Photopolymerizable compositions and elements for refractive inde

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making

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430290, 430 1, 430 2, 430907, 430281, 430910, 430909, 430912, 522 89, 522100, 522102, 522116, 522120, 522138, 522144, 522 16, 522 26, G03C 170, G03C 168

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049421123

ABSTRACT:
Solid photopolymerizable compositions and photosensitive elements are provided that are useful in preparing optical elements, and especially holograms. The composition contains a polymeric binder, a liquid ethylenically unsaturated monomer, and a photoinitiator system. Typical compositions have a refractive index modulation of at least 0.005 when measured per the specified test.

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