New UV-Curable High Refractive Index Oligomers

New UV-Curable High Refractive Index Oligomers

The present work addresses a market demand for high refractive index (n D) coatings. We prepared organic UV-curable oligomers with n D > 1.6. We found a novel way to prepare sulfur-containing UV-curable high n D oligomers of melamine and urethane acrylates. Refractive indices of the synthesized o...

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Veröffentlicht in:Industrial & engineering chemistry research 2008-04, Vol.47 (7), p.2155-2159
Hauptverfasser: Nebioglu, Ahmet, Leon, Joseph A, Khudyakov, Igor V
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Chemical engineering
Exact sciences and technology
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Zusammenfassung:The present work addresses a market demand for high refractive index (n D) coatings. We prepared organic UV-curable oligomers with n D > 1.6. We found a novel way to prepare sulfur-containing UV-curable high n D oligomers of melamine and urethane acrylates. Refractive indices of the synthesized oligomers were between 1.552 and 1.615. Cure of the oligomers led to films with n D = 1.559 and 1.660. A wide variety of mechanical properties for UV-cured oligomers can be obtained with the facile synthesis methods used.
ISSN:0888-5885
1520-5045
DOI:10.1021/ie071443f