# US 10,765,897 B2 · Fire protection material, high-pressure storage tank coated with said material, methods for preparing same, and uses thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,765,897 B2 - Document ID: US10765897B2 - Status: Granted - Kind: B2 - Application number: 14/381,515 - Filed: 2013-02-28 - Published: 2015-01-08 - Granted: 2020-09-08 - Earliest claimed: 2012-02-28 - Assignees: Commissariat A L'energie Atomique Et Aux Energies Alternatives - Applicants: Commissariat A L'energie Atomique Et Aux Energies Alternatives - Inventors: Stephane Villalonga; Fabien Nony; Jean-Luc Yvernes; Francois Garonne - Web page: https://patentgrep.com/patent/US10765897B2 ## CPC - A62C 3/065: {for containers filled with inflammable liquids} - B05D 5/00: Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures - C09K 21/00: Fireproofing materials (for use in a particular application, see the relevant places, e.g. fireproofing of wood B27K, of polymers C08, of textiles D06M, of paper D21H; fireproof paints C09D5/18) - C09K 21/14: Macromolecular materials - F17C 1/12: with provision for thermal insulation ({F17C1/14, F17C1/16 take precedence}; thermal insulation in general F16L59/00) - B05D 2254/02: Applying the material on the exterior of the tube - B05D 2301/10: Phosphates, phosphoric acid or organic salts thereof - Y02E 60/32: Hydrogen storage - A62C: FIRE-FIGHTING (fire-extinguishing compositions, use of chemical substances in extinguishing fires A62D1/00; spraying, applying liquids or other fluent materials to surfaces in general B05; alarm arrangements G08B, e.g. fire alarms actuated by smoke or gases G08B17/10) - B05D: PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (conveying articles or workpieces through baths of liquid B65G, e.g. B65G49/02) - C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE - F17C: VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES (storing fluids in natural or artificial cavities or chambers in the earth B65G5/00; construction or assembling of bulk storage containers employing civil-engineering techniques E04H7/00; variable-capacity gas-holders F17B; liquefaction or refrigeration machines, plants, or systems F25) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract The present invention relates to a fire resistant material comprising a matrix of thermosetting elastomeric resin of the silicone resin type wherein endothermic fillers are incorporated as well as to a high pressure storage tank coated with said material, processes for the preparation thereof and uses thereof. ## Claims ### Claim 1 A process for preparing a fire-proof material for a high pressure storage tank, the fire-proof material including a matrix of thermosetting elastomeric resin in which endothermic fillers are incorporated, the matrix of thermosetting elastomeric resin being a matrix of silicone resin, comprising the following steps: a) preparing, at room temperature, a mixture including at least one precursor of the thermosetting elastomeric resin and at least one endothermic filler by gradually adding the at least one endothermic filler to the at least one precursor of the thermosetting elastomeric resin whereby a homogeneous dispersion is obtained; b) adding, to the mixture obtained in step a), an agent enabling the thermosetting elastomeric resin to be obtained from the at least one precursor, wherein the adding of the agent is performed at room temperature; and c) cold shaping the mixture obtained in step b) by casting, injection, or vacuum assisted transfer, into a mold on the high pressure storage tank to obtain the fire-proof material including the matrix of thermosetting elastomeric resin in which the endothermic fillers are incorporated. ### Claim 2 (depends on 1) A high pressure storage tank having an external surface only partially covered with the fire-proof material prepared by the process according to claim 1, wherein the high pressure storage tank is a type IV tank, and wherein at least one portion of the external surface of the high pressure storage tank not covered by the fire-proof material is either uncovered by any material or coated with a meltable material. ### Claim 3 (depends on 2) The high pressure storage tank according to claim 2, wherein the external surface of said high pressure storage tank is at least partially covered with an intumescent substance. ### Claim 4 (depends on 3) The high pressure storage tank according to claim 3, wherein at least one zone of the intumescent substance is replaced by a meltable material. ### Claim 5 (depends on 2) The high pressure storage tank according to claim 2, wherein the external surface of said high pressure storage tank is at least partially covered with a fire inert insulating material, the fire inert insulating material being in the form of a fabric or sock configured to cover said high pressure storage tank. ### Claim 6 (depends on 5) The high pressure storage tank according to claim 5, wherein said fire inert insulating material is covered with an intumescent substance. ### Claim 7 (depends on 1) A process for protecting a high pressure storage tank, comprising: applying the fire-proof material according to claim 1 on only a portion of the external surface of the high pressure storage tank, wherein the high pressure storage tank is a type IV tank. ### Claim 8 (depends on 7) The process according to claim 7, further comprising: applying an intumescent substance on all or part of the external surface of the high pressure storage tank, only the portion of the external surface of which is covered by the fire-proof material. ### Claim 9 (depends on 8) The process according to claim 8, further comprising: replacing at least one zone of the fire-proof material with a meltable material. ### Claim 10 (depends on 9) The process according to claim 9, further comprising: coating the high pressure storage tank, only the portion of the external surface of which is covered with the fire-proof material, with a fire inert insulating material. ### Claim 11 (depends on 10) The process according to claim 10, further comprising: applying an adequate adhesion primary coat or surface treatment on all or part of the external surface of the high pressure storage tank, or the fire inert insulating material. ### Claim 12 (depends on 10) The process according to claim 10, wherein all or part of the external surface of the high pressure storage tank is covered with a meltable material. ### Claim 13 (depends on 12) The process according to claim 12, further comprising: applying an adequate adhesion primary coat or surface treatment on all or part of the external surface of the high pressure storage tank, the meltable material, or the fire inert insulating material. ### Claim 14 (depends on 9) The process according to claim 9, further comprising: applying an adequate adhesion primary coat or surface treatment on all or part of the external surface of the high pressure storage tank, or the meltable material. ### Claim 15 (depends on 9) The process according to claim 9, further comprising: covering the fire-proof material with an intumescent substance. ### Claim 16 (depends on 8) The process according to claim 8, further comprising: applying an adequate adhesion primary coat or surface treatment on all or part of the external surface of the high pressure storage tank. ### Claim 17 (depends on 7) The process according to claim 7, further comprising: replacing at least one zone of the fire-proof material with a meltable material. ### Claim 18 (depends on 17) The process according to claim 17, further comprising: applying an adequate adhesion primary coat or surface treatment on all or part of the external surface of the high pressure storage tank, or the meltable material. ### Claim 19 (depends on 17) The process according to claim 17, further comprising: covering the fire-proof material with an intumescent substance. ### Claim 20 (depends on 7) The process according to claim 7, further comprising: coating the high pressure storage tank, only the portion of the external surface of which is covered with the fire-proof material, with a fire inert insulating material. ### Claim 21 (depends on 20) The process according to claim 20, further comprising: applying an adequate adhesion primary coat or surface treatment on all or part of the external surface of the high pressure storage tank, or the fire inert insulating material. ### Claim 22 (depends on 20) The process according to claim 20, wherein all or part of the external surface of the high pressure storage tank is covered with a meltable material. ### Claim 23 (depends on 22) The process according to claim 22, further comprising: applying an adequate adhesion primary coat or surface treatment on all or part of the external surface of the high pressure storage tank, the meltable material, or the fire inert insulating material. ### Claim 24 (depends on 7) The process according to claim 7, further comprising: applying an adequate adhesion primary coat or surface treatment on all or part of the external surface of the high pressure storage tank. ### Claim 25 (depends on 1) The process according to claim 1, further comprising: before step b), outgassing the mixture obtained in step a) to obtain an outgassed mixture, wherein the agent enabling the thermosetting elastomeric resin to be obtained is added to the outgassed mixture. ### Claim 26 (depends on 25) The process according to claim 25, further comprising: before step c), outgassing the mixture obtained in step b) to obtain an outgassed thermosetting elastomeric resin mixture, wherein the cold shaping is performed on the outgassed thermosetting elastomeric resin mixture. ### Claim 27 (depends on 26) The process according to claim 26, wherein an amount of the endothermic fillers expressed in weight with respect to a total weight of material of the thermosetting elastomeric resin is between 15% and 80%. ### Claim 28 (depends on 27) The process according to claim 27, wherein the amount of said endothermic fillers expressed in weight with respect to the total weight of material of the thermosetting elastomeric resin is between 40% and 70%. ### Claim 29 (depends on 1) The process according to claim 1, wherein the endothermic fillers are selected from aluminum trihydroxide (ATH), disodium tetraborate decahydrate (or borax), trisodium phosphate dodecahydrate, magnesium dihydroxide (or Brucite), Colemanite, a melamine monophosphate, a melamine pyrophosphate, a melamine polyphosphate zinc borate, hydromagnesite, a tripolyphosphate (TPP), resorcinol bis(diphenyl phosphate) CRDP), bisphenol-A bis(diphenyl phosphate) (BPADP), and mixtures thereof. ### Claim 30 (depends on 1) The process according to claim 1, wherein an amount of the endothermic fillers expressed in weight with respect to a total weight of material of the thermosetting elastomeric resin is between 10% and 90%. ### Claim 31 (depends on 1) The process according to claim 1, further comprising: outgassing the mixture obtained in step c) to obtained an outgassed mixture, wherein the cold shaping is performed on the outgassed mixture.