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US 9,896,596 B2Granted
Plastic film
AssigneeLG Chem, Ltd.
InventorsSoon Hwa Jung, Boo Kyung Kim, Seok Hoon Jang, Joon Koo Kang, Jae Hoon Shim, Seung Jung Lee, Yeong Rae Chang, Sung Don Hong
Life of this patent
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Abstract
Disclosed is a plastic film exhibiting excellent physical properties including a high level of hardness, high scratch resistance, and low reflection. Exhibiting a high level of hardness, scratch resistance, impact resistance, low reflectivity, and high transparency, the plastic film can be used as a substitute for a cover plate made of glass or reinforced glass.
Claims16
A plastic film, comprising:
- a support substrate;
- a first coating layer, formed on one side of the support substrate;
- a low-reflection coating layer, formed on the first coating layer;
- and
- a second coating layer, formed on another side of the support substrate,
- wherein, the first and second coating layers have a thickness of 70 to 300 μm,
- wherein, each of the first and the second coating layers comprise a first photocrosslinked copolymer and first inorganic fine particles dispersed in the first photocrosslinked copolymer,
- wherein, the first photocrosslinked copolymer comprises a photocurable elastomer comprising a polyrotaxane,
- wherein, the low-reflection coating layer comprises a second photocrosslinked copolymer, and hollow silica particles dispersed in the second photocrosslinked copolymer, and
- wherein the plastic film has a pencil hardness of 6H or more at a load of 1 kg.
7 more elements
Dependencies are inferred from the claim text.