SOUND INSULATION COMPOSITION AND SOUND INSULATION SHEET FOR VEHICLE

    公开(公告)号:US20200269775A1

    公开(公告)日:2020-08-27

    申请号:US15781031

    申请日:2016-12-21

    摘要: A sound insulation composition and a sound insulation sheet for a vehicle are provided. The sound insulation composition includes 50 to 300 parts by weight of EVA, 10 to 300 parts by weight of mica powers, 10 to 300 parts by weight of dolomite, 10 to 50 parts by weight of thermoplastic resin, 10 to 100 parts by weight of a toughening agent, 3 to 60 parts by weight of a compatilizer, 30 to 300 parts by weight of a fire retardant, 10 to 80 parts by weight of a plasticizer, and 100 to 500 parts by weight of barium sulfate. The sound insulation sheet for the vehicle is made of the sound insulation composition mentioned above.