Water soluble fluorocopolymers composed of 2,2,3,3-tetrafluoropropyl methacrylate (TFPMA) and methacrylic acid, and water soluble methacrylate copolymers composed of butyl methacrylate and methacrylic acid were synthesized by solution polymerization. Photopolymers for holographic recording with these copolymers as the binders were prepared and studied in terms of photosensitivity, reflective efficiency and space resolution. The experiment data in comparison indicate that the photosensitivity of the photopolymers containing TFPMA was lower and the reflection efficiency were increased when recording at lower frequency, but decreased at higher frequency. The change of F/O atomic ratio on the fluoro photopolymer surface, as determined by XPS, indicated that oxygen in air participated in the photopolymerization in photorecording. The differences of reflective indices caused by the laser initiated photopolymerization are not the only factors affecting the holographic recording. Compatibility among the components in the final material is also important.
