CN115028883A - 一种阻燃硅气凝胶的制备方法 - Google Patents
一种阻燃硅气凝胶的制备方法 Download PDFInfo
- Publication number
- CN115028883A CN115028883A CN202210657762.3A CN202210657762A CN115028883A CN 115028883 A CN115028883 A CN 115028883A CN 202210657762 A CN202210657762 A CN 202210657762A CN 115028883 A CN115028883 A CN 115028883A
- Authority
- CN
- China
- Prior art keywords
- parts
- flame
- graphene oxide
- silica aerogel
- sepiolite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000003063 flame retardant Substances 0.000 title claims abstract description 43
- 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 42
- 239000004965 Silica aerogel Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 41
- 239000004113 Sepiolite Substances 0.000 claims abstract description 36
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 36
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 36
- 238000002156 mixing Methods 0.000 claims abstract description 30
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 230000032683 aging Effects 0.000 claims abstract description 25
- 150000001282 organosilanes Chemical class 0.000 claims abstract description 25
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000002904 solvent Substances 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 229920001467 poly(styrenesulfonates) Polymers 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000010992 reflux Methods 0.000 claims abstract description 13
- 229940006186 sodium polystyrene sulfonate Drugs 0.000 claims abstract description 13
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 11
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 11
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000008117 stearic acid Substances 0.000 claims abstract description 11
- 238000001694 spray drying Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims abstract description 3
- 239000002994 raw material Substances 0.000 claims abstract description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 16
- 238000005406 washing Methods 0.000 claims description 10
- 238000009210 therapy by ultrasound Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 229920000877 Melamine resin Polymers 0.000 claims description 5
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- IVKNZCBNXPYYKL-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-(2,4,4-trimethylpentan-2-yl)phenoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol Chemical compound CC(C)(C)CC(C)(C)C1=CC=C(OCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO)C=C1 IVKNZCBNXPYYKL-UHFFFAOYSA-N 0.000 claims description 4
- JJQZDUKDJDQPMQ-UHFFFAOYSA-N dimethoxy(dimethyl)silane Chemical compound CO[Si](C)(C)OC JJQZDUKDJDQPMQ-UHFFFAOYSA-N 0.000 claims description 4
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 3
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 3
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 3
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 3
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 3
- 229920001214 Polysorbate 60 Polymers 0.000 claims description 2
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 claims description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 12
- 229960002796 polystyrene sulfonate Drugs 0.000 abstract 1
- 239000011970 polystyrene sulfonate Substances 0.000 abstract 1
- 239000004964 aerogel Substances 0.000 description 21
- 239000012065 filter cake Substances 0.000 description 20
- 238000012360 testing method Methods 0.000 description 17
- 239000008367 deionised water Substances 0.000 description 13
- 229910021641 deionized water Inorganic materials 0.000 description 13
- 239000000377 silicon dioxide Substances 0.000 description 12
- 239000000843 powder Substances 0.000 description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 238000007873 sieving Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000001132 ultrasonic dispersion Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- -1 hydrogen halides Chemical class 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910002026 crystalline silica Inorganic materials 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000007783 nanoporous material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- 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
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/05—Elimination by evaporation or heat degradation of a liquid phase
- C08J2201/0502—Elimination by evaporation or heat degradation of a liquid phase the liquid phase being organic
-
- 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
- C08J2205/00—Foams characterised by their properties
- C08J2205/02—Foams characterised by their properties the finished foam itself being a gel or a gel being temporarily formed when processing the foamable composition
- C08J2205/026—Aerogel, i.e. a supercritically dried gel
-
- 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
- C08J2383/00—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
- C08J2383/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34922—Melamine; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
本发明属于阻燃材料技术领域。更具体地,涉及一种阻燃硅气凝胶的制备方法。本发明在制备产品时,按重量份数计,依次取200‑300份无水甲醇,10‑30份硬脂酸,10‑20份海泡石,3‑5份乳化剂,80‑120份有机硅烷,2‑4份阻燃剂;将各原料混合分散后,于温度为75‑85℃条件下加热回流反应2‑8h;待冷却至20‑40℃后,调节pH至8‑9,搅拌混合均匀后,静置老化;再经溶剂置换后,常压干燥,即得产品。其中,6、还包括有机硅烷质量3‑5%的氧化石墨烯;所述氧化石墨烯的层间嵌入有聚苯乙烯磺酸钠;并且,所述氧化石墨烯是通过如下方法制备得到:将氧化石墨烯和聚苯乙烯磺酸钠分散于水中,混合均匀后,喷雾干燥,即得。
Description
技术领域
本发明属于阻燃材料技术领域。更具体地,涉及一种阻燃硅气凝胶的制备方法。
背景技术
近年来,硅基气凝胶的科研型主要集中在保温隔热、吸气、催化等方面,而在阻燃方向的研究相对较少。与其他纳米材料相对比,二氧化硅纳米粒子在气凝胶的制备过程中应用十分广泛。二氧化硅分为有晶态和无定形两种形态。自然界中存在的二氧化硅如石英、石英砂等统称为硅石。纯净的天然二氧化硅晶体,是一种坚硬、脆性、难溶的无色透明的固体,常用于制造光学仪器等。晶态二氧化硅的熔点1723℃,沸点2230℃,不溶于水。除氟气和氢氟酸外,二氧化硅跟卤素、卤化氢和无机酸均不反应,但能溶于热的浓碱、熔融的强碱或碳酸钠中。此外,高温时二氧化硅能被焦炭、镁等还原。由于二氧化硅具有稳定的物理化学性质,可以作为填充物增强其他材料的力学性能而不对其他材料产生化学影响,因而用途十分广泛。
作为纳米多孔材料,二氧化硅气凝胶是目前研究较多的气凝胶,二氧化硅气凝胶具有很好的隔热性能,具有密度低、防水阻燃、绿色环保、不易老化、使用寿命长等特点。二氧化硅气凝胶具有独特的网络结构、高孔隙率、低密度等特性使其具有质地较脆的缺点,常通过在凝胶前加入增强或增韧材料;或先制成纳米孔的气凝胶颗粒或粉体,再加入增强或增韧材料,经模压或浇注成型制成二次成型的复合体。
发明内容
本发明要解决的技术问题是克服现有硅气凝胶韧性较差,当其作为阻燃材料使用时,容易由于局部失效导致阻燃性能显著下降的问题,提供了一种阻燃硅气凝胶的制备方法。
本发明的目的是提供一种阻燃硅气凝胶的制备方法。
本发明上述目的通过以下技术方案实现:
一种阻燃硅气凝胶的制备方法,具体制备步骤包括:
按重量份数计,依次取200-300份无水甲醇,10-30份硬脂酸,10-20份海泡石,3-5份乳化剂,80-120份有机硅烷,2-4份阻燃剂;
将各原料混合分散后,于温度为75-85℃条件下加热回流反应2-8h;
待冷却至20-40℃后,调节pH至8-9,搅拌混合均匀后,静置老化;
再经溶剂置换后,常压干燥,即得产品。
上述技术方案通过添加海泡石,海泡石在无水甲醇中分散后,可以使得体系整体在加热回流反应过程中保持一定的粘度,而在加热回流过程中,无水甲醇中羟基可以和硬脂酸中的羧基发生脱水缩合反应,由于该反应过程为可逆反应,并且反应均匀且缓慢,其产生的水为分子级别,一旦有均匀缓慢的水分子产生,即可与有机硅烷分子接触,并使之发生均匀的水解反应,而水解反应产生的产物则可以在一定粘度的海泡石体系中均匀分散,避免局部快速的形成缺陷的气凝胶前驱体,如此,在后续调节pH后,包括静置老化过程中,由于前期前驱体的诞生过程得到了均匀的控制,可以使得气凝胶整体交联网络变得非常均匀,其内部的空隙也得到了均匀的控制,通过保障气凝胶内部的均一性,来显著改善气凝胶整体的韧性。
进一步的,所述阻燃剂选自三聚氰胺、聚磷酸铵、纳米氢氧化铝、纳米氢氧化镁中的任意一种。
进一步的,所述乳化剂选自乳化剂OP-10、十二烷基苯磺酸钠、十六烷基三甲基溴化铵、吐温-60、司盘-80中的任意一种。
进一步的,所述有机硅烷选自甲基三甲氧基硅烷、二甲基二甲氧基硅烷中的任意一种。
进一步的,所述海泡石为改性海泡石;所述改性海泡石的改性步骤包括:将海泡石和盐酸搅拌反应后,过滤,洗涤,干燥和焙烧,得改性海泡石。
上述技术方案通过对海泡石进一步进行盐酸改性,通过利用盐酸电离出的氢离子置换海泡石层间的部分金属离子,从而使得其分子结构中的硅羟基数量增加,如此,可以在加热回流过程中对前驱体发挥优异的吸附作用,并且也可以使得体系在回流过程中获得一定的粘度,保障产生的前驱体可以稳定在体系中分散,在静置老化过程中,更容易形成均一的气凝胶结构。
进一步的,还包括有机硅烷质量3-5%的氧化石墨烯;
所述氧化石墨烯的层间嵌入有聚苯乙烯磺酸钠;
并且,所述氧化石墨烯是通过如下方法制备得到:
将氧化石墨烯和聚苯乙烯磺酸钠超声分散于水中,混合均匀后,喷雾干燥,即得。
上述技术方案进一步在体系中引入少量氧化石墨烯,并通过在其层间嵌入聚苯乙烯磺酸钠,以此拓宽氧化石墨烯的层间距,利用其层间距在实际气凝胶受力过程中,可以起到一定的缓冲作用,并且,利用喷雾干燥的方式,使得氧化石墨烯层状结构在该过程中发生形变扭曲,更容易形成粗糙褶皱的表面结构,从而使得气凝胶交联网络和氧化石墨烯层状结构的相互作用力增强,从而实现了整体的气凝胶增韧。
进一步的,所述具体制备步骤还包括:
在所述静置老化过程中,每隔45-60min后,采用频率为45-55kHz超声进行超声处理10-20s;
所述静置老化总时常为3-8h。
上述技术方案通过在静置老化过程中,间断式的采用短时间的超声处理,如此,可以利用超声波的空化作用将老化过程中气凝胶的薄弱点打断,并暴露出活性较高的新的结合位点,在静置过程中重新形成新的气凝胶结构,从而使得产品的韧性得到进一步的增强。
具体实施方式
以下结合具体实施例来进一步说明本发明,但实施例并不对本发明做任何形式的限定。除非特别说明,本发明采用的试剂、方法和设备为本技术领域常规试剂、方法和设备。
除非特别说明,以下实施例所用试剂和材料均为市购。
实施例1
将海泡石倒入万能粉碎机中,于转速为6000r/min条件下,粉碎30min后,过800目筛,收集筛下细粉;
将筛下细粉和质量分数为3%的盐酸按质量比为1:10混合后,于温度为85℃,搅拌转速为400r/min条件下,加热搅拌反应20min后,过滤,收集滤饼,并用去离子水洗涤滤饼,直至洗涤液呈中性,再将洗涤后的滤饼转入烘箱中,于温度为75℃条件下干燥至恒重,再将干燥后的滤饼转入管式炉中,于氮气气氛条件下,于温度为160℃条件下,焙烧2h,得改性海泡石;
将D50为10nm,粒径分布范围为1-50nm的氧化石墨烯和聚苯乙烯磺酸钠按质量比为10:1混合倒入去离子水中,其中,去离子水的用量是所述氧化石墨烯质量的10倍,于温度为55℃,超声频率为55kHz条件下,恒温超声反应1h后,浓缩至原体积的1/3,再将浓缩液转入喷雾干燥器中,于进风温度为120℃,出风温度为85℃条件下,喷雾干燥,得预处理氧化石墨烯;
按重量份数计,依次取200份无水甲醇,10份硬脂酸,10份改性海泡石,3份乳化剂,80份有机硅烷,2份阻燃剂;以及有机硅烷质量3%的预处理氧化石墨烯;
将无水乙醇、硬脂酸、改性海泡石、乳化剂、阻燃剂和预处理氧化石墨烯混合后,于温度为30℃,超声频率为65kHz条件下,恒温超声分散2h后,再加入有机硅烷,并转入带回流冷凝器的反应釜中,于温度为75℃条件下,加热回流反应2h后,停止加热,待反应釜中物料冷却至20℃后,用氨水调节pH至8,再用搅拌器以300r/min转速搅拌混合30min,停止搅拌,于室温条件下,静置老化3h;
并且,在上述静置老化过程中,每隔45min后,采用频率为45kHz超声进行超声处理10s;
待静置老化结束,先以异丙醇为溶剂,进行溶剂置换4h;再以正己烷为溶剂,进行溶剂置换4h,随后于温度为45℃条件下,常压干燥至恒重,即得阻燃硅气凝胶;
所述有机硅烷选自甲基三甲氧基硅烷;
所述乳化剂选自乳化剂OP-10;
所述阻燃剂选自三聚氰胺。
实施例2
将海泡石倒入万能粉碎机中,于转速为7000r/min条件下,粉碎35min后,过900目筛,收集筛下细粉;
将筛下细粉和质量分数为4%的盐酸按质量比为1:12混合后,于温度为100℃,搅拌转速为500r/min条件下,加热搅拌反应25min后,过滤,收集滤饼,并用去离子水洗涤滤饼,直至洗涤液呈中性,再将洗涤后的滤饼转入烘箱中,于温度为80℃条件下干燥至恒重,再将干燥后的滤饼转入管式炉中,于氮气气氛条件下,于温度为170℃条件下,焙烧3h,得改性海泡石;
将D50为50nm,粒径分布范围为1-100nm的氧化石墨烯和聚苯乙烯磺酸钠按质量比为12:1混合倒入去离子水中,其中,去离子水的用量是所述氧化石墨烯质量的15倍,于温度为65℃,超声频率为60kHz条件下,恒温超声反应2h后,浓缩至原体积的1/4,再将浓缩液转入喷雾干燥器中,于进风温度为125℃,出风温度为90℃条件下,喷雾干燥,得预处理氧化石墨烯;
按重量份数计,依次取250份无水甲醇,20份硬脂酸,15份改性海泡石,4份乳化剂,100份有机硅烷,3份阻燃剂;以及有机硅烷质量4%的预处理氧化石墨烯;
将无水乙醇、硬脂酸、改性海泡石、乳化剂、阻燃剂和预处理氧化石墨烯混合后,于温度为40℃,超声频率为75kHz条件下,恒温超声分散3h后,再加入有机硅烷,并转入带回流冷凝器的反应釜中,于温度为80℃条件下,加热回流反应6h后,停止加热,待反应釜中物料冷却至30℃后,用氨水调节pH至8.5,再用搅拌器以400r/min转速搅拌混合40min,停止搅拌,于室温条件下,静置老化6h;
并且,在上述静置老化过程中,每隔50min后,采用频率为50kHz超声进行超声处理15s;
待静置老化结束,先以异丙醇为溶剂,进行溶剂置换5h;再以正己烷为溶剂,进行溶剂置换5h,随后于温度为50℃条件下,常压干燥至恒重,即得阻燃硅气凝胶;
所述有机硅烷选自二甲基二甲氧基硅烷;
所述乳化剂选自十二烷基苯磺酸钠;
所述阻燃剂选自聚磷酸铵。
实施例3
将海泡石倒入万能粉碎机中,于转速为8000r/min条件下,粉碎45min后,过1000目筛,收集筛下细粉;
将筛下细粉和质量分数为5%的盐酸按质量比为1:15混合后,于温度为110℃,搅拌转速为600r/min条件下,加热搅拌反应30min后,过滤,收集滤饼,并用去离子水洗涤滤饼,直至洗涤液呈中性,再将洗涤后的滤饼转入烘箱中,于温度为85℃条件下干燥至恒重,再将干燥后的滤饼转入管式炉中,于氮气气氛条件下,于温度为180℃条件下,焙烧4h,得改性海泡石;
将D50为80nm,粒径分布范围为10-200nm的氧化石墨烯和聚苯乙烯磺酸钠按质量比为15:1混合倒入去离子水中,其中,去离子水的用量是所述氧化石墨烯质量的20倍,于温度为75℃,超声频率为65kHz条件下,恒温超声反应3h后,浓缩至原体积的1/5,再将浓缩液转入喷雾干燥器中,于进风温度为130℃,出风温度为95℃条件下,喷雾干燥,得预处理氧化石墨烯;
按重量份数计,依次取300份无水甲醇,30份硬脂酸,20份改性海泡石,5份乳化剂,120份有机硅烷,4份阻燃剂;以及有机硅烷质量5%的预处理氧化石墨烯;
将无水乙醇、硬脂酸、改性海泡石、乳化剂、阻燃剂和预处理氧化石墨烯混合后,于温度为45℃,超声频率为85kHz条件下,恒温超声分散4h后,再加入有机硅烷,并转入带回流冷凝器的反应釜中,于温度为85℃条件下,加热回流反应8h后,停止加热,待反应釜中物料冷却至40℃后,用氨水调节pH至9,再用搅拌器以500r/min转速搅拌混合45min,停止搅拌,于室温条件下,静置老化8h;
并且,在上述静置老化过程中,每隔60min后,采用频率为55kHz超声进行超声处理20s;
待静置老化结束,先以异丙醇为溶剂,进行溶剂置换6h;再以正己烷为溶剂,进行溶剂置换6h,随后于温度为55℃条件下,常压干燥至恒重,即得阻燃硅气凝胶;
所述有机硅烷选自二甲基二甲氧基硅烷;
所述乳化剂选自十六烷基三甲基溴化铵;
所述阻燃剂选自三聚氰胺。
实施例4
本实施例和实施例1相比,区别在于:未添加氧化石墨烯,其余条件保持不变。
实施例5
本实施例和实施例1相比,区别在于:氧化石墨烯未采用聚苯乙烯磺酸钠进行预处理,其余条件保持不变。
实施例6
本实施例和实施例1相比,区别在于:在静置老化过程中,未采用超声处理,其余条件保持不变。
对比例1
本对比例和实施例1相比,区别在于:未添加海泡石,其余条件保持不变。
对比例2
将海泡石倒入万能粉碎机中,于转速为6000r/min条件下,粉碎30min后,过800目筛,收集筛下细粉;
将筛下细粉和质量分数为3%的盐酸按质量比为1:10混合后,于温度为85℃,搅拌转速为400r/min条件下,加热搅拌反应20min后,过滤,收集滤饼,并用去离子水洗涤滤饼,直至洗涤液呈中性,再将洗涤后的滤饼转入烘箱中,于温度为75℃条件下干燥至恒重,再将干燥后的滤饼转入管式炉中,于氮气气氛条件下,于温度为160℃条件下,焙烧2h,得改性海泡石;
将D50为10nm,粒径分布范围为1-50nm的氧化石墨烯和聚苯乙烯磺酸钠按质量比为10:1混合倒入去离子水中,其中,去离子水的用量是所述氧化石墨烯质量的10倍,于温度为55℃,超声频率为55kHz条件下,恒温超声反应1h后,浓缩至原体积的1/3,再将浓缩液转入喷雾干燥器中,于进风温度为120℃,出风温度为85℃条件下,喷雾干燥,得预处理氧化石墨烯;
按重量份数计,依次取200份无水甲醇,40-60份去离子水,10份改性海泡石,3份乳化剂,80份有机硅烷,2份阻燃剂;以及有机硅烷质量3%的预处理氧化石墨烯;
将无水乙醇、硬脂酸、改性海泡石、乳化剂、阻燃剂和预处理氧化石墨烯混合后,于温度为30℃,超声频率为65kHz条件下,恒温超声分散2h后,再加入有机硅烷,并转入反应釜中,于温度为75℃条件下,转速为300r/min条件下,加热搅拌反应2h后,停止加热,待反应釜中物料冷却至20℃后,用氨水调节pH至8,再用搅拌器以300r/min转速搅拌混合30min,停止搅拌,于室温条件下,静置老化3h;
并且,在上述静置老化过程中,每隔45min后,采用频率为45kHz超声进行超声处理10s;
待静置老化结束,先以异丙醇为溶剂,进行溶剂置换4h;再以正己烷为溶剂,进行溶剂置换4h,随后于温度为45℃条件下,常压干燥至恒重,即得阻燃硅气凝胶;
所述有机硅烷选自甲基三甲氧基硅烷;
所述乳化剂选自乳化剂OP-10;
所述阻燃剂选自三聚氰胺。
对上述实施例1-6及对比例1-2所得产品进行性能测试,具体测试方法和测试结果如下所述:
取各个实施例和对比例产品,规格选择厚度为5cm,长度为30cm,宽度为20cm的长方体试块,每个实施例或对比例各取两块,其中一块用大小为30×20cm,重量为2kg的压板持续压10min,分别将压制前后的试块进行阻燃性能测试;
具体测试等级及对应现象为:
(1)HB:最低的阻燃等级,燃烧速度小于70mm/min(厚度要求小于3mm);燃烧速度小于40mm/min(厚度要求3-13mm);在100mm的标志前熄灭。
(2)(2)V-2:对所测定的样品进行两次十秒的燃烧测试,火焰在30秒内熄灭,并且可以引燃30cm下方的药棉。
(3)(3)V-1:对所测定的样品进行两次十秒的燃烧测试,火焰在30秒内熄灭,但是不能引燃30cm下方的药棉。
(4)(4)V-0:对所测定的样品进行两次十秒的燃烧测试,火焰在10秒内熄灭,不能有燃烧物掉下。
抗压强度测试:对上述各实施例和对比例产品压制前的试块进行抗压强度测试,具体测试结果如表1所示;
具体测试结果如下:
表1:产品性能测试结果
由表1测试结果可知,本发明所得产品具有优异的力学性能,即使经过压制后,仍然可以保持良好的阻燃性能。
上述实施例为本发明较佳的实施方式,但本发明的实施方式并不受上述实施例的限制,其他的任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化,均应为等效的置换方式,都包含在本发明的保护范围之内。
Claims (7)
1.一种阻燃硅气凝胶的制备方法,其特征在于,具体制备步骤包括:
按重量份数计,依次取200-300份无水甲醇,10-30份硬脂酸,10-20份海泡石,3-5份乳化剂,80-120份有机硅烷,2-4份阻燃剂;
将各原料混合分散后,于温度为75-85℃条件下加热回流反应2-8h;
待冷却至20-40℃后,调节pH至8-9,搅拌混合均匀后,静置老化;
再经溶剂置换后,常压干燥,即得产品。
2.根据权利要求1所述的一种阻燃硅气凝胶的制备方法,其特征在于,所述阻燃剂选自三聚氰胺、聚磷酸铵、纳米氢氧化铝、纳米氢氧化镁中的任意一种。
3.根据权利要求1所述的一种阻燃硅气凝胶的制备方法,其特征在于,所述乳化剂选自乳化剂OP-10、十二烷基苯磺酸钠、十六烷基三甲基溴化铵、吐温-60、司盘-80中的任意一种。
4.根据权利要求1所述的一种阻燃硅气凝胶的制备方法,其特征在于,所述有机硅烷选自甲基三甲氧基硅烷、二甲基二甲氧基硅烷中的任意一种。
5.根据权利要求1所述的一种阻燃硅气凝胶的制备方法,其特征在于,所述海泡石为改性海泡石;所述改性海泡石的改性步骤包括:将海泡石和盐酸搅拌反应后,过滤,洗涤,干燥和焙烧,得改性海泡石。
6.根据权利要求1所述的一种阻燃硅气凝胶的制备方法,其特征在于,还包括有机硅烷质量3-5%的氧化石墨烯;
所述氧化石墨烯的层间嵌入有聚苯乙烯磺酸钠;
并且,所述氧化石墨烯是通过如下方法制备得到:
将氧化石墨烯和聚苯乙烯磺酸钠分散于水中,混合均匀后,喷雾干燥,即得。
7.根据权利要求1所述的一种阻燃硅气凝胶的制备方法,其特征在于,所述具体制备步骤还包括:
在所述静置老化过程中,每隔45-60min后,采用频率为45-55kHz超声进行超声处理10-20s;
所述静置老化总时常为3-8h。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210657762.3A CN115028883B (zh) | 2022-06-10 | 2022-06-10 | 一种阻燃硅气凝胶的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210657762.3A CN115028883B (zh) | 2022-06-10 | 2022-06-10 | 一种阻燃硅气凝胶的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN115028883A true CN115028883A (zh) | 2022-09-09 |
CN115028883B CN115028883B (zh) | 2023-11-10 |
Family
ID=83125674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210657762.3A Active CN115028883B (zh) | 2022-06-10 | 2022-06-10 | 一种阻燃硅气凝胶的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115028883B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115491056A (zh) * | 2022-10-08 | 2022-12-20 | 刘东北 | 一种水性涂料及其制备方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103011745A (zh) * | 2012-11-27 | 2013-04-03 | 天津大学 | 二氧化硅气凝胶隔热复合材料及制备方法 |
CN105272143A (zh) * | 2015-12-06 | 2016-01-27 | 北京工业大学 | 一种不同长度海泡石纤维增强的低成本疏水型二氧化硅气凝胶隔热材料的制备方法 |
CN109860554A (zh) * | 2019-01-29 | 2019-06-07 | 常州讯宛德电子有限公司 | 一种结构稳定型锂电池复合电极粉体材料的制备方法 |
CN110040938A (zh) * | 2019-03-11 | 2019-07-23 | 南京思宇环保科技有限公司 | 一种有机-无机复合污泥脱水调理剂 |
CN110127705A (zh) * | 2019-05-14 | 2019-08-16 | 杭州师范大学 | 一种氧化石墨烯改性的阻燃硅气凝胶的制备方法 |
CN111041586A (zh) * | 2019-12-28 | 2020-04-21 | 宜禾股份有限公司 | 一种应用于特种服装的防弹高强聚乙烯纤维的制备工艺 |
WO2021128808A1 (zh) * | 2019-12-27 | 2021-07-01 | 福州大学 | 一种高阻隔性RGO-SiO2/PET保护膜及其制备方法 |
-
2022
- 2022-06-10 CN CN202210657762.3A patent/CN115028883B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103011745A (zh) * | 2012-11-27 | 2013-04-03 | 天津大学 | 二氧化硅气凝胶隔热复合材料及制备方法 |
CN105272143A (zh) * | 2015-12-06 | 2016-01-27 | 北京工业大学 | 一种不同长度海泡石纤维增强的低成本疏水型二氧化硅气凝胶隔热材料的制备方法 |
CN109860554A (zh) * | 2019-01-29 | 2019-06-07 | 常州讯宛德电子有限公司 | 一种结构稳定型锂电池复合电极粉体材料的制备方法 |
CN110040938A (zh) * | 2019-03-11 | 2019-07-23 | 南京思宇环保科技有限公司 | 一种有机-无机复合污泥脱水调理剂 |
CN110127705A (zh) * | 2019-05-14 | 2019-08-16 | 杭州师范大学 | 一种氧化石墨烯改性的阻燃硅气凝胶的制备方法 |
WO2021128808A1 (zh) * | 2019-12-27 | 2021-07-01 | 福州大学 | 一种高阻隔性RGO-SiO2/PET保护膜及其制备方法 |
CN111041586A (zh) * | 2019-12-28 | 2020-04-21 | 宜禾股份有限公司 | 一种应用于特种服装的防弹高强聚乙烯纤维的制备工艺 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115491056A (zh) * | 2022-10-08 | 2022-12-20 | 刘东北 | 一种水性涂料及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN115028883B (zh) | 2023-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Chiang et al. | Synthesis, characterization, thermal properties and flame retardance of novel phenolic resin/silica nanocomposites | |
CN116354355A (zh) | 一种球形二氧化硅粉体填料的制备方法、由此得到的粉体填料及其应用 | |
CN115028883B (zh) | 一种阻燃硅气凝胶的制备方法 | |
CN106118065A (zh) | 一种膨胀阻燃硅橡胶及其制备方法 | |
CN112551945A (zh) | 一种改性ptfe高热导率低介电常数复合介质材料及其制备方法 | |
CN117602909B (zh) | 一种基于钨尾矿的地暖专用水泥砂浆及其制备方法 | |
CN112646179B (zh) | 一种低介电聚酰亚胺薄膜及其制备方法 | |
CN112194822B (zh) | 一种含磷阻燃剂、制备方法、改性环氧树脂 | |
CN117549630A (zh) | 一种环保可靠型无卤覆铜板及其制备工艺 | |
CN110628085B (zh) | 一种介孔硅树脂阻燃剂、制备方法及其阻燃复合材料 | |
CN112717726B (zh) | 一种原位掺杂碳化氮的混合基质碳分子筛膜的制备方法及应用 | |
CN115558237A (zh) | 一种环氧基绝缘导热复合材料及其制备方法 | |
CN108948389A (zh) | 一种明胶-氧化石墨烯复合膜的制备方法 | |
Yano et al. | Physical properties of sol‐gel derived poly (Vinylidene Fluoride)/Silica hybrid | |
CN113185746A (zh) | 一种具有良好机械性能的三聚氰胺甲醛泡沫 | |
CN113604007B (zh) | 一种lcpu改性环氧树脂基导热复合材料及其制备方法和应用 | |
CN109251469A (zh) | 一种岩棉复合保温材料的制备方法 | |
Uma et al. | Preparation of sol-gel method P 2 O 5-Al 2 O 3-SiO 2 glasses and their characterization | |
CN116410516B (zh) | 一种高温低热导气凝胶复合材料及其制备方法 | |
CN113526942B (zh) | 一种阻燃型水凝胶/气凝胶“固包水”复合材料及其制备 | |
CN114835122B (zh) | 一种煤矸石制备碳化硅气凝胶粉体的方法 | |
Peng et al. | Study of Xonotlite Whisker Used to Inhibit the High-Temperature Strength Decline of Cementing Cement Stone | |
CN100595138C (zh) | 一种高强度绝热沥青碳泡沫材料的制备方法 | |
CN114790358B (zh) | 一种建筑墙壁用稀土防火涂料 | |
CN115490461B (zh) | 一种再生沥青混凝土及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20231016 Address after: Room 607, Jinbang Building, No. 369 Huanghe Road, Dongying District, Dongying City, Shandong Province, 257100 Applicant after: Shandong Lansen New Materials Co.,Ltd. Address before: No. 232, Zone C, Incubation Building, Entrepreneurship Service Center, Kechuang District, Mianyang City, Sichuan Province, 621000 Applicant before: Gong Weifeng |
|
GR01 | Patent grant | ||
GR01 | Patent grant |