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US 11,447,664 B2Granted
Color wrapping film for vehicle
AssigneeStek Co., Ltd.
InventorsInhwan Oh, Subin Park, Seunghwan Baek
Life of this patent
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Abstract
The present disclosure relates to a color wrapping film for a vehicle, which has an excellent impact resistance and excellent scratch restorability due to a base layer and a coating layer formed of a polyurethane-based material, and suppresses discoloration caused by an external environment by adding a color pigment to a separate layer.
Claims5
A color wrapping film for a vehicle, the color wrapping film comprising:
- a self-healing layer including polyurethane methacrylate and an isocyanate curing agent;
- a base layer disposed under the self-healing layer, and including thermoplastic polyurethane;
- a color layer disposed under the base layer, and formed from a composition containing a urethane acrylate binder, a color pigment, a curing agent, and a solvent;
- and
- an adhesive layer disposed under the color layer, and formed from a composition containing an acrylic copolymer, a curing agent, and a solvent,
- wherein the self-healing layer restores scratches generated on a surface of the color wrapping film for the vehicle, and
- the color layer serves as a primer between the base layer and the adhesive layer to prevent a transfer phenomenon of the adhesive layer, wherein the color layer is formed from the composition containing 50 to 60 parts by weight of the urethane acrylate binder, 5 to 10 parts by weight of the color pigment, 1 to 5 parts by weight of the curing agent, and 30 to 60 parts by weight of the solvent.
4 more elements
Dependencies are inferred from the claim text.