公开(公告)号：US10947374B2

公开(公告)日：2021-03-16

申请号：US15781304

申请日：2016-12-21

Applicant: BYD COMPANY LIMITED

Inventor： Min Zhang ,  Xinping Lin ,  Yaxuan Sun ,  Mingshuang Zhou ,  Xiong Zhou

IPC: C08L23/16 ,  B60R13/08 ,  C08K13/06 ,  C08K3/30 ,  C08K3/26 ,  C08K9/06 ,  C08L91/06 ,  C08K3/34 ,  C08L51/06 ,  C08L91/00 ,  C08K5/00 ,  C08L23/06 ,  C08K3/04 ,  C08K13/02 ,  C08K3/38

Abstract: 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 EPDM rubber, 10 to 300 parts by weight of mica powers, 10 to 300 parts by weight of dolomite, 2 to 15 parts by weight of a vulcanizing agent, 3 to 60 parts by weight of a compatilizer, 30 to 300 parts by weight of a fire retardant, 0.2 to 3 parts by weight of a cross-linking agent, 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.