Fire resistant interlayer
AssigneeSaint-Gobain Glass France
InventorsLucie Bussetti, David Te Strake, Jerome Korus
Life of this patent
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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).
Claims19
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, in particular larger than 2.5, in particular larger than 4,
- wherein the composition comprises a stabilisation agent
- wherein
- the stabilisation agent comprises zinc (Zn).
An aqueous alkali silicate solution for preparation of a fire resistant interlayer, wherein the aqueous alkali silicate solution comprises a stabilisation agent,
- wherein the stabilisation agent comprises zinc.
A method for manufacturing a fire resistant interlayer, comprising the steps of
- providing an aqueous alkali silicate solution;
- and
- providing a silicon dioxide;
- adding a stabilisation agent, the stabilisation agent comprises zinc;
- curing the composition to form the fire resistant interlayer.
Use of zinc as stabilisation agent in 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.
Use of zinc as stabilisation agent in an aqueous alkali silicate solution.
Use of zinc as stabilisation agent in at least one of a fire resistant interlayer and a fire resistant element;
- wherein the fire resistant interlayer is arrangeable between at least two support elements, and
- wherein the fire resistant interlayer is made using a composition 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 fire resistant element comprises at least two support elements and a transparent fire resistant interlayer made using a composition 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 fire resistant interlayer is arranged between two essentially parallel support elements.
Dependencies are inferred from the claim text.