Stretchable film and surface coating composition
Assignee3M Innovative Properties Company
InventorsNaota Sugiyama, Shinsuke Kondo, Tatsuya Sato, Yoshihiko Takeda
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Abstract
Object: Provided is a stretchable film having a low-glass appearance, wherein the low gloss appearance does not readily change even when the film is stretched. Solution: A stretchable film of one embodiment of the present disclosure includes a surface layer including: a binder comprising urethane resin; urethane resin beads having an average particle size of not less than 4 μm and not greater than 20 μm; and nanosilica particles; wherein the surface gloss is not greater than 5 GU at 60 degrees.
Claims12
A stretchable film comprising a surface layer, the surface layer comprising:
- a binder comprising urethane resin;
- urethane resin beads having an average particle size of not less than 4 μm and not greater than 20 μm;
- and
- nanosilica particles, the stretchable film having a surface gloss being not greater than 5 GU at 60 degrees,
- wherein the urethane resin beads in the surface layer comprise greater than 100 parts by mass and not greater than 240 parts by mass based on 100 parts by mass of the binder.
A surface coating composition comprising:
- a binder precursor comprising a urethane resin composition;
- urethane resin beads having an average particle size of not less than 4 μm and not greater than 20 μm;
- and
- nanosilica particles,
- wherein the urethane resin beads comprise greater than 100 parts by mass and not greater than 240 parts by mass based on 100 parts by mass of the binder.
Dependencies are inferred from the claim text.