摘要:
A flexible sheet comprising a composite sheet, the composite sheet comprising a binder and an aggregate containing a plurality of carbon nanotubes that is disposed in the binder, wherein the aggregate is formed as a waveform structure travelling along a single direction in a plane of the composite sheet, is provided. The disclosed flexible sheets may be used as thermally conductive components, electrically conductive components, antistatic components, electromagnetic wave shields, and/or heating elements, in addition to other possible uses.
摘要:
A carbon fiber-reinforced resin composite material which comprises carbon fibers containing carbon fiber bundles and a thermoplastic resin, wherein (1) the coefficient of variation (CV1) of the total fiber weight of the carbon fiber-reinforced resin composite material is 10% or less, (2) the coefficient of variation (CV2) of the volume fraction (Vf) of the carbon fibers, which is defined by formula (a), in the carbon fiber-reinforced resin composite material is 15% or less, and (3) the weight average fiber length of the carbon fibers is 1 to 100 mm. Formula (a): volume fraction (Vf) the carbon fibers = 100 × (volume of the carbon fibers)/[(volume of the carbon fibers) + (volume of the thermoplastic resin)]
摘要:
A polymer filament molded product and a method of making a filament network that includes coating filaments with a latex polymer and shaping the filaments into a molded product; one in which a polymer is shaped and molded into a larger filament network. The molded products can be objects for apparel, home and garden, furnishings, health care, engineering, industrial and consumer goods. The molded filament mesh is "fractal" in nature because it is a filament interconnected network at the molecular scale and at the scale of the molded product. The natural tendency of the long molecule filaments to be an entangled structure is maintained.
摘要:
A component made of at least one thermoformable material, having a first layer (12) made of a first material, a second layer (14) made of a second material, and a third layer (16) made of the first material. The three layers form a sheet, which is formed to various shapes, depending upon the part that is to be created. The sheet may be formed to produce a wind blade, the bumper of an automobile, a door panel for an automobile, a flotation device, such as a pontoon for a pontoon boat, or the like. The first (12) and third layers (16) are SMC, and the second layer (14), or "core," is disposed between the first and third layers, allowing the strength of the first and third layers to be used more efficiently, compared to a sheet having only the first and third layers, and no core.
摘要:
A method of forming a molding mat (295) formed bundles of reinforcing fibers and bonding materials is provided. The reinforcing fibers (200) are preferably- wet use chopped strand glass fibers (WUCS) . The bonding materials (210) may be any thermosetting material having a melting point less than the reinforcing fiber. The molding mat may be formed by partially opening the wet use chopped strand glass fibers and f ilamentizing the bonding materials, blending the reinforcement and bonding fibers, forming (270) the reinforcement and bonding fibers into a sheet, and bonding (290) the sheet. During bonding, the sheet is heated to a temperature above the melting point of the bonding fibers but below the temperature of the glass fibers . The molding mat thus formed may be used as a reinforcement material in sheet molding compounds.
摘要:
The invention relates to an SMC (sheet moulding compound) for producing fibre-reinforced duroplastic components. Said SMC consists of a resin matrix (2) which is fibre-reinforced with unidirectional fibres (UD-fibres) (7) that are arranged in axial alignment and preferably with additional cut fibres (random fibres) (4) that are arranged in a non-aligned manner in the resin matrix. According to the invention, in order to achieve extremely high rigidity in a multi-axial direction with a low surface weight, several layers of SMC are arranged in the component, each layer containing UD-fibres (7) with a different axial alignment from one another.
摘要:
A stampable sheet made of a fiber-reinforced thermoplastic resin and a molded article produced from the sheet, wherein the reinforcement is a glass fiber mat comprising a nondirectional fiber layer and a unidirectional fiber layer mechanically entangled with each other. The use of 20 to 55 wt% of a glass fiber mat wherein the content of a long glass fiber bundle constituting the unidirectional fiber layer is 20 to 80 wt% and a significant portion of the glass fiber bundle or the glass fiber is in a substantially relaxed state has made it possible to enhance the tensile strengths in all the directions, the molding fluidity of the long glass fiber bundle in the direction of arrangement (reinforcement), and the compression strength in the direction of reinforcement. A molded article produced from the above stampable sheet alone or a laminate thereof is one improved in the tensile strengths in all the directions, the compression strength in the direction of reinforcement, reliability, appearance, and ease of handling.