Multi-layer fire barrier systems

• US 20050031843A1
• Filed: 06/02/2004
• Published: 02/10/2005
• Est. Priority Date: 09/20/2000
• Status: Abandoned Application

• Current Assignee: Goodrich Corporation (Raytheon Technologies Corporation d/b/a RTX)
• Original Assignee: Goodrich Corporation (Raytheon Technologies Corporation d/b/a RTX)
• Inventors: Mazany, Anthony M., Robinson, John W., Cartwright, Craig L.
• Application Number:
  US10/858,624
• Publication Number:
  US 20050031843A1
• Time in Patent Office: Days
• US Class Current: 428/293.400
• CPC Class Codes: B32B 2307/3065 Flame resistant or retardant, fire resistant or retardant
• CPC Class Codes: B32B 33/00 Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
• CPC Class Codes: C04B 14/10 Clay sepiolite C04B14/042; grog C04B18/025
• CPC Class Codes: C04B 14/104 Bentonite, e.g. montmorillonite
• CPC Class Codes: C04B 14/106 Kaolin
• CPC Class Codes: C04B 14/202 Vermiculite
• CPC Class Codes: C04B 14/22 Glass ; Devitrified glass
• CPC Class Codes: C04B 14/30 Oxides other than silica ferrites C04B14/363
• CPC Class Codes: C04B 14/386 Carbon carbon nanotubes C04B14/026
• CPC Class Codes: C04B 14/42 Glass
• CPC Class Codes: C04B 14/46 Rock wool ; Ceramic or silicate fibres C04B14/40, C04B14/42 take precedence
• CPC Class Codes: C04B 14/48 Metal
• CPC Class Codes: C04B 20/002 Hollow or porous granular materials
• CPC Class Codes: C04B 20/0048 Fibrous materials
• CPC Class Codes: C04B 2103/0099 Aspecific ingredients, i.e. high number of alternative specific compounds mentioned for the same function or property
• CPC Class Codes: C04B 2111/00491 Primers
• CPC Class Codes: C04B 2111/00568 Multiple coating with same or similar material
• CPC Class Codes: C04B 2111/00612 as one or more layers of a layered structure
• CPC Class Codes: C04B 2111/28 Fire resistance, i.e. materials resistant to accidental fires or high temperatures
• CPC Class Codes: C04B 2111/285 Intumescent materials
• CPC Class Codes: C04B 22/0013 : Boron compounds
• CPC Class Codes: C04B 22/08 : Acids or salts thereof C04B22/0013 takes precedence
• CPC Class Codes: C04B 22/14 : containing sulfur in the anion, e.g. sulfides
• CPC Class Codes: C04B 22/165 : Acids
• CPC Class Codes: C04B 28/008 : Mineral polymers other than those of the Davidovits type, e.g. from a reaction mixture containing waterglass
• CPC Class Codes: C04B 28/26 : Silicates of the alkali metals
• CPC Class Codes: C04B 32/02 : with reinforcements contains no documents; reinforcing elements E04C5/00
• CPC Class Codes: C04B 40/0089 : making use of vacuum or reduced pressure
• CPC Class Codes: C04B 40/0259 : Hardening promoted by a rise in pressure C04B40/024 takes precedence
• CPC Class Codes: C04B 40/0263 : Hardening promoted by a rise in temperature C04B40/024 takes precedence
• CPC Class Codes: C04B 40/0272 : Hardening under vacuum or reduced pressure
• CPC Class Codes: C04B 41/45 : Coating or impregnating paints C09D, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements ion-implantation C04B41/0027
• CPC Class Codes: E04B 1/944 : covered with fire-proofing material
• CPC Class Codes: Y02P 40/10 : Production of cement, e.g. improving or optimising the production methods; Cement grinding
• CPC Class Codes: Y10T 428/249928 : Fiber embedded in a ceramic, glass, or carbon matrix

Abstract

A fire-barrier system comprises at least one alkali silicate resin composition layer and at least one layer of any of the following: an insulation layer, an intumescent layer, a foam layer, a corrugated layer, a reflective surface layer, and a reinforcing material layer. The fire-barrier system when utilize in association with a substrate such as wood, a polymer, etc. provides enhanced fire resistance performance, thermal barrier, an oxidation barrier, and the like.

Claims

1. A multi-layer fire-barrier system, comprising:

at least one layer of an alkali silicate resin composition comprising;

an inorganic resin composition comprising the reaction product of an alkali silicate and/or alkali silicate precursors, water, and optionally a clay and/or oxide filler;

or

an inorganic resin composition comprising the reaction product of an alkali silicate and/or alkali silicate precursors, one or more acidic oxoanionic compounds, water, optionally one or more compounds containing multivalent cation(s) comprising Groups, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, or 16 of the periodic table or any combination thereof, and optionally a clay and/or oxide filler;

or

an inorganic resin composition comprising the reaction product of an alkali silicate and/or alkali silicate precursors, a reaction glass, water, optionally one or more acidic oxoanionic compounds, and optionally a clay and/or oxide filler; and

at least one layer of any of an optional material comprising an insulation material, an intumescent material, a foam material, a reflective material, a reinforcing material, a corrugated material, any of the above materials containing a gas space therein, or any combination thereof.

2. A multi-layer fire-barrier system according to claim 1, wherein said alkali silicate resin layer contains a reinforcing material therein, and wherein said reinforcing material comprises at least one fiber, a sheet, a screen, or a mesh, or combinations thereof.

3. A multi-layer fire-barrier system according to claim 2, wherein said resin composition includes non-clay filler materials comprising fibers, spheres, and particles, and wherein said spheres comprise microspheres, macrospheres, or hollow spheres, and solid spheres comprising glass, ceramic, metal, mineral, organic, or inorganic materials

4. A multi-layer fire-barrier system according to claim 2, wherein reinforcing fiber comprises a nickel fiber, glass fiber, carbon fiber, graphite fiber, mineral fiber, oxidized carbon fiber, oxidized graphite fiber, oxidized polyacrylonitrile, fiber, steel fiber, metallic fiber, metal-coated carbon fiber, metal-coated glass fiber, metal-coated graphite fiber, metal-coated ceramic fiber, nickel-coated graphite fiber, nickel-coated carbon fiber, nickel-coated glass fiber, quartz fiber, ceramic fiber, silicon carbide fiber, stainless steel fiber, titanium fiber, nickel alloy fiber, brass-coated steel fiber, polymeric fiber, polymer-coated carbon fibers, polymer-coated graphite fiber, polymer-coated glass fiber, ceramic-coated carbon fiber, ceramic-coated graphite fiber, ceramic-coated glass fiber, aramid fiber, basalt fiber, alkaline resistant glass fiber, an E-glass fiber, S-glass fiber, basalt fiber, polyethylene fiber, SiC fiber, or BN fiber, or combinations thereof.

5. A multi-layer fire-barrier system according to claim 2, wherein said reinforcing fibers comprise a graphite fiber, E-glass fiber, S-glass fiber, basalt fiber, stainless steel fiber, titanium fiber, nickel alloy fiber, aramid fiber, oxidized polyacrylonitrile fiber, polyethylene fiber, SiC fiber, or BN fiber, and combinations thereof.

6. A multi-layer fire-barrier system according to claim 4, wherein said alkali silicate comprises a potassium silicate solution, a sodium silicate solution, crystalline sodium silicate, crystalline potassium silicate, amorphous sodium silicate, or amorphous potassium silicate, lithium silicate, and mixtures thereof,

wherein said reactive glass comprises a compound of the formula

a(A′

₂O)_xb(G_fO)_yc(A″

O)_z

where A′

represents at least one alkali metal glass modifiers, which functions as a fluxing agent, G_f represents at least one glass formers, A″

represents, optionally, at least one glass network modifier, a represents the number of agents present and ranges from 1 to about 5, b represents the number of glass formers present and ranges from 1 to about 10, c represents the number of glass network modifiers and ranges from 0 to about 30, x represents the mole fraction of fluxing agent and is between about 0.050 and about 0.150, y represents the mole fraction of glass former and is between about 0.200 and about 0.950, z represents the mole fraction of glass network modifiers and is between 0.000 or about 0.001 and about 0.500, x+y+z=1, and x<

y, wherein A′

comprises lithium, sodium, potassium, rubidium, or cesium, wherein Gf comprises boron, silicon, phosphorus, sulfur, germanium, arsenic, antimony, aluminum or vanadium, and wherein A″

O is at least one metallic glass modifier and comprises vanadium oxide, titanium oxide, zinc oxide, lead oxide, aluminum oxide, zirconium oxide, lanthanum oxide, cerium oxide, neodymium oxide, magnesium oxide, calcium oxide, strontium oxide, barium oxide, or silicon oxide, or combinations thereof; and

wherein said acidic oxoanionic compound comprises boric acid, phosphoric acid, sulfuric acid, sodium dihydrogen phosphate, disodium hydrogen phosphate, dipotassium hydrogen phosphate, potassium dihydrogen phosphate, ammonium hydrogen phosphate, ammonium dihydrogen phosphate, metallic and/or nonmetallic phosphate salts or compounds incorporating borate, sulfate, alumiriate, vanadate, or germanate, or combinations thereof.

7. A multi-layer fire-barrier system according to claim 6, wherein said filler comprises at least one oxide comprising an oxide of boron, aluminum, silicon, zinc, gallium, titanium, zirconium, manganese, iron, molybdenum, tungsten, bismuth, lead, lanthanum, cerium, neodymium, yttrium, calcium, magnesium, or barium and is present in an amount of between 0.0 wt. % or about 0.01 wt. % and about 20 wt. % based upon the total composition weight, and wherein said clay filler comprises kaolin, calcined kaolin, mica, vermiculite and/or metakaolin and is present in an amount of between 0.0 wt. % or about 0.1 wt. % and about 20 wt. % based upon the total composition weight, and

wherein said cation is an alkaline earth or zinc cation.

8. A multi-layer fire-barrier system according to claim 6, wherein said resin composition comprises a reaction product of the following:

about 30 to about 85 wt. % of at least said alkali silicate;

about 0.01 to about 60 wt. % of at least said reactive glass;

about 0 or 0.01 to about 20 wt. % of at least said acidic oxoanionic compound;

0 or about 0.1 wt. % to about 20 wt. % of at least said clay filler;

0 or about 0.01 wt. % to about 20 wt. % of at least said oxide; and

about 15 to about 60 wt. % of said water.

9. A multi-layer barrier system according to claim 6, wherein said resin composition comprises a reaction product of the following:

about 30 to about 85 wt. % of at least said alkali silicate;

about 0.01 to about 20 wt. % of at least said multivalent cation(s) of Groups 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 or 16 of the periodic table;

about 0.01 to about 20 wt. % of at least said acidic oxoanionic-compound;

0 or about 0.1 wt. % to about 20 wt. % of at least said clay filler;

0 or about 0.01 wt. % to about 20 wt. % of at least said oxide; and

about 15 to about 60 wt. % of said water.

10. A multi-layer fire-barrier system according to claim 8, wherein said resin composition is formed by curing the resin at a temperature ranging from about 15°

C. to 1000°

C., an external pressure from ambient to about 20,000 psi, and optionally under a vacuum of from about ambient to about 10<sup>−

3</sup> torr.

11. A multi-layer fire-barrier system according to claim 2, including at least one layer of said alkali silicate resin composition, and including said at least one insulation layer.

12. A multi-layer fire-barrier system according to claim 4, including at least one layer of said alkali silicate resin composition, and including said at least one insulation layer;

and wherein said insulation comprises a silicate compound;

alumina compound;

alumina silicate compound;

ceramic;

metal oxide containing silica, silicate, alumina, or aluminate;

or refractory material;

or combinations thereof.

13. A multi-layer fire-barrier system according to claim 6, including at least one layer of said alkali silicate resin composition, and including said at least one insulation layer;

and wherein said insulation comprises a silicate compound;

alumina compound;

alumina silicate compound;

ceramic;

metal oxide containing silica, silicate, alumina, or aluminate;

or refractory material;

or combinations thereof.

14. A multi-layer fire-barrier system according to claim 8, including at least one layer of said alkali silicate resin composition, and including said at least one insulation layer;

and wherein said insulation comprises a silicate compound;

alumina compound;

alumina silicate compound;

ceramic;

metal oxide containing silica, silicate, alumina, or aluminate;

or refractory material;

or P1 combinations thereof.

15. A multi-layer fire-barrier system according to claim 11, including at least one intumescent layer.

16. A multi-layer fire-barrier system according to claim 12, including at least one intumescent layer.

17. A multi-layer fire-barrier system according to claim 13, including at least one intumescent layer, wherein said intumescent layer comprises exfoliated graphite, alkali silicate, alkaline earth silicate, vermiculite, or combinations thereof.

18. A multi-layer fire-barrier system according to claim 14, including at least one intumescent layer, wherein said intumescent layer comprises exfoliated graphite, alkali silicate, alkaline earth silicate, vermiculite, or combinations thereof.

19. A multi-layer fire-barrier system according to claim 2, including said at least one layer of said alkali silicate resin composition, and including said at least one intumescent layer.

20. A multi-layer fire-barrier system according to claim 5, including said at least one layer of said alkali silicate resin composition, and including said at least one intumescent layer.

21. A multi-layer fire-barrier system according to claim 6, including said at least one layer of said alkali silicate resin composition, and including said at least one intumescent layer, wherein said intumescent layer comprises exfoliated graphite, alkali silicate, alkaline earth silicate, vermiculite, or combinations thereof.

22. A multi-layer fire-barrier system according to claim 8, including said at least one layer of said alkali silicate resin composition, and including said at least one intumescent layer, wherein said intumescent layer comprises exfoliated graphite, alkali silicate, alkaline earth silicate, vermiculite, or combinations thereof.

23. A multi-layer fire-barrier system according to claim 19, wherein said system is a fire door comprising at least one exterior wood layer.

24. A multi-layer fire-barrier system according to claim 20, wherein said system is a fire door comprising at least one exterior wood layer, and wherein said system comprises at least said one intumescent layer and at least two said alkali silicate resin layers.

25. A multi-layer fire-barrier system according to claim 21, wherein said system is a fire door comprising at least one exterior wood layer, and wherein said system comprises at least two said intumescent layers and at least three said alkali silicate resin layers, and wherein at least one said alkali silicate resin layer contains a steel reinforcing mat.

26. A multi-layer fire-barrier system according to claim 22, wherein said system is a fire door comprising at least one exterior wood layer, and wherein said system comprises at least two said intumescent layers and at least three said alkali silicate resin layers, and wherein at least one said alkali silicate resin layer contains a steel reinforcing mat.

27. A multi-layer fire-barrier system according to claim 2, including at least one said reinforcing layer.

28. A multi-layer fire-barrier system according to claim 5, including at least two said reinforcing layers, said alkali silicate resin layer located between said two reinforcing layers.

29. A multi-layer fire-barrier system according to claim 6, including at least two said reinforcing layers, said alkali silicate resin layer located between said two reinforcing layers, and wherein said reinforcing layer is glass, glass fiber, graphite fiber, basalt fiber, stainless steel fiber, titanium fiber, nickel alloy fiber, aramid fiber, polyethylene fiber, oxidized polyacrylonitrile fiber, SiC fiber or BN fiber, or combinations thereof.

30. A multi-layer fire-barrier system according to claim 8, including at least two said reinforcing layers, said alkali silicate resin layer located between said two reinforcing layers, wherein said reinforcing layer is glass, glass fiber, graphite fiber, basalt fiber, stainless steel fiber, titanium fiber, nickel alloy fiber, aramid fiber, polyethylene fiber, oxidized polyacrylonitrile fiber, SiC fiber or BN fiber, or combinations thereof.

41. A multi-layer fire-barrier system according to claim 1, comprising at least two layers secured together by at least one fastener.

42. A multi-layer fire-barrier system according to claim 41, wherein said fastener comprises a bolt, staple, rivet, wire, adhesive, magnet, edge channel, screw, or nail, or combinations thereof.

31. A multi-layer fire-barrier system, comprising;

at least two layers of an alkali silicate resin composition comprising the reaction product of an alkali silicate and/or alkali silicate precursors, one or more acidic oxoanionic compounds, water, optionally one or more compounds containing multivalent cation(s) selected from Groups 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 or 16 of the periodic table, and optionally a clay and/or oxide filler; and

combinations thereof;

at least one said alkali silicate resin layer containing a reinforcement compound therein; and

at least one layer of any of an optionally material comprising an insulating material, an intumescent material, a foam material, a reflective material, a reinforcing material, a corrugated material, any of the above materials containing a gas space therein, or any combination thereof.

32. A multi-layer fire-barrier system according to claim 31, wherein said reinforcing compound of said alkali silicate material is a fiber, or a plurality of different types of fibers, a sheet, a screen, or a mesh, or combinations thereof.

33. A multi-layer fire-barrier system according to claim 32, wherein reinforcing fiber comprises a nickel fiber, glass fiber, carbon fiber, graphite fiber, mineral fiber, oxidized carbon fiber, oxidized graphite fiber, oxidized polyacrylonitrile fiber, steel fiber, metallic fiber, metal-coated carbon fiber, metal-coated glass fiber, metal-coated graphite fiber, metal-coated ceramic fiber, nickel-coated graphite fiber, nickel-coated carbon fiber, nickel-coated glass fiber, quartz fiber, ceramic fiber, silicon carbide fiber, stainless steel fiber, titanium fiber, nickel alloy fiber, brass-coated steel fiber, polymeric fiber, polymer-coated carbon fibers, polymer-coated graphite fiber, polymer-coated glass fiber, ceramic-coated carbon fiber, ceramic-coated graphite fiber, ceramic-coated glass fiber, aramid fiber, basalt fiber, alkaline resistant glass fiber, an E-glass fiber, S-glass fiber, basalt fiber, polyethylene fiber, SiC fiber, or BN fiber, or combinations thereof.

34. A multi-layer fire-barrier system according to claim 33, wherein said alkali silicate comprises a potassium silicate solution, a sodium silicate solution, crystalline sodium silicate, crystalline potassium silicate, lithium silicate, amorphous sodium silicate, or amorphous potassium silicate, and mixtures thereof,

wherein said reactive glass comprises a compound of the formula

a(A′

₂O)_xb(G_fO)_yc(A′

O)_z

where A′

represents at least one alkali metal glass modifiers, which functions as a fluxing agent, G_f represents at least one glass formers, A″

represents, optionally, at least one glass network modifier, a represents the number of fluxing agents present and ranges from 1 to 5, b represents the number of glass formers present and ranges from 1 to 10, c represents the number of glass network modifiers and ranges from 0 to about 30, x represents the mole fraction of fluxing agent and is between about 0.050 and about 0.150, y represents the mole fraction of glass former and is between about 0.200 and about 0.950, z represents the mole fraction of glass network modifiers and is between about 0.000 and about 0.500, x+y+z=1, and x<

y, wherein A′

comprises lithium, sodium, potassium, rubidium, or cesium, wherein Gf comprises boron, silicon, phosphorus, sulfur, germanium, arsenic, antimony, aluminum or vanadium, and wherein A″

O is at least one metallic glass modifier and comprises vanadium oxide, titanium oxide, zinc oxide, lead oxide, aluminum oxide, zirconium oxide, lanthanum oxide, cerium oxide, neodymium oxide, magnesium oxide, calcium oxide, strontium oxide, barium oxide, or silicon oxide, or combinations thereof; and

wherein said acidic oxoanionic compound comprises boric acid, phosphoric acid, sulfuric acid, sodium dihydrogen phosphate, disodium hydrogen phosphate, dipotassium hydrogen phosphate, potassium dihydrogen phosphate, ammonium hydrogen phosphate, ammonium dihydrogen phosphate, metallic and/or nonmetallic phosphate salts or compounds incorporating borate, sulfate, aluminate, vanadate, or germanate, or combinations thereof.

35. A multi-layer fire-barrier system according to claim 34, wherein said reinforcing fibers comprises a graphite fiber, E-glass fiber, S-glass fiber, basalt fiber, stainless steel fiber, titanium fiber, nickel alloy fiber, aramid fiber, polyethylene fiber, oxidized polyacrylonitrile fiber, SiC fiber, BN fiber, and combinations thereof, and

wherein said cation is an alkaline earth or a zinc cation.

36. A multi-layer fire-barrier system according to claim 35, wherein said resin composition comprises a reaction product of the following:

about 30 to about 85 wt. % of at least said alkali silicate;

about 0.01 to about 60 wt. % of at least said reactive glass;

about 0.01 to about 20 wt. % of at least said acidic oxoanionic compound;

0 or about 0.1 wt. % to about 20 wt. % of at least said clay filler;

0 or about 0.01 wt. % to about 20 wt. % of at least said oxide; and

about 15 to about 60 wt. % of said water.

37. A multi-layer fire-barrier system according to claim 35, wherein said resin composition comprises a reaction product of the following:

about 30 to about 85 wt. % of at least said alkali silicate;

about 0.01 to about 20 wt. % of at least said multivalent cation(s) of Groups 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 or 16 of the periodic table;

about 0.01 to about 20 wt. % of at least said acidic oxoanionic compound;

0 or about 0.1 wt. % to about 20 wt. % of at least said clay filler;

0 or about 0.01 wt. % to about 20 wt. % of at least said oxide; and

about 15 to about 60 wt. % of said water.

38. A multi-layer fire-barrier system according to claim 31, wherein at least two of said alkali silicate resin layers are adjacent to each other;

and

including at least one of said optional layers.

39. A multi-layer fire-barrier system according to claim 34, wherein at least two of said alkali silicate resin layers are adjacent to each other;

and

including at least one of said optional layers.

40. A multi-layer fire-barrier system according to claim 36, wherein at least two of said alkali silicate resin layers are adjacent to each other;

and

including at least two of said optional layers.