On the present, the main studies focus on the stability improvement of photochromic dyes, preparation of sol-gel optical fibre and decrease of hydroxyl group content.
提高光致变色染料的稳定性、制备溶胶-凝胶光纤及降低杂化材料羟基含量是目前的研究重点。
Glass with low hydroxyl group content prepared by the technology of the invention has the advantages of low costs, simplicity and easy operation, prominent de-watering effects and the like.
本发明工 艺制备的低羟基含量玻璃，具有成本低廉、简单易行、除水效果显著等特点。
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