| abstract |
The invention discloses a high-density noise reduction firewall thermoplastic material and a preparation method thereof. The high-density noise-reducing firewall thermoplastic material of the present invention, by weight percentage, the preparation raw materials of the high-density noise-reduction firewall thermoplastic material include the following components: 30-45% of matrix resin, 45-65% of barium sulfate, 5% of glass fiber ～15%, coupling agent 1～2%, dispersant 0.2%, light stabilizer 0.2～0.4%, anti-scratch agent 0.2～0.4%. The preparation method of the present invention is simple, the prepared thermoplastic material for firewall has high rigidity and high toughness at the same time, realizes the balance of rigidity and toughness, and has high density, and the prepared thermoplastic material for firewall has good noise reduction effect and can be widely used in the automotive field. |