CN110746761A - High-strength heat-resistant flame-retardant heat-insulating material - Google Patents
High-strength heat-resistant flame-retardant heat-insulating material Download PDFInfo
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- CN110746761A CN110746761A CN201911181022.1A CN201911181022A CN110746761A CN 110746761 A CN110746761 A CN 110746761A CN 201911181022 A CN201911181022 A CN 201911181022A CN 110746761 A CN110746761 A CN 110746761A
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- resistant
- resistant flame
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000003063 flame retardant Substances 0.000 title claims abstract description 27
- 239000011810 insulating material Substances 0.000 title claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 52
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229920001971 elastomer Polymers 0.000 claims abstract description 27
- -1 poly (arylene ether nitrile Chemical class 0.000 claims abstract description 23
- 238000001179 sorption measurement Methods 0.000 claims abstract description 18
- 229920003257 polycarbosilane Polymers 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000004088 foaming agent Substances 0.000 claims abstract description 13
- 229910052878 cordierite Inorganic materials 0.000 claims abstract description 10
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 10
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 10
- XQZYPMVTSDWCCE-UHFFFAOYSA-N phthalonitrile Chemical compound N#CC1=CC=CC=C1C#N XQZYPMVTSDWCCE-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920006391 phthalonitrile polymer Polymers 0.000 claims abstract description 10
- 229910052596 spinel Inorganic materials 0.000 claims abstract description 10
- 239000011029 spinel Substances 0.000 claims abstract description 10
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 9
- 239000011777 magnesium Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- GKTNLYAAZKKMTQ-UHFFFAOYSA-N n-[bis(dimethylamino)phosphinimyl]-n-methylmethanamine Chemical class CN(C)P(=N)(N(C)C)N(C)C GKTNLYAAZKKMTQ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229920006149 polyester-amide block copolymer Polymers 0.000 claims description 27
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 229920001774 Perfluoroether Polymers 0.000 claims description 16
- 229920006395 saturated elastomer Polymers 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 16
- 238000005187 foaming Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 9
- 239000001569 carbon dioxide Substances 0.000 claims description 9
- 239000012774 insulation material Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 150000008064 anhydrides Chemical class 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000010791 quenching Methods 0.000 claims description 8
- 230000000171 quenching effect Effects 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000001291 vacuum drying Methods 0.000 claims description 8
- CZGWDPMDAIPURF-UHFFFAOYSA-N (4,6-dihydrazinyl-1,3,5-triazin-2-yl)hydrazine Chemical compound NNC1=NC(NN)=NC(NN)=N1 CZGWDPMDAIPURF-UHFFFAOYSA-N 0.000 claims description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 4
- ZSTLPJLUQNQBDQ-UHFFFAOYSA-N azanylidyne(dihydroxy)-$l^{5}-phosphane Chemical compound OP(O)#N ZSTLPJLUQNQBDQ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052788 barium Inorganic materials 0.000 claims description 4
- LSNDGFYQJRXEAR-UHFFFAOYSA-N benzenesulfonamidourea Chemical compound NC(=O)NNS(=O)(=O)C1=CC=CC=C1 LSNDGFYQJRXEAR-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- ZWLIYXJBOIDXLL-UHFFFAOYSA-N decanedihydrazide Chemical compound NNC(=O)CCCCCCCCC(=O)NN ZWLIYXJBOIDXLL-UHFFFAOYSA-N 0.000 claims description 4
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 230000032050 esterification Effects 0.000 claims description 4
- 238000005886 esterification reaction Methods 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 230000002194 synthesizing effect Effects 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 3
- INJRKJPEYSAMPD-UHFFFAOYSA-N aluminum;silicic acid;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O INJRKJPEYSAMPD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052850 kyanite Inorganic materials 0.000 claims description 2
- 239000010443 kyanite Substances 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- VTHOKNTVYKTUPI-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyltetrasulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSSSCCC[Si](OCC)(OCC)OCC VTHOKNTVYKTUPI-UHFFFAOYSA-N 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims 2
- 239000004604 Blowing Agent Substances 0.000 claims 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 239000004642 Polyimide Substances 0.000 abstract description 10
- 229920001721 polyimide Polymers 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 5
- 150000003839 salts Chemical class 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 239000002893 slag Substances 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract 1
- 230000003000 nontoxic effect Effects 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 11
- 238000004132 cross linking Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 238000012660 binary copolymerization Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000006261 foam material Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 229920000090 poly(aryl ether) Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- PKDCQJMRWCHQOH-UHFFFAOYSA-N triethoxysilicon Chemical compound CCO[Si](OCC)OCC PKDCQJMRWCHQOH-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000412 polyarylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000002937 thermal insulation foam Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0028—Use of organic additives containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2371/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08J2371/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/16—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers in which all the silicon atoms are connected by linkages other than oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2485/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon; Derivatives of such polymers
- C08J2485/02—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon; Derivatives of such polymers containing phosphorus
Abstract
The invention discloses a high-strength heat-resistant flame-retardant heat-insulating material which is prepared from the following raw materials: 23-45 parts of poly (arylene ether nitrile), 33-54 parts of polyimide, 11-17 parts of fluorinated phosphazene rubber, 7-13 parts of phthalonitrile, 3-7 parts of chromite powder, 2-5 parts of cordierite powder, 3-6 parts of 4,4' -diaminodiphenylmethane, 4-7 parts of cyanite powder, 0.5-1 part of curing agent, 5-8 parts of polycarbosilane, 3-6 parts of magnesium aluminate spinel powder, 1-2 parts of lanthanum hexaboride, 1-1.5 parts of foaming agent and 45-68 parts of methanol. The high-strength heat-resistant flame-retardant heat-insulating material disclosed by the invention is light in weight, high in surface energy, strong in impurity phase adsorption capacity, excellent in thermal shock resistance, noise-reducing and insulating, high in strength, free of slag falling, wear-resistant, impact-resistant, low in water absorption, fireproof, heat-resistant, radiation-resistant, drop-resistant, non-toxic and environment-friendly, can be used for a long time under extreme conditions of ultrahigh temperature, ultralow temperature, high salt spray, strong noise, strong corrosion, strong radiation and the like, and has extremely high reliability and quality guarantee.
Description
Technical Field
The invention belongs to the technical field of high polymer materials, and particularly relates to a high-strength heat-resistant flame-retardant heat-insulating material.
Background
The polyimide foam is used as the most elegant heat-insulating and sound-insulating material and is applied to the fields of aerospace and aviation of various countries and the basic configuration of high-end buildings on ships and high-end buildings of American military ships. The material has the characteristics of excellent comprehensive performance of intrinsic flame retardance, environmental protection, no toxicity, wide temperature tolerance range, low thermal conductivity, irradiation resistance, light weight, easy processing and installation and the like, can be used for a long time under extreme conditions of ultrahigh temperature, ultralow temperature, high salt spray, strong noise, strong corrosion, strong radiation and the like, and has extremely high reliability and quality guarantee.
The existing ship uses rock wool as heat-insulating noise-reducing material, its weight is 10-30 times that of polyimide foam, and its weight is high, it is easy to absorb water and lose efficacy, and its service cycle is short. Rockwool is used because it is not made domestically and is too expensive. With the development of the aerospace and navigation industries, the demand of polyimide foam products in China is rapidly increased, and a large amount of high-end polyimide foam products are urgently needed in the fields of advanced military equipment, building heat preservation and the like.
On the other hand, along with the occurrence of several extra-large fires in the industry of external wall insulation materials of civil buildings in China, the fire protection safety of the external wall insulation materials is emphasized, and the insulation foam materials with good fireproof performance and moderate price are urgently needed. High performance polyimide foam is a suitable choice, but the toughness is poor, and the foaming process is complex. The development of a novel high-light heat-resistant flame-retardant heat-insulating material is urgently needed by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a high-strength heat-resistant flame-retardant heat-insulating material aiming at the existing problems.
The invention is realized by the following technical scheme:
a high-strength heat-resistant flame-retardant heat-insulation material is prepared from the following raw materials in parts by weight: 23-45 parts of poly (arylene ether nitrile), 33-54 parts of ketone anhydride, 11-17 parts of fluorinated phosphazene rubber, 7-13 parts of phthalonitrile, 3-7 parts of chromite powder, 2-5 parts of cordierite powder, 3-6 parts of 4,4' -diaminodiphenylmethane, 4-7 parts of cyanite powder, 0.5-1 part of curing agent, 5-8 parts of polycarbosilane, 3-6 parts of magnesium aluminate spinel powder, 1-2 parts of lanthanum hexaboride, 1-1.5 parts of foaming agent and 45-68 parts of methanol.
Further, the fluoroether rubber is binary copolymerization fluoroether rubber, and the fluorine content of the fluoroether rubber is 24-37%.
Further, the curing agent is a mixture of bis- [ gamma- (triethoxy silicon) propyl ] tetrasulfide, dicyandiamide and sebacic dihydrazide, and the proportion of the curing agent is 1-2: 2-4: 3-5.
Further, the foaming agent is one or more of trihydrazinotriazine, 4' -oxybis (benzenesulfonylamino urea) and barium azodicarboxylate.
Further, the polycarbosilane is allyl hydrogenated polycarbosilane.
A preparation method of a high-strength heat-resistant flame-retardant heat-insulating material comprises the following steps:
(1) preparing raw materials according to the weight percentage; (2) synthesizing a polyesteramide prepolymer, mixing half of total amount of ketonic anhydride and half of total amount of methanol, stirring at 50 ℃ for reaction for esterification, adding 4,4' -diaminodiphenylmethane to obtain a polyesteramide prepolymer solution, and drying to obtain polyesteramide prepolymer powder; adding the residual ketonic anhydride into the residual methanol at room temperature, heating, condensing, refluxing until the solution is transparent, pouring the solution into a stainless steel container, stirring for a certain time to obtain a polyesteramide prepolymer solution, cooling to room temperature, pouring the polyesteramide prepolymer mixed solution into a reaction kettle, putting the reaction kettle into a vacuum drying oven, vacuumizing to-0.1 MPa, keeping the temperature at 50-60 ℃ for 24 hours, taking out, and milling to obtain light yellow polyesteramide prepolymer powder; (3) uniformly mixing polyamide ester prepolymer powder, poly (arylene ether nitrile), phosphonitrile fluoride rubber, phthalonitrile, chromite powder, cordierite powder, kyanite powder, a regulator, polycarbosilane, magnesium-aluminum spinel powder and lanthanum hexaboride, adding the mixture into a mold, placing the mold into a 2450-2500 MHZ microwave oven, keeping the mold for 0.5-1 min, then placing the mold into a muffle furnace at 280 ℃, introducing nitrogen as a protective gas, keeping the mold for 10-30 min, raising the temperature of the muffle furnace to 310 ℃, and keeping the temperature for 20-40 min; (4) and pouring out the viscous mixture in the die, melting and plasticizing at 310-350 ℃ in a double-screw extruder, mixing a curing agent and a foaming agent during the process, quenching to below 50 ℃ by taking nitrogen as protective gas, introducing supercritical carbon dioxide, carrying out saturated adsorption, wherein the saturated adsorption pressure is 42-50 MPa, the saturated adsorption time is 28-30 h, the saturated adsorption temperature is-5-25 ℃, releasing pressure from the supercritical carbon dioxide, taking out, rapidly placing in an oil bath at 240-350 ℃ for foaming for 1-2min, quenching in distilled water at room temperature after foaming is finished, cleaning and shaping, and carrying out vacuum drying to obtain the high-strength heat-resistant flame-retardant heat-insulating material.
The invention has the beneficial effects that:
according to the invention, the two-step foaming agent and the supercritical carbon dioxide foaming source are adopted, so that the foaming rate and the size of the foam holes can be reasonably controlled, the strength of the material is further improved, the polyimide, the polyarylethernitrile and the fluoroether rubber are blended and modified, the obtained foam material has uniform foam holes, high strength, good flame retardance, high temperature resistance and good sound insulation and sound absorption in the sound wave frequency range of 0-2000 Hz. The curing and foaming speeds of the resin can be well controlled, the hardness of the cured resin and the matching of the poly (arylene ether nitrile) are good, an IPN foam material with increased compression strength and compression modulus is formed, the impact strength is reduced, the poly (arylene ether nitrile) and polyimide in the IPN foam material are good in compatibility, the damping performance is high, and good damping behavior is shown. Interpenetrating network polymers (IPNs) are a new class of polymer alloys consisting of two or more crosslinked polymers. The attachment of a small number of covalent bonds between polymers forms a permanent entanglement of the network, and IPNs therefore exhibit some particular macromolecular topographies. The connection of the polyimide, the polyaryl ether nitrile and other components can obtain good synergistic effect, and the connection contains the main chain structure of the polyaryl ether nitrile molecules and also contains a fluoroether rubber structure. Therefore, the heat resistance and mechanical strength of polyimide and polyarylene ether nitrile are improved, and the toughness and impact resistance of the fluoroether rubber are improved. The introduction of phthalonitrile and lanthanum hexaboride further improves the crosslinking density, makes the crosslinking bonding more compact and further improves the material strength. The addition of the chromium quartz powder, the cordierite powder, the sapphire powder and the magnesium aluminate spinel powder not only reduces the cost of the material, but also improves the corrosion resistance, the fire resistance and the heat resistance of the material, and has good flame retardant effect without adding extra flame retardant. The introduction of the fluoroether rubber further improves the compatibility among the material components and the impact resistance and corrosion resistance of the material. The reasonable foaming system and the curing system not only improve the heat insulation performance of the material, but also provide a plurality of crosslinking key joint modes, further improve the crosslinking density and further improve the strength and the heat resistance of the material.
Compared with the prior art, the invention has the following advantages:
the high-strength heat-resistant flame-retardant heat-insulating material disclosed by the invention has the advantages of high aperture ratio, light weight, high surface energy, strong impurity phase adsorption force, excellent thermal shock resistance, noise reduction, insulation, high strength, no slag falling, wear resistance, impact resistance, low water absorption, fire resistance, heat resistance, radiation resistance, falling resistance, no toxicity, environmental friendliness, capability of being used for a long time under extreme conditions of ultrahigh temperature, ultralow temperature, high salt mist, strong noise, strong corrosion, strong radiation and the like, and extremely high reliability and quality guarantee.
Detailed Description
The invention is illustrated by the following specific examples, which are not intended to be limiting.
Example 1
A high-strength heat-resistant flame-retardant heat-insulation material is prepared from the following raw materials in parts by weight: 45 parts of poly (arylene ether nitrile), 54 parts of ketone anhydride, 17 parts of fluorinated phosphazene rubber, 13 parts of phthalonitrile, 7 parts of chromolite powder, 5 parts of cordierite powder, 6 parts of 4,4' -diaminodiphenylmethane, 7 parts of cyanite powder, 1 part of curing agent, 8 parts of polycarbosilane, 6 parts of magnesium aluminate spinel powder, 2 parts of lanthanum hexaboride, 1 part of foaming agent and 68 parts of methanol.
Further, the fluoroether rubber is binary copolymerization fluoroether rubber, and the fluorine content of the fluoroether rubber is 24-37%.
Further, the curing agent is a mixture of bis- [ gamma- (triethoxy silicon) propyl ] tetrasulfide, dicyandiamide and sebacic dihydrazide, and the proportion of the curing agent is 1: 2: 3.
Further, the foaming agent is trihydrazinotriazine, 4' -oxybis (benzenesulfonylamino urea) and barium azodicarboxylate.
Further, the polycarbosilane is allyl hydrogenated polycarbosilane.
A preparation method of a high-strength heat-resistant flame-retardant heat-insulating material comprises the following steps:
(1) preparing raw materials according to the weight percentage; (2) synthesizing a polyesteramide prepolymer, mixing half of total amount of ketonic anhydride and half of total amount of methanol, stirring at 50 ℃ for reaction for esterification, adding 4,4' -diaminodiphenylmethane to obtain a polyesteramide prepolymer solution, and drying to obtain polyesteramide prepolymer powder; adding the residual ketonic anhydride into the residual methanol at room temperature, heating, condensing, refluxing until the solution is transparent, pouring the solution into a stainless steel container, stirring for a certain time to obtain a polyesteramide prepolymer solution, cooling to room temperature, pouring the polyesteramide prepolymer mixed solution into a reaction kettle, putting into a vacuum drying oven, vacuumizing to-0.1 MPa, keeping at 60 ℃ for 24 hours, taking out, and grinding to obtain light yellow polyesteramide prepolymer powder; (3) uniformly mixing polyesteramide prepolymer powder, polyarylethernitrile, phosphonitrile fluoride rubber, phthalonitrile, chromite powder, cordierite powder, cyanite powder, a regulator, polycarbosilane, magnesium aluminate spinel powder and lanthanum hexaboride, adding into a mold, placing the mold into a 2450MHZ microwave oven for 1min, then placing the mold into a muffle furnace at 280 ℃, introducing nitrogen as a protective gas, keeping for 30min, raising the temperature of the muffle furnace to 310 ℃, and keeping for 40 min; (4) pouring out the viscous mixture in the die, melting and plasticizing at 310-350 ℃ in a double-screw extruder, mixing a curing agent and a foaming agent during the process, taking nitrogen as protective gas, quenching to below 50 ℃, introducing supercritical carbon dioxide, carrying out saturated adsorption, wherein the saturated adsorption pressure is 50MPa, the saturated adsorption time is 30h, the saturated adsorption temperature is 25 ℃, releasing pressure from the supercritical carbon dioxide, taking out, rapidly placing in an oil bath at 350 ℃ for foaming, the foaming time is 2min, quenching in distilled water at room temperature after foaming is finished, cleaning, shaping, and carrying out vacuum drying to obtain the high-strength heat-resistant flame-retardant heat-insulating material.
Example 2
A high-strength heat-resistant flame-retardant heat-insulation material is prepared from the following raw materials in parts by weight: 23 parts of poly (arylene ether nitrile), 33 parts of ketone anhydride, 11 parts of fluorinated phosphazene rubber, 7 parts of phthalonitrile, 3 parts of chromolite powder, 2 parts of cordierite powder, 3 parts of 4,4' -diaminodiphenylmethane, 4 parts of cyanite powder, 0.5 part of curing agent, 5 parts of polycarbosilane, 3 parts of magnesium aluminate spinel powder, 1 part of lanthanum hexaboride, 1.5 parts of foaming agent and 45 parts of methanol.
Further, the fluoroether rubber is binary copolymerization fluoroether rubber, and the fluorine content of the fluoroether rubber is 24-37%.
Further, the curing agent is a mixture of bis- [ gamma- (triethoxysilyl) propyl ] tetrasulfide, dicyandiamide and sebacic dihydrazide, and the proportion of the curing agent is 2: 5.
Further, the foaming agent is trihydrazinotriazine, 4' -oxybis (benzenesulfonylamino urea) and barium azodicarboxylate.
Further, the polycarbosilane is allyl hydrogenated polycarbosilane.
A preparation method of a high-strength heat-resistant flame-retardant heat-insulating material comprises the following steps:
(1) preparing raw materials according to the weight percentage; (2) synthesizing a polyesteramide prepolymer, mixing half of total amount of ketonic anhydride and half of total amount of methanol, stirring at 50 ℃ for reaction for esterification, adding 4,4' -diaminodiphenylmethane to obtain a polyesteramide prepolymer solution, and drying to obtain polyesteramide prepolymer powder; adding the residual ketonic anhydride into the residual methanol at room temperature, heating, condensing, refluxing until the solution is transparent, pouring the solution into a stainless steel container, stirring for a certain time to obtain a polyesteramide prepolymer solution, cooling to room temperature, pouring the polyesteramide prepolymer mixed solution into a reaction kettle, putting the reaction kettle into a vacuum drying oven, vacuumizing to-0.1 MPa, keeping the temperature at 50-60 ℃ for 24 hours, taking out, and milling to obtain light yellow polyesteramide prepolymer powder; (3) uniformly mixing polyesteramide prepolymer powder, polyarylethernitrile, phosphonitrile fluoride rubber, phthalonitrile, chromite powder, cordierite powder, cyanite powder, a regulator, polycarbosilane, magnesium aluminate spinel powder and lanthanum hexaboride, adding into a mold, placing the mold into a 2450-2500 MHZ microwave oven for 1min, then placing the mold into a 280 ℃ muffle furnace, introducing nitrogen as a protective gas, keeping for 30min, raising the temperature of the muffle furnace to 310 ℃, and keeping for 20 min; (4) pouring out the viscous mixture in the die, melting and plasticizing at 340 ℃ in a double-screw extruder, mixing a curing agent and a foaming agent during the process, taking nitrogen as protective gas, quenching to below 50 ℃, introducing supercritical carbon dioxide, carrying out saturated adsorption, wherein the saturated adsorption pressure is 50MPa, the saturated adsorption time is 28h, the saturated adsorption temperature is 10 ℃, releasing pressure from the supercritical carbon dioxide, taking out, rapidly placing in an oil bath at 350 ℃ for foaming, the foaming time is 2min, quenching in distilled water at room temperature after foaming is finished, cleaning, shaping, and carrying out vacuum drying to obtain the high-strength heat-resistant flame-retardant heat-insulating material.
TABLE 1 Performance test results of the high-strength, heat-resistant, flame-retardant, and thermal insulation materials of the examples
Table 1:
note: reference GB/T2406.2 plastic uses oxygen index method to determine burning behavior part 2. test GB/T2408 plastic burning performance at room temperature, horizontal method and vertical method GB/T2918-1998 plastic sample state adjustment and test standard environment GB/T6342 foam and rubber linear dimension determination GB/T6343 foam and rubber apparent density determination.
Determination of compression set of flexible foam polymeric materials GB/T6669 method for accelerated ageing tests for flexible and rigid foam polymeric materials GB/T9640.
GB/T10295 heat-insulating material steady-state thermal resistance and correlation measurement heat flow meter method; measuring the performance of the GB/T11547 plastic in resisting liquid chemical reagents; measurement of sound absorption coefficient and sound impedance in GB/T18696.1 Acoustic impedance tube part 1 measurement of moisture absorption property of damp heat property of GB/T20312 building material and product by standing wave ratio method.
Claims (6)
1. The high-strength heat-resistant flame-retardant heat-insulation material is characterized by being prepared from the following raw materials in parts by weight: 23-45 parts of poly (arylene ether nitrile), 33-54 parts of ketone anhydride, 11-17 parts of fluorinated phosphazene rubber, 7-13 parts of phthalonitrile, 3-7 parts of chromite powder, 2-5 parts of cordierite powder, 3-6 parts of 4,4' -diaminodiphenylmethane, 4-7 parts of cyanite powder, 0.5-1 part of curing agent, 5-8 parts of polycarbosilane, 3-6 parts of magnesium aluminate spinel powder, 1-2 parts of lanthanum hexaboride, 1-1.5 parts of foaming agent and 45-68 parts of methanol.
2. The high-strength heat-resistant flame-retardant heat-insulating material as claimed in claim 1, wherein the fluoroether rubber is binary copolymer fluoroether rubber, and the content of fluorine in the binary copolymer fluoroether rubber is 24-37%.
3. The high-strength heat-resistant flame-retardant heat-insulating material as claimed in claim 1, wherein the curing agent is a mixture of bis- [ gamma- (triethoxysilyl) propyl ] tetrasulfide, dicyandiamide, and sebacic dihydrazide, and the ratio is 1-2: 2-4: 3-5.
4. A high strength heat resistant flame retardant insulation material as claimed in claim 1, wherein said blowing agent is one or more of trihydrazinotriazine, 4' -oxybis (benzenesulfonylamino urea), barium azodicarboxylate.
5. A high strength heat resistant flame retardant insulation material as claimed in claim 1, wherein said polycarbosilane is allylhydro polycarbosilane.
6. The high-strength heat-resistant flame-retardant heat-preservation material as claimed in claim 1, characterized in that the preparation method comprises the following steps:
(1) preparing raw materials according to the weight percentage; (2) synthesizing a polyesteramide prepolymer, mixing half of total amount of ketonic anhydride and half of total amount of methanol, stirring at 50 ℃ for reaction for esterification, adding 4,4' -diaminodiphenylmethane to obtain a polyesteramide prepolymer solution, and drying to obtain polyesteramide prepolymer powder; adding the residual ketonic anhydride into the residual methanol at room temperature, heating, condensing, refluxing until the solution is transparent, pouring the solution into a stainless steel container, stirring for a certain time to obtain a polyesteramide prepolymer solution, cooling to room temperature, pouring the polyesteramide prepolymer mixed solution into a reaction kettle, putting the reaction kettle into a vacuum drying oven, vacuumizing to-0.1 MPa, keeping the temperature at 50-60 ℃ for 24 hours, taking out, and milling to obtain light yellow polyesteramide prepolymer powder; (3) uniformly mixing polyesteramide prepolymer powder, poly (arylene ether nitrile), phosphonitrile fluoride rubber, phthalonitrile, chromite powder, cordierite powder, kyanite powder, polycarbosilane, magnesium aluminate spinel powder and lanthanum hexaboride, adding into a mold, placing the mold into a 2450-2500 MHZ microwave oven, keeping for 0.5-1 min, then placing the mold into a muffle furnace at 280 ℃, introducing nitrogen as a protective gas, keeping for 10-30 min, raising the temperature of the muffle furnace to 310 ℃, and keeping for 20-40 min; (4) and pouring out the viscous mixture in the die, melting and plasticizing at 310-350 ℃ in a double-screw extruder, mixing a curing agent and a foaming agent during the process, quenching to below 50 ℃ by taking nitrogen as protective gas, introducing supercritical carbon dioxide, carrying out saturated adsorption, wherein the saturated adsorption pressure is 42-50 MPa, the saturated adsorption time is 28-30 h, the saturated adsorption temperature is-5-25 ℃, releasing pressure from the supercritical carbon dioxide, taking out, rapidly placing in an oil bath at 240-350 ℃ for foaming for 1-2min, quenching in distilled water at room temperature after foaming is finished, cleaning and shaping, and carrying out vacuum drying to obtain the high-strength heat-resistant flame-retardant heat-insulating material.
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