▎ 摘　　要

NOVELTY - Low permeability anti-dispersion rock permeability modified material comprises 60-100 pts. wt. superfine silicate cement, 0.018-0.04 pt. wt. graphene, 12-30 pt. wt. superfine fly ash, 1.2-3 pt. wt. polyacrylamide, 0.3-1.5 pts. wt. high performance water reducing agent, 36-80 pts. wt. water and 0-300 pts. wt. coal gangue. USE - Low-permeability anti-dispersion rock permeability modified material for use in mine water conservation exploitation technology field for protecting water resources in coal mining. ADVANTAGE - The rock permeability modified material has good pore or micro-crack injection and high water pressure under the action of anti-dispersion. DESCRIPTION OF DRAWING(S) - The drawing shows an embodiment 1 low permeability anti-dispersion rock permeability modified material 28d-age electron microscope scanning image, gel, agglomerated flocculent.