Title:
GLASS COMPOSITION FOR CHEMICAL STRENGTHENING
Document Type and Number:
WIPO Patent Application WO/2012/066989
Kind Code:
A1
Abstract:
[Problem] To provide a glass composition which has excellent heat resistance and excellent ion exchange ability and is capable of providing high strength through a chemical strengthening treatment by means of ion exchange.
[Solution] A glass composition of the present invention contains, in mass%, 53-62% of SiO2, 11-17% of Al2O3, 0-5% of Li2O, 10-15% of Na2O, 3-9% of K2O, 0-4% of MgO, 0-4% of CaO, 0-6% of SrO, 0-5% of BaO, 1-4% of ZrO2 and 2-6% of TiO2.
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Inventors:
MURAMOTO TADASHI
Application Number:
PCT/JP2011/075776
Publication Date:
May 24, 2012
Filing Date:
November 09, 2011
Export Citation:
Assignee:
CENTRAL GLASS CO LTD (JP)
MURAMOTO TADASHI
MURAMOTO TADASHI
International Classes:
C03C3/085; C03C3/083; C03C3/087; C03C21/00; G02F1/1333
Foreign References:
| JP2010116276A | 2010-05-27 | |||
| JP2008195602A | 2008-08-28 |
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
Hiromichi Kobayashi (JP)
Hiromichi Kobayashi (JP)
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Claims: