CPC B32B 17/10091 (2013.01) [B32B 17/10036 (2013.01); B32B 17/10119 (2013.01); B32B 17/10137 (2013.01); B32B 17/10761 (2013.01); B32B 2605/006 (2013.01); Y10T 428/24967 (2015.01)] | 17 Claims |
1. A laminated glass article, comprising:
a non-chemically strengthened external glass sheet comprising a thickness of 2.5 mm or more, the external glass sheet providing an open convex surface of the laminated glass article;
a chemically strengthened internal glass sheet comprising an alkali aluminosilicate glass, a thickness in a range from about 0.5 mm to about 1.5 mm, and a total alkaline earth metal oxide content of at least 5 wt. %, the internal glass sheet providing an open concave surface of the laminated glass article; and
at least one polymer interlayer between the external and internal glass sheets, wherein both the non-chemically strengthened external glass sheet and the chemically strengthened internal glass sheet comprise distinct radii of curvature in two independent directions.
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