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US 2013/0276973 A1Published application
Debondable adhesive article
Assignee3M Innovative Properties Company
InventorsJoseph D. Rule, Kevin M. Lewandowski, Michael D. Determan
Life of this patent
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Abstract
An adhesive article is described that is debondable from substrates or adherends with the application of heat.
Claims20
A debondable adhesive article comprising:
- a) a shape memory polymer backing having a first surface and a second surface and having a temporary, deformed shape and pattern of latent projections on the first surface thereof;
- and
- b) an amorphous pressure sensitive adhesive layer coated on patterned surface of the shape memory polymer backing;
- wherein on exposure to heat the backing layer recovers to a permanent shape having a pattern of patent surface projections.
1 more element
Dependencies are inferred from the claim text.