine (PEI) or copolymers or derivatives thereof; (C) 0-60 percent by weight of fillers and/or reinforcing materials; (D) 0-5.0 percent by weight of additives; where the entirety of (A)-(D) provides 100% of the thermoplastic polyamide moulding composition, and also uses of such moulding compositions in particular in the context of components bonded to mineral glass.

Prepreg, fiber-reinforced composite material, and resin composition containing particles

A prepreg 10 comprises: a reinforcing fiber layer 3 including reinforcing fibers 1 and a resin composition 2 with which the space between fibers of the reinforcing fibers is impregnated and which contains (A) a benzoxazine resin, (B) an epoxy resin, and (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule; and surface layers 6a and 6b provided on the surfaces of the reinforcing fiber layer 3 and containing (A) a benzoxazine resin, (B) an epoxy resin, (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule, and (D) polyamide resin particles 4 having an average particle size of 5 to 50 m, wherein the polyamide resin particles 4 include the polyamide 1010 resin particle.

CELLULOSE-ALUMINUM-DISPERSING POLYETHYLENE RESIN COMPOSITE MATERIAL, PELLET AND FORMED BODY USING SAME, AND PRODUCTION METHOD THEREFOR

A cellulose-aluminum-dispersing polyethylene resin composite material, in which a cellulose fiber and aluminum are dispersed into a polyethylene resin, wherein a proportion of the cellulose fiber is 1 part by mass or more and 70 parts by mass or less in a total content of 100 parts by mass of the polyethylene resin, and the cellulose fiber, and wherein water absorption ratio of the composite material satisfies the following formula:


(Water absorption ratio)<(cellulose effective mass ratio).sup.20.01; [Formula]: a pellet and a formed body using the composite material, and a method of producing these.

FIBER REINFORCED POLYMER COMPOSITION

The invention relates to a fiber reinforced thermoplastic molding composition comprising a thermoplastic polymer and reinforcing fibers, wherein the composition comprises (i) a thermoplastic polymer selected from the group consisting of polyesters, polyamides, polycarbonates, polyphenylene sulphides (PPS), polyphenylene ethers (PPO), polyetheretherketones (PEEK), polyaryletherketones (PAEK), polyamidimides (PAI), polyetherimides (PEI) and liquid crystal polymers (LCPs), and combinations thereof and (ii) silicon-boron glass fibers consisting predominantly of silicon dioxide (SiO.sub.2) and boron trioxide (B.sub.2O.sub.3).

WATER DISPERSIBLE POLYMER FOR USE IN ADDITIVE MANUFACTURING
20200031993 · 2020-01-30 ·

A water dispersible sulfo-polyamide is configured as a filament for use as an extrudable support material in the additive manufacture of a part comprising a non water dispersible polymer. The water dispersible sulfo-polyamide is a reaction product of a sulfo monomer, the water dispersible sulfo-polymer being dispersible in water resulting in separation of the water dispersible polymer from the part comprising the non water dispersible polymer.

Epoxy resin composition, fiber-reinforced composite material, and method for producing the same

Disclosed herein are an epoxy resin composition for fiber-reinforced composite materials which has low viscosity, high Tg, high elastic modulus, and excellent fracture toughness and a fiber-reinforced composite material using such an epoxy resin composition which has excellent thermal properties, compressive strength, impact resistance, fatigue resistance, and open-hole tensile strength and which is suitable for producing structural parts of aircraft and the like. The epoxy resin composition comprises at least a given bifunctional epoxy resin as a component (A), a liquid aromatic diamine curing agent as a component (B), and core-shell polymer particles as a component (C), wherein the core-shell polymer particles as the component (C) contain epoxy groups in their shell and have a volume-average particle size of 50 to 300 nm.

POLYARYLENE ETHER SULFONE COMPRISING NAPHTHALIC ACID ANHYDRIDE ENDGROUPS

A polyarylene ether sulfone comprising endgroups of formula (I), a process for its manufacture, a molding composition comprising the polyarylene ether sulfone, use of the molding composition and fiber, film or shaped article produced using the molding composition.

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PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL

A prepreg including: a component (A); a component (B); and a component (C), in which the component (A) is a reinforced fiber substrate, the component (B) is an epoxy resin composition, the component (C) is a component (c1) or a component (c2), the component (c1) includes polyamide particles and thermosetting polyimide particles, and the component (c2) includes spherical polyamide particles having a melting point of 140 C. to 175 C.

MOLDED BODY AND PRODUCTION METHOD THEREOF
20190382569 · 2019-12-19 · ·

Disclosed is a molded body and a method for producing the same. The molded body includes: a continuous phase containing first and second polyolefin resins; and a dispersed phase containing a polyamide resin and a modified elastomer and composed of a melt-kneaded product of the polyamide resin and the modified elastomer, the modified elastomer has a reactive group that reacts with the polyamide resin, the elastomer is an olefin-based thermoplastic elastomer having, as a skeleton, a copolymer of ethylene or propylene and an -olefin having 3-8 carbon atoms or a styrene-based thermoplastic elastomer having a styrene skeleton, when a total of the continuous and dispersed phases is taken as 100% by mass, the dispersed phase is 70% by mass or less, and when a total of the first and second polyolefin resins is taken as 100% by mass, the second polyolefin resin is 80% by mass or less.

Aramid fiber electrochemical capacitor and preparation method therefor
11942272 · 2024-03-26 · ·

A method for preparing an aramid fiber electrochemical capacitor includes (1) immersing aramid fiber bundles in an aqueous solution; (2) adding polyvinylpyrrolidone into a silver ammonia solution to obtain a solution C, adding an aqueous glucose solution to the solution C to obtain aramid fiber bundles coated with silver nanoparticles; (3) adding the aramid fiber bundles into an aqueous solution containing ?-(2,3-glycidoxy) propyltrimethoxysilane; (4) adding the aramid fiber bundles coated by silver nanoparticles with epoxy groups into an ethanol containing carbon nanotubes with carboxyl groups; (5) adding the aramid fiber bundles with two-layered coatings into an aqueous solution containing pyrrole; (6) heating a mixture of a polyvinyl alcohol, an acid, and water to obtain a polyvinyl alcohol gel, immersing two strands of the aramid fiber bundles, carbon nanotubes and silver nanoparticle in the polyvinyl alcohol gel, and twisting the two strands together to obtain the aramid fiber electrochemical capacitor.