| abstract |
The invention discloses a high-impact polystyrene and a preparation method thereof; the high-impact polystyrene is composed of the following components: 60-100 parts by mass of polystyrene triblock copolymer, 5-10 parts by mass of porous polystyrene Calcium silicate, 1-6 parts by mass of antioxidant, 2-8 parts by mass of antistatic agent, 3-7 parts by mass of impact modifier, 8-15 parts by mass of plasticizer, 2-8 parts by mass of heat stabilizer; The present invention blocks polyisoprene between polystyrene molecular chains to enhance the flexibility of polystyrene molecules and improve impact resistance, and at the same time, blocks polysilane coupling agent, polysilane The coupling agent interacts with the porous calcium silicate to enhance the sound insulation properties of the polystyrene material. |