WO2018036422A1 - Revêtement anticorrosion de composite de graphène blanc modifié et préparation correspondante - Google Patents

Revêtement anticorrosion de composite de graphène blanc modifié et préparation correspondante Download PDF

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Publication number
WO2018036422A1
WO2018036422A1 PCT/CN2017/098063 CN2017098063W WO2018036422A1 WO 2018036422 A1 WO2018036422 A1 WO 2018036422A1 CN 2017098063 W CN2017098063 W CN 2017098063W WO 2018036422 A1 WO2018036422 A1 WO 2018036422A1
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parts
white graphene
modified white
anticorrosive coating
resin
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PCT/CN2017/098063
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English (en)
Chinese (zh)
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段曦东
赵涛楠
毛志浩
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广东纳路纳米科技有限公司
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Publication of WO2018036422A1 publication Critical patent/WO2018036422A1/fr

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    • 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
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • 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
    • C08K3/38—Boron-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
    • C08K9/04—Ingredients treated with organic substances
    • 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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • 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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C09D163/10—Epoxy resins modified by unsaturated 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
    • 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
    • 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
    • C08K3/38—Boron-containing compounds
    • C08K2003/382—Boron-containing compounds and nitrogen
    • C08K2003/385—Binary compounds of nitrogen with boron

Definitions

  • the invention relates to the technical field of materials, in particular to a modified white graphene composite anticorrosive coating and a preparation thereof.
  • Metal materials occupy an important position in human life.
  • metal structural parts are highly corrosive due to constant contact with high temperature gas, moisture and smoke, thus significantly reducing the mechanical properties of metal materials and destroying the geometry of metal structural parts. Shorten the service life of the equipment and cause huge economic losses. Therefore, finding effective technical means to achieve the anti-corrosion of metal materials has become the focus of attention of all countries in the world.
  • Anti-corrosion coating is the best material to protect metal structural parts from corrosion at low cost. It is mainly used in various anti-corrosion environments such as construction industry, steel facilities, railway bridges, oil pipelines, ships and marine engineering. Since the anticorrosive coating separates the metal structural member from the external environment, the anticorrosive coating is required to have excellent adhesion, high temperature resistance, salt spray resistance, abrasion resistance and mechanical strength. However, the existing anticorrosive coatings are susceptible to failure under the influence of high temperature, high humidity, light, acid rain and the like, thereby losing the antiseptic effect on the equipment.
  • a modified white graphene composite anticorrosive coating the raw material comprises: 18-68.5 parts of matrix resin by weight, 5-20 parts of pigment filler, 0.4-1.5 parts of dispersant, 0.1-0.5 parts of antifoaming agent, 20-30 parts of solvent, 1-20 parts of modified white graphene, 0-10 parts of curing agent.
  • the matrix resin comprises one or more of an epoxy resin, an alkyd resin, a saturated polyester, and an acrylic resin;
  • the pigment filler comprises one or more of titanium white powder, carbon black, iron oxide red, indigo blue, medium chromium yellow, talc powder, calcium carbonate and barium sulfate;
  • the dispersing agent includes one of a synthetic polymer, a polyvalent carboxylic acid, and a silicate;
  • the antifoaming agent includes one of a silicone type and an acrylate type
  • the solvent includes one or more of water, a mixed solvent of xylene/n-butanol/ethyl acetate, propylene glycol methyl ether, and a ketone;
  • the curing agent includes one of an amine resin, a polyisocyanate resin, and an amino resin.
  • the preparation of the modified white graphene composite anticorrosive coating of the invention comprises:
  • Step 1) Preparation of modified white graphene: 5-10 layers of white graphene are treated with a surfactant to obtain a modified white graphene dispersion;
  • Step 2) dissolving the matrix resin, the pigment filler, the dispersing agent and the antifoaming agent in a solvent to obtain a matrix resin solution; and stirring the modified white graphene dispersion obtained in the step 1) with the matrix resin solution; The curing agent is stirred and mixed uniformly to prepare the anticorrosive coating.
  • the surfactant treatment method of the step 1) is to soak for 24 hours in an aqueous solution of a surfactant having a mass concentration of 0.1%.
  • the surfactant according to the step 1) includes one of a long-chain Lewis base, a long-chain Lewis acid, a quaternary ammonium compound, a sulfonate, and a nonionic surfactant.
  • the long-chain Lewis base is an amine
  • the long-chain Lewis acid is a borane
  • the quaternary ammonium compound is an alkyltrimethyl quaternary ammonium salt, an alkyldimethylbenzyl quaternary ammonium salt, One of dialkyl dimethyl quaternary ammonium salts
  • the sulfonate is sodium dodecyl benzene sulfonate, sodium dodecyl sulfonate, lignosulfonic acid One of sodium or sodium glycocholate
  • the nonionic surfactant is one of a polyether, a polyester, a polyvinyl alcohol, and a cellulose derivative.
  • the modified white graphene has good gas barrier properties and high strength.
  • the modified white graphene of atomic thickness can further reduce the coating thickness, increase the adhesion to the substrate, and improve the resistance of the coating. Grinding performance, salt spray resistance and mechanical strength without affecting other properties;
  • the anticorrosive coating of the invention has higher anticorrosive performance than the existing heavy anticorrosive coating, and has a real green environmental protection function, and can be widely applied to coating protection in the fields of marine engineering, transportation, large industrial equipment and municipal engineering facilities.
  • white graphene is widely used in metal anti-corrosion because of its unique properties.
  • white graphene is a single layer or a small layer of hexagonal boron nitride. It has a two-dimensional characteristic of the atomic thickness of graphene. It has a strong ability to block gases and can form a physical barrier layer between the metal structural member and the active medium to prevent diffusion and penetration.
  • white graphene has chemical inertness and thermal stability, and can be stable under the influence of high temperature, high humidity, light, acid rain and other factors.
  • white graphene has very high strength and is not available in common coatings. Abrasion resistance and mechanical strength.
  • the invention adopts the modified white graphene to be used in the anticorrosive coating, and can greatly improve various functions of the anticorrosive coating.
  • Step 1) Preparation of modified white graphene: 5-10 layers of white graphene with 0.1% long chain borane water The solution was immersed for 24 hours to obtain a long chain borane-modified white graphene solution.
  • Step 2 Dissolve 43.9 parts of alkyd resin, 12 parts of calcium carbonate, 7.5 parts of titanium dioxide, 0.5 part of carbon black, 1 part of BYK UMEN, 0.1 part of BYK 065 in 25 parts of xylene/n-butanol/ethyl acetate mixed solvent
  • the base resin solution is uniformly obtained by stirring; the 5 parts of the modified white graphene dispersion prepared in the step 1) and the above-mentioned base resin solution are uniformly stirred to obtain a high-performance alkyd resin anticorrosive paint of the composite modified white graphene.
  • Step 1) Preparation of modified white graphene: 5-10 layers of white graphene were soaked in a 0.1% aqueous oleylamine solution for 24 hours to obtain an oleylamine-modified white graphene solution.
  • Step 2) 33 parts of epoxy modified acrylic resin, 12 parts of barium sulfate, 8 parts of iron oxide red, 1.5 parts of Tego 740W, 0.5 parts of Tego 810 are dissolved in 30 parts of water and stirred to obtain a matrix resin; Step 1) is obtained.
  • the 10 parts of the modified white graphene dispersion and the above-mentioned base resin liquid are uniformly stirred to obtain a high performance epoxy modified acrylic resin anticorrosive coating of the composite modified white graphene.
  • Step 1) Preparation of modified white graphene: 5-10 layers of white graphene were soaked with 0.1% sodium dodecyl sulfate for 24 hours to obtain a long-chain borane-modified white graphene solution.
  • Step 2 Dissolve 43.9 parts of epoxy resin, 12 parts of talc, 8 parts of iron oxide red, 1 part of BYK P-104, 0.1 part of BYK 066N in 20 parts of xylene/n-butanol/ethyl acetate mixed solvent. Uniform; 15 parts of the modified white graphene dispersion prepared in step 1) and the epoxy resin solution are uniformly stirred; 10 parts of diethylenetriamine is further added, and the mixture is uniformly stirred to obtain a high composite modified white graphene. Performance epoxy resin anti-corrosion coating.
  • Step 1) Preparation of modified white graphene: 5-10 layers of white graphene were soaked in a 0.1% aqueous solution of polyvinyl alcohol for 24 hours to obtain an oleylamine-modified white graphene solution.
  • Step 2 20 parts epoxy emulsion, 6 parts talc, 6 parts barium sulfate, 2 parts indigo blue, 4 parts titanium White powder, 1.5 parts BYK 155/35, 0.5 parts Tego 810 dissolved in 30 parts of water and stirred uniformly; 20 parts of the modified white graphene dispersion prepared in step 1) is mixed with the epoxy resin solution, and stirred evenly; A Dow EH-3 curing agent (containing 70% by mass of poly-methylenecyclohexylamine) is stirred and mixed uniformly to obtain a high performance waterborne epoxy anticorrosive coating of composite modified white graphene.
  • a Dow EH-3 curing agent containing 70% by mass of poly-methylenecyclohexylamine
  • the present invention and the comparative sample were subjected to performance tests, and the comparative samples included Comparative Examples 1-4, and the formulations and preparation methods used in Comparative Examples 1-4 were the same as those in Examples 1-4, respectively, the only difference being No modified white graphene was added.
  • Table 1 shows the performance parameters of the high performance anticorrosive coating prepared in Examples 1-4 and the white graphene-free coating prepared in Comparative Examples 1-4:
  • the preparation method of the present invention can greatly improve the salt spray resistance, adhesion and mechanical strength of the anticorrosive coating.

Abstract

L'invention concerne un revêtement anticorrosion de composite de graphène blanc modifié, dont les matières premières comprennent, sur base de parties en poids : 18-68,5 parties d'une résine de matrice, 5-20 parties d'une charge colorée, 0,4-1,5 partie d'un dispersant, 0,1-0,5 partie d'un antimousse, 20-30 parties d'un solvant, 1-20 parties de graphène blanc et 0-10 parties d'un agent de durcissement.
PCT/CN2017/098063 2016-08-22 2017-08-18 Revêtement anticorrosion de composite de graphène blanc modifié et préparation correspondante WO2018036422A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610705377.6 2016-08-22
CN201610705377.6A CN106243943B (zh) 2016-08-22 2016-08-22 一种改性白石墨烯复合防腐涂料及其制备

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WO2018036422A1 true WO2018036422A1 (fr) 2018-03-01

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CN (1) CN106243943B (fr)
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CN111423801A (zh) * 2019-01-10 2020-07-17 沈阳化工研究院有限公司 一种化工污水池用水性纳米重防腐涂层及其制备
CN113265185A (zh) * 2021-05-24 2021-08-17 广州市上善纳米材料有限公司 一种自修复石墨烯复合钛纳米重防腐材料及其制备和使用方法
CN113777174A (zh) * 2021-08-20 2021-12-10 湖北省建筑科学研究设计院股份有限公司 一种用于建筑或桥梁钢结构的超声波探伤耦合剂及其制备方法
CN114044880A (zh) * 2021-09-28 2022-02-15 昆明国松特种涂料有限公司 一种聚碳酸酯类环氧树脂、一种无溶剂防腐涂料及应用
CN114517047A (zh) * 2022-03-03 2022-05-20 江南大学 一种水性环氧-改性氧化石墨烯纳米复合涂层的制备方法
CN114921145A (zh) * 2022-06-10 2022-08-19 洛阳大豫实业有限公司 一种改性石墨烯防腐涂料及其制备方法
CN115232530A (zh) * 2022-08-17 2022-10-25 山东玉皇新能源科技有限公司 一种水性石墨烯基复合防腐涂料及其制备方法
CN115491128A (zh) * 2022-08-31 2022-12-20 山东之诺新材料科技有限公司 Jjy-1石墨烯改性耐高温抗磨损重防腐纳米陶瓷涂料的配方
CN117089256A (zh) * 2023-10-19 2023-11-21 北京易净星科技有限公司 一种用于公路护栏的高性能防护漆及制备方法

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CN108276877B (zh) * 2018-01-05 2019-12-27 广东纳路纳米科技有限公司 一种含改性白石墨烯的复合防垢涂料及其应用
CN108219628B (zh) * 2018-01-09 2024-02-02 河北晨阳工贸集团有限公司 一种耐海洋腐蚀的航空发动机去离子水漆及其制备方法
CN108585634A (zh) * 2018-05-04 2018-09-28 砺剑防务技术集团有限公司 氮化硼耐高温防腐涂料及其制备方法
CN108659671B (zh) * 2018-05-14 2020-06-09 重庆中科检测技术服务有限公司 一种木质素/石墨烯基复合防腐涂层及其制备方法与应用
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CN109880483A (zh) * 2019-02-20 2019-06-14 朱冬梅 一种双组分环氧树脂复合耐磨涂料
CN110484116A (zh) * 2019-08-30 2019-11-22 西北工业大学 六方氮化硼聚氨酯防腐涂料及其制备方法、防腐涂层

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Publication number Priority date Publication date Assignee Title
CN111423801A (zh) * 2019-01-10 2020-07-17 沈阳化工研究院有限公司 一种化工污水池用水性纳米重防腐涂层及其制备
CN113265185A (zh) * 2021-05-24 2021-08-17 广州市上善纳米材料有限公司 一种自修复石墨烯复合钛纳米重防腐材料及其制备和使用方法
CN113265185B (zh) * 2021-05-24 2022-02-11 广州市上善纳米材料有限公司 一种自修复石墨烯复合钛纳米重防腐材料及其制备和使用方法
CN113777174A (zh) * 2021-08-20 2021-12-10 湖北省建筑科学研究设计院股份有限公司 一种用于建筑或桥梁钢结构的超声波探伤耦合剂及其制备方法
CN114044880B (zh) * 2021-09-28 2024-01-09 昆明国松特种涂料有限公司 一种聚碳酸酯类环氧树脂、一种无溶剂防腐涂料及应用
CN114044880A (zh) * 2021-09-28 2022-02-15 昆明国松特种涂料有限公司 一种聚碳酸酯类环氧树脂、一种无溶剂防腐涂料及应用
CN114517047A (zh) * 2022-03-03 2022-05-20 江南大学 一种水性环氧-改性氧化石墨烯纳米复合涂层的制备方法
CN114921145A (zh) * 2022-06-10 2022-08-19 洛阳大豫实业有限公司 一种改性石墨烯防腐涂料及其制备方法
CN114921145B (zh) * 2022-06-10 2023-07-18 洛阳大豫实业有限公司 一种改性石墨烯防腐涂料及其制备方法
CN115232530A (zh) * 2022-08-17 2022-10-25 山东玉皇新能源科技有限公司 一种水性石墨烯基复合防腐涂料及其制备方法
CN115232530B (zh) * 2022-08-17 2024-02-23 山东玉皇新能源科技有限公司 一种水性石墨烯基复合防腐涂料及其制备方法
CN115491128A (zh) * 2022-08-31 2022-12-20 山东之诺新材料科技有限公司 Jjy-1石墨烯改性耐高温抗磨损重防腐纳米陶瓷涂料的配方
CN117089256A (zh) * 2023-10-19 2023-11-21 北京易净星科技有限公司 一种用于公路护栏的高性能防护漆及制备方法

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