| 摘要 |
A plastic optical article wherein a transparent coating film is applied on a transparent three-dimensional cross-linked resin having a glass transition temperature of at least 130 DEG C. The article has excellent heat resistance, solvent resistance, chemical resistance, abrasion resistance and transparency, and is used as optical materials for optical lenses and substrate materials for various display devices. Also when an inorganic thin film is deposited on a surface such as a transparent electro-conductive film, a thin film having a high heat resistance can be obtained.
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