A problem to be solved of the present invention, provided is a method for manufacturing a non-woven fabric for a wheel liner for a vehicle capable of being easily recycled by using polyethylene terephthalate (PET) which is the same material and having a water repellent and oil repellent performance. The present invention relates to a method for manufacturing a non-woven fabric for a wheel arch liner for a vehicle comprising: a) a step of manufacturing 3-5 mm PET flakes by pulverizing waste PET with an intrinsic viscosity (IV) of 0.6-0.8 dl/g; b) a step of drying the PET flakes at 160-200 ℃; c) a step of melt-spinning the PET flakes at 250-270 ℃ to manufacture a waste PET fiber; d) a step of manufacturing a hydrophobic regenerated PET fiber by impregnating the waste PET fiber in a water repellent; and e) a step of mixing 30-70 wt% of the hydrophobic regenerated PET fiber and 30-70 wt% of a low-melting point PET fiber to manufacture the non-woven fabric by needle punching.

    본 발명이 해결하고자 하는 과제는 동일한 소재인 PET(폴리에틸렌테레프탈레이트)를 사용하여 재활용이 용이하고, 발수 및 발유 성능이 있는 차량용 휠 라이너 부직포 제조방법을 제공하는 것이다. 본 발명은 a) 고유점도(IV)가 0.6~0.8dl/g인 폐 PET를 분쇄하여 3~5mm의 PET 플레이크를 제조하는 단계; b) 상기 PET 플레이크를 160~200℃에서 건조하는 단계; c) 상기 PET 플레이크를 250~270℃에서 용융 방사하여 폐 PET 섬유로 제조하는 단계; d) 상기 폐 PET 섬유를 발수제에 함침하여 소수성 재생 PET 섬유를 제조하는 단계; 및 e) 상기 소수성 재생 PET 섬유 30~70중량% 및 저융점 PET 섬유 30~70중량%를 혼합하고, 니들펀칭하여 부직포로 제조하는 단계;를 포함하는 차량용 휠 아치 라이너용 부직포 제조방법이다.


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    Titel :

    Method for manufacturing nonwoven fabric for vehicle wheel arch liner and nonwoven fabric for vehicle wheel arch liner manufactured thereby


    Weitere Titelangaben:

    차량용 휠 아치 라이너용 부직포 제조방법 및 이에 의해 제조된 차량용 휠 아치 라이너용 부직포


    Beteiligte:
    PARK BEOB (Autor:in)

    Erscheinungsdatum :

    17.02.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    D01D MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS , Mechanische Verfahren oder Vorrichtungen für die Herstellung von produzierten Filamenten, Zwirnen, Fasern, Borsten oder Bändern / D04H Herstellen von flächigem Textilgut, z.B. aus Fasern oder fadenförmigem Material , MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / D06M Behandeln von Fasern, Fäden, Garnen, Textilgut, Federn oder aus solchen Materialien hergestelltem Fasergut, soweit nicht anderweitig in Klasse D06 vorgesehen , TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS / B62D MOTOR VEHICLES , Motorfahrzeuge



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