Lithium-zirconium-based aluminosilicate glass, reinforced glass, preparation method therefor and display device
Disclosed is a lithium zirconium-based aluminosilicate glass, comprising the following components by mass percentage: 50%-72% of SiO 2 , 10%-27% of Al 2 O 3 , 0.1%-10.0% of B 2 O 3 , 2%-10% of Li 2 O, 4%-15% of Na 2 O, 0.1%-5.0% of ZrO 2 , and 0-4% of K 2 O, wherein the total mass percentage of Li 2 O, Na 2 O and K 2 O is ≥9%, and the ratio of the mass of Li 2 O to the total mass of Li 2 O, Na 2 O and K 2 O is (0.22-0.48):1.
1 . A lithium-zirconium-based aluminosilicate glass comprising the following components by mass percentage:
50%-72% of SiO 2 ;
13%-27% of Al 2 O 3 ;
0.1%-10.0% of B 2 O 3 ;
2%-10% of Li 2 O;
4%-15% of Na 2 O;
0.1%-5.0% of ZrO 2 ; and
0~4% of K 2 O,
and at least one of the following:
SnO 2 having a mass percentage greater than 0 but no greater than 1%,
CeO 2 having a mass percentage greater than 0 but no greater than 0.5%, or
SrO having a mass percentage greater than 0 but no greater than 4%; and
wherein a total mass percentage of Li 2 O, Na 2 O, and K 2 O is no less than 9%, wherein a total mass percentage of ZrO 2 and Al 2 O 3 is greater than 16%, wherein a ratio of a mass of Li 2 O to a total mass of Li 2 O. Na 2 O, and K 2 O is (0.27-0.41): 1; and wherein the lithium-zirconium-based aluminosilicate glass does not comprise CaO.
2 . The lithium-zirconium-based aluminosilicate glass of claim 1 , wherein the total mass percentage of Li 2 O, Na 2 O, and K 2 O is no less than 12%, the total mass percentage of ZrO 2 and Al 2 O 3 is greater than 19.5%, and the ratio of the mass of Li 2 O to the total mass of Li 2 O, Na 2 O, and K 2 O is (0.29~0.38):1.
3 . The lithium-zirconium-based aluminosilicate glass of claim 1 , wherein ZrO 2 has a mass percentage of 1%-4%, and Al 2 O 3 has a mass percentage of 13%-25%.
4 . The lithium-zirconium-based aluminosilicate glass of claim 3 , wherein ZrO 2 has the mass percentage of 3%-4%, and Al 2 O 3 has the mass percentage of 16%-22%.
5 . The lithium-zirconium-based aluminosilicate glass of claim 1 , wherein Li 2 O has a mass percentage of 3%-7%, Na 2 O has a mass percentage of 6%-12%, and K 2 O has a mass percentage of 0-3%.
6 . The lithium-zirconium-based aluminosilicate glass of claim 5 , wherein Li 2 O has the mass percentage of 4%~6%, Na 2 O has the mass percentage of 8%-10%, and K 2 O has the mass percentage of 0-~2%.
7 . The lithium-zirconium-based aluminosilicate glass of claim 1 , wherein the lithium-zirconium-based aluminosilicate glass comprises by mass percentage: 55%-67% of SiO 2 , 13%-25% of Al 2 O 3 , 0.5%-4% of B 2 O 3 , 3%-7% of Li 2 O, 6%-12% of Na 2 O, 1%-4% of ZrO 2 , and 0-3% of K 2 O, wherein a total mass percentage of ZrO 2 and Al 2 O 3 is greater than 16%, and the ratio of the mass of Li 2 O to the total mass of Li 2 O, Na 2 O, and K 2 O is (0.27-0.41):1.
8 . The lithium-zirconium-based aluminosilicate glass of claim 7 , wherein the lithium-zirconium-based aluminosilicate glass comprises by mass percentage: 58%-64% of SiO 2 , 16%-22% of Al 2 O 3 , 1%-2% of B 2 O 3 , 4%-6% of Li 2 O, 8%-10% of Na 2 O, 3%-4% of ZrO 2 , and 0-2% of K 2 O, wherein the total mass percentage of Li 2 O, Na 2 O, and K 2 O is no less than 12%, the total mass percentage of ZrO 2 and Al 2 O 3 is greater than 19.5%, and the ratio of the mass of Li 2 O to the total mass of Li 2 O, Na 2 O, and K 2 O is (0.29-0.38):1.
9 . The lithium-zirconium-based aluminosilicate glass of claim 1 , wherein a molar amount of Li 2 O is higher than molar amount of Na 2 O.
10 . The lithium-zirconium-based aluminosilicate glass of claim 1 , wherein the lithium-zirconium-based aluminosilicate glass further comprises MgO with a mass percentage of no greater than 2%.
11 . The lithium-zirconium-based aluminosilicate glass of claim 1 , wherein the lithium-zirconium-based aluminosilicate glass further comprises at least one of MgO with a mass percentage of no greater than 4%, ZnO with a mass percentage of no greater than 2%, TiO 2 with a mass percentage of no greater than 1%, SnO 2 with a mass percentage of no greater than 0.5%, and CeO 2 with a mass percentage of no greater than 0.5%.
12 . The lithium-zirconium-based aluminosilicate glass of claim 1 , wherein the lithium-zirconium-based aluminosilicate glass has a coefficient of thermal expansion of 84.5×10 −7 to 94.9×10 −7 at 20° C. to 300° C., a melting temperature T 2 of 1543° C. to 1638° C., and a glass transition temperature Tg of 497° C. to 586° C.
13 . A reinforced glass obtained from the lithium-zirconium-based aluminosilicate glass of claim 1 by chemical reinforcement.
14 . The reinforced glass of claim 13 , wherein the reinforced glass has a bending strength greater than 700 MPa, and a falling ball energy withstanding exceeding 0.4 J.
15 . The lithium-zirconium-based aluminosilicate glass of claim 13 , having a depth of a stress layer greater than 130 μm.
16 . A display device comprising the lithium-zirconium-based aluminosilicate glass of claim 1 .
17 . A lithium-zirconium-based aluminosilicate glass comprising the following components by mass percentage:
50%-72% of SiO 2 ;
10%-27% of Al 2 O 3 ;
0.1%-10.0% of B 2 O 3 ;
2%-10% of Li 2 O;
4%-15% of Na 2 O;
0.1%-5.0% of ZrO 2 ; and
0-4% of K 2 O; and
wherein a total mass percentage of Li 2 O, Na 2 O, and K 2 O is no less than 9%, a ratio of a mass of Li 2 O to a total mass of Li 2 O, Na 2 O, and K 2 O is (0.27-0.41): 1, and the lithium-zirconium-based aluminosilicate glass omits CaO.