WO2020232719A1 - 玻璃钢管用水性漆及其制备方法、使用方法和应用 - Google Patents

玻璃钢管用水性漆及其制备方法、使用方法和应用 Download PDF

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Publication number
WO2020232719A1
WO2020232719A1 PCT/CN2019/088195 CN2019088195W WO2020232719A1 WO 2020232719 A1 WO2020232719 A1 WO 2020232719A1 CN 2019088195 W CN2019088195 W CN 2019088195W WO 2020232719 A1 WO2020232719 A1 WO 2020232719A1
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Prior art keywords
parts
water
based paint
glass steel
steel pipe
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PCT/CN2019/088195
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English (en)
French (fr)
Inventor
袁洪青
王立群
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河北比尔尼克新材料科技股份有限公司
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Priority to PCT/CN2019/088195 priority Critical patent/WO2020232719A1/zh
Publication of WO2020232719A1 publication Critical patent/WO2020232719A1/zh

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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
    • C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • 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
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/10—Homopolymers or copolymers of methacrylic acid esters

Definitions

  • the present disclosure belongs to the technical field of coatings, and in particular, relates to a water-based paint for glass steel pipe and a preparation method, use method and application thereof.
  • Glass fiber reinforced plastic pipe is also called glass fiber wound sand pipe (RPM pipe). It is usually reinforced with glass fiber and its products (such as glass cloth, tape, felt, etc.), and is made of unsaturated polyester resin and epoxy resin. Resin and phenolic resin are the basic materials, and inorganic non-metallic particulate materials such as quartz sand and calcium carbonate are used as fillers as the main raw materials.
  • FRP pipe has the characteristics of smooth surface, low transportation energy consumption, long service life, convenient transportation and installation, and low comprehensive cost. It has been widely used in petroleum, electric power, chemical industry, papermaking, sewage treatment, seawater desalination and other fields.
  • glass steel pipe is immersed in sea water or other corrosive liquids, it is easy to be damaged, the corrosion resistance is relatively poor, the pipe durability is poor, and its corrosion resistance and aging resistance are not suitable for these relatively harsh conditions. It is necessary to apply protective coating or spray paint on the surface of the glass steel pipe.
  • the currently used protective paints for glass steel pipes are all oil-based paints.
  • Spraying oil-based paint on glass steel pipes has poor durability and is easy to fall off when soaked in water.
  • the existing oil-based paints are sprayed and soaked in water during use. The whole sheet will fall off within 24 hours.
  • it is a highly polluting material. It is difficult to eliminate the toxic gas emitted by oily paint at the painting site. For example, a large amount of harmful substances such as benzene and xylene will be generated during the spraying process, which is highly toxic, pollutes the environment and harms the health of the operators. health.
  • oil-based coatings need to be baked at a high temperature of 100°C for 60 minutes during spraying, which consumes high energy and wastes resources.
  • the use of water-based paint with low hazard and low pollution characteristics has become an inevitable choice.
  • the first objective of the present disclosure is to provide a water-based paint for glass steel pipes, which has the characteristics of strong adhesion, good water resistance, and extremely low VOC (Volatile organic compounds) volatilization, which can overcome the above problems or at least partially solve the above problems The above technical problems.
  • VOC Volatile organic compounds
  • the second objective of the present disclosure is to provide a method for preparing water-based paint for glass steel pipes, which is simple and easy to operate.
  • the water-based paint for glass steel pipes prepared by the method has the characteristics of strong adhesion, good water resistance and extremely low VOC volatilization.
  • the third object of the present disclosure is to provide a method for using a water-based paint for glass steel pipe.
  • the method for using the water-based paint is simple, does not require high-temperature baking during use, and can reduce energy consumption.
  • the fourth objective of the present disclosure is to provide an application of water-based paint for glass steel pipes in marine pipelines or underground pipelines.
  • the water-based paint has the characteristics of strong adhesion, good water resistance, and extremely low VOC volatilization, so it can be applied to marine pipelines or In the underground pipeline.
  • a water-based paint for glass steel pipe which is mainly prepared from the following parts by mass of raw materials:
  • the water-based acrylic resin is selected from at least one of Dow AEH-2014, Dow J-678, Dow Maincote PR-71K, Badfu 3230D or Wanhua Chemical Antkote-2042;
  • the water-based acrylic resin is Dow AEH-2014.
  • the polymerization method of the silicone modified fluorocarbon emulsion includes a physical blending method and/or a chemical modification method
  • the polymerization method of the silicone modified fluorocarbon emulsion is a chemical modification method.
  • the auxiliary agent includes one or at least two of a dispersant, a leveling agent and a defoaming agent.
  • the auxiliary agent includes a dispersant, a leveling agent and a defoamer.
  • the content of the dispersant is 2 to 5 parts, preferably 3 to 4 parts;
  • the content of the leveling agent is 4-8 parts, preferably 5-6 parts;
  • the content of the defoamer is 1 to 3 parts, preferably 1 to 2 parts by mass.
  • the auxiliary agent includes 2 to 5 parts of a dispersant, 4 to 8 parts of a leveling agent, and 1 to 3 parts of a defoaming agent.
  • the auxiliary agent includes 3 to 4 parts of a dispersant, 5 to 6 parts of a leveling agent, and 1 to 2 parts of a defoamer.
  • the color paste includes an aqueous organic color paste or an aqueous inorganic color paste;
  • the color paste is an aqueous organic color paste.
  • a method for preparing the above-mentioned water-based paint for glass steel pipes including the following steps: mixing water-based acrylic resin, silicone modified fluorocarbon emulsion, additives, color paste, and water according to the formula. Evenly, water-based paint for glass steel pipe is obtained.
  • the method for using the water-based paint includes at least one of wiping, brushing, roller coating and spraying;
  • the use method of the water-based paint is spraying
  • the spraying includes mixing water-based acrylic resin, silicone modified fluorocarbon emulsion, additives, color paste and water uniformly, spraying on the surface of the glass steel pipe substrate, and drying naturally.
  • the water-based paint for glass steel pipes uses water-based acrylic resin and silicone modified fluorocarbon emulsion, which has good compatibility with glass pipes, strong adhesion to glass pipes, and excellent water resistance. It can be soaked in water for a long time without falling off; and can realize self-drying at room temperature without high temperature baking, which effectively reduces energy consumption.
  • This disclosure uses water-based acrylic resin and silicone modified fluorocarbon emulsion in combination, uses water as a solvent, and adds other additives.
  • the components have good compatibility, and the obtained glass steel pipe water-based paint Not only has good leveling properties on the substrate, strong adhesion, excellent water resistance, self-drying at room temperature, but also extremely low VOC, clean and environmentally friendly, and pollution-free, which can alleviate the harm of traditional products to the environment and construction personnel.
  • the preparation method of the present disclosure is simple and easy to implement. It only needs to mix the raw materials uniformly according to the ratio to obtain good leveling properties, strong adhesion, excellent water resistance, and room temperature on the substrate.
  • the self-drying, extremely low-VOC water-based paint for glass steel pipes is easy to realize large-scale industrial production and has industrial practicability.
  • the water-based paint for glass steel pipe can be directly wiped, brushed, rolled and sprayed on the surface of the workpiece. It is simple to use and can be dried and cured at room temperature, which saves energy consumption, reduces costs and facilitates construction.
  • a water-based paint for glass steel pipe is provided, which is mainly prepared from the following parts by mass of raw materials:
  • the above-mentioned water-based paint uses water-based acrylic resin and silicone modified fluorocarbon emulsion together, uses water as the solvent, and adds other additives.
  • the components have good compatibility, and the obtained glass steel pipe is water-resistant
  • the lacquer not only has good leveling properties on the substrate, but also improves the adhesion to smooth surfaces. It has good compatibility with glass steel pipes and excellent water resistance.
  • VOC volatilization VOC volatilization ⁇ 5mg/L
  • the water-based paint of the present disclosure selects suitable raw materials and their amounts. Through the functional coordination and support of the raw materials, and the mutual restriction and matching between the ratios, the overall performance of the coating is better than that of the existing coatings. It is a high-performance green and environmentally friendly water-based paint that can specifically improve the existing problems of the existing protective coatings for glass steel pipes.
  • the water-based paint for FRP pipes means that the water-based paint is mainly used in the field of FRP pipes, used for the protection of FRP pipes, and belongs to the protective paint of FRP pipes.
  • the numerical range “a-b” represents an abbreviated representation of any combination of real numbers between a and b, where a and b are real numbers.
  • the numerical range “45-50 parts” means that all the real numbers between “45-50 parts” have been listed in this article, and “45-50 parts” is only an abbreviation of these numerical combinations.
  • the lower limit and upper limit of the “range” disclosed in the present disclosure may be one or more lower limits and one or more upper limits, respectively.
  • water-based acrylic resin helps to improve the physical properties of the resulting water-based paint, and the coating film has superior film-forming properties, good surface properties, good water resistance and weather resistance.
  • the typical but non-limiting content of water-based acrylic resin is 40 parts, 42 parts, 45 parts, 46 parts, 47 parts, 48 parts, 49 parts, 50 parts, 51 parts, 52 parts, 54 parts or 55 copies.
  • the silicone-modified fluorocarbon emulsion can also be a silicone-modified fluorocarbon resin.
  • Organic fluorocarbon polymers have excellent solvent resistance, weather resistance, high temperature resistance, and surface self-cleaning properties; the modification of fluorocarbon emulsion with organic silicon can enhance its low temperature resistance, weather resistance and other properties, and can increase Adhesion of paint and glass steel pipe substrate, while reducing product prices.
  • adding silicone to the fluorocarbon resin can enhance the impact resistance and hardness of the coating, while reducing the crystallinity of the resin, and improving the transparency and gloss. Due to the difference in performance between organosilicon polymer and fluorocarbon polymer, the use of organosilicon to modify fluorocarbon polymer has complementary advantages and can obtain materials with better performance.
  • the silicone-modified fluorocarbon emulsion has good heat resistance and excellent mechanical properties.
  • the addition of a specific amount of silicone-modified fluorocarbon emulsion to the water-based paint has good compatibility with glass steel pipes. It can improve water resistance and leveling, and it can dry at room temperature and is not easy to fall off.
  • the typical but non-limiting content of the silicone modified fluorocarbon emulsion is 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts or 12 parts.
  • the use of additives and colorants in a specific amount helps to improve the overall performance of the resulting water-based paint, improve its film-forming properties, water resistance, leveling, colorability, improve gloss, prevent sedimentation and Cohesion and so on.
  • the typical but non-limiting content of the adjuvant is 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts or 15 parts.
  • Typical but non-limiting content of color paste is 32 parts, 33 parts, 34 parts, 35 parts or 36 parts.
  • the water-based paint is off-white before the color paste is added.
  • the purpose of heating the color paste in this article is to turn the water-based paint into a colored paint, and the color of the water-based paint is diversified by adding the color paste.
  • the bright color meets people's demand for its appearance and decoration.
  • water is used as a solvent, which reduces costs and saves a lot of resources; reduces environmental pollution and improves working environmental conditions.
  • Typical but non-limiting amounts of water are 6, 7, 8, or 9 parts.
  • the above-mentioned water-based acrylic resin, silicone modified fluorocarbon emulsion, additives, color paste and water use the above-mentioned components and proportions, the synergy is better, and it is more helpful to improve the performance of the product, and the color is diversified.
  • the above-mentioned raw materials are low in cost, green and environmentally friendly, and have no environmental pollution.
  • the super water-based paint has better comprehensive performance and ultra-low VOC volatilization, especially the targeted improvement of the water-based paint on the glass steel pipe Leveling, improve adhesion to smooth surfaces, good compatibility with glass steel pipe, excellent water resistance, and can achieve the effect of not falling off after 60 hours of boiling in 50 °C warm water.
  • the water-based paint for glass steel pipe is mainly prepared from the following parts by mass of raw materials:
  • the water-based paint for glass steel pipe is mainly prepared from the following parts by mass of raw materials:
  • the synergistic cooperation between the components is fully utilized, and the water-based acrylic resin and the silicone modified fluorocarbon emulsion are effectively combined to achieve better, low-emission, environmental protection, and long-lasting water resistance.
  • the effect is to further improve the overall performance of the coating.
  • the raw materials used in the water-based paint are low in price and have good film-forming properties.
  • the film-forming does not require the use of film-forming additives, which greatly reduces the VOC content of the water-based paint.
  • the basic raw materials and additives involved such as water-based acrylic resins, silicone modified fluorocarbon emulsions, additives, etc.
  • water-based acrylic resins such as silicone modified fluorocarbon emulsions, additives, etc.
  • silicone modified fluorocarbon emulsions such as silicone modified fluorocarbon emulsions, additives, etc.
  • the present disclosure sets the following preferred limits on the components in the formula:
  • the water is deionized water, which can be commercially available or self-made.
  • the auxiliary agent includes one or at least two of a dispersant, a leveling agent and a defoaming agent.
  • the additives include but are not limited to the above-mentioned types of additives commonly used in the art.
  • the additives may be only dispersing agents, leveling agents, or defoaming agents.
  • the agent can be any two of a dispersant, a leveling agent and a defoaming agent, or a dispersing agent, a leveling agent and a defoaming agent.
  • the auxiliary agent includes a dispersant, a leveling agent and a defoaming agent.
  • the dispersant can be a common type of dispersant in the field, for example, it can be listed as potassium polycarboxylate, sodium polycarboxylate, ammonium polycarboxylate, sodium hexametaphosphate, cellulose derivatives or polycarboxylates. A combination of one or more of acrylamide.
  • the dispersant can be selected from at least one of the following: Tech-6190, Tego-690, CFC-661, CFC-690, CFC-602W or BYK series dispersants.
  • the dispersant is Tech-6190 or Tego-690.
  • the leveling agent can be selected from at least one of the following: TEGO 482 (TEGO Glide 482), TEGO Glide 410 (TEGO Glide 410), TEGO Glide 450 (TEGO Glide 450) or BYK333.
  • the leveling agent is Tego 482.
  • TEGO Glide 482 is polydimethyloxane emulsion, which is a product of German Tego Company
  • chemical composition of TEGO Glide 410 is a polyether siloxane copolymer, which is a product of German Tego Company.
  • the defoaming agent can be a common type of defoaming agent in the field, for example, silicone defoaming agent, polymer defoaming agent, mineral oil defoaming agent, etc. can be selected.
  • the defoaming agent can be selected from at least one of the following: Tech-321W, Tech-362W, Tech-381W, Tech-391W, BYK series defoamers or Tego series defoamers, etc.
  • the defoamer is Tech-321W.
  • the color paste includes an aqueous organic color paste or an aqueous inorganic color paste;
  • the color paste is an aqueous organic color paste.
  • the color of the aqueous organic colorant can be common colors such as blue, green, yellow, red, and black.
  • the water-based organic color paste can be a type of water-based organic color paste commonly used in the art.
  • the water-based organic color paste can be ground from deionized water and organic pigments; the colors of different organic pigments can be adjusted according to product requirements. Or add.
  • the water-washed organic colorant can be a product provided by Suzhou Shiming Technology Co., Ltd.
  • water-based organic color paste makes the paint film of the water-based paint for fiberglass steel pipe provided in the present disclosure more beautiful.
  • the water-based organic color paste is used to color the water-based paint, which has good compatibility, high coloring power and more vivid colors.
  • the auxiliary agent includes 2 to 5 parts of a dispersant, 4 to 8 parts of a leveling agent, and 1 to 3 parts of a defoaming agent.
  • the auxiliary agent includes 3 to 4 parts of a dispersant, 5 to 6 parts of a leveling agent, and 1 to 2 parts of a defoaming agent.
  • the additives with specific functions and their dosages can be selected in a targeted manner, which helps to improve the overall performance of the resulting water-based paint.
  • the water-based acrylic resin is selected from at least one of Dow AEH-2014, Dow J-678, Dow Maincote PR-71K, Bad Fu 3230D or Wanhua Chemical Antkote-2042.
  • the water-based acrylic resin can be Dow AEH-2014, Dow J-678, Dow Maincote PR-71K, Badfu 3230D, Wanhua Chemical Antkote-2042, or It is Dow AEH-2014 and Dow J-678.
  • the water-based acrylic resin provided by Dow especially Dow AEH-2014 is used. It can not only be attached to difficult-to-attach substrates, but also has certain corrosion resistance and excellent performance.
  • the polymerization method of the silicone modified fluorocarbon emulsion includes a physical blending method and/or a chemical modification method
  • the polymerization method of the silicone modified fluorocarbon emulsion is a chemical modification method.
  • organosilicon-modified fluorocarbon emulsion can be prepared either by a physical blending method or a chemical modification method.
  • the physical blending method is to directly add organic silicon raw materials to the fluorocarbon resin for physical blending modification.
  • Chemical modification or chemical polymerization is mainly through the copolymerization of silicon-containing, fluorine-containing monomers or other methods to introduce silicon-containing groups on the main chain of the organic fluorocarbon polymer to form block, graft or interpenetrating network copolymers. The purpose of its modification.
  • the aforementioned organosilicon-modified fluorocarbon resin can be obtained by copolymerizing organosilicon monomers and fluorocarbon resin monomers.
  • the organosilicon-modified fluorocarbon resin can be carried out by organosilicon modification methods known in the art, and the organosilicon monomer can be a common organosilicon monomer, such as KH-550, KH-560, etc.
  • An existing method for preparing silicone-modified fluorocarbon resins can be cited.
  • journal literature “Synthesis and Silicone Modification of Fluorocarbon Resins, Zhou Xiaodong, etc., Synthetic Resins and Plastics”
  • journal literature “Study on the performance of organosilicon-modified fluorocarbon resin, Fan Bobo, etc.”; for example, you can also refer to an organosilicon-modified fluorocarbon resin and its preparation method disclosed in the publication number CN104231122A.
  • the present disclosure has no special restrictions on the source of the organosilicon-modified fluorocarbon emulsion, and it can be a commercially available product, or it can be prepared by itself according to the preparation method disclosed above.
  • the water-based paint for glass steel pipe includes the following components in parts by mass:
  • water-based acrylic resin 45-50 parts of water-based acrylic resin, 5-10 parts of silicone modified fluorocarbon emulsion, 3-4 parts of dispersant, 5-6 parts of leveling agent, 1-2 parts of defoamer, 34-35 parts of water-based organic color paste 7-8 parts and water.
  • the “comprising” or “prepared mainly from” in the present disclosure means that in addition to the components, it can also include other components, and these other components give the glass steel pipe Different characteristics of water-based paint.
  • the "including” mentioned in the present disclosure can also be replaced with a closed “being” or “consisting of”.
  • a water-based paint for glass steel pipes is mainly prepared from the following parts by mass: 40 to 55 parts of water-based acrylic resin, 4 to 12 parts of silicone modified fluorocarbon emulsion, 5 to 15 parts of additives, and 32 to 36 parts of color paste 6-9 parts and water. It can be replaced with a closed writing, that is, a water-based paint for glass steel pipe, prepared from the following parts by mass: 40 to 55 parts of water-based acrylic resin, 4 to 12 parts of silicone modified fluorocarbon emulsion, and 5 to 15 parts of additives Parts, 32 ⁇ 36 parts of color paste and 6-9 parts of water.
  • a method for preparing the above-mentioned water-based paint for glass steel pipes which includes the following steps: according to the formula amount, water-based acrylic resin, silicone modified fluorocarbon emulsion, additives, color paste and water Mix evenly to obtain water-based paint for glass steel pipe.
  • the components of the formulation amount are stirred and mixed uniformly to obtain the water-based paint.
  • the prepared product has excellent performance, strong adhesion, good water resistance, and extremely low VOC volatilization; it is also easy to operate, environmentally friendly, mild preparation conditions, low investment, and energy consumption. Low, no need to use complex equipment systems, easy to achieve industrialized mass production, and industrial practicability.
  • the method of using the water-based paint includes at least one of wiping, brushing, roller coating and spraying;
  • the use method of the water-based paint is spraying
  • the spraying includes mixing water-based acrylic resin, silicone modified fluorocarbon emulsion, additives, color paste and water uniformly, spraying on the surface of the glass steel pipe substrate, and drying naturally.
  • the natural drying refers to drying in a natural environment, or drying under natural conditions (normal temperature) without using any heating and drying equipment, or simply self-drying.
  • coating methods in this field can be adopted, including but not limited to wiping, brushing, roller coating, spraying, etc., to coat the prepared water-based paint on the surface of the glass steel pipe substrate; It can be operated at room temperature without heating and baking, which saves energy and equipment investment, is simple and convenient, saves labor and time, is environmentally friendly, and greatly reduces production costs.
  • the water-based paint can be directly sprayed on the surface of the workpiece, has the characteristics of simple use, low drying temperature, and can be dried and cured at room temperature, which saves energy consumption, reduces costs, facilitates construction, and can effectively improve coating operations.
  • the working environment of personnel is conducive to promoting the coordinated development of economy and environment.
  • an application of the above-mentioned water-based paint for FRP pipes in marine pipelines or underground pipelines is also provided.
  • the marine pipeline mainly refers to a fiberglass steel pipe used in the ocean
  • the underground pipeline mainly refers to a fiberglass steel pipe buried underground.
  • the water-based paint for glass steel pipes of the present disclosure not only has good leveling properties on the substrate, strong adhesion, excellent water resistance, self-drying at room temperature, and good compatibility with glass steel pipes, but also has extremely low VOC, is clean and environmentally friendly. Pollution, so it can be used in FRP pipes in various environmental occasions, such as ocean and underground pipelines using FRP pipes.
  • Table 1 The formula of the water-based paint for FRP pipes in Examples 1-3
  • Water-based paint for glass steel pipe including the following components in parts by mass:
  • Water-based paint for glass steel pipe including the following components in parts by mass:
  • Water-based paint for glass steel pipe including the following components in parts by mass:
  • Water-based paint for glass steel pipe including the following components in parts by mass:
  • a water-based paint for glass steel pipe including the following components in parts by mass:
  • Example 7 The difference between this comparative example and Example 7 is that: the water-based paint for glass steel pipe in this comparative example does not contain silicone modified fluorocarbon emulsion.
  • a water-based paint for glass steel pipe including the following components in parts by mass:
  • Example 7 The difference between this comparative example and Example 7 is that: the water-based paint for glass steel pipe in this comparative example does not contain water-based acrylic resin.
  • a water-based paint for glass steel pipe including the following components in parts by mass:
  • Waterborne acrylic resin Dow AEH-2014 35 parts silicone modified fluorocarbon emulsion 15 parts, dispersant Tech-6190 1 part, leveling agent Tego 482 2 parts, defoamer Tech-321W 5 parts, water-based organic color 20 parts of pulp and 12 parts of water.
  • Example 7 The difference between this comparative example and Example 7 is that: in this comparative example, the ratio of each component raw material in the water-based paint for glass steel pipe is not within the protection scope of the present disclosure.
  • Performance tests were carried out on the water-based paints for glass steel pipes of each embodiment and comparative example, including performance tests such as adhesion, water resistance, and VOC content. The test results are shown in Table 2.
  • the VOC content of the water-based paint for glass steel pipe provided by the embodiments of the present disclosure is extremely low, the VOC content is about 4-5mg/L; the adhesion is strong, the adhesion is less than or equal to 1; the water resistance is good, and it can achieve 60 hours 50 The effect of not falling off when boiled in warm water.
  • the water-based paint prepared by the embodiment of the present disclosure is compared with the existing commercially available oil-based paint.
  • the test results show that the existing oil-based paint needs to be baked at a high temperature of 100°C for 60 minutes during use, while the embodiment of the present disclosure
  • the water-based paint does not need to be baked at a high temperature and can dry by itself, reducing energy consumption;
  • the VOC content of the existing oil-based paint is about 400g/L, while the VOC content of the water-based paint of this application is about 4-5 mg/L;
  • Some oil paints will fall off after being boiled in warm water at 50°C for 24 hours, but this application can achieve the effect of not falling off after boiling in warm water at 50°C for 60 hours.

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Abstract

本公开属于涂料技术领域，涉及玻璃钢管用水性漆及其制备方法、使用方法和应用。该玻璃钢管用水性漆，主要由以下质量份的原料制备而成：水性丙烯酸树脂40～55份、有机硅改性氟碳乳液4～12份、助剂5～15份、色浆32～36份和水6～9份。本公开的玻璃钢管用水性漆，具有附着力强、耐水性好、极低VOC挥发的特点，并且使用方法简单，使用时无需高温烘烤，可以节省资源降低能耗。

Description

玻璃钢管用水性漆及其制备方法、使用方法和应用 技术领域
本公开属于涂料技术领域，具体而言，涉及一种玻璃钢管用水性漆及其制备方法、使用方法和应用。
背景技术
玻璃钢管也称玻璃纤维缠绕夹砂管(RPM管)，通常是以玻璃纤维及其制品(如玻璃布、带、毡等)为增强材料，以高分子成分的不饱和聚脂树脂、环氧树脂、酚醛树脂等为基本材料，以石英砂及碳酸钙等无机非金属颗粒材料为填料作为主要原料。玻璃钢管具有表面光滑、输送能耗低、使用寿命长、运输安装方便、综合造价低等特点，在石油、电力、化工、造纸、污水处理、海水淡化等领域取得了广泛的应用。
由于玻璃钢管浸泡在海水中或其他腐蚀性液体中，容易受到损坏，耐腐蚀性相对较差，管材耐久性较差，其耐腐蚀和耐老化等性能无法适用于这些条件相对恶劣的场合，因此需要在玻璃钢管表面涂覆保护涂层或喷漆。
然而，目前所采用的玻璃钢管防护漆所采用的都是油性涂料，在玻璃钢管上喷涂油性涂料，耐用性较差，在水中浸泡容易脱落，一般现有油性涂料喷涂后在使用过程中泡水不超过24小时就开始整张脱落。而且属于高污染材料，油性涂料在涂装现场，挥发出来的有毒气体很难消除，例如在喷涂过程中会产生大量苯、二甲苯等有害物质，毒性大，污染环境，还危害操作员工的身体健康。此外，油性涂料在喷涂时需要高温100℃烘烤60分钟，能耗高，浪费资源。随着国家对环保的严厉要 求，以及人们越来越追求环保和对健康的高度关注，采用具有低危害、低污染特性的水性漆成为了必然的选择。
鉴于此，特提出本公开。
公开内容
本公开的第一目的在于提供一种玻璃钢管用水性漆，具有附着力强、耐水性好、极低VOC(Volatile organic compounds，挥发性有机化合物)挥发的特点，能够克服上述问题或者至少部分地解决上述技术问题。
本公开的第二目的在于提供一种玻璃钢管用水性漆的制备方法，方法简单，容易操作，采用该方法制备得到的玻璃钢管用水性漆具有附着力强、耐水性好、极低VOC挥发的特点。
本公开的第三目的在于提供一种玻璃钢管用水性漆的使用方法，该水性漆使用方法简单，使用时无需高温烘烤，可以降低能耗。
本公开的第四目的在于提供一种玻璃钢管用水性漆在海洋管道或地下管道中的应用，该水性漆具有附着力强、耐水性好、极低VOC挥发的特点，因而可以应用在海洋管道或地下管道中。
为实现上述目的，本公开采用的技术方案为：
根据本公开的一个方面，提供一种玻璃钢管用水性漆，主要由以下质量份的原料制备而成：
水性丙烯酸树脂40～55份、有机硅改性氟碳乳液4～12份、助剂5～15份、色浆32～36份和水6～9份。
优选地，主要由以下质量份的原料制备而成：
水性丙烯酸树脂45～50份、有机硅改性氟碳乳液5～10份、助剂9～12份、色浆34～35份和水7～8份。
优选地，主要由以下质量份的原料制备而成：
水性丙烯酸树脂46～48份、有机硅改性氟碳乳液6～9份、助剂10～11份、色浆34～35份和水7～8份。
优选地，所述水性丙烯酸树脂选自陶氏AEH－2014、陶氏J－678、陶氏MaincoteTM PR－71K、巴德富3230D或万华化学Antkote－2042中的至少一种；
优选地，所述水性丙烯酸树脂为陶氏AEH－2014。
优选地，所述有机硅改性氟碳乳液的聚合方法包括物理共混法和/或化学改性法；
优选地，所述有机硅改性氟碳乳液的聚合方法为化学改性法。
优选地，所述助剂包括分散剂、流平剂和消泡剂中的一种或至少两种。
优选地，所述助剂包括分散剂、流平剂和消泡剂。
优选地，按质量份数计，分散剂的含量为2～5份，优选为3～4份；
优选地，按质量份数计，流平剂的含量为4～8份，优选为5～6份；
优选地，按质量份数计，消泡剂的含量为1～3份，优选为1～2份。
优选地，按质量份数计，所述助剂包括分散剂2～5份、流平剂4～8份和消泡剂1～3份。
优选地，按质量份数计，所述助剂包括分散剂3～4份、流平剂5～6份和消泡剂1～2份。
优选地，所述色浆包括水性有机色浆或水性无机色浆；
优选地，所述色浆为水性有机色浆。
根据本公开的另一个方面，还提供一种上述的玻璃钢管用水性漆的制备方法，包括以下步骤：按配方量将水性丙烯酸树脂、有机硅改性氟碳乳液、助剂、色浆和水混合均匀，得到玻璃钢管用水性漆。
根据本公开的另一个方面，还提供一种上述的玻璃钢管用水性漆的使用方法，所述水性漆的使用方法包括擦涂、刷涂、辊涂和喷涂中的至少一种；
优选地，所述水性漆的使用方法为喷涂；
优选地，所述喷涂包括将水性丙烯酸树脂、有机硅改性氟碳乳液、助剂、色浆和水混合均匀，喷涂在玻璃钢管基材表面，自然干燥。
根据本公开的另一个方面，还提供一种上述的玻璃钢管用水性漆在海洋管道或地下管道中的应用。
与现有技术相比，本公开的有益效果在于：
(1)、本公开提供的玻璃钢管用水性漆，将水性丙烯酸树脂和有机硅改性氟碳乳液配合使用，与玻璃钢管的相容性好，在玻璃钢管上的附着力强，耐水性优异，可以实现在水中浸泡长时间不脱落；并且可以实现常温自干，无需高温烘烤，有效降低了能耗。
(2)、本公开将水性丙烯酸树脂和有机硅改性氟碳乳液配合使用，以水为溶剂，并添加其他助剂，各组分之间具有良好的相容性，得到的玻璃钢管用水性漆不仅在基材上具有较好的流平性、附着力强、耐水性优异、可常温自干，而且VOC极低，清洁环保无污染，可缓解传统产品对环境、对施工人员的危害。
(3)、本公开的制备方法简单，容易实现，只需将各原料按照配比混合均匀，就能得到在基材上具有较好的流平性、附着力强、耐水性优异、可常温自干、VOC极低的玻璃钢管用水性漆，易于实现工业化大规模生产，具有工业实用性。
(4)、该玻璃钢管用水性漆可直接擦涂、刷涂、辊涂和喷涂在工件表面，具有使用简单，可在常温下干燥固化的特点，节省了能耗，降低了成本，便于施工。
具体实施方式
下面将结合实施方式和实施例对本公开的实施方案进行详细描述，但是本领域技术人员将会理解，下列实施方式和实施例仅用于说明本公开，而不应视为限制本公开的范围。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。未注明具体条件者，按照常规条件或制造商建议的条件进行。所用试剂或仪器未注明生产厂商者，均为可以通过市售购买获得的常规产品。
第一方面，在至少一个实施例中提供一种玻璃钢管用水性漆，主要由以下质量份的原料制备而成：
水性丙烯酸树脂40～55份、有机硅改性氟碳乳液4～12份、助剂5～15份、色浆32～36份和水6～9份。
鉴于目前的玻璃钢管防护一直采用喷涂油性涂料的方式，存在喷涂过程中会产生大量VOC，如大量苯、二甲苯等有害物质，污染环境且对人体造成伤害，职业病发生率非常高；在使用过程中泡水不超过24小时就开始整张脱落；需要高温100℃烘烤60分钟，高耗能浪费资源等问题。又由于玻璃钢管的表面特别光滑，普通的水性漆与玻璃钢管的相容性较差，在本申请的申请日之前尚未发现将水性漆应用在玻璃钢管领域。而本公开创造性的提供一种水性漆，该水性漆用于玻璃钢管的防护中，可有效缓解上述问题。
进一步地讲，上述水性漆将水性丙烯酸树脂和有机硅改性氟碳乳液配合使用，以水为溶剂，并添加其他助剂，各组分之间具有良好的相容 性，得到的玻璃钢管用水性漆不仅在基材上具有较好的流平性，提高了对光滑表面的附着力，与玻璃钢管的相容性好，耐水性优异，可实现60小时50℃温水煮不脱落的效果；而且可实现常温自干，无需加热烘烤，节能能源；同时，超低VOC挥发(VOC挥发≤5mg/L)，清洁环保无污染，环境友好，可缓解传统产品对环境、对施工人员的危害。
本公开的水性漆，选择了适宜的原料及其用量，通过各原料功能上的相互配合、支撑，以及比例间的相互制约和搭配，使得该涂料相较于现有的涂料综合性能较好，是一种高性能的绿色环保型水性涂料，可针对性的改善现有的玻璃钢管用防护涂料所存在的问题。
需要说明的是：
本文中，玻璃钢管用水性漆是指，该水性漆主要应用于玻璃钢管领域，用于玻璃钢管的防护，属于玻璃钢管防护漆。
本文中，除非有其他说明，数值范围“a～b”表示a到b之间的任意实数组合的缩略表示，其中a和b都是实数。例如数值范围“45～50份”表示本文中已经全部列出了“45～50份”之间的全部实数，“45～50份”只是这些数值组合的缩略表示。本公开所公开的“范围”以下限和上限的形式，可以分别为一个或多个下限，和一个或多个上限。
本文中，除非另有说明，所用的专业与科学术语与本领域熟练人员所熟悉的意义相同。
上述玻璃钢管用水性漆中，采用特定用量的水性丙烯酸树脂有助于改善所得水性漆的物理性质，涂膜的成膜性能优越，表面性能好，耐水性和耐候性好。按质量份数计，水性丙烯酸树脂典型但非限制性的含量为40份、42份、45份、46份、47份、48份、49份、50份、51份、52份、54份或55份。
本文中，有机硅改性氟碳乳液也可为有机硅改性氟碳树脂。有机氟碳聚合物具有优异的耐溶剂、耐气候、耐高温、表面自洁等性能；用有 机硅对氟碳乳液进行改性，可增强其耐低温性、耐候性等多种性能，可增加涂料与玻璃钢管基材的附着力，同时降低产品价格。此外，把有机硅添加到氟碳树脂中，可增强涂层的耐冲击性和硬度，同时降低树脂的结晶度，透明度和光泽度均有所提高。由于有机硅聚合物与氟碳聚合物在性能上存在差异，因而利用有机硅改性氟碳聚合物，优势互补，可以得到性能更优异的材料。
上述玻璃钢管用水性漆中，有机硅改性氟碳乳液的耐热氧化性能好，力学性能优异，在该水性漆中加入特定用量的有机硅改性氟碳乳液与玻璃钢管的相容性好，可提高耐水性和流平性，常温自干，不易脱落。有机硅改性氟碳乳液典型但非限制性的含量为4份、5份、6份、7份、8份、9份、10份、11份或12份。
上述玻璃钢管用水性漆中，采用特定用量的助剂和色浆，有助于改善所得水性漆的综合性能，提高其成膜性、耐水性、流平性、着色性，提高光泽，防止沉降和凝聚等。助剂典型但非限制性的含量为5份、6份、7份、8份、9份、10份、11份、12份、13份、14份或15份。色浆典型但非限制性的含量为32份、33份、34份、35份或36份。
可以理解的是，该水性漆在未加入色浆之前是灰白色的，本文中加热色浆的目的就是使该水性漆变为有颜色的漆，通过色浆的加入使得该水性漆颜色多样化，颜色鲜艳性，满足人们对其外观装饰性的需求。
上述玻璃钢管用水性漆中，以水作为溶剂，降低了成本，节省大量资源；降低环境污染，改善作业环境条件。水典型但非限制性的含量为6份、7份、8份或9份。
当上述水性丙烯酸树脂、有机硅改性氟碳乳液、助剂、色浆和水采用上述组分组成和配比时，协同作用更佳，更有助于提升的产品的性能，颜色多样化，并且上述原料成本低廉，绿色环保，对环境无污染。即通过上述各原料功能上的相互配合、支撑，以及比例间的相互制约和搭配， 使得该超水性漆综合性能较好，超低VOC挥发，尤其可针对性的改善水性漆在玻璃钢管上的流平性，提高对光滑表面的附着力，与玻璃钢管的相容性好，耐水性优异，可实现60小时50℃温水煮不脱落的效果。
需要说明的是，本公开对于水性丙烯酸树脂、有机硅改性氟碳乳液、助剂和色浆的来源没有特殊的限制，采用本领域技术人员所熟知的各原料即可；如可以采用其市售商品，也可以采用本领域技术人员熟知的制备方法自行制备。
在一种优选的实施方式中，所述玻璃钢管用水性漆主要由以下质量份的原料制备而成：
水性丙烯酸树脂45～50份、有机硅改性氟碳乳液5～10份、助剂9～12份、色浆34～35份和水7～8份。
在一种优选的实施方式中，所述玻璃钢管用水性漆主要由以下质量份的原料制备而成：
水性丙烯酸树脂46～48份、有机硅改性氟碳乳液6～9份、助剂10～11份、色浆34～35份和水7～8份。
通过对各组分用量的进一步调整和优化，充分发挥各组分之间的协同配合作用，进一步使得水性丙烯酸树脂与有机硅改性氟碳乳液高效配合，达到更好低排放环保、耐水长久的效果，进一步提高涂料的综合性能。
进一步地讲，上述水性漆所采用的原料价格低廉，成膜性能好，同时，成膜无需使用成膜助剂，使得该水性涂料的VOC含量大大降低。
上述玻璃钢管用水性漆配方中，所涉及到基本原料和添加剂，如水性丙烯酸树脂、有机硅改性氟碳乳液、助剂等，可以选择本领域在制备涂料中已知常用的种类，但为了实现各组分间更好的配合/协同效果，本公开对配方中各组分作出了如下优选限定：
优选地，所述水为去离子水，可以使用商购产品或者进行自制。
优选地，所述助剂包括分散剂、流平剂和消泡剂中的一种或至少两种。可以理解的是，该水性漆中，助剂包括但不限于本领域中常用的上述几种助剂类型，例如，助剂可以仅为分散剂，可以仅为流平剂，可以仅为消泡剂，可以为分散剂、流平剂和消泡剂中的任意两种，也可以为分散剂、流平剂和消泡剂。
更优选地，所述助剂包括分散剂、流平剂和消泡剂。
其中，所述分散剂可采用本领域的常用类型的分散剂，例如可以列举为聚羧酸钾盐、聚羧酸钠盐、聚羧酸铵盐、六偏磷酸钠、纤维素衍生物或聚丙烯酰胺中等的一种或多种的组合。
再如，所述分散剂可选自以下中的至少一种：Tech－6190、Tego－690、CFC－661、CFC－690、CFC－602W或BYK系列分散剂。
较佳的，分散剂为Tech－6190或Tego－690。
所述流平剂可选自以下中的至少一种：迪高482(TEGO Glide 482)、迪高410(TEGO Glide 410)、迪高450(TEGO Glide 450)或BYK333。
较佳的，流平剂为迪高482。
需要说明的是，TEGO Glide 482的化学成分为聚二甲基氧烷乳液，为德国迪高公司产品；TEGO Glide 410的化学成分为聚醚硅氧烷共聚物，为德国迪高公司产品。
所述消泡剂可以采用本领域的常用类型的消泡剂，例如可以选用有机硅消泡剂、聚合物消泡剂、矿物油消泡等。
再如，所述消泡剂可以选用以下中的至少一种：Tech－321W、Tech－362W、Tech－381W、Tech－391W、BYK系列消泡剂或Tego系列消泡剂等。
较佳的，消泡剂为Tech－321W。
需要说明的是，上述牌号的分散剂、流平剂和消泡剂均为市售的，为本领域技术人员已知的，本公开在此不再详细介绍。
优选地，所述色浆包括水性有机色浆或水性无机色浆；
优选地，所述色浆为水性有机色浆。
所述水性有机色浆的颜色可以为蓝、绿、黄、红、黑等常见颜色。所述水性有机色浆可以采用本领域常用类型的水性有机色浆，例如，水性有机色浆可以为由去离子水和有机颜料研磨而成；不同的有机颜料的颜色根据产品需要进行颜色的调配或添加。例如，水洗有机色浆可以为苏州世名科技股份有限公司提供的产品。
通过加入水性有机色浆使得本公开提供的玻璃钢管用水性漆的漆膜更加美观，使用水性有机色浆对水性漆进行调色，相容性好，着色力高，颜色更加鲜丽。
优选地，按质量份数计，所述助剂包括分散剂2～5份、流平剂4～8份和消泡剂1～3份。
更优选地，按质量份数计，所述助剂包括分散剂3～4份、流平剂5～6份和消泡剂1～2份。
可以针对性的选择具有特定功能的助剂及其用量，有助于改善所得水性漆的综合性能。
优选地，所述水性丙烯酸树脂的选自陶氏AEH－2014、陶氏J－678、陶氏MaincoteTM PR－71K、巴德富3230D或万华化学Antkote－2042中的至少一种。
需要说明的是，上述陶氏AEH－2014是指由美国陶氏化学公司提供的型号为AEH－2014的水性丙烯酸树脂产品；同样的，陶氏J－678是指由美国陶氏化学公司提供的型号为J－678的水性丙烯酸树脂产品；如此类似。
根据本公开，水性丙烯酸树脂可以为陶氏AEH－2014，可以为陶氏J－678，可以为陶氏MaincoteTM PR－71K，可以为巴德富3230D，可以为万华化学Antkote－2042，也可以为陶氏AEH－2014和陶氏J－678等。
较佳的，采用美国陶氏提供的水性丙烯酸树脂，尤其是选用陶氏AEH－2014。其既可以附着在较难附着的底材上，又具有一定的防腐蚀性能，性能优异。
优选地，所述有机硅改性氟碳乳液的聚合方法包括物理共混法和/或化学改性法；
优选地，所述有机硅改性氟碳乳液的聚合方法为化学改性法。
可以理解的是，上述有机硅改性氟碳乳液既可以采用物理共混法制备得到，也可以采用化学改性法制备得到。
其中，物理共混法是将有机硅原料直接加入到氟碳树脂中进行物理混合改性。化学改性或化学聚合主要是通过含硅、含氟单体共聚或通过其他方法在有机氟碳聚合物主链上引入含硅基团，形成嵌段、接枝或互穿网络共聚物，达到其改性的目的。
进一步的，本文中，上述有机硅改性氟碳树脂可以采用有机硅单体与氟碳树脂单体共聚合所得到。有机硅改性氟碳树脂可采用本领域公知的有机硅改性方式来进行，有机硅单体可为常见的有机硅单体，如KH－550、KH－560等。可列举出一种现有的有机硅改性氟碳树脂的制备方法，例如可参照期刊文献“氟碳树脂的合成及有机硅改性，周晓东等，合成树脂及塑料”，也可参照期刊文献“有机硅改性氟碳树脂的性能研究，范波波等”；再如也可以参照公开号为CN104231122A所公开的一种有机硅改性的氟碳树脂及其制备方法。
可以理解的是，本公开对于有机硅改性氟碳乳液的来源没有特殊的限制，其可以采用市售商品，也可以按照上述公开的制备方法进行自行制备。
作为本公开的一种优选实施方式，所述玻璃钢管用水性漆包括按质量份数计的如下组分：
水性丙烯酸树脂45～50份、有机硅改性氟碳乳液5～10份、分散剂3～4份、流平剂5～6份、消泡剂1～2份、水性有机色浆34～35份和水7～8份。
需要说明的是，本公开所述的“包括”或者“主要由……制备而成”，意指其除所述组分外，还可以包括其他组分，这些其他组分赋予所述玻璃钢管用水性漆不同的特性。除此之外，本公开所述的“包括”，还可以替换为封闭式的“为”或“由……组成”。
例如，玻璃钢管用水性漆，主要由以下质量份的原料制备而成：水性丙烯酸树脂40～55份、有机硅改性氟碳乳液4～12份、助剂5～15份、色浆32～36份和水6～9份。可以替换为封闭式的写法，即，玻璃钢管用水性漆，由以下质量份的原料制备而成：水性丙烯酸树脂40～55份、有机硅改性氟碳乳液4～12份、助剂5～15份、色浆32～36份和水6～9份。
第二方面，在一些实施例中还提供一种上述的玻璃钢管用水性漆的制备方法，包括以下步骤：按配方量将水性丙烯酸树脂、有机硅改性氟碳乳液、助剂、色浆和水混合均匀，得到玻璃钢管用水性漆。
上述的水性漆的制备方法，将配方量的各组分搅拌混合均匀，即得所述水性漆。不仅具有清洁、高效、低成本的优点，制得的产品性能优异，具有附着力强、耐水性好、极低VOC挥发的特点；而且操作简便，环境友好，制备条件温和，投资少，能耗低，无需采用复杂的设备系统，容易实现工业化大规模生产，具有工业实用性。
第三方面，在一些实施例中还提供一种上述的玻璃钢管用水性漆的使用方法，所述水性漆的使用方法包括擦涂、刷涂、辊涂和喷涂中的至少一种；
优选地，所述水性漆的使用方法为喷涂；
优选地，所述喷涂包括将水性丙烯酸树脂、有机硅改性氟碳乳液、助剂、色浆和水混合均匀，喷涂在玻璃钢管基材表面，自然干燥。
需要说明的是，所述自然干燥是指，在自然环境中进行干燥，或者不采用任何的加热干燥设备，在自然条件(常温)下进行干燥，也可以简称为自干。
本公开的水性漆在使用过程中，可以采用本领域的涂覆方法，包括但不限于擦涂、刷涂、辊涂和喷涂等，将配制好的水性漆涂覆在玻璃钢管基材表面；在常温下操作即可，无需加热烘烤，节省能源和设备投资，简洁方便，省工省时，环境友好，大大降低了生产成本。
也就是说，该水性漆可直接喷涂在工件表面，具有使用简单，干燥温度低，可在常温下干燥固化的特点，节省了能耗，降低了成本，便于施工，还能够有效改善涂装作业人员的工作环境，有利于促进经济与环境协调发展。
第四方面，在一些实施例中还提供一种上述的玻璃钢管用水性漆在海洋管道或地下管道中的应用。
需要说明的是，所述海洋管道主要是指应用在海洋中的玻璃钢管管道，所述地下管道主要是指埋藏在地下的玻璃钢管管道。
本公开的玻璃钢管用水性漆不仅在基材上具有较好的流平性、附着力强、耐水性优异、可常温自干，与玻璃钢管的相容性好，而且VOC极低，清洁环保无污染，因而可以应用在各种环境场合的玻璃钢管中，例如应用玻璃钢管的海洋、地下管道等。
应当理解的是，上述玻璃钢管用水性漆的制备方法及其使用方法的说明中未详细描述的内容，例如喷涂的具体的操作等，均是本领域技术人员容易想到的常用参数，因此可以省略对其的详细说明。
下面结合具体实施例、对比例，对本公开作进一步说明。
实施例1－3
玻璃钢管用水性漆，其配方如表1所示。
表1 实施例1－3的玻璃钢管用水性漆的配方
Figure PCTCN2019088195-appb-000001
实施例4
玻璃钢管用水性漆，包括按质量份数计的如下组分：
Figure PCTCN2019088195-appb-000002
实施例5
玻璃钢管用水性漆，包括按质量份数计的如下组分：
Figure PCTCN2019088195-appb-000003
Figure PCTCN2019088195-appb-000004
实施例6
玻璃钢管用水性漆，包括按质量份数计的如下组分：
Figure PCTCN2019088195-appb-000005
实施例7
玻璃钢管用水性漆，包括按质量份数计的如下组分：
Figure PCTCN2019088195-appb-000006
对比例1
一种玻璃钢管用水性漆，包括按质量份数计的如下组分：
水性丙烯酸树脂陶氏AEH－2014 55份、分散剂Tech－6190 4份、流平剂迪高482 6份、消泡剂Tech－321W 2份、水性有机色浆35份和水8份。
本对比例与实施例7的区别在于：本对比例玻璃钢管用水性漆中，不含有机硅改性氟碳乳液。
对比例2
一种玻璃钢管用水性漆，包括按质量份数计的如下组分：
有机硅改性氟碳乳液55份、分散剂Tech－6190 4份、流平剂迪高482 6份、消泡剂Tech－321W 2份、水性有机色浆35份和水8份。
本对比例与实施例7的区别在于：本对比例玻璃钢管用水性漆中，不含水性丙烯酸树脂。
对比例3
一种玻璃钢管用水性漆，包括按质量份数计的如下组分：
水性丙烯酸树脂陶氏AEH－2014 35份、有机硅改性氟碳乳液15份、分散剂Tech－6190 1份、流平剂迪高482 2份、消泡剂Tech－321W 5份、水性有机色浆20份和水12份。
本对比例与实施例7的区别在于：本对比例中，玻璃钢管用水性漆中的各组分原料的配比不在本公开保护的范围内。
性能测试
分别对各实施例和对比例的玻璃钢管用水性漆进行性能测试，包括附着力、耐水性、VOC含量等性能测试，测试结果如表2所示。
表2 性能测试结果
Figure PCTCN2019088195-appb-000007
Figure PCTCN2019088195-appb-000008
以上可以看出，本公开实施例提供的玻璃钢管用水性漆VOC含量极低，VOC含量约在4－5mg/L；附着力强，附着力小于等于1级；耐水性好，能够实现60小时50℃温水煮不脱落的效果。
另外，通过对比例和实施例的比较可知，改变涂料中各原料的配比，使得原料的配比不在本公开保护的范围内，或者删除其中的某一种组分，均不能实现上述效果。从而说明了本公开涂料所用配方选择了较佳的组分和用量，各原料协同配合，赋予了水性漆具有较佳的耐水性、附着力强，VOC含量低的性能，综合性能良好。
另外，通过本公开实施例制得的水性漆与现有的市售的油性漆作对比，测试结果表明，现有的油性漆在使用时需要高温100℃烘烤60分钟，而本公开实施例的水性漆无需高温烘烤，自干即可，降低了能耗；现有的油性漆的VOC含量约为400g/L，而本申请的水性漆的VOC含量约在4－5mg/L；现有的油性漆在24小时50℃温水煮即脱落，而本申请能够实现60小时50℃温水煮不脱落的效果。
最后应说明的是：以上各实施例仅用以说明本公开的技术方案，而非对其限制；尽管参照前述各实施例对本公开进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这 些修改或者替换，并不使相应技术方案的本质脱离本公开各实施例技术方案的范围。

Claims (10)

  1. 一种玻璃钢管用水性漆，其特征在于，主要由以下质量份的原料制备而成：
    水性丙烯酸树脂40～55份、有机硅改性氟碳乳液4～12份、助剂5～15份、色浆32～36份和水6～9份。
  2. 根据权利要求1所述的玻璃钢管用水性漆，其特征在于，主要由以下质量份的原料制备而成：
    水性丙烯酸树脂45～50份、有机硅改性氟碳乳液5～10份、助剂9～12份、色浆34～35份和水7～8份；
    优选地，主要由以下质量份的原料制备而成：
    水性丙烯酸树脂46～48份、有机硅改性氟碳乳液6～9份、助剂10～11份、色浆34～35份和水7～8份。
  3. 根据权利要求1所述的玻璃钢管用水性漆，其特征在于，所述水性丙烯酸树脂选自陶氏AEH－2014、陶氏J－678、陶氏MaincoteTM PR－71K、巴德富3230D或万华化学Antkote－2042中的至少一种；
    优选地，所述水性丙烯酸树脂为陶氏AEH－2014。
  4. 根据权利要求1所述的玻璃钢管用水性漆，其特征在于，所述有机硅改性氟碳乳液的聚合方法包括物理共混法和/或化学改性法；
    优选地，所述有机硅改性氟碳乳液的聚合方法为化学改性法。
  5. 根据权利要求1～4任一项所述的玻璃钢管用水性漆，其特征在于，所述助剂包括分散剂、流平剂和消泡剂中的一种或至少两种；
    优选地，所述助剂包括分散剂、流平剂和消泡剂。
  6. 根据权利要求5所述的玻璃钢管用水性漆，其特征在于，按质量份数计，分散剂的含量为2～5份，优选为3～4份；
    优选地，按质量份数计，流平剂的含量为4～8份，优选为5～6份；
    优选地，按质量份数计，消泡剂的含量为1～3份，优选为1～2份；
    优选地，按质量份数计，所述助剂包括分散剂2～5份、流平剂4～8份和消泡剂1～3份；
    优选地，按质量份数计，所述助剂包括分散剂3～4份、流平剂5～6份和消泡剂1～2份。
  7. 根据权利要求1～4任一项所述的玻璃钢管用水性漆，其特征在于，所述色浆包括水性有机色浆或水性无机色浆；
    优选地，所述色浆为水性有机色浆。
  8. 如权利要求1～7任一项所述的玻璃钢管用水性漆的制备方法，其特征在于，包括以下步骤：将水性丙烯酸树脂、有机硅改性氟碳乳液、助剂、色浆和水混合均匀，得到玻璃钢管用水性漆。
  9. 如权利要求1～7任一项所述的玻璃钢管用水性漆的使用方法，其特征在于，所述水性漆的使用方法包括擦涂、刷涂、辊涂和喷涂中的至少一种；
    优选地，所述水性漆的使用方法为喷涂；
    优选地，所述喷涂包括将配方量的水性丙烯酸树脂、有机硅改性氟碳乳液、助剂、色浆和水混合均匀，喷涂在玻璃钢管基材表面，自然干燥。
  10. 权利要求1～7任一项所述的玻璃钢管用水性漆在海洋管道或地下管道中的应用。
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CN112961568A (zh) * 2021-02-05 2021-06-15 青岛中氟氟碳材料有限公司 一种玻璃钢专用水性涂料及其制备方法以及喷涂方法
CN112961568B (zh) * 2021-02-05 2023-08-25 青岛中氟氟碳材料有限公司 一种玻璃钢专用水性涂料及其制备方法以及喷涂方法
CN113402937A (zh) * 2021-06-04 2021-09-17 苏州市三新材料科技股份有限公司 一种水性钢桶涂料、制备工艺及用途
CN113402937B (zh) * 2021-06-04 2022-07-12 苏州市三新材料科技股份有限公司 一种水性钢桶涂料、制备工艺及用途
CN113930152A (zh) * 2021-09-26 2022-01-14 洛阳双瑞防腐工程技术有限公司 一种水性有机硅耐高温涂料及其制备方法
CN113930152B (zh) * 2021-09-26 2022-06-17 洛阳双瑞防腐工程技术有限公司 一种水性有机硅耐高温涂料及其制备方法

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