Preparation of Surface-Modified Nanozirconia and Its Application in CTP Plates

Wen Chen, P. Shi, Yinhe Liu, Cunlin Zhang
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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.
表面改性纳米氧化锆的制备及其在CTP板上的应用
采用硅烷偶联剂WD70对纳米氧化锆粉体进行表面改性,使其在光敏材料中分散均匀。采用XRD测定了纳米氧化锆的晶粒尺寸和相。FT-IR结果表明,WD70的甲氧基与纳米氧化锆表面的羟基发生脱甲醇反应后,通过物理吸附和化学结合在纳米氧化锆表面形成了节理。将表面改性纳米氧化锆应用于热交联型CTP (Computer to Plate)版材中,发现纳米氧化锆的加入可以缩短CTP版材的后焙时间。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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