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Open AccessArticle

A Comparative Study of Adhesion Evaluation Methods on Ophthalmic AR Coating Lens

China National Inspection Testing Center for Ophthalmic Optics Glass and Enamel Products, Donghua University, Shanghai 201620, China
Carl Zeiss Vision (China) Ltd., Guangzhou 510555, China
Carl Zeiss Vision Technical Services (Guangzhou) Ltd., Guangzhou 510555, China
School of Environmental and Materials Engineering, College of Engineering, Shanghai Polytechnic University, Shanghai 201209, China
Research Center of Resource Recycling Science and Engineering, Shanghai Polytechnic University, Shanghai 201209, China
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Coatings 2020, 10(10), 979;
Received: 19 September 2020 / Revised: 29 September 2020 / Accepted: 10 October 2020 / Published: 14 October 2020
(This article belongs to the Special Issue Manufacturing and Surface Engineering II)
Ophthalmic resin lenses are widely used to correct myopia and defend harmful light waves. Ophthalmic lens with anti-reflective (AR) coating has become the mainstream product in the lens market. The AR coating is composed by inorganic metal oxides, which is very different to the organic lens substrate in thermal expansion coefficients. In a normal wearing environment, coating delaminating often occurs resulting that AR function is disabled. How to evaluate adhesion of the AR coating is important. In this paper, a specially designed cutting tool was used to scratch two grids on each surface of the lens. The peel off operation was carried out with the tape within specified adhesion range. The coating detachment was evaluated by visual inspection and microscopy based on the methods defined in ISO 2409 and GB 10810.4, the applicability was compared and discussed. View Full-Text
Keywords: anti-reflective coating; adhesion; scratch/cut test anti-reflective coating; adhesion; scratch/cut test
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MDPI and ACS Style

Zhang, X.; Ma, W.; Zhang, S.; Huang, H.; Ouyang, L.; Peng, W.; Ye, J.; Chen, C. A Comparative Study of Adhesion Evaluation Methods on Ophthalmic AR Coating Lens. Coatings 2020, 10, 979.

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