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US 2015/0298446 A1Published application
Adhesive-backed articles
Assignee3M Innovative Properties Company
InventorsHaruyuki Mikami, Patrick R. Fleming, Mieczyslaw H. Mazurek
Life of this patent
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Abstract
Methods of preparing adhesive-backed articles and methods of applying adhesives backed articles are described. The adhesive-backed articles include a compliant film and a pressure-sensitive adhesive having a microstructured surface opposite the compliant film.
Claims20
A method of preparing an adhesive-backed article, said method comprising:
- providing a release liner having a microstructured release surface;
- providing a pressure-sensitive adhesive layer having a microstructured adhesive surface, with a pattern of channels being formed in the microstructured adhesive surface that define a volume of at least 1×103 μm3 per any 500 μm diameter circular area of the pattern;
- and
- laminating a compliant film to a surface of the pressure-sensitive adhesive layer that is opposite the microstructured adhesive surface, with the compliant film being solid and pigmented and having an inelastic deformation after being stretched once to 115 percent of its original length,
- wherein the microstructured adhesive surface is in contact and mated with the microstructured release surface, and the microstructured adhesive surface has channels that define exit pathways that can provide fluid egress to a periphery of the compliant film.
2 more elements
A method of applying an adhesive-backed article to a motor vehicle surface, said method comprising:
- providing an adhesive-backed article suitable for being adhered to the motor vehicle surface, with the adhesive-backed article comprising a pressure-sensitive adhesive layer having a microstructured surface and an opposite surface bonded to a compliant film, with the compliant film being solid and pigmented and having an inelastic deformation after being stretched once to 115 percent of its original length, a pattern of channels being formed in the microstructured surface that define a volume of at least 1×103 μm3 perany 500 μm diameter circular area of the pattern, and the microstructured surface having channels defining exit pathways that can provide fluid egress to a periphery of the compliant film;
- and
- adhering the microstructured surface of the pressure-sensitive adhesive layer to the motor vehicle surface.
Dependencies are inferred from the claim text.