Textile-reinforced thermoplastic composite material and method for manufacturing textile-reinforced thermoplastic composite material using injection molding
AssigneeKorea Institute of Industrial Technology
InventorsSunghee LEE, Kyunghwan YOON, Euichul JUNG
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Abstract
The present disclosure relates to a textile-reinforced thermoplastic composite material with an improved structure for elasticity, high structural stiffness, higher productivity and lower manufacturing cost. Additionally, the present disclosure relates to a method for manufacturing a textile-reinforced thermoplastic composite material using improved injection molding whereby the textile-reinforced thermoplastic composite material is manufactured by injection molding without thermoforming using an intermediate material or a prepreg.
Claims19
A textile-reinforced thermoplastic composite material comprising:
- a pair of reinforcements each having a woven fabric structure to allow a molten resin to pass through, and positioned spaced apart from each other, facing each other;
- a pair of mesh structures each having a mesh-like structure corresponding to a woven frame of the reinforcement, and bonded to each reinforcement to form a layer;
- and
- a thermoplastic matrix formed by impregnation into a space between the pair of reinforcements, voids in the pair of reinforcements of the woven structure and voids in the pair of mesh structures of the mesh-like structure.
The textile-reinforced thermoplastic composite material according to 1,
- wherein each mesh structure is bonded to the reinforcement positioned adjacent to the mesh structure to form the layer, and is positioned at an outer side with respect to a center line between the pair of reinforcements.
The textile-reinforced thermoplastic composite material according to 1,
- wherein each reinforcement has the woven fabric structure in which ribbons portions extended in a direction are woven to form the voids between the adjacent ribbon portions, and
- wherein each mesh structure includes a plurality of space forming portions that contact the ribbon portions spaced apart from each other with the voids interposed therebetween, and connection portions connecting the space forming portions.
wherein the thermoplastic matrix is formed by impregnation into the space between the pair of reinforcements, the voids in the pair of reinforcements of the woven structure, and the voids in the pair of mesh structures of the mesh-like structure by injection molding.
The textile-reinforced thermoplastic composite material according to
The textile-reinforced thermoplastic composite material according to 8,
- wherein the reinforcements of the multilayer structure are stacked in different directions for each layer on a yarn direction basis.
A method for manufacturing a textile-reinforced thermoplastic composite material using injection molding, the method comprising:
- a placement step of placing a pair of reinforcements having a woven fabric structure to allow a molten resin to pass through and a pair of mesh structures having a mesh-like structure corresponding to a woven frame of each reinforcement in a mold, each spaced apart from each other, facing each other;
- and
- an injection molding step of injecting the molten resin which is a molten product of a thermoplastic matrix into the mold so as to impregnate into a space between the pair of reinforcements, voids in the pair of reinforcements of the woven structure, and voids in the pair of mesh structures of the mesh-like structure.
Dependencies are inferred from the claim text.