SOLVENT-FREE ADHESIVE FOR WATERPROOF SHEET, WATERPROOF SHEET AND MANUFACTURING METHOD OF WATERPROOF SHEET USING THE SOLVENT-FREE ADHESIVE AND CONSTRUCTION METHOD USING THE WATERPROOF SHEET
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United States of America Patent
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Issued Date -
Jul 28, 2011
app pub date -
May 8, 2009
filing date -
May 9, 2008
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Abandoned
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Abstract
Provided are a solvent-free adhesive for a waterproof sheet, a waterproof sheet and a manufacturing method of the waterproof sheet using the solvent-free adhesive, and a construction method using the waterproof sheet. The solvent-free adhesive is manufactured by mixing rubber and tackifier with heated oil in a heat liquefying mixer to form a mixture and thereafter mixing at least one additive with the mixture, wherein the oil is at least one of mineral oil, vegetable oil, and synthetic oil. The solvent-free adhesive is coated on a polymeric synthetic film sheet (e.g., PP, PE, PVC, EVA, and urethane) not having adhesive property.
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