| abstract |
The present invention relates to a waterproofing membrane composition containing polyvinyl chloride (PVC), at least a core-shell impact modifier; at least one polymeric processing aid, characterized in that it further comprises at least one thermoplastic elastomer containing PVC and polyacrylates, and at least one polar copolymer containing at least ethylene vinyl acetate or ethylene N-butyl acrylate, and a polar group selected from the group which consists of hydroxyl, alkoxy, carbonyl, carboxylic acid, carboxylic anhydride, ether, ester, carboxylic esters, epoxy, sulfonyl, nitrile, amide, silane and mixtures thereof. |