公开(公告)号：US20190152864A1

公开(公告)日：2019-05-23

申请号：US16099918

申请日：2017-10-26

Applicant: Dynamic Material Systems LLC

Inventor： Arnold HILL ,  William EASTER

IPC: C04B35/56 ,  C04B35/571 ,  C04B35/628 ,  C04B35/626 ,  C04B35/64 ,  B33Y10/00 ,  B33Y70/00 ,  B28B1/00

Abstract: A complex proppant particle is made of a coal dust and binder composite that is pyrolyzed. Constituent portions of the composite react together causing the particles to increase in density and reduce in size during pyrolyzation, yielding a particle suitable for use as a proppant.