| 摘要 |
The present invention relates to a prepreg of a fibre-reinforced composite foam material, which is formed by impregnating reinforced fibres with an impregnation material containing a formaldehyde based resin and a foaming agent, and then drying. The impregnation material also contains an itaconic acid epoxy resin.The product of the present invention has an improved flexibility, bending strength and impact resistance. |
