Abstract:
The present invention relates to a soundproof material using polyurethane foam from a waste car seat and a manufacturing method thereof, and more specifically to a soundproof material using polyurethane foam from a waste car seat and a manufacturing method thereof, wherein the soundproof material improves mechanical rigidity and soundproof performance, reduces costs of parts, is environment-friendly by recycling resources, and is applied to vehicle parts including a package tray, a luggage covering, a covering shelf, and an isolation pad. [Reference numerals] (AA) Start; (BB) Mixing finely pulverized sheet foam, LM PET fiber, and PET fiber or thermoplastic fibers and hem; (CC) Generating a soundproof material by carding and laminating a compound, the needle punching, and a heat roller (PU FOAM-fiber felt, I); (DD) Generating the soundproof material by adding the thermoplastic fibers (polypropylene, polyethylene terephthalate) or JUTE and the carding, laminating, and needle punching (fiber felt, II); (EE) Laminating a thermoplastic (polypropylene, polyehtylene) film (fiber felt in which a soundproof layer is added, III) by impregnating thermoplastic (polypropylene, polyehtylene) resin in the generated fiber felt (II) or using the heat roller; (FF) Generating a soundproof material (IV) in which the sheet foam with improved rigidity and soundproof efficiency is recycled by laminating the generated soundproof materials (I, III) with the heat roller as two or three layers; (GG) Manufacturing a vehicle soundproof component by pressing the same with a rolling mold after the generated recycle soundproof material is preheated by a preheating press, an oven, or a heater for 20-200 seconds; (HH) End
Abstract:
본 발명은 현재 전량 소각 처리되고 있는 폴리우레탄 폼 등의 섬유류를 섬유류 전용 장비에 의해 기계적으로 선별 및 추출하여 재활용함으로써, 폐기물 발생량 저감 및 폐기물 처리비용을 절감하고, 폐차 재활용율을 향상시킬 수 있는 폐차 잔재물의 폴리우레탄 폼 및 섬유 선별 장치를 제공하는데 그 목적이 있다. 상기한 목적을 달성하기 위하여 본 발명에 따른 폐차 잔재물의 폴리우레탄 폼 및 섬유 선별 장치는 초반부에서는 폐차 잔재물로부터 토사류나 유리조각 등 미세 입자 위주로 걸러 내고, 후반부로 갈수록 폐차 잔재물로부터 대형 폴리우레탄 폼과 섬유를 1차 선별하는 1차 선별기; 상기 1차 선별기에 의해 1차로 선별한 후 나머지 재료를 분쇄하는 2차 선별기; 및 상기 1차 선별기에서 선별된 후 나머지 재료 중 중형 폴리우레탄 폼과 섬유를 선별하는 2차 선별기;를 포함하는 것을 특징으로 한다.
Abstract:
PURPOSE: A method for recycling a bumper cover using blasting separation is provided to secure the mechanical properties of the bumper cover and the exterior qualities of the bumper cover similar to those of a new product, improve efficiencies for removing a painting and plating layer compared with an existing chemical separation or sand blasting, and secure a very advantageous economic efficiency by recycling a medium. CONSTITUTION: A method for recycling a bumper cover using blasting separation includes: a step of inserting a target which is the bumper cover having a painting or plating layer into a processing line; a step of determining conditions for a blasting chamber by scanning the information of the bumper cover; a step of inserting the bumper cover into the blasting chamber, implementing the blasting separation using a blasting medium, and then removing the painting or plating layer; a step of crushing and pulverizing the bumper cover from which the painting or plating layer is removed; and a step of inserting the crushed and pulverized bumper cover into a compounding process.
Abstract:
PURPOSE: A producing method of a recycled polyamide-66 resin is provided to obtain the polyamide-66 resin having excellent mechanical property from waste spare parts of a car. CONSTITUTION: A producing method of a recycled polyamide-66 resin comprises the following steps: crushing a waste radiator shroud, a waste radiator fan, a waste radiator end tank, and a waste engine cover; washing the obtained materials with a microorganism detergent aqueous solution; mixing 20-30wt% of crushed waste radiator shroud, 10-20wt% of crushed waste radiator fan, 45-55wt% of crushed waste radiator end tank, and 5-15wt% of crushed waste engine cover; and mixing the mixture with a chain extender, and melting and extrusion molding the mixture to obtain pellets.
Abstract:
PURPOSE: A bio-degradable acrylonitrile-butadiene-styrene composition is provided to maintain flexibility, chemical resistance and heat resistance of an acrylonitrile-butadiene-styrene resin and to improve mechanical properties of interior materials of vehicles, especially, impact strength. CONSTITUTION: A bio-degradable acrylonitrile-butadiene-styrene composition comprises: a polymer mixed resin consisting of an acrylonitrile-butadiene-styrene composition resin and single or two kinds of bio-degradable copolymer resins selected from polylactic acid and polyhydroxy butyrate; and poIycaprolactone. The polymer mixed resin includes 50~90 weight% of the acrylonitrile-butadiene-styrene resin and 10~50 weight% of a biodegradable polymer resin.
Abstract:
본 발명은 재활용 폴리에틸렌테레프탈레이트(PET) 복합소재 및 이의 제조방법에 관한 것으로서, 재활용 폴리에틸렌테레프탈레이트 칩을 제조하고, 상기 폴리에틸렌테레프탈레이트 칩과 유리섬유, 커플링제, 쇄연장제, 탈크 및 유기핵제 중에서 선택된 단독 또는 2 종 이상의 핵제, 및 충격보강제를 포함하는 재활용 PET 복합소재 및 이의 제조방법에 관한 것이다. 폴리에틸렌테레프탈레이트, 플레이크, 칩, 유리섬유
Abstract:
PURPOSE: A recycle method and system for automotive exterior molding parts and radiator grills are provided to recycle polyethylene components of high quality from which chrome components are removed and to minimize the amount of used acid solution. CONSTITUTION: A recycle method for automotive exterior molding parts and radiator grills comprises steps of: filling a certain amount of dissolving solution in a dissolver tub(10), putting the entire or crushed automotive exterior molding parts and radiator grills in a mesh container(30), putting the container in the dissolver tub, operating a low frequency oscillator(20) installed inside the dissolver tub for 1 to 2 hours to dissolve and separate the chrome and paint plated on the automotive exterior molding parts and radiator grills, recovering polyethylene components from the automotive exterior molding parts and radiator grills, and collecting chrome from the dissolved solution through electrodeposition.
Abstract:
Provided is a resin composition using a waste nylon resin, which has excellent heat resistance and mechanical strength, realizes excellent molded articles, and is useful for the production of an end tank of a car radiator. The resin composition using a waste nylon resin comprises: 50-80 wt% of crushed waste nylon; 10-30 wt% of a nylon resin; 4-20 wt% of glass fiber; 5-20 wt% of inorganic fillers; and 1-5 wt% of at least one additive selected from the group consisting of a dispersant, an anti-oxidant, a flame retardant, a heat stabilizer and a ceramic UV stabilizer. The nylon resin is at least one resin selected from nylon 6, nylon 66 and other modified polyamide resins.