Asphalt-urethane composition
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United States of America Patent
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Feb 13, 2018
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app pub date -
May 23, 2014
filing date -
May 24, 2013
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Abstract
An asphalt-urethane composition is disclosed which does not contain any of specific chemical substances, has adhesiveness to mineral-surfaced asphalt roofing and an asphalt groundwork, exhibits performance in temporary waterproofing with respect to the asphalt groundwork, performs adhesion of sand to the surface layer of the mineral-surfaced asphalt roofing and adjustment of irregularity, has adhesiveness of integrating with a urethane waterproof layer applied thereon, has excellent workability, construction efficiency, water resistance, and hot water resistance, has high strength and elasticity, has low temperature sensitivity, and has excellent finish properties. The asphalt-urethane composition can contain at least a component (A) obtained by adding an MDI prepolymer generated by reacting polyolefin polyol having two or more hydroxyl groups, short-chain polyhydric alcohol, and a monomer of MDI, a monomer of MDI, and a solvent a; and a component (B) including asphalt, a catalyst, and a solvent b.
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Cited Art Landscape
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