Adhesive assembly tapes
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United States of America Patent
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May 28, 2013
Grant Date -
Apr 7, 2011
app pub date -
Sep 28, 2010
filing date -
Oct 2, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to double-sided adhesive tape comprising a viscoelastic, first polymer layer, a second polymer layer on the top face and a third polymer layer on the bottom face of the viscoelastic, first polymer layer, where the viscoelastic, first polymer layer is based on a polymer which is obtainable by polymerization of a monomer composition of
- 65% to 97% by weight of ethylhexyl acrylate and/or butyl acrylate,0% to 30% by weight of methyl acrylate,3% to 15% by weight of acrylic acid,the viscoelastic interlayer being crosslinked,the second polymer layer is based on a polymer which is obtainable by polymerization of a monomer composition of85% to 95% by weight of ethylhexyl acrylate and/or butyl acrylate,5% to 15% by weight of acrylic acid,this second polymer layer being thermally crosslinked using at least one epoxycyclohexyl derivative in the absence of accelerators.
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