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US 11,767,390 B2Granted
UV-curable resin composition enabling thermoforming and replica film of real material comprising same
AssigneesHyundai Motor Company, Kia Motors Corporation, Skc Hi-Tech & Marketing Co., Ltd.
InventorsJae Sik Seo, Hyun Jung Kim, Hyun Kyung Kwon, Seong Do Kim, Chang Ho Kang
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Abstract
The present disclosure relates to a UV-curable resin composition enabling thermoforming and a replica film of a real material including the same, in which the UV-curable resin composition includes a prepolymer including a urethane-based oligomer and an acrylic oligomer, an acrylate monomer and a photoinitiator.
Claims16
A UV-curable resin composition, comprising:
- a prepolymer including a urethane-based oligomer and an acrylic oligomer;
- an acrylate monomer;
- and
- a photoinitiator;
- wherein the prepolymer comprises 10 wt % to 40 wt % of a first urethane-based oligomer including a bifunctional aliphatic urethane acrylate, 5 wt % to 30 wt % of a second urethane-based oligomer including a trifunctional aliphatic urethane acrylate, and 1 wt % to 15 wt % of an acrylic oligomer;
- wherein the acrylate monomer comprises 10 wt % to 30 wt % of tetrahydrofurfuryl acrylate, 5 wt % to 20 wt % of isobornyl acrylate, and 1 wt % to 10 wt % of hydroxyl pivalic acid neopentyl glycol diacrylate;
- and
- wherein the photoinitiator comprises 1 wt % to 5 wt % of a short-wavelength photoinitiator and 0.5 wt % to 1 wt % of a long-wavelength photoinitiator;
- wherein the wt % is based on a total weight of the UV-curable resin composition.
6 more elements
Dependencies are inferred from the claim text.