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OwnerKiyoshi Maehara, Masanobu Ogawa +4inventors
InventorsKiyoshi Maehara, Masanobu Ogawa, Tutomu Iguchi, Koichi Ikeda, Wakako Tamura, Yuji Ito
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The present invention is to provide a water cut-off agent capable of being applied in a simple manner and having excellent cut-off capabilities. The permeable water cut-off agent of the present invention comprises, as the essential components, a hydrophilic resin and a gellant for the resin. It may be wrapped with a water-pervious material, or may be mixed with water for spread, or may be impregnated into films or spongy substances. Mixing the permeable water cut-off agent of the present invention with a cement or mortar composition gives waterproof construction materials.
A method for preventing water leaks, which comprises spreading or injecting on a substrate or in cracks or holes in a substrate, a permeable water cut-off agent comprising a gelable hydrophilic resin, a gellant for said hydrophilic resin, and a surfactant.
Dependencies are inferred from the claim text.