发明名称 Float glass composition adapted for chemical strengthening
摘要 Float glass compositions adapted for chemical strengthening, and methods of making the same. Certain example embodiments of this invention relate to such a glass composition having improved ion-exchanged, surface durability, and/or mechanical properties for use in applications where higher strength and improved durability of the glass are desired.
申请公布号 US9630873(B2) 申请公布日期 2017.04.25
申请号 US201514658885 申请日期 2015.03.16
申请人 Guardian Industries Corp. 发明人 Fulton Kevin R.;McMenamin Kirk;Cerny Glenn A.;Wang Zhaoyu;Olson Samuel
分类号 C03C3/087;C03C21/00 主分类号 C03C3/087
代理机构 Nixon & Vanderhye P.C. 代理人 Nixon & Vanderhye P.C.
主权项 1. Float glass comprising: a float glass composition that includes:Ingredient(wt. %)SiO2  67-69.5%A12O32.5-4.5%(SiO2 + A12O3)<73%Na2O16.6-20%  K2O0.5-2.0%CaO4.0-7.0%MgO2.5-3.5%CaO + MgO 6.5-10.5% wherein the float glass is chemically strengthened and has a depth of layer, which is depth of a compressive stress layer in the glass resulting from the chemical strengthening, with a 4 hour chemical strengthening process at 435 degrees C. being used as a reference, of at least 25 μm.
地址 Auburn Hills MI US