Adhesives for dvd bonding
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United States of America Patent
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N/A
Issued Date -
Jan 15, 2004
app pub date -
May 14, 2003
filing date -
Dec 15, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Curable (meth)acrylate adhesives are formulated with aliphatic urethane (meth)acrylate resins. The resins are urethane (meth)acrylate capped polyols wherein the urethane acrylate capping is derived from isophorone diisocyanate and a hydroxyalkyl (meth)acrylate and the polyol is an oligomeric aliphatic diol or triol having a number average molecular weight of from about 1500 to about 3500. The hydroxyalkyl (meth)acrylate may be hydroxy ethyl acrylate. The polyol may be a member selected from the group consisting of polyoxypropylene triols, polyTHF diols, polycaprolactone/polyTHF block copolymers, and polycaprolactone diols. The adhesives give good adhesion to common DVD substrate materials, and display excellent corrosion resistance in dissimilar metal bonding applications.
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