| abstract |
The invention discloses a modified high polymer material and a preparation method thereof, wherein 100 parts by weight of thermosetting resin, 0-100 parts by weight of curing agent, 1-100 parts by weight of hyperbranched polyborosiloxane containing functional groups and 0-1 part by weight of curing catalyst are uniformly mixed at the temperature of 30-400 ℃, and the modified high polymer material is obtained. The modified high polymer material has excellent storage stability, manufacturability and reactivity, fully integrates the performance advantages of hyperbranched polymer, polysiloxane and polyboroxine, has higher toughness, better flame retardance, more outstanding thermal stability, more excellent dielectric property and damp and heat resistance, and has high cost performance. The preparation method of the modified polymer material disclosed by the invention has the advantages of wide applicability, simple operation process, easiness in molding and the like. |