Production of optical glass
专利汇可以提供Production of optical glass专利检索，专利查询，专利分析的服务。并且PURPOSE:To obtain optical glass which is decreased of cracking that may occur at the syneresis of gell by sintering the high silica gel obtained by filling sol liquid into a vessel coated with silicone on the inside surface and hydrolyzing metal alkoxide. CONSTITUTION:At the time of manufacturing glass by sintering the high silica gel obtained by hydrolyzing metal alkoxide, a vessel coated with silicone on the inside surface is used as a vessel for filling the sol liquid. Whether the wetting of the vessel contg. the sol liquid is good or not has a correlation with the occurrence of cracking at the time of syneresis, and with a vessel of good wetting to the sol liquid, stress acts between the sol liquid and the vessel wall surface during shrinking of gel and therefore cracking is liable to occur. With a vessel of poor wetting, on the other hand, the gell easily separates from the vessel wall, and cracking hardly occurs. As the material of poor wetting, ''Teflon '' is superior but is clostly and is undesirable because it cannot be seen through from the outside.，下面是Production of optical glass专利的具体信息内容。
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