Glass for chemical strengthening and chemically strengthened glass
A kind of strengthening glass and chemical technology, applied in the field of chemically strengthening glass, can solve the problems affecting the warping of chemically strengthening glass, and achieve the effect of suppressing defects
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[0156] Hereinafter, although an Example is given and the present invention is concretely described, the present invention is not limited thereto. Examples 1-5 are examples, and Example 6 is a comparative example. It should be noted that the values shown in parentheses are calculated values, and blank columns indicate that they do not contain or have not been evaluated.
[0157] The raw materials were prepared so as to have the composition described in Table 1 in terms of mole percentage based on oxides, put into a platinum crucible, put into a resistance heating electric furnace at 1650° C., melt for 3 hours, homogenize, and defoam.
[0158] The obtained glass was poured into a mold, kept at a temperature of 680° C. for 1 hour, and then cooled to room temperature at a rate of 1° C. / minute to obtain a glass block. Next, the glass block is cut and polished, and both sides are mirror-finished to obtain glass having a predetermined size.
[0159] In addition, the glasses of Ex...
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Abstract
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