Abstract: Disclosed is a composite fiber including a substrate and a MXene disposed inside the substrate. The substrate contains a polymer and has a fiber shape. Since the MXene content is controlled to be in an optimum range, the mechanical properties, mechanical stability, and oxidation stability of the composite fiber are maximized.

Abstract: The present disclosure relates to a composite fiber capable of discoloration, and more particularly, to a composite fiber capable of discoloration by various external stimuli such as heat, electrical signals, mechanical external stimuli, etc. by filling a hollow of an elastic hollow fiber containing a thermochromic pigment and an elastic polymer with a liquid metal, and a manufacturing method thereof. The composite fiber capable of discoloration according to the present disclosure includes: a hollow fiber containing a thermochromic pigment and an elastic polymer, a liquid metal filled in the hollow of the elastic hollow fiber, a metal wire having one end inserted into the liquid metal and the other end exposed to the outside, and a stopper connected to seal the end of the elastic hollow fiber.

Abstract: A composite fiber structure with improved flexibility and responsiveness, and a method for manufacturing the same, and more particularly, through an interdigitated structure of composite fibers into which a liquid metal is injected, it is possible to have flexibility and fast responsiveness at the same time.

Abstract: Disclosed are a micro fiber and a method of manufacturing the micro fiber are proposed. The micro fiber may be manufactured by controlling thickness and Young's modulus thereof using hollow fiber.

Abstract: A vibration-damping material composition is provided. More particularly, a low-specific gravity vibration-damping material composition is disclosed that includes improved high temperature damping by using a glass bubble, an acrylic copolymer including a first acrylic copolymer and a second acrylic copolymer having different glass transition temperature and weight average molecular weight.

Abstract: The vehicle panel includes: a panel main body comprising a three-dimensional pattern part including a three-dimensional pattern engraved on a back surface of the three-dimensional pattern part, and a coating part coated on an upper surface of the three-dimensional pattern part; and a lighting part provided such that the light is emitted from an inner surface of the panel main body, wherein the lighting part comprises: a diffusion plate provided to be spaced at a location corresponding to the panel main body, and a light source located inside the diffusion plate and provided to be spaced apart from the diffusion plate.

Abstract: An inorganic electroluminescence device having heat resistance, moisture resistance and physical durability improved by applying a transparent electrode layer including a metal mesh substrate or a metal patterned substrate, and a method for manufacturing the same.

Abstract: Disclosed are a micro fiber and a method of manufacturing the micro fiber are proposed. The micro fiber may be manufactured by controlling thickness and Young's modulus thereof using hollow fiber.

Abstract: A light guide plate integrated trim panel for a vehicle is provided and includes, in the trim panel for the vehicle mounted to an interior trim of the vehicle, a light guide plate configured to diffuse light emitted from a light source; and a base formed to surround the circumference and the bottom surface of the light guide plate, wherein the side surface of the light guide plate is formed to be stepped to be fixed by the base holding the circumference of the light guide plate.

Abstract: Disclosed are a backlight unit for planar lighting apparatuses and a manufacturing method thereof. The backlight unit simplifies a layer structure to be formed into the shape of a vehicle interior trim part, and has a thin thickness and improved flexibility. The backlight unit includes a light emitting device configured to emit light; a light guide panel having polycarbonate and configured to disperse the light received from a light emitting device; a reflective sheet having fibers and provided below the light guide panel to reflect the light dispersed by the light guide panel; and an acrylic adhesive sheet interposed between the light guide panel and the reflective sheet. The reflective sheet includes pores.

Abstract: An inorganic electroluminescence device having heat resistance, moisture resistance and physical durability improved by applying a transparent electrode layer including a metal mesh substrate or a metal patterned substrate, and a method for manufacturing the same.

Abstract: Provided are an artificial leather and a method of manufacturing the same. The artificial leather includes: a base fabric; a polyvinyl chloride film bonded to a surface of the base fabric; bonding layer formed on a surface of the film; a first foam layer formed on the bonding layer in a patterned shape; a first color layer formed on a surface of the foam layer and having the same pattern as the first foam layer; and a surface treatment layer formed on a surface of the first color layer with the same pattern as the first color layer or formed on a surface of the bonding layer without the first foam layer and the surface of the first color layer. to the artificial leather of the present invention may have a light weight and implement various three-dimensional patterns and colors as compared with a conventional PVC foam artificial leather.

Abstract: A pile knit fabric for internal materials of vehicles may include a knit layer prepared by weaving ground yarns, on one surface thereof, and a pile layer prepared by interweaving pile yarns with ground yarn loops of the knit layer, on the other surface thereof and, thus, has excellent physical coupling force between the ground yarns and the pile yarns and has excellent abrasion resistance, scratch resistance and formability as well as soft tactility.

Abstract: Disclosed are a backlight unit for planar lighting apparatuses and a manufacturing method thereof. The backlight unit simplifies a layer structure to be formed into the shape of a vehicle interior trim part, and has a thin thickness and improved flexibility. The backlight unit includes a light emitting device configured to emit light; a light guide panel having polycarbonate and configured to disperse the light received from a light emitting device; a reflective sheet having fibers and provided below the light guide panel to reflect the light dispersed by the light guide panel; and an acrylic adhesive sheet interposed between the light guide panel and the reflective sheet. The reflective sheet includes pores.

Abstract: Provided are an artificial leather and a method of manufacturing the same. The artificial leather includes: a base fabric; a polyvinyl chloride film bonded to a surface of the base fabric; bonding layer formed on a surface of the film; a first foam layer formed on the bonding layer in a patterned shape; a first color layer formed on a surface of the foam layer and having the same pattern as the first foam layer; and a surface treatment layer formed on a surface of the first color layer with the same pattern as the first color layer or formed on a surface of the bonding layer without the first foam layer and the surface of the first color layer. to the artificial leather of the present invention may have a light weight and implement various three-dimensional patterns and colors as compared with a conventional PVC foam artificial leather.

Abstract: Disclosed is a fiber structure including a halogen-free polymer layer such as a styrenic block (SBC) copolymer. The fiber structure has environmentally-friendly properties and reduced weight, as compared to conventional materials such as PVC and has improved low temperature stability, fixing ability and resistance to deformation.

Abstract: A hood insulator including a non-woven fabric and a fine resonance layer comprises a porous substrate and a skin material disposed on a surface of the porous substrate, wherein the skin material comprises the non-woven fabric and the fine resonance layer, the fine resonance layer includes a plurality of perforations, and the fine resonance layer is disposed on the non-woven fabric.