Abstract:
본 발명은 자동차용 흡차음 강화보드 및 이의 제조방법에 관한 것으로, 보다 상세하게는 재활용 폴리우레탄 폼, 접합재, 웹(web)형성재 및 강성보강재가 포함되어 소리를 흡수하는 흡음층 및 소리를 차단하는 차음층을 포함함으로써, 흡음성과 차음성을 동시에 만족시키는 동시에 종래와 대등한 물성을 가지며, 환경오염물질을 감축시킬 수 있고 경제성이 향상되는 장점이 있는 자동차용 흡차음 강화보드 및 이의 제조방법에 관한 것이다.
Abstract:
본 발명은 자동차용 흡차음 강화보드 및 이의 제조방법에 관한 것으로, 보다 상세하게는 재활용 폴리우레탄 폼, 접합재, 웹(web)형성재 및 강성보강재가 포함되어 소리를 흡수하는 흡음층 및 소리를 차단하는 차음층을 포함함으로써, 흡음성과 차음성을 동시에 만족시키는 동시에 종래와 대등한 물성을 가지며, 환경오염물질을 감축시킬 수 있고 경제성이 향상되는 장점이 있는 자동차용 흡차음 강화보드 및 이의 제조방법에 관한 것이다.
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:
본 발명은 흡음재, 흡차음재 및 이의 제조방법에 관한 것으로서, 열가소성 폴리우레탄(TPU), 폴리에틸렌테레프탈레이트(PET), 폴리우레탄 폼, 저융점 폴리에틸렌테레프탈레이트(LM PET), 폴리프로필렌(PP) 및 마(jute) 등을 포함함으로써, 중량저감과 원가절감 효과뿐만 아니라 폐차의 재활용률 향상과 환경보호 효과가 있는 흡음재, 흡차음재 및 이의 제조방법에 관한 것이다.
Abstract:
The present invention relates to a sound absorbing material, a sound absorbing and screening material, and a manufacturing method thereof. More specifically, provided are a sound absorbing material, a sound absorbing and screening material, and a manufacturing method thereof, with effects in improving a recycling rate of discarded cars and protecting an environment as well as effects of reduced weight and reduced production costs, by comprising thermoplastic polyurethane (TPU), polyethylene terephthalate (PET), polyurethane foam, low melting polyethylene terephthalate (LM PET), polypropylene (PP), and jute.
Abstract:
PURPOSE: A method for fabricating a soundproofing material is provided to recycle polyurethane foam and to prevent and to prevent static electricity generation. CONSTITUTION: A method for fabricating a soundproofing material comprises: a step of finely pulverizing a waste sheet; a step of mixing a polyester-based fiber, polyester-based fiber of low melting point, polypropylene fiber, thermoplastic fiber, and hemp in a polyurethane foam-crushed material; a step of carding the mixture; a step of needle-punching; a step of thermoforming and cooling; and a step of forming the mixture in a felt and cutting. The polyurethane foam is waste sheet foam or thermosetting polyurethane foam. [Reference numerals] (AA) Item; (BB) Operation; (CC) Picture; (DD) Condition; (EE) Pulverization; (F1) Pulverizing PU Foam + fibers; (F2) Mixing and Pulverizing PU Foam and fibers 2 times; (GG) Mixing; (H1,H4) Mixing PU, LM Fiber, PET Fiber Cloth; (H2) Using a hopper: uniformizing particles before carding; (H3) Primarily secondarily mixing; (II) Carding; (J1) Constantly material pulverizing and mixing -> forming web; (J2) Repeatedly carding -> increasing rolling and mixing rate; (J3) Carding 2 times: keeping predetermined supplying amount; (J4) Feed at 160-170rpm; (J5) Doper at 30-32M/min; (KK) Needle punching; (L1) Needle punching for firmly fixing PU with textile and fiber and constantly mixing materials; (L2) Bonding non-woven fabric; (L3) Rpm: 500-800; (L4) Depth; (MM) Thermoforming and cooling; (N1) Increasing bonding force by melting each material and LMFiber; (N2) Lowering the temperature of a board due to thermoforming; (N3) Using an oven, top: 190°C, bottom: 200°C; (N4) Using an air cooler, cooling temperature: 20-24°C; (OO) Heating roller and cutting; (P1) Adjusting thickness by a roller; (P2) Cutting a board into predetermined sizes; (P3) Using a heating roller (temperature: 201°C)