Adhesive tape, especially for masking of window flanges
AssigneeTesa SE
InventorsNicolai Bohm, Siegfried Krupke
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Abstract
A self-adhesive tape intended in particular for masking window flanges of automobiles, comprising a backing composed of two films disposed one above the other, the first film being composed of plasticized polyvinyl chloride (soft or sPVC) and the second of polyethylene terephthalate (PET) and the two films being joined with a laminating adhesive comprising a crosslinked, tackifier-resin-free acrylic ester polymer, characterized by a microshear travel of less than 60 μm (for a coat weight of 25 g/m2) and a delamination force of more than 3 N/cm, and also comprising a self-adhesive mass applied to the backing.
Claims14
A self-adhesive tape for masking window flanges of automobiles, comprising a backing which is formed of two films disposed one above the other, the first film being composed of soft plasticized polyvinyl chloride (sPVC) and the second of polyethylene terephthalate (PET) and the two films being joined to each other with a laminating adhesive comprised of a crosslinked, tackifier-resin-free acrylic ester polymer having a microshear travel of less than 60 μm (for a coat weight of 25 g/m2) and a delamination force of more than 3 N/cm, and a self-adhesive mass applied to the backing.
Dependencies are inferred from the claim text.