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US 11,912,624 B2Granted
Fire resistant interlayer
AssigneeSaint-Gobain Glass France
InventorsLucie Bussetti, David Te Strake, Jerome Korus
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Abstract
The composition for preparation of a fire resistant interlayer includes an aqueous alkali silicate solution and a silicon dioxide compound. The composition has a molar ratio of silicon dioxide (SiO2) to alkali metal oxide (M2O) of larger than 2. The composition further includes a stabilisation agent and the stabilisation agent includes zinc (Zn).
Claims15
A composition for preparation of a fire resistant interlayer comprising
- an aqueous alkali silicate solution and
- a silicon dioxide compound,
- wherein the composition has a molar ratio of silicon dioxide (SiO2) to alkali metal oxide (M2O) of larger than 2,
- wherein the composition comprises a stabilisation agent
- wherein
- the stabilisation agent comprises zinc (Zn),
- whereby the composition comprises 0.0005 mol/kc to 0.003 mol/kc zinc.
4 more elements
Dependencies are inferred from the claim text.