| abstract |
The invention belongs to polyamide compoiste material technical field, disclose reinforced polyamide matrix material of a kind of weld flash improvement and its preparation method and application.This polyamide compoiste material comprises the component of following mass percent: polymeric amide 45 ~ 85%; Reinforcing filler 10 ~ 50%; Welding auxiliary agent 0.5 ~ 5%; Flash activator 0.1 ~ 5%; Oxidation inhibitor 0.1 ~ 2%; Thermo-stabilizer 0.1 ~ 1.5%; Processing aid 0.1 ~ 1%; Other auxiliary agent 0.4 ~ 4%.The present invention, by adding welding auxiliary agent, improves the heat conductivility of material, and by adding flash activator, improves the thermostability of material, realizes reducing weld flash.The polyamide compoiste material obtained has excellent welding strength, and under normal temperature, bursting strength can improve 50%, and flash weight can reduce by 47%, and weld interval reduces 40%, can meet the requirement of different industries, therefore have broad application prospects. |