Water-swellable compositions and sealants

Details Water-swellable compositions and sealants Water-swellable compositions and sealants

C - Chemistry, Metallurgy

08

L

C08L 95/00 (2006.01) C04B 26/26 (2006.01) C08K 3/34 (2006.01) C09J 195/00 (2006.01) C09K 3/10 (2006.01)

Patent

CA 2234591

There is disclosed a water-swellable composition that comprises a water-swellable clay, an asphalt, and at least one selected from the group consisting of temperature-sensitivity improving agents and reinforcing fillers. This water-preventing sealant can be produced relatively easily at a low cost, it is excellent in water-preventing performance, long-term stability, and self-sealing property, it has adhesiveness as well as shape-retainability and heat resistance, it is relatively low in compression impact resilience, it is excellent in ability to follow a substrate at the time of the application, and it is also excellent in applicability.

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