Coating processes – Coating remains adhesive or is intended to be made adhesive
Reexamination Certificate
2011-03-22
2011-03-22
Kornakov, Michael (Department: 1714)
Coating processes
Coating remains adhesive or is intended to be made adhesive
C430S207000, C430S208000, C522S126000, C522S129000
Reexamination Certificate
active
07910163
ABSTRACT:
A process for producing an adhesive tape with single- or double-sided crosslinked pressure-sensitive acrylate hotmelt adhesive layer, wherein a crosslinker is added in the melt to a polyacrylate copolymer (“polyacrylate”) based on acrylic and/or methacrylic esters, the polyacrylate with crosslinker is conveyed to a coating unit, where it is applied to a web-form layer and following application is homogeneously crosslinked, where the crosslinker is a thermal crosslinker and some of the acrylic and/or methacrylic esters contain primary hydroxyl groups and addition takes place preferably in an extruder.
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Brandes Kay
Hansen Sven
Speer Jorg
Zöllner Stephan
Kornakov Michael
Norris McLaughlin & Marcus PA
tesa AG
Zhao Xiao
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