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发明公开
CN107365064A 离子交换熔盐组合物和钢化盖板玻璃及其钢化方法 有权 许可

离子交换熔盐组合物和钢化盖板玻璃及其钢化方法
摘要：
本发明涉及盖板玻璃强化处理技术领域，公开了一种离子交换熔盐组合物和钢化盖板玻璃及其钢化方法；离子交换熔盐组合物，以该组合物的总重量为基准，该组合物含有80-99.5重量％的KNO3、0.1-15重量％的K2CO3和0.1-5重量％的稀土氧化物；盖板玻璃的钢化方法，包括将所述的离子交换熔盐组合物加热至熔化，得到熔液，在得到的所述熔液中，将待钢化的盖板玻璃进行离子交换。根据本发明的方法能够明显改善钢化效果，获得兼具高硬度和高抗弯强度的钢化盖板玻璃。
摘要（英）：

The present invention relates to the technical field of cover plate glass strengthening treatment, and discloses an ion exchange molten salt composition, and a tempered cover plate glass and a tempering method thereof. The ion exchange molten salt composition contains, by weight, 80-99.5% of KNO3, 0.1-15% of K2CO3, and 0.1-5% of a rare earth oxide. The tempering method comprises: heating the ion exchange molten salt composition to melt so as to obtain a molten liquid, and carrying out ion exchange on a cover plate glass to be tempered in the obtained molten liquid. With the method of the present invention, the tempering effect can be significantly improved, and the tempered cover plate glass with advantages of high hardness and high bending strength can be obtained.

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