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US 10,081,133 B2Granted
Release liner for pressure sensitive adhesives and method of use
Assignee3M Innovative Properties Company
InventorPanu K. Zoller
Life of this patent
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Abstract
A double-sided adhesive tape assembly that includes a double-sided tape having a pressure sensitive adhesive (“PSA”) on each side thereof and a delaminatable release liner in contact with the pressure sensitive adhesive (“PSA”) on one or both sides of the double-sided tape is disclosed. A roll of the double-sided adhesive tape assembly is also disclosed. Methods of making and using the double-sided adhesive tape assembly are also disclosed.
Claims3
A method of applying a double-sided pressure sensitive adhesive tape to a surface, said method comprising:
- providing an adhesive tape assembly comprising:
- a double-sided adhesive tape comprising front and back adhesive sides, each of said adhesive sides comprising a pressure sensitive adhesive;
- and
- a delaminatable release liner in contact with, bonded to and readily removable from at least one of said adhesive sides, said delaminatable release liner comprising:
- a first major release surface on an exposed side of said release liner,
- a second major release surface on an opposite side of said release liner, and
- a plane of weakness between said first and second major release surfaces, wherein said release liner can be readily delaminated lengthwise along said plane of weakness, between said first and second major release surfaces, so as to form a first delaminated layer and a second delaminated layer, with said first delaminated layer comprising said first major release surface and a first back side surface opposite said first major release surface, and said second delaminated layer comprising said second major release surface and a second back side surface opposite said second major release surface,
- wherein said adhesive tape assembly has (i) a first bond strength between said first back side surface and said second back side surface, and (iii) a second bond strength between said first major release surface and said front adhesive side, and
- wherein said second bond strength is lower than said first bond strength;
- applying the front adhesive side of the adhesive tape to the surface;
- and
- at least partially forming the first delaminated layer and the second delaminated layer by delaminating the release liner along the plane of weakness so as to at least partially separate the first delaminated layer from the second delaminated layer.
9 more elements
Dependencies are inferred from the claim text.