Photocuring adhesive containing an oligo siloxanyl di(meth)acrylate
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United States of America Patent
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Jul 11, 1995
Grant Date -
N/A
app pub date -
Dec 14, 1993
filing date -
Feb 25, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
This invention relates to a photocuring adhesive characterized in that a photoinitiator is added to a monomer composition comprising 20 to 50 wt % of the oligosiloxanyl di(meth)acrylate represented by the structural formula (1) shown below, 20 to 60 wt % of a hydrophobic mono (meth)acrylate having a hydrocarbon group containing no less than six carbon atoms in a side chain, and 1 to 80% of a hydrophilic monomer capable of undergoing free radical polymerization: ##STR1## R.sub.1 and R.sub.2 both being either hydrogen or methyl, m.sub.1 and m.sub.2 being an integer in the range 2 to 5, and n being an integer in the range 5 to 30.
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