Mirror and method of manufacturing same

Details Mirror and method of manufacturing same Mirror and method of manufacturing same

B - Operations, Transporting

05

D

88/113, 117/125,

B05D 5/06 (2006.01) C03C 17/38 (2006.01) G02B 1/10 (2006.01)

Patent

CA 2008346

12 Abstract Mirror and method of manufacturing same A mirror comprises a transparent glass sheet having a reflective metal coating deposited on the glass and a protective coating applied to the reflective coating. The protective coating comprises a paint having a residual internal stress SR equal to or less than 1 MPa, measured by the Cantilever method (as defined) at a temperature above its glass transition temperature. One suitable paint used in coating the mirror has the following composition: 50% pigments: 10% titanium dioxide 45% barium sulphate 25% talc 15% lead pigment 05% colouring pigment and carbon black 15% binder 100% epoxy resin ester with 45% castor oil 35% solvents 05% butanol and isobutanol 95% xylene. The glass transition temperature of the paint is approximately 10°C, the residual internal stress at 20°C is approximately 0.05MPa and the Persoz hardness is approximately 120.

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