| abstract |
The invention discloses a kind of toughening modifying composite material and preparation method thereof, including following parts by weight raw material to be prepared：10 20 parts of nanometer glass fiber, 5 10 parts of modifying agent, 5 10 parts of polyurethane, 10 15 parts of butadiene rubber, 40 50 parts of polyethylene terephthalate, 13 parts of coupling agent, 0.3 0.5 parts of crosslinking agent；The present invention is for composite by the nanometer glass fiber Jing Guo specific aim modification and polyethylene terephthalate, and nanometer glass fiber is set to be dispersed in polyethylene terephthalate system, obtained composite material tensile strength performance is excellent, is conducive to application of the polyethylene terephthalate in more areas. |