Abstract: An apparatus for blending a polyethylene terephthalate (PET) and a kapok fiber using static electricity is provided, along with a method for blending the PET fiber and the kapok fiber using the apparatus. The fiber blending apparatus includes a fiber blending chamber having an inlet in which the PET fiber and the kapok fiber are introduced and an outlet from which a nonwoven fabric is discharged. A discharge plate is positioned at an upper side and a lower side based on a center line passing through the center of a cross section of the fiber blending chamber to accumulate the static electricity. The PET fiber and the kapok fiber contacting the discharge plate are electrically charged and are thus uniformly distributed and blended around the center line and stacked around an outlet.

Abstract: A conductive adhesive includes an adhesive of 80 to 90 wt % and a conductive fiber of 10 to 20 wt %. The conductive adhesive according to the present disclosure has excellent conductivity by mixing the conductive fiber with the one-component adhesive or the two-component adhesive to make electric conduction smoother, and to improve adhesion properties and durability regarding temperature changes.

Abstract: Disclosed are a sound absorbing and insulating material with improved heat resistance and moldability and a method for manufacturing the same. The sound absorbing and insulating material includes a heat-resistant material, as a surface layer, prepared by impregnating a binder into a nonwoven fabric formed of a heat-resistant fiber and a base layer formed of a conventional sound absorbing and insulating material and the surface layer is stacked on one side of the base layer. The sound absorbing and insulating material of the present invention can have improved sound-absorbing property, flame retardancy, heat-insulating property and heat resistance as compared to the conventional sound absorbing and insulating material, is applicable to parts maintained at high temperatures of 200 ° C. or greater due to the surface layer and is moldable into a desired shape during the curing of the binder impregnated into the surface layer.

Abstract: The present invention relates to a thermoplastic resin composition and a molded article manufactured using the thermoplastic resin composition. Particularly, the thermoplastic resin composition may be reinforced with the carbon fiber. Accordingly, the thermoplastic resin composition may be obtained by mixing a carbon fiber, a silane-based coupling agent and a thermoplastic elastomer to a polyamide-6 polymer having low specific gravity, such that weight thereof may be reduced and economical efficiency may be improved. Further, parts assembly efficiency and stability of the injection molded product from the thermoplastic resin composition of the present invention may be improved by minimizing deformation after injection molding due to improved rigidity, durability and dimensional stability thereof. The thermoplastic resin composition may be used for parts of vehicle exterior material such as a panorama sunroof frame.

Abstract: A method of recycling a composite container for a high-pressure gas is carried out so as to recover carbon fibers in a long fiber state, using a recovering apparatus that can separate the inner and outer containers of a composite container for a high-pressure gas such as a hydrogen tank and take carbon fibers out of the outer container without cutting it in order to recycle the composite container, in order to increase the degree of recovery of carbon fibers and improve the efficiency of recycling.

Abstract: The present invention relates to a synthetic leather for a steering wheel cover of a vehicle, and a method for preparing the same. The synthetic leather including a fiber base layer (101) including a microfiber nonwoven fabric, an urethane porous layer (102) formed on the fiber base layer, a polyurethane resin skin layer (104) formed on the urethane porous layer, and prepared by polymerizing an isocyanate compound and a polyol compound including polycarbonate-based polyol, fluorine-based polyol and ester-based polyol, and an adhesive layer (103) for adhering the urethane porous layer and the skin layer.

Abstract: Disclosed is a method for manufacturing a soundproofing board part having improved sound absorption performance. The soundproofing board part is manufactured by using, as a material, a recycled soundproofing material which contains a polyurethane foam having excellent sound absorption performance and impact resilience during the press molding; and by producing a sound absorption part on the back surface of the soundproofing board part through a remolding processing method. Also disclosed is a soundproofing board part manufactured by the method. Accordingly, sound absorption performance of the soundproofing board part is improved by about 20% or greater, manufacturing cost thereof may be reduced by recycled resources utilizing waste sheets, and manufacturing process may be simplified compared the related art.

Abstract: An ultra-light polyurethane artificial leather composition comprises a one-component type blocked polyurethane high solid resin of 100 parts per weight, a capsule-type hollow microsphere of 1 to 10 parts per weight, a curing agent of 1 to 10 parts per weight, and a high solid type toner of 1 to 20 parts per weight.

Abstract: The present invention provides a sound-absorbing material with excellent sound-absorbing performance and a method for manufacturing thereof. More particularly, it relates to a sound-absorbing material, which can improve sound absorption coefficient and transmission loss by forming large surface area and air layer, so as to induce viscosity loss of incident sound energy, may make light-weight design possible because it can express excellent sound-absorbing performance even using reduced amount of fiber, and can improve sound-absorbing performance by using binder fiber having rebound resilience, so as to maintain enough strength between fiber and also to maximize viscosity loss of sound energy transmitted to fiber structure; and a method for manufacturing thereof.

Abstract: Disclosed are a sound-absorbing material with improved sound-absorbing performance and a method for manufacturing the sound-absorbing material. The sound-absorbing material may improve sound absorption coefficient and transmission loss by forming large surface area and air layer, so as to induce viscosity loss of incident sound energy, and may provide light-weight design of a sound absorbing part or material since sound-absorbing performance may be substantially improved using reduced amount of fiber. Further, the sound-absorbing material may improve sound-absorbing performance by using binder fiber having rebound resilience, so as to maintain enough strength between fibers and also to maximize viscosity loss of sound energy transmitted to fiber structure.

Abstract: Disclosed is a paint composition, and more specifically, a scratch self-recovering paint composition having a shortened drying time and extended pot life, which comprises about 30˜40% by weight of a branched polyester resin; about 30˜40% by weight of an acryl polyol resin; about 0.2˜0.5% by weight of a reaction catalyst; and about 0.99˜9.0% by weight of a reaction retardant, based on the total weight of the paint composition.

Abstract: Disclosed is a paint composition, and more specifically, a scratch self-recovering paint composition having a shortened drying time and extended pot life, which comprises about 30˜40% by weight of a branched polyester resin; about 30˜40% by weight of an acryl polyol resin; about 0.2˜0.5% by weight of a reaction catalyst; and about 0.99˜9.0% by weight of a reaction retardant, based on the total weight of the paint composition.

Abstract: A method for anti-stain treatment of fabric is disclosed. The method for anti-stain treatment of fabric includes: immersing fabric in an aqueous solution containing a telomerized perfluoroalkyl acrylate copolymer, and a crosslinking agent, such as an isocyanate crosslinking agent; dehydrating the immersed fabric; drying the dehydrated fabric; heat treating the dried fabric; and coating the heat-treated fabric with a flame retardant, such as an acrylic flame retardant, to provide flame retardancy. The method provides a car seat fabric having superior stain resistance, water repellency and oil repellency without degradation of other properties required for the car seat fabric, such as flame retardancy, lightfastness, frictional coloration, or the like. The method is widely applicable to commercially applicable car seat fabrics, including flat woven, flat tricot, double raschel, or the like.

Abstract: A scratch self-recovering paint composition is provided that may maintain physical properties sufficient to be used for interior vehicle parts and may slowly recover from scratches generated on the surface of the paint composition. Specifically, the self-recovering paint composition includes a polyester polyol resin which is a soft resin, an acryl polyol resin which is a hard resin, a curing agent, a wetting dispersing agent, a leveling agent, a UV additive, and the like, and thus the use lifespan of the interior material is extended, and the high-gloss paint of the interior material is maintained without additional costs.

Abstract: Disclosed herein are a natural material applied three-dimensional (3D) panel for providing mood illumination and a method for manufacturing the 3D panel, in which press processing is used and a transparent material is applied on a top side of a natural material. Thus, moldability and reliability of a part to be molded is increased.

Abstract: Disclosed is a tufted carpet for a vehicle. The tufted carpet for the vehicle is manufactured by implanting a spun yarn into a base fabric, wherein the spun yarn is formed from a material mixture of about 85 wt % to about 95 wt % polyethylene terephthalate (PET) and about 5 to about 15 wt % polytrimethylene terephthalate (PTT).

Abstract: The present invention provides a laminated sheet for interior materials of vehicles. The laminated sheet includes a surface layer and an inside layer combined with the surface layer and receiving an injection resin. In particular, the inside layer includes two or more types and foaming ratios of thermoplastic elastomer in a multi-layer.

Abstract: Disclosed is a synthetic leather produced by directly coating a water-soluble synthetic resin solution on the surface of a fabric to form a film thereon such that fine gaps formed on the fabric are partially left open to have a certain degree of air permeability. In particular, a brushing process is used for brushing the surface of a fabric using a brushing machine to raise a nap. Next, a hydrolysis-resistant and flame-retardant resin solution is coated on the back of the fabric, which is opposite to the surface on which the nap is raised, to reinforce the back of the fabric. A film forming process then applies a water-soluble polyurethane resin solution to the nap raised on the surface of the fabric to form a film on the surface of the fabric thereby producing a synthetic leather product that has air permeability properties that are superior to genuine leather.

Abstract: A method for anti-stain treatment of fabric is disclosed. The method for anti-stain treatment of fabric includes: immersing fabric in an aqueous solution containing a telomerized perfluoroalkyl acrylate copolymer, and a crosslinking agent, such as an isocyanate crosslinking agent; dehydrating the immersed fabric; drying the dehydrated fabric; heat treating the dried fabric; and coating the heat-treated fabric with a flame retardant, such as an acrylic flame retardant, to provide flame retardancy. The method provides a car seat fabric having superior stain resistance, water repellency and oil repellency without degradation of other properties required for the car seat fabric, such as flame retardancy, lightfastness, frictional coloration, or the like. The method is widely applicable to commercially applicable car seat fabrics, including flat woven, flat tricot, double raschel, or the like.

Abstract: The present invention relates to methods of forming an aqueous coating on a plastic sheet surface for vehicle interior equipment, comprising the steps of: coating the plastic sheet with a primary composition, the primary composition comprising chlorinated aqueous olefin resin; baking the resulting plastic sheet; coating the baked sheet with a secondary composition, the secondary composition comprising aliphatic urethane; and baking the resulting plastic sheet.