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US 2022/0177745 A1Published application
Film with structured adhesive and structured liner and method of making
Assignee3M Innovative Properties Company
InventorsCordell M. Hardy, Guy M. Kallman
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Abstract
Films with structured adhesives and structured liners are described. Associated methods of making such films are also described. Films as described herein may be particularly suitable to providing adhesive films with structured adhesives with readily recyclable liners.
Claims22
A film, comprising:
- a substrate with a first major surface and a second major surface;
- an adhesive layer disposed on the second major surface;
- and
- a release liner disposed on the adhesive layer opposite from the substrate;
- wherein the adhesive layer has a first structure pattern;
- wherein the release liner has a second structure pattern;
- and
- wherein the first structure pattern and the second structure pattern are not the inverse of or the same as each other.
5 more elements
A film, comprising:
- a substrate with a first major surface and a second major surface;
- an adhesive layer disposed on the second major surface;
- and
- a release liner disposed on the adhesive layer opposite from the substrate;
- wherein the adhesive layer has a first structure pattern;
- wherein the release liner has a second structure pattern;
- wherein, due to the second structure pattern, a gap is present between the adhesive layer and portions of the release liner.
4 more elements
A method, comprising:
- providing a substrate with a first major surface and a second major surface;
- applying an adhesive layer on the second major surface;
- embossing the adhesive layer with a first liner to form a structured adhesive layer having a first structure pattern;
- removing the first liner;
- attaching a second liner having a second structure pattern to the structured adhesive layer, the second structure pattern not being the inverse of or the same as the first structure pattern.
2 more elements
(canceled)
(canceled)
Dependencies are inferred from the claim text.