USE OF AN ACTIVATABLE ADHESIVE COMPOSITION FOR PRODUCING FOLDING-CARTON BLANKS
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United States of America Patent
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Issued Date -
Oct 6, 2011
app pub date -
Mar 8, 2011
filing date -
Mar 8, 2010
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Abandoned
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Abstract
Described is the use of an activatable adhesive composition for producing a folding-carton blank which is blocking-resistant at 25° C. with adhesive composition applied thereto. The adhesive composition has at less than or equal to 25° C. an Ig G′ value of greater than or equal to 6 and at greater than or equal to 120° C. has an Ig G′ value of less than or equal to 4, and comprises a copolymer having a glass transition temperature of greater than 30° C. The copolymer is formed from a first monomer and from more than 3% by weight and less than 40% by weight of a second monomer, the first monomer being selected from alkyl (meth)acrylates and vinylaromatics, and the second monomer being selected from ethylenically unsaturated monomers having acid groups and hydroxyalkyl (meth)acrylates.
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