THREE-DIMENSIONAL SILICONE-RUBBER BONDED OBJECT
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United States of America Patent
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Issued Date -
Jul 14, 2011
app pub date -
Sep 15, 2009
filing date -
Sep 16, 2008
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Abstract
A simple silicone-rubber bonded object is provided in which non-flowable substrates, i.e., a three-dimensional silicone rubber elastic substrate molded beforehand and an adherend substrate, were able to be tenaciously bonded to each other without using a flowable curable adhesive or pressure-sensitive adhesive and which is inexpensive and has high productivity. The silicone-rubber bonded object comprises a three-dimensional silicone rubber elastic substrate having hydroxyl groups on the surface and an adherend substrate having hydroxyl groups on the surface, the substrates having been laminated to each other through covalent bonding between the hydroxyl groups of both. The elastic substrate and/or the adherend substrate has undergone corona discharge treatment and/or plasma treatment, whereby the hydroxyl groups have been formed on the surface thereof.
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