Abstract
Nano-zirconia powders which were surface-modified with silane coupling reagent WD70 were prepared in order to disperse homogeneously in photosensitive material in this investigation. Grain size and grain phase of nano-zirconia were obtained by XRD. Results given by FT-IR showed WD70 was jointed on the surface of nano-zirconia through both physical adsorption and chemical binding after de-methanol reaction between the methoxyl groups of WD70 and the hydroxy groups on the surface of nano-zirconia. Surface-modified nanozirconia was applied to the Computer To Plate (CTP) plates of thermal cross linking type, and it was found that the adding of nanozirconia could shorten the after-bake time of the plates.
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