CN116640509A - 一种耐高温有机硅涂料 - Google Patents
一种耐高温有机硅涂料 Download PDFInfo
- Publication number
- CN116640509A CN116640509A CN202310747704.4A CN202310747704A CN116640509A CN 116640509 A CN116640509 A CN 116640509A CN 202310747704 A CN202310747704 A CN 202310747704A CN 116640509 A CN116640509 A CN 116640509A
- Authority
- CN
- China
- Prior art keywords
- high temperature
- temperature resistant
- parts
- coating according
- glass powder
- 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
- 239000003973 paint Substances 0.000 title claims description 9
- 239000011521 glass Substances 0.000 claims abstract description 47
- 239000000843 powder Substances 0.000 claims abstract description 45
- 238000000576 coating method Methods 0.000 claims abstract description 43
- 239000011248 coating agent Substances 0.000 claims abstract description 39
- QXYJCZRRLLQGCR-UHFFFAOYSA-N dioxomolybdenum Chemical compound O=[Mo]=O QXYJCZRRLLQGCR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010703 silicon Substances 0.000 claims abstract description 12
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 239000000654 additive Substances 0.000 claims abstract description 7
- 230000000996 additive effect Effects 0.000 claims abstract description 6
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 229910021485 fumed silica Inorganic materials 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 11
- 239000002557 mineral fiber Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 239000010456 wollastonite Substances 0.000 claims description 9
- 229910052882 wollastonite Inorganic materials 0.000 claims description 9
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 239000002318 adhesion promoter Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 239000008096 xylene Substances 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000007822 coupling agent Substances 0.000 claims description 5
- 229920002050 silicone resin Polymers 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 4
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 4
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 4
- 239000008117 stearic acid Substances 0.000 claims description 4
- 238000000967 suction filtration Methods 0.000 claims description 4
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- 239000004447 silicone coating Substances 0.000 claims 8
- GTVWRXDRKAHEAD-UHFFFAOYSA-N Tris(2-ethylhexyl) phosphate Chemical compound CCCCC(CC)COP(=O)(OCC(CC)CCCC)OCC(CC)CCCC GTVWRXDRKAHEAD-UHFFFAOYSA-N 0.000 claims 1
- 229920001522 polyglycol ester Polymers 0.000 claims 1
- 235000010215 titanium dioxide Nutrition 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 12
- 230000007797 corrosion Effects 0.000 abstract description 12
- 230000000052 comparative effect Effects 0.000 description 14
- 238000012360 testing method Methods 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 5
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 5
- 239000008199 coating composition Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 4
- FIXLYHHVMHXSCP-UHFFFAOYSA-H azane;dihydroxy(dioxo)molybdenum;trioxomolybdenum;tetrahydrate Chemical compound N.N.N.N.N.N.O.O.O.O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O FIXLYHHVMHXSCP-UHFFFAOYSA-H 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000012378 ammonium molybdate tetrahydrate Substances 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- BSWXAWQTMPECAK-UHFFFAOYSA-N 6,6-diethyloctyl dihydrogen phosphate Chemical compound CCC(CC)(CC)CCCCCOP(O)(O)=O BSWXAWQTMPECAK-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 229920004482 WACKER® Polymers 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000010407 anodic oxide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on 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; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
本发明公开了一种耐高温有机硅涂料,其包括有机硅树脂、低熔点玻璃粉、纳米添加剂、填料及助剂,通过将有机硅树脂、低熔点玻璃粉、纳米添加剂、填料及助剂进行混合,将混合物放入研磨分散多用机的研钵中研磨,经研磨后,过滤混合物,获得混合均匀的产品。本发明中,二氧化钼和低熔点玻璃粉对涂层的耐高温性能影响较大,二氧化钼和改性低熔点玻璃粉协同有机硅树脂,可提高涂料的耐高温性能及防腐性能。
Description
技术领域
本发明涉及耐高温有机硅涂料技术领域,具体涉及一种耐高温有机硅涂料。
背景技术
在钢结构和大型机械设备以及各种高炉、壁炉、锅炉、热风炉、排气管、换热器、油气田管道等都有需要采用耐高温涂层防护。
大多数有机涂料在200℃以上就会受热断键分解或产生其他副反应,耐高温涂层通常是指在200℃以上的温度下不会变色或剥离漆膜,仍能保持适当的物理机械性能的涂料,是使被保护对象在高温环境中仍能正常发挥作用的特种功能性涂料。
环氧树脂是具有附着力强,力学性能高,耐酸耐碱性强、漆膜坚韧,耐磨等的优点,应用广泛,但是其在高温下发生分子链断裂、重新交联,会造成涂层失效,无法满足高温环境下防腐需求,耐候性差,在长久的日照环境下,漆膜易发生粉化,韧性差,容易发生胺白现象。涂料聚氨酯树脂具有良好的耐水性、耐磨性、耐久性、柔软性,还有高硬度等优点,可以低温固化,缺点是价格昂贵、有使用期限、做底漆需要喷砂处理的底材。
发明内容
本发明的目的就是通过配方设计提高基础树脂的耐高温性能,以增加在翅片型铝材换热器的使用寿命,从而达到耐高温防腐的目的。
为实现上述目的,本发明的技术方案是提供了
一种耐高温有机硅涂料,其包括有机硅树脂、低熔点玻璃粉、纳米添加剂、填料及助剂,通过将有机硅树脂、纳米添加剂、填料及助剂进行混合,将混合物放入研磨分散多用机的研钵中研磨,经过4至5小时的研磨后,过滤混合物,获得混合均匀的产品。
进一步的,其还包括二甲苯,通过在上述研磨后的混合物中加入二甲苯来调节涂料的粘度。
进一步的,所述有机硅树脂选用瓦克Ren60。
进一步的,所述填料包括钛白粉或高钛粉、绢云母粉、硅灰石矿纤及气相二氧化硅中的至少一种及以上。
进一步的,所述助剂选用附着力促进剂MP-200或SiC-6655Fl中的一种或两种。
进一步的,所述纳米添加剂为二氧化钼。
进一步的,按重量份,所述涂料包括有机硅树脂30-60份、低熔点玻璃粉1-5份、二氧化钼1-5份、高钛粉2-10份、绢云母粉5-15份、硅灰石矿纤2-4份、气相二氧化硅0-0.75份、SiC-6655Fl附着力促进剂0-1份、二甲苯3-10份。
进一步的,所述二硫化钼制备方法如下:把四水钼酸铵与硫脲溶解在去离子水中,搅拌混合,而后将混合后的溶液转移到高压反应釜中,在150-250℃下加热15-25小时,然后冷却至室温,得到黑色产物;之后离心洗涤、干燥,得到干燥黑色二硫化钼粉末。
进一步的,所述低熔点玻璃粉为经改性处理的低熔点玻璃粉,所述改性低熔点玻璃粉的制备步骤如下:
(1)将低熔点玻璃粉与分散剂混合并加入到水中,而后在水浴中加热搅拌;
(2)在步骤(1)中再加入硬脂酸和偶联剂,并用玻璃棒适当搅拌,保证混合物均匀;
(3)将烧杯放置在磁力搅拌器中水浴加热搅拌,并保持温度恒定在80-120℃,持续时间为1-3h;最后,将充分混合的溶液经过抽滤和干燥,得到改性后的低熔点玻璃粉。
进一步的,所述分散剂采用六偏磷酸钠、三乙基己基磷酸、脂肪酸聚乙二醇酯或聚丙烯酸酯类中的一种或多种。
进一步的,所述低熔点玻璃粉为经改性处理的低熔点玻璃粉,所述改性低熔点玻璃粉的制备步骤如下:
(1)按重量份,将20-30份低熔点玻璃粉与2-5份六偏磷酸钠混合并加入到80-100份水中,而后在70-90℃水浴中加热搅拌12-18h;
(2)在步骤(1)中再加入1-5份硬脂酸和2-8份偶联剂,并用玻璃棒适当搅拌30分钟,保证混合物均匀;
(3)将烧杯放置在磁力搅拌器中水浴加热搅拌,并保持温度恒定在100℃,持续时间为1.5h;最后,将充分混合的溶液经过抽滤和干燥,得到改性后的低熔点玻璃粉。
进一步的,所述偶联剂为硅烷偶联剂,选自KH550、KH560、KH570、KH792、DL602、DL171中的一种;优选硅烷偶联剂KH570。
本发明的优点和有益效果在于:
本发明中,二氧化钼和低熔点玻璃粉对涂层的耐高温性能影响较大,二氧化钼和改性低熔点玻璃粉协同有机硅树脂,可提高涂料的耐高温性能及防腐性能;气相二氧化硅、绢云母粉对涂层的耐高温性能起到补强的作用;硅灰石矿纤对涂层起到了增韧的作用;附着力促进剂的加入对涂料附着力和分散性都起到一定的改善作用。本发明在有机硅树脂、二氧化钼及改性低熔点玻璃粉的协同复配下,可有效提高涂料的耐高温性能及防腐性能。
具体实施方式
下面结合实施例,对本发明的具体实施方式作进一步描述。以下实施例仅用于更加清楚地说明本发明的技术方案,而不能以此来限制本发明的保护范围。
有机硅树脂Ren60:固体质量分数60%,德国瓦克公司;
绢云母粉,徐州万桥绢云母厂;
钛白粉R-95,上海凯茵化工有限公司;
硅灰石矿纤,江西奥特科技有限公司;
低熔点玻璃粉,灵寿县硕隆矿产;
高钛粉,湖南新威凌新材料有限公司;
气相二氧化硅H30RM,德国瓦克公司;
马弗炉,S-2.5-12,天津市中环试验电炉有限公司;电热鼓风干燥箱DHG-9030B。
(一)涂料制备
实施例1-3各组分的重量份,如下表所示:
实施例1 | 实施例2 | 实施例3 | |
有机硅树脂 | 30 | 45 | 60 |
二氧化钼 | 5 | 8 | 1 |
低熔点玻璃粉 | 1 | 5 | 2.5 |
气相二氧化硅 | 0.75 | 0.2 | 0.5 |
高钛粉 | 10 | 8 | 2 |
绢云母粉 | 15 | 7.5 | 5 |
硅灰石矿纤 | 2.5 | 3 | 2 |
SiC-6655Fl | 1 | 1 | 0.5 |
二甲苯 | 3 | 8.5 | 10 |
对比例1-6各组分的重量份,如下表所示:
其中,实施例1-3及对比例1-4中,有机硅树脂采用瓦克Ren60;对比例5中,有机硅树脂采用陶氏道康宁RSN-0805。实施例1-3及对比例1-5中,低熔点玻璃粉均为改性低熔点玻璃粉,对比例6采用的未改性低熔点玻璃粉。
实施例1-3及对比例1-6的制备工艺如下:
将有机硅树脂、低熔点玻璃粉、二氧化钼、高钛粉、绢云母粉、硅灰石矿纤、气相二氧化硅、SiC-6655Fl附着力促进剂进行混合,将混合物放入研磨分散多用机的研钵中研磨,经过5小时的研磨后,过滤混合物,获得混合均匀的产品。
其中,二硫化钼粉末制备:使用水热法合成二硫化钼粉末。把1mmol四水钼酸铵(NH4)6Mo7O24·4H2O与30mmol硫脲(SC(NH2)2)溶解在35mL去离子水中,搅拌30分钟得到混合溶液,把溶液转移到50ml特氟龙内衬的高压反应釜中。在200℃下加热18小时,然后冷却至室温,得到黑色产物。使用去离子水和无水乙醇对黑色产物进行多次离心洗涤,然后在60℃干燥12小时,得到干燥黑色二硫化钼粉末。
实施例1-3及对比例1-5中,所述低熔点玻璃粉为经改性处理的低熔点玻璃粉,所述改性低熔点玻璃粉的制备步骤如下:
(1)按重量份,将25份低熔点玻璃粉与3份六偏磷酸钠混合并加入到80份水中,而后在90℃水浴中加热搅拌15h;
(2)在步骤(1)中再加入3份硬脂酸和5份硅烷偶联剂KH570,并用玻璃棒适当搅拌30分钟,保证混合物均匀;
(3)将烧杯放置在磁力搅拌器中水浴加热搅拌,并保持温度恒定在100℃,持续时间为1.5h;最后,将充分混合的溶液经过抽滤、60℃干燥5h,得到改性后的低熔点玻璃粉。
(二)涂层的制备
将实施例及对比例制备的涂料经下述方法制备涂层,其具体制备方法如下:
涂层的制备包括金属预处理、涂层的滴涂和高温烘烤固化。
金属预处理:指将铝材浸泡在强碱性溶液中(1mol/L的NaOH溶液),以产生浸蚀反应。该过程的目的是彻底去除表面污垢并清除铝表面的天然氧化膜,从而呈现出纯净的金属基体。为随后阳极氧化均匀导电、生成均匀阳极氧化膜打下良好的基础表面。
涂装方式:采取直接滴涂的方式将涂料淋到铝片表面。等待其表面干燥。
高温处理:将滴涂耐高温涂料的铝片置于马弗炉中,高温烘烤固化200℃1h。
(三)性能测试
将上述制备得到的涂层进行性能测试,具体如下:
耐高温性能测试:把试样置于马弗炉中,以50℃/min升至300-1100℃保温2h,放置冷却,待降至室温(25℃)后观察涂层是否产生开层、起皮、鼓泡、裂开等现象,记录涂层不开裂不起泡的温度。
耐腐蚀性:
耐酸测试:将涂有被测试涂料的试片放入25℃50%HCl溶液中;
耐碱测试:将涂有被测试涂料的试片放入25℃80%NaOH溶液中;每隔60min后观察涂层表面的情况,看涂层是否出现腐蚀,起泡,龟裂等异常情况来评估涂料的耐腐蚀性能。
实施例1-实施例3、对比例1-6所对应的的样板涂层检测结果如下表所示:
结合实施例2与对比例1-3可知,当涂料成分中未添加二氧化钼(对比例1)、未添加改性低熔点玻璃粉(对比例2)时,其耐热性能及耐腐蚀性能均较未添加气相二氧化硅(对比例3)的低,而对比例4中,二氧化钼和改性低熔点玻璃粉均未添加时,其耐高温性能及耐腐蚀性能最差,可见同时添加有二氧化钼、改性低熔点玻璃粉、气相二氧化硅的涂料,其耐高温性能及耐腐蚀性能最佳。此外,通过实施例2与对比例6可知,采用改性后的低熔点玻璃粉,其耐高温性能及耐腐蚀性能得到很大提高。
本发明中,二氧化钼和低熔点玻璃粉对涂层的耐高温性能影响较大,二氧化钼和改性低熔点玻璃粉协同有机硅树脂,可提高涂料的耐高温性能及防腐性能;气相二氧化硅、绢云母粉对涂层的耐高温性能起到补强的作用;硅灰石矿纤对涂层起到了增韧的作用;附着力促进剂的加入对涂料附着力和分散性都起到一定的改善作用。本发明在有机硅树脂、二氧化钼及改性低熔点玻璃粉的协同复配下,可有效提高涂料的耐高温性能及防腐性能。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明技术原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (10)
1.一种耐高温有机硅涂料,其特征在于,其包括有机硅树脂、低熔点玻璃粉、纳米添加剂、填料及助剂,通过将有机硅树脂、纳米添加剂、填料及助剂进行混合,将混合物放入研磨分散多用机的研钵中研磨,经研磨后,过滤混合物,获得混合均匀的产品。
2.根据权利要求1所述的一种耐高温有机硅涂料,其特征在于,其还包括二甲苯,通过在上述研磨后的混合物中加入二甲苯来调节涂料的粘度。
3.根据权利要求2所述的一种耐高温有机硅涂料,其特征在于,所述有机硅树脂选用瓦克Ren60。
4.根据权利要求3所述的一种耐高温有机硅涂料,其特征在于,所述填料包括钛白粉、高钛粉、绢云母粉、硅灰石矿纤及气相二氧化硅中的至少一种及以上。
5.根据权利要求4所述的一种耐高温有机硅涂料,其特征在于,所述助剂选用附着力促进剂MP-200或SiC-6655Fl中的一种或两种。
6.根据权利要求5所述的一种耐高温有机硅涂料,其特征在于,所述纳米添加剂为二氧化钼。
7.根据权利要求6所述的一种耐高温有机硅涂料,其特征在于,按重量份,所述涂料包括有机硅树脂30-60份、低熔点玻璃粉1-5份、二氧化钼1-8份、高钛粉2-10份、绢云母粉5-15份、硅灰石矿纤2-4份、气相二氧化硅0-0.75份、SiC-6655Fl附着力促进剂0-1份、二甲苯3-10份。
8.根据权利要求1所述的一种耐高温有机硅涂料,其特征在于,所述低熔点玻璃粉为经改性处理的低熔点玻璃粉,所述改性低熔点玻璃粉的制备步骤如下:
(1)将低熔点玻璃粉与分散剂混合并加入到水中,而后在水浴中加热搅拌;
(2)在步骤(1)中再加入硬脂酸及偶联剂,并用玻璃棒适当搅拌,保证混合物均匀;
(3)将烧杯放置在磁力搅拌器中水浴加热搅拌,并保持温度恒定在80-120℃,持续时间为1-3h;最后,将充分混合的溶液经过抽滤和干燥,得到改性后的低熔点玻璃粉。
9.根据权利要求8所述的一种耐高温有机硅涂料,其特征在于,所述分散剂采用六偏磷酸钠、三乙基己基磷酸、脂肪酸聚乙二醇酯或聚丙烯酸酯类中的一种或多种。
10.根据权利要求8所述的一种耐高温有机硅涂料,其特征在于,所述偶联剂为硅烷偶联剂。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310747704.4A CN116640509B (zh) | 2023-06-25 | 2023-06-25 | 一种耐高温有机硅涂料 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310747704.4A CN116640509B (zh) | 2023-06-25 | 2023-06-25 | 一种耐高温有机硅涂料 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN116640509A true CN116640509A (zh) | 2023-08-25 |
CN116640509B CN116640509B (zh) | 2024-06-18 |
Family
ID=87623079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202310747704.4A Active CN116640509B (zh) | 2023-06-25 | 2023-06-25 | 一种耐高温有机硅涂料 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN116640509B (zh) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11279488A (ja) * | 1998-03-30 | 1999-10-12 | Sankyu Inc | 耐熱塗料組成物 |
JP2000063760A (ja) * | 1998-08-21 | 2000-02-29 | Osaka Gas Co Ltd | エンジン、タービン用耐熱コーティング組成物 |
JP2000265116A (ja) * | 1999-03-15 | 2000-09-26 | Osaka Gas Co Ltd | 耐熱コーティング材料 |
WO2001009260A1 (en) * | 1999-07-30 | 2001-02-08 | Ppg Industries Ohio, Inc. | Coating compositions having improved scratch resistance, coated substrates and methods related thereto |
KR101643769B1 (ko) * | 2016-01-28 | 2016-07-29 | 김태헌 | 내열 도료 조성물 |
CN106715621A (zh) * | 2014-09-26 | 2017-05-24 | 中国涂料株式会社 | 防锈涂料组合物及其用途 |
CN106944101A (zh) * | 2017-05-03 | 2017-07-14 | 淮北师范大学 | 一步法制备氮掺杂二硫化钼纳米片的方法 |
CN109054528A (zh) * | 2018-09-11 | 2018-12-21 | 在邦润滑材料(上海)有限公司 | 一种发动机轴瓦涂覆专用润滑耐磨涂料及其制备方法 |
US20190030516A1 (en) * | 2017-07-25 | 2019-01-31 | Central China Normal University | Monatomic metal-doped few-layer molybdenum disulfide electrocatalytic material, preparing method thereof, and method for electrocatalytic nitrogen fixation |
CN215030578U (zh) * | 2021-05-11 | 2021-12-07 | 佛山市南伽科技有限公司 | 一种防腐疏水涂料涂覆装置及其控制系统 |
-
2023
- 2023-06-25 CN CN202310747704.4A patent/CN116640509B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11279488A (ja) * | 1998-03-30 | 1999-10-12 | Sankyu Inc | 耐熱塗料組成物 |
JP2000063760A (ja) * | 1998-08-21 | 2000-02-29 | Osaka Gas Co Ltd | エンジン、タービン用耐熱コーティング組成物 |
JP2000265116A (ja) * | 1999-03-15 | 2000-09-26 | Osaka Gas Co Ltd | 耐熱コーティング材料 |
WO2001009260A1 (en) * | 1999-07-30 | 2001-02-08 | Ppg Industries Ohio, Inc. | Coating compositions having improved scratch resistance, coated substrates and methods related thereto |
CN106715621A (zh) * | 2014-09-26 | 2017-05-24 | 中国涂料株式会社 | 防锈涂料组合物及其用途 |
KR101643769B1 (ko) * | 2016-01-28 | 2016-07-29 | 김태헌 | 내열 도료 조성물 |
CN106944101A (zh) * | 2017-05-03 | 2017-07-14 | 淮北师范大学 | 一步法制备氮掺杂二硫化钼纳米片的方法 |
US20190030516A1 (en) * | 2017-07-25 | 2019-01-31 | Central China Normal University | Monatomic metal-doped few-layer molybdenum disulfide electrocatalytic material, preparing method thereof, and method for electrocatalytic nitrogen fixation |
CN109054528A (zh) * | 2018-09-11 | 2018-12-21 | 在邦润滑材料(上海)有限公司 | 一种发动机轴瓦涂覆专用润滑耐磨涂料及其制备方法 |
CN215030578U (zh) * | 2021-05-11 | 2021-12-07 | 佛山市南伽科技有限公司 | 一种防腐疏水涂料涂覆装置及其控制系统 |
Non-Patent Citations (4)
Title |
---|
张先亮等: "《精细化学品化学》", vol. 3, 30 September 2021, 武汉:武汉大学出版社, pages: 358 * |
杜淼等: "二硫化钼纳米片制备技术研究进展", 化工新型材料, vol. 48, no. 02, 15 February 2020 (2020-02-15), pages 37 - 40 * |
裴蕾: "非烘干型耐高温漆的制备及性能", 《化学与黏合》, vol. 40, no. 04, 31 August 2018 (2018-08-31), pages 278 - 280 * |
邢声远等: "《棉纺织保全手册》", vol. 1, 31 August 1980, 北京:纺织工业出版社, pages: 448 * |
Also Published As
Publication number | Publication date |
---|---|
CN116640509B (zh) | 2024-06-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2016082610A1 (zh) | 一种耐高温抗沾污结渣陶瓷涂料及其制备方法和应用 | |
CN101130663B (zh) | 有机硅耐高温防腐蚀涂料 | |
CN111073504A (zh) | 一种陶瓷涂料及其制备方法 | |
CN114525078B (zh) | 一种水性改性有机硅耐高温防腐涂料及其制备方法 | |
CN113061358B (zh) | 一种抗渗透长效防腐涂料及其制备方法和应用 | |
JP2016529337A (ja) | 耐高温性粉体被覆の組成物、その調製方法、及びその使用 | |
CN116640509B (zh) | 一种耐高温有机硅涂料 | |
CN113292901A (zh) | 用于高炉煤气发电机叶片的防腐涂料及其制备方法和用途 | |
CN110951287B (zh) | 一种耐高温陶瓷涂料及其制备方法 | |
CN1051184A (zh) | 导电基片涂覆方法和阳离子胺改性环氧树脂制备方法 | |
CN109054633A (zh) | 一种耐高温防腐涂料及其制备方法 | |
CN112094514B (zh) | 一种水性陶瓷涂料及其制备方法 | |
CN108276864A (zh) | 一种磷酸酯/聚氨酯改性水性醇酸防腐涂料 | |
US20070224431A1 (en) | Heat resistant powder coatings | |
CN113861838A (zh) | 一种水性有机硅防腐涂料及其制备方法 | |
CN109705729A (zh) | 一种有机无机改性耐高温防腐耐磨涂料 | |
CN114539922B (zh) | 一种钛合金用抗冲刷辐射防热涂层及其制备方法和应用 | |
WO2022191055A1 (ja) | 溶融性フッ素樹脂プライマー | |
CN107011746A (zh) | 一种变压器用耐高温涂料及其制备方法 | |
CN112280470A (zh) | 一种石墨烯增强耐热防腐涂料及其制备方法 | |
CN113502096A (zh) | 一种自交联及烧结交联制备低成本彩色水性超耐高温涂料及其制备方法和使用方法 | |
CN108088792B (zh) | 一种中间垢样及其制备方法与应用 | |
KR101844580B1 (ko) | 내열 부식 저항성이 우수한 세라믹계 복합 습식 코팅제 및 이의 제조방법 | |
CN112442328A (zh) | 粘结剂及其制备方法和应用 | |
CN110230655A (zh) | 风力发电机用偏航刹车片及其制备方法 |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant |