| abstract |
The invention discloses a glass fiber composite material which is prepared from the following raw materials in parts by weight: epoxy resin: 40-60 parts; 30-40 parts of unsaturated polyester resin; modified glass fiber: 60-70 parts; modified montmorillonite: 5-10 parts; graphite: 6-15 parts; chicken feather fiber: 1-2 parts; initiator: 0.3-0.5 part; curing agent: 0.5-1 part; according to the invention, the glass fiber is modified, and the hyperbranched polymer with hydroxyl is grown on the glass fiber to improve the mechanical property of the epoxy composite material; in addition, the crosslinking density in the epoxy matrix and the glass fiber is improved by modifying the hydroxyl on the surface of the glass fiber, and the segmental motion of the epoxy matrix is inhibited, so that the glass transition temperature of the composite material is increased; in addition to improving mechanical properties, the glass fibers may also act as a chemical barrier, thereby reducing the water absorption of the composite. |