METHOD FOR STICKING A FORMED PRODUCT OF AN ADHESIVE TO AN ADHEREND
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United States of America Patent
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app pub date -
Mar 18, 2015
filing date -
Mar 27, 2008
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Abandoned
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Abstract
A method for sticking a formed product of an adhesive composition to an adherend composed of a metal, which includes: (a) holding the formed product to the adherend with a magnetic force, (b) heating the resultant formed article at 110° C. to 200° C. to decrease the magnetic force and to generate adhesion, thereby sticking the formed product to the adherend by the adhesion, wherein the adhesive composition comprises a mixture of a hot-melt adhesive and a ferromagnetic material, the adhesive composition exhibiting a surface magnetic force of not less than 20 mT to be operable to be held to the adherend having a surface magnetic force of less than 5 mT after a heating at 50° C. for 40 minutes, and the adhesive composition having a shear force of not less than 20 N after a hot bonding at 150° C. for 10 minutes.
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