LINER AND COVER MATERIAL FOR UNDERGROUND POLLUTION NONPROLIFERATION

摘要

The present invention relates to a water shielding material comprising a silica sand, bentonite and polynorbornene resin. Specifically, in the present invention, it is harmless to the environment, does not interfere with the flow of groundwater in a state in which the pollutant does not flow out, and the ordering performance is exhibited only when the pollutant is leaked out, thereby effectively preventing the spread of underground pollution. to provide.