| abstract |
The invention discloses a kind of selective laser sintering conducting polypropylene composite powders and preparation method thereof.Conducting polypropylene composite powder is made of the raw material of following portions by weight：Polypropylene powder 100, alkyl-modified carbon nanotube 0.05 ~ 10, metal powder 0.05 ~ 20, flow promortor 0.1 ~ 1.0, antioxidant 0.1 ~ 1.0 and separator powder 0.1 ~ 5.The selective laser sintering is with conducting polypropylene composite powder because the addition of alkyl-modified carbon nanotube and metal powder has good electric conductivity, the present invention also provides the selective laser sintering preparation methods of conducting polypropylene composite powder, it is simple for process, powder diameter can be obtained and distribution meets SLS technological requirements, alkyl-modified carbon nanotube and the finely dispersed conducting polypropylene composite powder of metal powder, it is easily operated, it can realize that large-scale promote produces, have a vast market prospect, splendid market efficiency. |