Adhesive sheet and method of applying adhesive sheet to rough surface
Assignee3M Innovative Properties Company
InventorsHidetoshi Abe, Kengo Imamura, Katsuya Ono, Yoshihiko Takeda, Takeo Yamamoto
Life of this patent
Estimating the term…
Abstract
An adhesive sheet of an embodiment of the present disclosure is an adhesive sheet including: a rigid resin film having a thickness of 80 micrometers to 500 micrometers, and a first pressure sensitive adhesive layer being disposed on or above a surface of the rigid resin film, wherein the first pressure sensitive adhesive layer includes elastic resin microspheres having a volume average particle diameter of 110 micrometers or greater and a tacky binder, and the first pressure sensitive adhesive layer has an uneven surface due to the presence of the microspheres.
Claims18
An adhesive sheet comprising:
- a rigid resin film having a thickness of 80 micrometers to 500 micrometers and a yield modulus of 10 MPa to 300 MPa, wherein a product of the yield modulus and the thickness of the rigid resin film is 0.9×104 N/m to 5×104 N/m, and
- a first pressure sensitive adhesive layer being disposed on or above a surface of the rigid resin film, wherein
- the first pressure sensitive adhesive layer comprises elastic resin microspheres having a volume average particle diameter of 110 micrometers or greater and a tacky binder, and
- the first pressure sensitive adhesive layer has an uneven surface due to the presence of the microspheres.
The adhesive sheet according to claim , wherein the rigid resin film is a transparent resin film having a graphic image printed on a surface of the transparent resin film.
A method of applying an adhesive sheet on a rough surface, the method comprising:
- providing an adhesive sheet, the adhesive sheet comprising:
- a rigid resin film having a thickness of 80 micrometers to 500 micrometers and a yield modulus of 10 MPa to 300 MPa, wherein a product of the yield modulus and the thickness of the rigid resin film is 0.9×104 N/m to 5×104N/m, and
- a first pressure sensitive adhesive layer being disposed on or above a surface of the rigid resin film, wherein
- the first pressure sensitive adhesive layer comprises elastic resin microspheres having a volume average particle diameter of 110 micrometers or greater and a tacky binder, and
- the first pressure sensitive adhesive layer has an uneven surface due to the presence of the microspheres;
- and
- applying the adhesive sheet on a rough surface;
- the adhesive sheet exhibiting a smooth appearance after being applied on the rough surface.
Dependencies are inferred from the claim text.