The present invention relates to a composition for a foamed material for a seat cushion of a vehicle, to provide excellent cushion and seating comfort, a foamed material for a seat cushion of a vehicle, and a manufacturing method thereof. According to the present invention, the composition comprises: (A) 49.5 to 80 wt% of a polypropylene resin; (b) 19.5 to 50 weight percent of a modified olefin-based elastomer resin, wherein a melting point (Tm) of the modified olefin-based elastomer resin is 60 to 100°C and a melting index (MI) vehicle measured based on ASTM D1238 is 0.5 to 4 g/10min at 190°C under a load of 2.16 Kg; and (C) 0.1 to 0.5 weight percent of filler.

    본 발명은 (A) 폴리프로필렌계 수지 49.5 중량% 내지 80 중량%; (B) 융점(Tm)이 60℃ 내지 110℃이고, ASTM D1238에 따라 190℃에서 2.16kg 하중으로 측정한 MI (melting index) 값이 0.5 g/10min 내지 4 g/10min인 변성 올레핀계 엘라스토머 수지 19.5 중량% 내지 50 중량%; 및 (C) 충진제 0.1 중량% 내지 0.5 중량%; 를 포함하는 자동차 시트 쿠션용 발포체 조성물, 자동차 시트 쿠션용 발포체 및 이의 제조 방법에 관한 것이다.


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    Title :

    COMPOSITION FOR AUTOMOTIVE SEAT CUSHION FOAM AUTOMOTIVE SEAT CUSHION FOAM AND MANUFACTURING METHOD FOR THE SAME


    Additional title:

    자동차 시트 쿠션용 발포체 조성물, 자동차 시트 쿠션용 발포체 및 이의 제조 방법


    Contributors:
    KWON YONG JIN (author) / LIM SUNG HWAN (author) / EOM SE YEON (author)

    Publication date :

    2020-06-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    C08J Verarbeitung , WORKING-UP / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen




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