A resin impregnating device (1) is used in a method for producing a reinforcing bar and has a chamber for holding a liquid thermoplastic resin. A plurality of guide plates (4A-4C) is arranged in the chamber along a traveling direction of a plurality of strands of reinforcing fiber material (Fb). Through holes (41) in two of the guide plates (4A, 4C) guide or spread the strands of the reinforcing fiber material Fb away from each other, and a single through hole (42) in an intermediate one of the guide plates (4B) guides or converges all the strands of the reinforcing fiber material (Fb) towards each other.

A barium titanate fiber is useful as a filler for a polymer composite piezoelectric body, a polymer composite piezoelectric body has high piezoelectric properties, and a piezoelectric element utilizes the polymer composite piezoelectric body. In the barium titanate fiber, the molar ratio of barium atoms to titanium atoms (Ba/Ti ratio) falls within the range of 1.01 to 1.04. The polymer composite piezoelectric body includes a resin composition containing the barium titanate fiber and a polymer. The piezoelectric element including an electrically conductive layer on one surface or both surfaces of the polymer composite piezoelectric body.

Provided is a liquid crystal polymer composition having a low coefficient of static friction and a low coefficient of kinetic friction both during sliding between a liquid crystal polymer molded body and a metallic material and during sliding between liquid crystal polymer molded bodies. The liquid crystal polymer composition contains a liquid crystal polymer (A), a polytetrafluoroethylene resin (B), and barium sulfate (C).

Co-curable epoxy-based composite materials coated with co-curable polyurethane-based coating materials to form co-curable and co-cured polyurethane coated epoxy-based composite materials, with the polyurethane-based coating materials comprising UV-stabilizer agents and cure control agents are disclosed, along with components and large structures comprising the co-cured materials.

In order to solve problems of strength and volume of part, the invention provides an article reinforced by multi-dimensional fibers and a method for manufacturing the article. The article includes a core portion and a shell layer portion. The core portion is made of thermoplastic resin and the fibers in which a majority of and a minority of the fibers are respectively arranged in a major and a minor directions. The method includes: preparing a core portion made of thermoplastic resin and the fibers in which a majority of and a minority of the fibers are respectively arranged in a major and a minor directions, loading the core portion into a mold, and forming a shell layer portion in the mold to enclose the core portion. The article manufactured by the method of this invention can reduce the weight and increase the strength of the parts.

A polypropylene resin composition according to the present invention contains 1 to 41 parts by mass of fibrous basic magnesium sulfate, 50 to 98 parts by mass of a propylene polymer, 0.02 to 1.6 parts by mass of a lubricant, and less than 0.5 times the amount of the basic magnesium sulfate and 0.1 to 20 parts by mass of an acid-modified elastomer.

The claimed material relates to a mixed silica and silicate fiber and polymer composite having enhanced modulus, viscoelastic and rheological properties.

A composite structure is disclosed forming part of a wall of a liquid hydrogen tank, and including at least one thermal protection device having one or more of hollow fibers, such as to create thermal protection, for example a thermal barrier or a heat exchanger, which makes it possible to protect the composite structure in case of a high temperature gradient between the two faces thereof, while benefiting from the advantages of a composite material in terms of mass.

An aluminum borate whisker reinforced and toughened non-metallic matrix composite is provided, which specifically includes a non-metallic material reinforced and toughened with aluminum borate whiskers. The composite exhibits a higher bending strength and fracture toughness and a higher wear resistance. A method for preparing the composite is also provided. The method includes mixing the aluminum borate whiskers and the non-metallic material to form a mixture; and sintering the mixture by a vacuum hot press method, or molding the mixture.

Thermoplastic compositions include from about 40 wt % to about 90 wt % of a crystalline polymer, from about 5 wt % to about 50 wt % basalt fibers, and from about 1 wt % to about 20 wt % of an impact modifier. In some aspects the crystalline polymer includes polybutylene terephthalate (PBT), polyphenylene sulfide (PPS), copolymers thereof, or a combination thereof. The thermoplastic compositions are suitable for use in nano molding technology (NMT) applications, and in particular for consumer electronics applications.