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US 10,294,387 B2Granted
Hard coating film
AssigneeLG Chem, Ltd.
InventorsJoon Koo Kang, Yeong Rae Chang, Jae Hoon Shim, Sung Don Hong, Seung Jung Lee
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Abstract
The present invention provides a hard coating film having high hardness and excellent properties. The hard coating film has high hardness and is not easily curled.
Claims15
A hard coating film, comprising:
- a supporting substrate;
- and
- a hard coating layer directly formed on both sides of the supporting substrate,
- wherein the hard coating layer includes a crosslinked copolymer in which tri- to hexa-functional acrylate-based monomers are crosslink-polymerized with mono- to di-functional acrylate-based monomers,
- wherein the hard coating layer includes inorganic particles having a particle size of 100 nm or less dispersed in the crosslinked copolymer,
- wherein the hard coating film has a hardness property of pencil hardness of 7H or more,
- wherein the hard coating layer has a thickness of 50 to 150 μm, and
- wherein the hard coating film has a light transmittance of 91% or more.
5 more elements
Dependencies are inferred from the claim text.