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WO2022041937A1 - High-flash-point industrial polyurethane anticorrosive top coat - Google Patents

High-flash-point industrial polyurethane anticorrosive top coat Download PDF

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Publication number
WO2022041937A1
WO2022041937A1 PCT/CN2021/099687 CN2021099687W WO2022041937A1 WO 2022041937 A1 WO2022041937 A1 WO 2022041937A1 CN 2021099687 W CN2021099687 W CN 2021099687W WO 2022041937 A1 WO2022041937 A1 WO 2022041937A1
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weight
component
parts
flash
corrosion
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PCT/CN2021/099687
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French (fr)
Chinese (zh)
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谢海
胡明
钱金均
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江苏冠军科技集团股份有限公司
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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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • 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
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

Definitions

  • the invention relates to the technical field of industrial anti-corrosion coatings, in particular to a high-flash point industrial polyurethane anti-corrosion topcoat.
  • Anti-corrosion material is a material that inhibits chemical corrosion and electrochemical corrosion of the anti-corrosion object.
  • the anti-corrosion materials commonly used in installation projects mainly include various organic and inorganic coatings, glass fiber reinforced plastics, rubber products, inorganic sheets, etc.
  • the coatings can be divided into two categories: oil-based paint (film-forming substance is drying oil) and resin-based paint Lacquer (film-forming substance is synthetic resin).
  • the coating is applied to the surface of the object by a certain coating method, and after curing, a thin coating is formed, so as to protect the surface of equipment, pipelines and metal structures from the corrosion of chemical atmosphere and media such as acid and alkali.
  • polyurethane anti-corrosion topcoat is the main material for industrial anti-corrosion.
  • Polyurethane topcoat is a two-component polyurethane anti-corrosion topcoat composed of synthetic resin, coloring pigment and curing agent, which has good chemical resistance and water resistance. , but its flash point is low, the flash point of component A and component B are both below 25 °C, when the environment reaches a certain temperature, the mixture of topcoat vapor and surrounding air will occur once it comes into contact with an open flame. Flash burning phenomenon, so it belongs to dangerous goods, which is unfavorable for production, transportation and use.
  • the present invention provides a high flash point industrial polyurethane anti-corrosion topcoat.
  • the present invention is simple to prepare and easy to use.
  • the flash point of the topcoat is increased by a certain proportion of the flash point enhancer, so as to solve the problems of low flash point, transportation and trouble of the topcoat. Problems such as storage security hidden dangers have opened up a new way and have extensive promotion value.
  • the present invention provides the following technical solutions:
  • the invention provides a flash point enhancer, which includes five functional components, specifically a component for improving intermolecular force, a component for increasing boiling point, a component for increasing density, a component for reducing saturated vapor pressure and a surface film-forming flame retardant component. component;
  • the components for improving the intermolecular force are C10-C20 terpenes and C16-C18 fatty soaps;
  • Described boiling point raising component is organophosphorus compound, Cx unsaturated fatty acid
  • the density-enhancing component is an organic halogenated hydrocarbon, and the organic halogenated hydrocarbon includes an organic chloride;
  • the components for reducing the saturated vapor pressure are C12-C14 anthracenes and C10-C12 naphthalenes;
  • the surface film-forming flame retardant components are C4-Cx pyrrolidone and C16-C18 fatty soap.
  • the present invention provides a high-flash point industrial polyurethane anti-corrosion topcoat which is prepared from a main paint component A and a curing agent component B in a weight ratio of 5:1, wherein the main paint component A includes: 30- 40 parts by weight of high-solid low-viscosity thermoplastic hydroxy acrylic resin, 10-20 parts by weight of stearic acid modified polyurethane resin, 20-25 parts by weight of pigments and fillers, 0.5-1 parts by weight of thickener, 1-1.5 parts by weight parts by weight of wetting and dispersing agent, 0.1-0.3 parts by weight of defoamer, 4-8 parts by weight of cosolvent, 0.1-0.5 parts by weight of ultraviolet absorber, 5-10 parts by weight of debenzene solvent and 0.1-0.5 parts by weight of parts of a flash point enhancer; the curing agent component B includes: 80-90 parts by weight of an isocyanate curing agent and 10-20 parts by weight of a dilute solvent.
  • preparation method of the high flash point industrial polyurethane anti-corrosion topcoat comprises the following steps:
  • Step 1 prepare A component
  • Step 2 prepare component B
  • component B After the water-based isocyanate curing agent and the dilute solvent are mixed and dispersed uniformly in proportion, they are packaged according to the packaging specifications to obtain component B;
  • Step 3 Blend the A component and the B component in a weight ratio of 5:1 to obtain a high flash point industrial polyurethane anti-corrosion topcoat.
  • the flash point enhancer includes five functional components, specifically a component for improving intermolecular force, a component for increasing boiling point, a component for increasing density, a component for reducing saturated vapor pressure, and a surface film-forming flame retardant component. ;
  • the components for improving intermolecular force are C10-C20 terpenes or C16-C18 fatty soaps;
  • the boiling point-raising component is an organophosphorus compound or a Cx unsaturated fatty acid
  • the density-enhancing component is an organic halogenated hydrocarbon, and the organic halogenated hydrocarbon includes an organic chloride;
  • the component for reducing the saturated vapor pressure is C12-C14 anthracene or C10-C12 naphthalene;
  • the surface film-forming flame retardant component is C4-Cx pyrrolidone or C16-C18 fatty soap.
  • the preparation of the high-solid and low-viscosity thermoplastic hydroxy acrylic resin is to combine 15 parts by weight of ethyl methacrylate, 10 parts by weight of hydroxyethyl acrylate, 20 parts by weight of hydroxyethyl methacrylate, 20 parts by weight of The methyl acrylate, 30 parts by weight of styrene and 4.5 parts by weight of di-tert-amyl peroxide were mixed, heated at 125 °C for 6 h, cooled to 90 °C, added with 0.5 parts by weight of hydroquinone, extracted Residual monomers were removed by vacuum to obtain high solid and low viscosity thermoplastic hydroxy acrylic resin.
  • the method of using the high-flash point industrial polyurethane anti-corrosion topcoat described in the above technical solution or the high-flash point industrial polyurethane anti-corrosion topcoat obtained by the preparation method described in the above technical solution comprises the following steps: Add 5% to 15% of debenzene solvent to the polyurethane anti-corrosion topcoat for dilution, and then use it for construction after diluting and stirring evenly.
  • the construction method is spraying, rolling or brushing.
  • the high flash point industrial polyurethane anti-corrosion topcoat of the present invention is simple to prepare and convenient to use, and the flash point of the topcoat is increased by a certain proportion of the flash point enhancer, in order to solve the low flash point of the topcoat and the hidden dangers of transportation and storage safety.
  • the big and other problems have opened up a new way and have extensive promotion value.
  • Fig. 1 is the performance index comparison result table of the high flash point industrial polyurethane anti-corrosion topcoat of the present invention.
  • the high-flash point industrial polyurethane anti-corrosion topcoat of the present invention is prepared from the main paint component A and the curing agent component B in a weight ratio of 5:1, wherein the component A includes: 30-40 parts by weight of high-solid low-density Viscous thermoplastic hydroxy acrylic resin, 10-20 parts by weight of stearic acid modified polyurethane resin, 20-25 parts by weight of pigments and fillers, 0.5-1 parts by weight of thickener, 1-1.5 parts by weight of wetting and dispersing agent, 0.1-0.3 parts by weight of defoamer, 4-8 parts by weight of cosolvent, 0.1-0.5 parts by weight of ultraviolet absorber, 5-10 parts by weight of debenzene solvent and 0.1-0.5 parts by weight of flash point improver; Component B includes: 80-90 parts by weight of isocyanate curing agent and 10-20 parts by weight of dilute solvent.
  • the preparation method of high flash point industrial polyurethane anti-corrosion topcoat comprises the following steps:
  • Step 1 Prepare component A; add 1/2 debenzene solvent and wetting and dispersing agent into the dispersing kettle, stir at low speed for 5-10 minutes; add 1/3 defoaming agent while stirring; at the same time slowly add 1/2 auxiliary The solvent is then stirred at a speed of 900r/min for 8-10 minutes, and the pigments, fillers and UV absorbers are added while stirring, and then stirred at a speed of 800r/min for 15-20 minutes.
  • the high-solid and low-viscosity thermoplastic hydroxyl Add the acrylic resin into the paint mixing kettle, stir evenly at 300 r/min, and slowly add the abrasive during stirring; under stirring at 500 r/min, slowly add 2/3 of the defoamer, flash point enhancer, 1/2 cosolvent and 1/2 of benzene removal solvent, each auxiliary agent is separated for 3-5 minutes, slowly add thickener under stirring, and stir at 500r/min for 10-15 minutes. After all inspection items are qualified, filter to obtain A component;
  • Step 2 prepare component B
  • the water-based isocyanate curing agent and the dilute solvent are mixed and dispersed uniformly in proportion and then packaged according to the packaging specifications to obtain component B;
  • Step 3 Blend the A component and the B component in a weight ratio of 5:1 to obtain a high flash point industrial polyurethane anti-corrosion topcoat.
  • the preparation method of high flash point industrial polyurethane anti-corrosion topcoat comprises the following steps:
  • hydroxy acrylic resin 20 parts by weight of ethyl methacrylate, 5 parts by weight of hydroxyethyl acrylate, 30 parts by weight of hydroxyethyl methacrylate, 10 parts by weight of methyl acrylate, 30 parts by weight of mixed with 4.5 parts by weight of di-tert-amyl peroxide, heated at 125 °C for 6 h, cooled to 90 °C, added 0.5 parts by weight of hydroquinone, and vacuumed to remove residual monomers to obtain hydroxyl Acrylic.
  • flash point enhancer it includes five functional components, specifically, components that improve intermolecular forces (C10-C20 terpenes, C16-C18 fatty soaps), and components that increase boiling point (organophosphorus compounds, Cx unsaturated fatty acids), density-enhancing components (organic chlorides, organic halogenated hydrocarbons), reducing saturated vapor pressure components (C12-C14 anthracenes, C10-C12 naphthalenes) and surface film-forming flame retardant components (C4 ⁇ Cx pyrrolidone, C16 ⁇ C18 fatty soap).
  • C10-C20 terpenes C16-C18 fatty soaps
  • components that increase boiling point organophosphorus compounds, Cx unsaturated fatty acids
  • density-enhancing components organic chlorides, organic halogenated hydrocarbons
  • reducing saturated vapor pressure components C12-C14 anthracenes, C10-C12 naphthalenes
  • surface film-forming flame retardant components C4 ⁇ Cx
  • Step 3 Blend the A component and the B component according to the weight ratio of 5:1 to prepare a high-flash point industrial polyurethane anti-corrosion topcoat.
  • the dilution and stirring can be used for construction, and the construction method is spraying, rolling or brushing.
  • the preparation method of high flash point industrial polyurethane anti-corrosion topcoat comprises the following steps:
  • hydroxy acrylic resin 15 parts by weight of ethyl methacrylate, 10 parts by weight of hydroxyethyl acrylate, 20 parts by weight of hydroxyethyl methacrylate, 20 parts by weight of methyl acrylate, 30 parts by weight of mixed with 4.5 parts by weight of di-tert-amyl peroxide, heated at 125 °C for 6 h, cooled to 90 °C, added 0.5 parts by weight of hydroquinone, and vacuumed to remove residual monomers to obtain hydroxyl Acrylic.
  • flash point enhancer it includes five functional components, specifically, components that improve intermolecular forces (C10-C20 terpenes, C16-C18 fatty soaps), and components that increase boiling point (organophosphorus compounds, Cx unsaturated fatty acids), density-enhancing components (organic chlorides, organic halogenated hydrocarbons), reducing saturated vapor pressure components (C12-C14 anthracenes, C10-C12 naphthalenes) and surface film-forming flame retardant components (C4 ⁇ Cx pyrrolidone, C16 ⁇ C18 fatty soap).
  • C10-C20 terpenes C16-C18 fatty soaps
  • components that increase boiling point organophosphorus compounds, Cx unsaturated fatty acids
  • density-enhancing components organic chlorides, organic halogenated hydrocarbons
  • reducing saturated vapor pressure components C12-C14 anthracenes, C10-C12 naphthalenes
  • surface film-forming flame retardant components C4 ⁇ Cx
  • Step 3 Blend the A component and the B component according to the weight ratio of 5:1 to prepare a high-flash point industrial polyurethane anti-corrosion topcoat. During construction, add 5% ⁇ Dilute with 15% debenzene solvent, dilute and stir evenly and then use for construction. The construction method is spraying, rolling or brushing.
  • the preparation method of high flash point industrial polyurethane anti-corrosion topcoat comprises the following steps:
  • hydroxy acrylic resin 25 parts by weight of ethyl methacrylate, 5 parts by weight of hydroxyethyl acrylate, 25 parts by weight of hydroxyethyl methacrylate, 15 parts by weight of methyl acrylate, 25 parts by weight of mixed with 4.5 parts by weight of di-tert-amyl peroxide, heated at 125 °C for 6 h, cooled to 90 °C, added 0.5 parts by weight of hydroquinone, and vacuumed to remove residual monomers to obtain hydroxyl Acrylic.
  • flash point enhancer it includes five functional components, specifically, components that improve intermolecular forces (C10-C20 terpenes, C16-C18 fatty soaps), and components that increase boiling point (organophosphorus compounds, Cx unsaturated fatty acids), density-enhancing components (organic chlorides, organic halogenated hydrocarbons), reducing saturated vapor pressure components (C12-C14 anthracenes, C10-C12 naphthalenes) and surface film-forming flame retardant components (C4 ⁇ Cx pyrrolidone, C16 ⁇ C18 fatty soap).
  • C10-C20 terpenes C16-C18 fatty soaps
  • components that increase boiling point organophosphorus compounds, Cx unsaturated fatty acids
  • density-enhancing components organic chlorides, organic halogenated hydrocarbons
  • reducing saturated vapor pressure components C12-C14 anthracenes, C10-C12 naphthalenes
  • surface film-forming flame retardant components C4 ⁇ Cx
  • Step 3 Blend the A component and the B component according to the weight ratio of 5:1 to prepare a high-flash point industrial polyurethane anti-corrosion topcoat. During construction, add 5% ⁇ Dilute with 15% debenzene solvent, dilute and stir evenly and then use for construction. The construction method is spraying, rolling or brushing.
  • the high-flash-point industrial polyurethane anti-corrosion topcoat of the invention is simple to prepare and convenient to use, and the flash point of the topcoat is increased by a certain proportion of the flashpoint enhancer, which opens up the possibility of solving the problems of low flash point of the topcoat and great hidden dangers in transportation and storage. A new way with extensive promotion value.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
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Abstract

Provided is a flash point enhancer, comprising five functional components: a component to increase intermolecular force, a component to increase boiling point, a component to increase density, a component to reduce saturated vapor pressure, and a surface film-forming flame retardant component. Provided are a high-flash-point industrial polyurethane anticorrosive top coat comprises the flash point enhancer and a method for use thereof, said top coat being formulated by a main paint A component and a curing agent B component in a weight ratio of 5:1, the A component comprising: 30-40 parts by weight of high-solid, low-viscosity thermoplastic hydroxyl acrylic resin, 10-20 parts by weight of stearic acid modified polyurethane resin, 20-25 parts by weight of pigment and filler, 0.5-1 parts by weight of thickener, 1-1.5 parts by weight of wetting and dispersing agent, 0.1-0.3 parts by weight of defoamant, 4-8 parts by weight of co-solvent, 0.1-0.5 parts by weight of ultraviolet absorber, 5-10 parts by weight of debenzene solvent, and 0.1-0.5 parts by weight of flash point enhancer; the B component comprises: 80-90 parts by weight of isocyanate curing agent and 10-20 parts by weight of diluent solvent.

Description

高闪点工业用聚氨酯防腐面漆High flash point industrial polyurethane anti-corrosion topcoat
本申请要求于2020年08月25日提交中国专利局、申请号为CN202010862265.8、发明名称为“高闪点工业用聚氨酯防腐面漆”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims the priority of the Chinese patent application with the application number CN202010862265.8 and the invention name "High Flash Point Industrial Polyurethane Anticorrosion Topcoat", which was submitted to the China Patent Office on August 25, 2020, the entire contents of which are incorporated by reference in this application.
技术领域technical field
本发明涉及工业防腐涂料技术领域，特别涉及高闪点工业用聚氨酯防腐面漆。The invention relates to the technical field of industrial anti-corrosion coatings, in particular to a high-flash point industrial polyurethane anti-corrosion topcoat.
背景技术Background technique
防腐材料是抑制被防腐对象发生化学腐蚀和电化学腐蚀的一种材料。在安装工程中常用的防腐材料主要有各种有机和无机涂料、玻璃钢、橡胶制品、无机板材等，涂料可分为两大类：油基漆(成膜物质为干性油类)和树脂基漆(成膜物质为合成树脂)。涂料是通过一定的涂覆方法涂在物体表面，经过固化而形成薄涂层，从而保护设备、管道和金属结构等表面免受化工大气及酸、碱等介质的腐蚀作用。Anti-corrosion material is a material that inhibits chemical corrosion and electrochemical corrosion of the anti-corrosion object. The anti-corrosion materials commonly used in installation projects mainly include various organic and inorganic coatings, glass fiber reinforced plastics, rubber products, inorganic sheets, etc. The coatings can be divided into two categories: oil-based paint (film-forming substance is drying oil) and resin-based paint Lacquer (film-forming substance is synthetic resin). The coating is applied to the surface of the object by a certain coating method, and after curing, a thin coating is formed, so as to protect the surface of equipment, pipelines and metal structures from the corrosion of chemical atmosphere and media such as acid and alkali.
目前聚氨酯防腐面漆是工业防腐的主要材料，聚氨酯面漆是以合成树脂为基料，、与着色颜料和固化剂组成的双组分聚氨酯防腐面漆，具有良好的耐化学品性和耐水性，但是其闪点较低，A组分闪点和B组分闪点均在25℃以下，当环境达到某温度时，面漆的蒸汽和周围空气的混合气，一旦与明火接触，即发生闪燃现象，因此属于危险品，这对生产、运输和使用均不利。At present, polyurethane anti-corrosion topcoat is the main material for industrial anti-corrosion. Polyurethane topcoat is a two-component polyurethane anti-corrosion topcoat composed of synthetic resin, coloring pigment and curing agent, which has good chemical resistance and water resistance. , but its flash point is low, the flash point of component A and component B are both below 25 ℃, when the environment reaches a certain temperature, the mixture of topcoat vapor and surrounding air will occur once it comes into contact with an open flame. Flash burning phenomenon, so it belongs to dangerous goods, which is unfavorable for production, transportation and use.
由此可见，提供一种高闪点工业用聚氨酯防腐面漆是本领域亟需解决的问题。It can be seen that it is an urgent problem to be solved in the art to provide a high flash point industrial polyurethane anti-corrosion topcoat.
发明内容SUMMARY OF THE INVENTION
针对上述问题，本发明提供高闪点工业用聚氨酯防腐面漆，本发明制备简单、使用方便，通过一定比例的闪点提高剂增加面漆的闪点，为解决面漆闪点低、运输和存储安全隐患大等难题开辟了一种新途经，具有广泛的推广价值。In view of the above problems, the present invention provides a high flash point industrial polyurethane anti-corrosion topcoat. The present invention is simple to prepare and easy to use. The flash point of the topcoat is increased by a certain proportion of the flash point enhancer, so as to solve the problems of low flash point, transportation and trouble of the topcoat. Problems such as storage security hidden dangers have opened up a new way and have extensive promotion value.
为解决上述问题，本发明提供了以下技术方案：To solve the above problems, the present invention provides the following technical solutions:
本发明提供了一种闪点提高剂，包括五种功能组分，具体为提高分子间作用力组分、提高沸点组分、提高密度组分、降低饱和蒸气压组分及表面成膜阻燃组分；The invention provides a flash point enhancer, which includes five functional components, specifically a component for improving intermolecular force, a component for increasing boiling point, a component for increasing density, a component for reducing saturated vapor pressure and a surface film-forming flame retardant component. component;
所述提高分子间作用力组分为C10～C20萜类、C16～C18脂肪皂；The components for improving the intermolecular force are C10-C20 terpenes and C16-C18 fatty soaps;
所述提高沸点组分为有机磷系化合物、Cx不饱和脂肪酸；Described boiling point raising component is organophosphorus compound, Cx unsaturated fatty acid;
所述提高密度组分为有机卤代烃，所述有机卤代烃包括有机氯化物；The density-enhancing component is an organic halogenated hydrocarbon, and the organic halogenated hydrocarbon includes an organic chloride;
所述降低饱和蒸气压组分为C12～C14蒽类、C10～C12萘类；The components for reducing the saturated vapor pressure are C12-C14 anthracenes and C10-C12 naphthalenes;
所述表面成膜阻燃组分为C4～Cx吡咯酮、C16～C18脂肪皂。The surface film-forming flame retardant components are C4-Cx pyrrolidone and C16-C18 fatty soap.
本发明提供一种高闪点工业用聚氨酯防腐面漆由主漆A组分和固化剂B组分按照5：1的重量比调配而成，其中，所述主漆A组分包括：30-40重量份的高固低粘热塑性羟基丙烯酸树脂、10-20重量份的硬脂酸改性聚氨酯树脂、20-25重量份的颜填料、0.5-1重量份的增稠剂、1-1.5重量份的润湿分散剂、0.1-0.3重量份的消泡剂、4-8重量份的助溶剂、0.1-0.5重量份的紫外线吸收剂、5-10重量份的脱苯溶剂和0.1-0.5重量份的闪点提高剂；所述固化剂B组分包括：80-90重量份的异氰酸酯固化剂和10-20重量份的开稀溶剂。The present invention provides a high-flash point industrial polyurethane anti-corrosion topcoat which is prepared from a main paint component A and a curing agent component B in a weight ratio of 5:1, wherein the main paint component A includes: 30- 40 parts by weight of high-solid low-viscosity thermoplastic hydroxy acrylic resin, 10-20 parts by weight of stearic acid modified polyurethane resin, 20-25 parts by weight of pigments and fillers, 0.5-1 parts by weight of thickener, 1-1.5 parts by weight parts by weight of wetting and dispersing agent, 0.1-0.3 parts by weight of defoamer, 4-8 parts by weight of cosolvent, 0.1-0.5 parts by weight of ultraviolet absorber, 5-10 parts by weight of debenzene solvent and 0.1-0.5 parts by weight of parts of a flash point enhancer; the curing agent component B includes: 80-90 parts by weight of an isocyanate curing agent and 10-20 parts by weight of a dilute solvent.
进一步的，所述高闪点工业用聚氨酯防腐面漆的制备方法包括以下步骤：Further, the preparation method of the high flash point industrial polyurethane anti-corrosion topcoat comprises the following steps:
步骤一：制备A组分；Step 1: prepare A component;
将1/2脱苯溶剂和润湿分散剂加入分散釜中，低速搅拌5-10分钟；边搅拌边加入1/3消泡剂；同时缓慢加入1/2助溶剂，接着以900r/min的转速搅拌8-10分钟，边搅拌边加入颜填料和紫外线吸收剂，之后再以800r/min的转速搅拌15-20分钟，搅拌完成后将高固低粘热塑性羟基丙烯酸树脂加入调漆釜中，300r/min搅拌均匀，搅拌中慢慢加入上磨料；在500r/min搅拌下，缓慢加入2/3的消泡剂、闪点提高剂、1/2助溶剂和1/2脱苯溶剂(每种助剂间隔3-5分钟)，在搅拌下缓慢加入增稠剂，500r/min搅拌10-15分钟；待各项检验项目合格后，过滤得到A组分；Add 1/2 debenzene solvent and wetting and dispersing agent into the dispersing tank, stir at low speed for 5-10 minutes; add 1/3 defoaming agent while stirring; at the same time slowly add 1/2 cosolvent, then at 900r/min. Stir at the rotating speed for 8-10 minutes, add pigments, fillers and UV absorbers while stirring, and then stir at a speed of 800 r/min for 15-20 minutes. Stir evenly at 300 r/min, and slowly add the abrasive during stirring; under stirring at 500 r/min, slowly add 2/3 of the defoamer, flash point enhancer, 1/2 cosolvent and 1/2 debenzene solvent (each Auxiliary agent interval 3-5 minutes), slowly add thickener under stirring, and stir at 500r/min for 10-15 minutes; after each inspection item is qualified, filter to obtain A component;
步骤二：制备B组分；Step 2: prepare component B;
将水性异氰酸酯固化剂与开稀溶剂按比例混合分散均匀后按包装规 格分装，得到B组分；After the water-based isocyanate curing agent and the dilute solvent are mixed and dispersed uniformly in proportion, they are packaged according to the packaging specifications to obtain component B;
步骤三：将A组分与B组分按照5：1的重量比进行勾兑得到高闪点工业用聚氨酯防腐面漆。Step 3: Blend the A component and the B component in a weight ratio of 5:1 to obtain a high flash point industrial polyurethane anti-corrosion topcoat.
进一步的，所述闪点提高剂包括五种功能组分，具体为提高分子间作用力组分、提高沸点组分、提高密度组分、降低饱和蒸气压组分及表面成膜阻燃组分；Further, the flash point enhancer includes five functional components, specifically a component for improving intermolecular force, a component for increasing boiling point, a component for increasing density, a component for reducing saturated vapor pressure, and a surface film-forming flame retardant component. ;
所述提高分子间作用力组分为C10～C20萜类或C16～C18脂肪皂；The components for improving intermolecular force are C10-C20 terpenes or C16-C18 fatty soaps;
所述提高沸点组分为有机磷系化合物或Cx不饱和脂肪酸；The boiling point-raising component is an organophosphorus compound or a Cx unsaturated fatty acid;
所述提高密度组分为有机卤代烃，所述有机卤代烃包括有机氯化物；The density-enhancing component is an organic halogenated hydrocarbon, and the organic halogenated hydrocarbon includes an organic chloride;
所述降低饱和蒸气压组分为C12～C14蒽类或C10～C12萘类；The component for reducing the saturated vapor pressure is C12-C14 anthracene or C10-C12 naphthalene;
所述表面成膜阻燃组分为C4～Cx吡咯酮或C16～C18脂肪皂。The surface film-forming flame retardant component is C4-Cx pyrrolidone or C16-C18 fatty soap.
进一步的，所述高固低粘热塑性羟基丙烯酸树脂的制备是将15重量份的甲基丙烯酸乙酯、10重量份的丙烯酸羟乙酯、20重量份的甲基丙烯酸羟乙酯、20重量份的丙烯酸甲酯、30重量份的苯乙烯和4.5重量份的过氧化二叔戊基混合，在125℃温度下进行加热反应6h，降温至90℃，加入0.5重量份的对苯二酚，抽真空除去残留单体，得到高固低粘热塑性羟基丙烯酸树脂。Further, the preparation of the high-solid and low-viscosity thermoplastic hydroxy acrylic resin is to combine 15 parts by weight of ethyl methacrylate, 10 parts by weight of hydroxyethyl acrylate, 20 parts by weight of hydroxyethyl methacrylate, 20 parts by weight of The methyl acrylate, 30 parts by weight of styrene and 4.5 parts by weight of di-tert-amyl peroxide were mixed, heated at 125 °C for 6 h, cooled to 90 °C, added with 0.5 parts by weight of hydroquinone, extracted Residual monomers were removed by vacuum to obtain high solid and low viscosity thermoplastic hydroxy acrylic resin.
进一步的，上述技术方案所述的高闪点工业用聚氨酯防腐面漆或上述技术方案所述制备方法得到的高闪点工业用聚氨酯防腐面漆的使用方法，包括以下步骤：在高闪点工业用聚氨酯防腐面漆中加入5％～15％的脱苯溶剂进行稀释，稀释搅拌均匀后用于施工。Further, the method of using the high-flash point industrial polyurethane anti-corrosion topcoat described in the above technical solution or the high-flash point industrial polyurethane anti-corrosion topcoat obtained by the preparation method described in the above technical solution comprises the following steps: Add 5% to 15% of debenzene solvent to the polyurethane anti-corrosion topcoat for dilution, and then use it for construction after diluting and stirring evenly.
进一步的，所述施工方式为喷涂、滚涂或刷涂。Further, the construction method is spraying, rolling or brushing.
再者，本发明高闪点工业用聚氨酯防腐面漆本发明制备简单、使用方便，通过一定比例的闪点提高剂增加面漆的闪点，为解决面漆闪点低、运输和存储安全隐患大等难题开辟了一种新途经，具有广泛的推广价值。Furthermore, the high flash point industrial polyurethane anti-corrosion topcoat of the present invention is simple to prepare and convenient to use, and the flash point of the topcoat is increased by a certain proportion of the flash point enhancer, in order to solve the low flash point of the topcoat and the hidden dangers of transportation and storage safety. The big and other problems have opened up a new way and have extensive promotion value.
说明书附图Instruction drawings
图1是本发明高闪点工业用聚氨酯防腐面漆的性能指标比对结果表。Fig. 1 is the performance index comparison result table of the high flash point industrial polyurethane anti-corrosion topcoat of the present invention.
具体实施方式detailed description
下面结合实施例和附图对本发明进一步说明。The present invention will be further described below with reference to the embodiments and accompanying drawings.
本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是附图中的方向，只是用来解释和说明本发明，而不是用来限定本发明的保护范围。The directional terms mentioned in the present invention, such as "up", "down", "front", "rear", "left", "right", "inside", "outside", "side", etc., are only attached The directions in the figures are only used to explain and illustrate the present invention, rather than to limit the protection scope of the present invention.
本发明高闪点工业用聚氨酯防腐面漆由主漆A组分和固化剂B组分按照5：1的重量比调配而成，其中，A组分包括：30-40重量份的高固低粘热塑性羟基丙烯酸树脂、10-20重量份的硬脂酸改性聚氨酯树脂、20-25重量份的颜填料、0.5-1重量份的增稠剂、1-1.5重量份的润湿分散剂、0.1-0.3重量份的消泡剂、4-8重量份的助溶剂、0.1-0.5重量份的紫外线吸收剂、5-10重量份的脱苯溶剂和0.1-0.5重量份的闪点提高剂；B组分包括：80-90重量份的异氰酸酯固化剂和10-20重量份的开稀溶剂。The high-flash point industrial polyurethane anti-corrosion topcoat of the present invention is prepared from the main paint component A and the curing agent component B in a weight ratio of 5:1, wherein the component A includes: 30-40 parts by weight of high-solid low-density Viscous thermoplastic hydroxy acrylic resin, 10-20 parts by weight of stearic acid modified polyurethane resin, 20-25 parts by weight of pigments and fillers, 0.5-1 parts by weight of thickener, 1-1.5 parts by weight of wetting and dispersing agent, 0.1-0.3 parts by weight of defoamer, 4-8 parts by weight of cosolvent, 0.1-0.5 parts by weight of ultraviolet absorber, 5-10 parts by weight of debenzene solvent and 0.1-0.5 parts by weight of flash point improver; Component B includes: 80-90 parts by weight of isocyanate curing agent and 10-20 parts by weight of dilute solvent.
高闪点工业用聚氨酯防腐面漆的制备方法包括以下步骤：The preparation method of high flash point industrial polyurethane anti-corrosion topcoat comprises the following steps:
步骤一：制备A组分；将1/2脱苯溶剂和润湿分散剂加入分散釜中，低速搅拌5-10分钟；边搅拌边加入1/3消泡剂；同时缓慢加入1/2助溶剂，接着以900r/min的转速搅拌8-10分钟，边搅拌边加入颜填料和紫外线吸收剂，之后再以800r/min的转速搅拌15-20分钟，搅拌完成后将高固低粘热塑性羟基丙烯酸树脂加入调漆釜中，300r/min搅拌均匀，搅拌中慢慢加入上磨料；在500r/min搅拌下，缓慢加入2/3的消泡剂、闪点提高剂、1/2助溶剂和1/2脱苯溶剂，每种助剂间隔3-5分钟，在搅拌下缓慢加入增稠剂，500r/min搅拌10-15分钟。待各项检验项目合格后，过滤得到A组分；Step 1: Prepare component A; add 1/2 debenzene solvent and wetting and dispersing agent into the dispersing kettle, stir at low speed for 5-10 minutes; add 1/3 defoaming agent while stirring; at the same time slowly add 1/2 auxiliary The solvent is then stirred at a speed of 900r/min for 8-10 minutes, and the pigments, fillers and UV absorbers are added while stirring, and then stirred at a speed of 800r/min for 15-20 minutes. After stirring, the high-solid and low-viscosity thermoplastic hydroxyl Add the acrylic resin into the paint mixing kettle, stir evenly at 300 r/min, and slowly add the abrasive during stirring; under stirring at 500 r/min, slowly add 2/3 of the defoamer, flash point enhancer, 1/2 cosolvent and 1/2 of benzene removal solvent, each auxiliary agent is separated for 3-5 minutes, slowly add thickener under stirring, and stir at 500r/min for 10-15 minutes. After all inspection items are qualified, filter to obtain A component;
步骤二：制备B组分；Step 2: prepare component B;
将水性异氰酸酯固化剂与开稀溶剂按比例混合分散均匀后按包装规格分装，得到B组分；The water-based isocyanate curing agent and the dilute solvent are mixed and dispersed uniformly in proportion and then packaged according to the packaging specifications to obtain component B;
步骤三：将A组分与B组分按照5：1的重量比进行勾兑得到高闪点工业用聚氨酯防腐面漆。Step 3: Blend the A component and the B component in a weight ratio of 5:1 to obtain a high flash point industrial polyurethane anti-corrosion topcoat.
下面根据本发明的技术方案列举三个实施例，三个实施例可以更详细的解释本发明，公开本发明的目的旨在保护本发明范围内的一切变化和改进。The following three embodiments are listed according to the technical solution of the present invention. The three embodiments can explain the present invention in more detail, and the purpose of disclosing the present invention is to protect all changes and improvements within the scope of the present invention.
实施例1Example 1
高闪点工业用聚氨酯防腐面漆的制备方法包括以下步骤：The preparation method of high flash point industrial polyurethane anti-corrosion topcoat comprises the following steps:
步骤一：A组分的制备Step 1: Preparation of Component A
1.羟基丙烯酸树脂的制备：将20重量份的甲基丙烯酸乙酯、5重量份的丙烯酸羟乙酯、30重量份的甲基丙烯酸羟乙酯、10重量份的丙烯酸甲酯、30重量份的苯乙烯和4.5重量份的过氧化二叔戊基混合，在125℃温度下进行加热反应6h，降温至90℃，加入0.5重量份的对苯二酚，抽真空除去残留单体，得到羟基丙烯酸树脂。1. Preparation of hydroxy acrylic resin: 20 parts by weight of ethyl methacrylate, 5 parts by weight of hydroxyethyl acrylate, 30 parts by weight of hydroxyethyl methacrylate, 10 parts by weight of methyl acrylate, 30 parts by weight of mixed with 4.5 parts by weight of di-tert-amyl peroxide, heated at 125 °C for 6 h, cooled to 90 °C, added 0.5 parts by weight of hydroquinone, and vacuumed to remove residual monomers to obtain hydroxyl Acrylic.
2.闪点提高剂的制备：其包括五种功能组分，具体为提高分子间作用力组分(C10～C20萜类、C16～C18脂肪皂)、提高沸点组分(有机磷系化合物、Cx不饱和脂肪酸)、提高密度组分(有机氯化物、有机卤代烃)、降低饱和蒸气压组分(C12～C14蒽类、C10～C12萘类)及表面成膜阻燃组分(C4～Cx吡咯酮、C16～C18脂肪皂)。2. Preparation of flash point enhancer: it includes five functional components, specifically, components that improve intermolecular forces (C10-C20 terpenes, C16-C18 fatty soaps), and components that increase boiling point (organophosphorus compounds, Cx unsaturated fatty acids), density-enhancing components (organic chlorides, organic halogenated hydrocarbons), reducing saturated vapor pressure components (C12-C14 anthracenes, C10-C12 naphthalenes) and surface film-forming flame retardant components (C4 ~Cx pyrrolidone, C16~C18 fatty soap).
步骤二：B组分的制备Step 2: Preparation of Component B
将80重量份的水性异氰酸酯固化剂及20重量份的开稀溶剂一同放进分散搅拌机中分散均匀，出料并经过滤包装，制备得B组分。Put 80 parts by weight of the water-based isocyanate curing agent and 20 parts by weight of the dilute solvent together into a dispersing mixer to disperse evenly, discharge and filter and pack to prepare component B.
步骤三：将A组分与B组分按照5：1的重量比进行勾兑，制备出高闪点工业用聚氨酯防腐面漆，施工时在高闪点工业用聚氨酯防腐面漆中加入5％～15％的脱苯溶剂进行稀释，稀释搅拌均匀即可用于施工，施工方式采用喷涂、滚涂或刷涂。Step 3: Blend the A component and the B component according to the weight ratio of 5:1 to prepare a high-flash point industrial polyurethane anti-corrosion topcoat. During construction, add 5%~ 15% debenzene solvent for dilution, the dilution and stirring can be used for construction, and the construction method is spraying, rolling or brushing.
实施例2Example 2
高闪点工业用聚氨酯防腐面漆的制备方法包括以下步骤：The preparation method of high flash point industrial polyurethane anti-corrosion topcoat comprises the following steps:
步骤一：A组分的制备Step 1: Preparation of Component A
1.羟基丙烯酸树脂的制备：将15重量份的甲基丙烯酸乙酯、10重量份的丙烯酸羟乙酯、20重量份的甲基丙烯酸羟乙酯、20重量份的丙烯酸甲酯、30重量份的苯乙烯和4.5重量份的过氧化二叔戊基混合，在125℃温度下进行加热反应6h，降温至90℃，加入0.5重量份的对苯二酚，抽真空除去残留单体，得到羟基丙烯酸树脂。1. Preparation of hydroxy acrylic resin: 15 parts by weight of ethyl methacrylate, 10 parts by weight of hydroxyethyl acrylate, 20 parts by weight of hydroxyethyl methacrylate, 20 parts by weight of methyl acrylate, 30 parts by weight of mixed with 4.5 parts by weight of di-tert-amyl peroxide, heated at 125 °C for 6 h, cooled to 90 °C, added 0.5 parts by weight of hydroquinone, and vacuumed to remove residual monomers to obtain hydroxyl Acrylic.
2.闪点提高剂的制备：其包括五种功能组分，具体为提高分子间作用力组分(C10～C20萜类、C16～C18脂肪皂)、提高沸点组分(有机磷系化合物、Cx不饱和脂肪酸)、提高密度组分(有机氯化物、有机卤代烃)、降低饱和蒸气压组分(C12～C14蒽类、C10～C12萘类)及表面成膜阻燃 组分(C4～Cx吡咯酮、C16～C18脂肪皂)。2. Preparation of flash point enhancer: it includes five functional components, specifically, components that improve intermolecular forces (C10-C20 terpenes, C16-C18 fatty soaps), and components that increase boiling point (organophosphorus compounds, Cx unsaturated fatty acids), density-enhancing components (organic chlorides, organic halogenated hydrocarbons), reducing saturated vapor pressure components (C12-C14 anthracenes, C10-C12 naphthalenes) and surface film-forming flame retardant components (C4 ~Cx pyrrolidone, C16~C18 fatty soap).
步骤二：B组分的制备Step 2: Preparation of Component B
将75重量份的水性异氰酸酯固化剂及25重量份的开稀溶剂一同放进分散搅拌机中分散均匀，出料并经过滤包装，制备得B组分。Put 75 parts by weight of water-based isocyanate curing agent and 25 parts by weight of dilute solvent together into a dispersing mixer to disperse evenly, discharge and filter and pack to prepare component B.
步骤三：将A组分与B组分按照5：1的重量比进行勾兑，制备出高闪点工业用聚氨酯防腐面漆，施工时在高闪点工业用聚氨酯防腐面漆中加入5％～15％的脱苯溶剂进行稀释，稀释搅拌均匀即可用于施工，施工方式采用喷涂、滚涂或刷涂。Step 3: Blend the A component and the B component according to the weight ratio of 5:1 to prepare a high-flash point industrial polyurethane anti-corrosion topcoat. During construction, add 5%~ Dilute with 15% debenzene solvent, dilute and stir evenly and then use for construction. The construction method is spraying, rolling or brushing.
实施例3Example 3
高闪点工业用聚氨酯防腐面漆的制备方法包括以下步骤：The preparation method of high flash point industrial polyurethane anti-corrosion topcoat comprises the following steps:
步骤一：A组分的制备Step 1: Preparation of Component A
1.羟基丙烯酸树脂的制备：将25重量份的甲基丙烯酸乙酯、5重量份的丙烯酸羟乙酯、25重量份的甲基丙烯酸羟乙酯、15重量份的丙烯酸甲酯、25重量份的苯乙烯和4.5重量份的过氧化二叔戊基混合，在125℃温度下进行加热反应6h，降温至90℃，加入0.5重量份的对苯二酚，抽真空除去残留单体，得到羟基丙烯酸树脂。1. Preparation of hydroxy acrylic resin: 25 parts by weight of ethyl methacrylate, 5 parts by weight of hydroxyethyl acrylate, 25 parts by weight of hydroxyethyl methacrylate, 15 parts by weight of methyl acrylate, 25 parts by weight of mixed with 4.5 parts by weight of di-tert-amyl peroxide, heated at 125 °C for 6 h, cooled to 90 °C, added 0.5 parts by weight of hydroquinone, and vacuumed to remove residual monomers to obtain hydroxyl Acrylic.
2.闪点提高剂的制备：其包括五种功能组分，具体为提高分子间作用力组分(C10～C20萜类、C16～C18脂肪皂)、提高沸点组分(有机磷系化合物、Cx不饱和脂肪酸)、提高密度组分(有机氯化物、有机卤代烃)、降低饱和蒸气压组分(C12～C14蒽类、C10～C12萘类)及表面成膜阻燃组分(C4～Cx吡咯酮、C16～C18脂肪皂)。2. Preparation of flash point enhancer: it includes five functional components, specifically, components that improve intermolecular forces (C10-C20 terpenes, C16-C18 fatty soaps), and components that increase boiling point (organophosphorus compounds, Cx unsaturated fatty acids), density-enhancing components (organic chlorides, organic halogenated hydrocarbons), reducing saturated vapor pressure components (C12-C14 anthracenes, C10-C12 naphthalenes) and surface film-forming flame retardant components (C4 ~Cx pyrrolidone, C16~C18 fatty soap).
步骤二：B组分的制备Step 2: Preparation of Component B
将70重量份的水性异氰酸酯固化剂及30重量份的开稀溶剂一同放进分散搅拌机中分散均匀，出料并经过滤包装，制备得B组分。Put 70 parts by weight of water-based isocyanate curing agent and 30 parts by weight of dilute solvent together into a dispersing mixer to disperse evenly, discharge and filter and pack to prepare component B.
步骤三：将A组分与B组分按照5：1的重量比进行勾兑，制备出高闪点工业用聚氨酯防腐面漆，施工时在高闪点工业用聚氨酯防腐面漆中加入5％～15％的脱苯溶剂进行稀释，稀释搅拌均匀即可用于施工，施工方式采用喷涂、滚涂或刷涂。Step 3: Blend the A component and the B component according to the weight ratio of 5:1 to prepare a high-flash point industrial polyurethane anti-corrosion topcoat. During construction, add 5%~ Dilute with 15% debenzene solvent, dilute and stir evenly and then use for construction. The construction method is spraying, rolling or brushing.
三个实施例与对比例(空白对照)的性能指标比对结果表见图1。The performance index comparison result table of the three embodiments and the comparative example (blank) is shown in Figure 1.
本发明高闪点工业用聚氨酯防腐面漆制备简单、使用方便，通过一定 比例的闪点提高剂增加面漆的闪点，为解决面漆闪点低、运输和存储安全隐患大等难题开辟了一种新途经，具有广泛的推广价值。The high-flash-point industrial polyurethane anti-corrosion topcoat of the invention is simple to prepare and convenient to use, and the flash point of the topcoat is increased by a certain proportion of the flashpoint enhancer, which opens up the possibility of solving the problems of low flash point of the topcoat and great hidden dangers in transportation and storage. A new way with extensive promotion value.
以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。对这些实施例的多种修改对本领域的专业技术人员来说是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。The descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can also be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

  1. 一种闪点提高剂，包括五种功能组分，具体为提高分子间作用力组分、提高沸点组分、提高密度组分、降低饱和蒸气压组分及表面成膜阻燃组分；A flash point enhancer, comprising five functional components, specifically a component for improving intermolecular force, a component for increasing boiling point, a component for increasing density, a component for reducing saturated vapor pressure and a surface film-forming flame retardant component;
    所述提高分子间作用力组分为C10～C20萜类、C16～C18脂肪皂；The components for improving the intermolecular force are C10-C20 terpenes and C16-C18 fatty soaps;
    所述提高沸点组分为有机磷系化合物、Cx不饱和脂肪酸；Described boiling point raising component is organophosphorus compound, Cx unsaturated fatty acid;
    所述提高密度组分为有机卤代烃，所述有机卤代烃包括有机氯化物；The density-enhancing component is an organic halogenated hydrocarbon, and the organic halogenated hydrocarbon includes an organic chloride;
    所述降低饱和蒸气压组分为C12～C14蒽类、C10～C12萘类；The components for reducing the saturated vapor pressure are C12-C14 anthracenes and C10-C12 naphthalenes;
    所述表面成膜阻燃组分为C4～Cx吡咯酮、C16～C18脂肪皂。The surface film-forming flame retardant components are C4-Cx pyrrolidone and C16-C18 fatty soap.
  2. 一种高闪点工业用聚氨酯防腐面漆，其特征在于，所述高闪点工业用聚氨酯防腐面漆包括主漆A组分和固化剂B组分，所述主漆A组分和固化剂B组分按照5：1的重量比调配而成，其中，所述主漆A组分包括：30-40重量份的高固低粘热塑性羟基丙烯酸树脂、10-20重量份的硬脂酸改性聚氨酯树脂、20-25重量份的颜填料、0.5-1重量份的增稠剂、1-1.5重量份的润湿分散剂、0.1-0.3重量份的消泡剂、4-8重量份的助溶剂、0.1-0.5重量份的紫外线吸收剂、5-10重量份的脱苯溶剂和0.1-0.5重量份的闪点提高剂；所述固化剂B组分包括：80-90重量份的异氰酸酯固化剂和10-20重量份的开稀溶剂。A high-flash-point industrial polyurethane anti-corrosion topcoat, characterized in that the high-flash-point industrial polyurethane anti-corrosion topcoat comprises a main paint component A and a curing agent B component, the main paint component A and the curing agent The B component is prepared according to the weight ratio of 5:1, wherein the A component of the main paint includes: 30-40 parts by weight of high-solid and low-viscosity thermoplastic hydroxy acrylic resin, 10-20 parts by weight of stearic acid modified polyurethane resin, 20-25 parts by weight of pigments and fillers, 0.5-1 parts by weight of thickener, 1-1.5 parts by weight of wetting and dispersing agent, 0.1-0.3 parts by weight of defoamer, 4-8 parts by weight of Cosolvent, 0.1-0.5 parts by weight of ultraviolet absorber, 5-10 parts by weight of debenzene solvent and 0.1-0.5 parts by weight of flash point enhancer; the curing agent component B includes: 80-90 parts by weight of isocyanate curing agent and 10-20 parts by weight of dilute solvent.
  3. 根据权利要求1所述的高闪点工业用聚氨酯防腐面漆，其特征在于，所述高闪点工业用聚氨酯防腐面漆的制备方法包括以下步骤：The high-flash-point industrial polyurethane anti-corrosion topcoat according to claim 1, wherein the preparation method of the high-flash-point industrial polyurethane anti-corrosion topcoat comprises the following steps:
    步骤一：制备A组分；Step 1: prepare A component;
    将1/2脱苯溶剂和润湿分散剂加入分散釜中，低速搅拌5-10分钟；边搅拌边加入1/3消泡剂；同时缓慢加入1/2助溶剂，接着以900r/min的转速搅拌8-10分钟，边搅拌边加入颜填料、紫外线吸收剂，之后再以800r/min的转速搅拌15-20分钟，搅拌完成后将高固低粘热塑性羟基丙烯酸树脂加入调漆釜中，300r/min搅拌均匀，搅拌中慢慢加入磨料；在500r/min搅拌下，缓慢加入2/3的消泡剂、闪点提高剂、1/2助溶剂和1/2脱苯溶剂，每种助剂间隔3-5分钟，在搅拌下缓慢加入增稠剂，500r/min搅拌10-15分钟；待各项检验项目合格后，过滤得到A组分。Add 1/2 debenzene solvent and wetting and dispersing agent into the dispersing tank, stir at low speed for 5-10 minutes; add 1/3 defoaming agent while stirring; at the same time slowly add 1/2 cosolvent, then at 900r/min. Stir for 8-10 minutes at a high speed, add pigments, fillers and UV absorbers while stirring, and then stir at a speed of 800 r/min for 15-20 minutes. Stir evenly at 300 r/min, and slowly add abrasives during stirring; under stirring at 500 r/min, slowly add 2/3 of defoamer, flash point enhancer, 1/2 cosolvent and 1/2 debenzene solvent, each Add the thickener slowly at an interval of 3-5 minutes with stirring, and stir at 500 r/min for 10-15 minutes; after all inspection items are qualified, filter to obtain component A.
    步骤二：制备B组分；Step 2: prepare component B;
    将水性异氰酸酯固化剂与开稀溶剂按比例混合分散均匀后按包装规格分装，得到B组分；The water-based isocyanate curing agent and the dilute solvent are mixed and dispersed uniformly in proportion and then packaged according to the packaging specifications to obtain component B;
    步骤三：将A组分与B组分按照5：1的重量比进行勾兑得到高闪点工业用聚氨酯防腐面漆。Step 3: Blend the A component and the B component in a weight ratio of 5:1 to obtain a high flash point industrial polyurethane anti-corrosion topcoat.
  4. 根据权利要求2所述的高闪点工业用聚氨酯防腐面漆，其特征在于，所述闪点提高剂包括五种功能组分，具体为提高分子间作用力组分、提高沸点组分、提高密度组分、降低饱和蒸气压组分及表面成膜阻燃组分；The high flash point industrial polyurethane anti-corrosion topcoat according to claim 2, wherein the flash point enhancer comprises five functional components, specifically a component for improving intermolecular force, a component for increasing boiling point, a component for increasing Density component, reducing saturated vapor pressure component and surface film-forming flame retardant component;
    所述提高分子间作用力组分为C10～C20萜类、C16～C18脂肪皂；The components for improving the intermolecular force are C10-C20 terpenes and C16-C18 fatty soaps;
    所述提高沸点组分为有机磷系化合物、Cx不饱和脂肪酸；Described boiling point raising component is organophosphorus compound, Cx unsaturated fatty acid;
    所述提高密度组分为有机氯化物、有机卤代烃；The density-improving components are organic chlorides and organic halogenated hydrocarbons;
    所述降低饱和蒸气压组分为C12～C14蒽类、C10～C12萘类；The components for reducing the saturated vapor pressure are C12-C14 anthracenes and C10-C12 naphthalenes;
    所述表面成膜阻燃组分为C4～Cx吡咯酮、C16～C18脂肪皂。The surface film-forming flame retardant components are C4-Cx pyrrolidone and C16-C18 fatty soap.
  5. 根据权利要求2所述的高闪点工业用聚氨酯防腐面漆，其特征在于，所述高固低粘热塑性羟基丙烯酸树脂的制备是将15重量份的甲基丙烯酸乙酯、10重量份的丙烯酸羟乙酯、20重量份的甲基丙烯酸羟乙酯、20重量份的丙烯酸甲酯、30重量份的苯乙烯和4.5重量份的过氧化二叔戊基混合，在125℃温度下进行加热反应6h，降温至90℃，加入0.5重量份的对苯二酚，抽真空除去残留单体，得到高固低粘热塑性羟基丙烯酸树脂。The high-flash point industrial polyurethane anti-corrosion topcoat according to claim 2, wherein the high-solid and low-viscosity thermoplastic hydroxy acrylic resin is prepared by mixing 15 parts by weight of ethyl methacrylate, 10 parts by weight of acrylic acid Hydroxyethyl ester, 20 parts by weight of hydroxyethyl methacrylate, 20 parts by weight of methyl acrylate, 30 parts by weight of styrene and 4.5 parts by weight of di-tert-amyl peroxide were mixed, and the heating reaction was carried out at a temperature of 125°C After 6 h, the temperature was lowered to 90° C., 0.5 parts by weight of hydroquinone was added, and the residual monomer was removed by vacuuming to obtain a high-solid and low-viscosity thermoplastic hydroxy acrylic resin.
  6. 根据权利要求2所述的高闪点工业用聚氨酯防腐面漆或权利要求2～4任一项所述制备方法得到的高闪点工业用聚氨酯防腐面漆的使用方法，其特征在于，包括以下步骤：在高闪点工业用聚氨酯防腐面漆中加入5％～15％的脱苯溶剂进行稀释，稀释搅拌均匀后用于施工。The high-flash-point industrial polyurethane anti-corrosion topcoat according to claim 2 or the method for using the high-flash-point industrial polyurethane anti-corrosion topcoat obtained by the preparation method according to any one of claims 2 to 4, is characterized in that, comprising the following: Steps: Add 5% to 15% debenzene solvent to the high flash point industrial polyurethane anti-corrosion topcoat for dilution, and then use for construction after diluting and stirring evenly.
  7. 根据权利要求2所述的施工方法，其特征在于，所述施工方式为喷涂、滚涂或刷涂。The construction method according to claim 2, wherein the construction method is spraying, rolling or brushing.
PCT/CN2021/099687 2020-08-25 2021-06-11 High-flash-point industrial polyurethane anticorrosive top coat WO2022041937A1 (en)

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CN111978838A (en) * 2020-08-25 2020-11-24 江苏冠军科技集团股份有限公司 High flash point industrial polyurethane anti-corrosion finish paint
CN112898887A (en) * 2021-02-09 2021-06-04 北京盈德化工有限公司 Special flame-retardant salt-fog-resistant anticorrosive coating
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