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8722632 
Journal Article 
Fluorinated poly(phthalazinone ether)s with tunable refractive index: Synthesis, characterization and optical properties 
Song, Y; Li, G; Wang, J; Sun, Q; Jian, X; Teng, J; Zhang, H 
2008 
1 
Polymer Journal
ISSN: 0032-3896 
40 
2 
92-93 
English 
The physical and chemical properties of the Fluorinated Poly(phthalazinone ether)s with tunable refractive index was investigated. A series of novel fluorinated poly(phthalazinone ether)s (FPPEs) were synthesized. The resulting polymers were dissolved in cyclohexane at a concentration of 20% (w/v). The solution was then filtered through a 0.45 μm Teflon microfilter and spin-coated on a Si/SiO2 substrate. The whole spin coating procedure was carried out in a 1000 class ultraclean room. The resulting films were dried at 60°C and 120°C to remove the residual solvent under vacuum. The optical properties of the polymer films, such as the refractive index, thermo-optic coefficient and optical were measured with a Sairon SPA-4000 prism coupler. It was observed that the obtained fluorinated poly(phthalazinone ether)s, which were prepared by the modified synthetic procedure, exhibited excellent solubility, high thermal stability, and good optical properties. 
Fluorinated poly(aryl ether)s; Optical waveguide; Phthalazinone; Synthesis