Water-swellable compositions and sealants
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United States of America Patent
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Dec 28, 1999
Grant Date -
N/A
app pub date -
Apr 8, 1998
filing date -
Apr 11, 1997
priority date (Note) -
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Abstract
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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