Process for gradient nanovoided article

作者: Encai Hao , William Blake Kolb , Eric W. Nelson , Michael Benton Free , Fei Lu

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摘要: A process and apparatus for producing a gradient nanovoided article, coating, low refractive index coating is described. The includes providing first solution of polymerizable material in solvent, environment proximate region the different second an adjacent coating. further at least partially polymerizing to form composition that insoluble polymer matrix solution. plurality nanovoids are filled with solution, major portion solvent from removed. volume fraction less than An also described, web line, section, partial polymerization removal section.

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