CN115572532A - Coating for promoting compounding of basalt fibers and steel and preparation method thereof - Google Patents
Coating for promoting compounding of basalt fibers and steel and preparation method thereof Download PDFInfo
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- CN115572532A CN115572532A CN202211124260.0A CN202211124260A CN115572532A CN 115572532 A CN115572532 A CN 115572532A CN 202211124260 A CN202211124260 A CN 202211124260A CN 115572532 A CN115572532 A CN 115572532A
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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
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
- C03C25/16—Dipping
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/465—Coatings containing composite materials
- C03C25/47—Coatings containing composite materials containing particles, fibres or flakes, e.g. in a continuous phase
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a coating for promoting the compounding of basalt fibers and steel, which comprises the following raw materials: the method comprises the following raw materials: modified waterborne epoxy resin, organic silicon resin, polyurethane acrylate, a silane coupling agent, alkaline silica sol, inorganic functional filler and water. The coating disclosed by the invention has the advantages that through reasonable proportioning of raw materials, the adhesion performance is good, the drying is fast, the construction process is simple, after the basalt fibers are treated, the basalt fibers can be more tightly attached to the surface of steel products and cannot fall off, the bending performance, the compression performance, the fatigue performance and the like of a steel structure can be improved, the good stress performance of the structure is ensured, and the insulation performance and the durability of the structure are improved.
Description
Technical Field
The invention belongs to the technical field of chemical industry, and particularly relates to a coating for promoting the compounding of basalt fibers and steel and a preparation method thereof.
Background
Basalt fiber reinforced material (BFRP) is a novel durable material and is widely applied to the fields of concrete, geotextile, unidirectional cloth, geogrid, composite bars and the like. The basalt continuous fiber is a novel high-technology fiber formed by melting basalt ore at 1450-1500 ℃ and drawing the basalt ore through a spinneret plate, has excellent mechanical property and high temperature resistance, has the advantages of high tensile strength and elastic modulus, good insulativity, radiation resistance, excellent high-temperature stability and chemical stability, pure nature, no pollution, high cost performance and the like, and specifically comprises the following components in percentage by weight: the physical property is excellent, the tensile strength can reach more than 3000Mpa, which is far higher than that of the steel bar, and the elongation after fracture is relatively high; the chemical stability is strong, the long-term stability can be kept in acid and alkali corrosion environments, and the magnetic-resistant concrete can be widely applied to water environments such as salt lakes, seawater and the like and antimagnetic concrete buildings; the high-temperature stability is strong, the basalt fiber product can be kept stable in a high-temperature environment of more than 600 ℃, and the strength loss rate is low in long-term high temperature; the fatigue resistance is strong, and the high stability and durability are kept under the action of staggered transformation load; high insulation and high electromagnetic wave radiation permeability; the sound insulation and heat insulation are good; has better compatibility with materials such as metal, plastic cement, concrete and the like.
The S-BFRP composite special-shaped plate is formed by compounding a thick special-shaped steel plate base material and a basalt fiber material, the special-shaped steel plate is processed and pressed into an arc shape, the bending rigidity and the compressive strength are greatly increased compared with those of a round pipe and a flat steel plate, the S-BFRP composite special-shaped plate has stronger shock resistance and can also adapt to larger settlement and deformation, a combined structure is formed with an existing lining structure after the S-BFRP composite special-shaped plate is built, the combined structure is stressed together, the stress characteristic of a tunnel structure is improved, the insulativity and the durability of the structure are improved while the good stress performance of the structure is ensured, the S-BFRP composite special-shaped plate is perfectly suitable for an electrified railway tunnel, but the surface of the basalt fiber is chemically inert, the wetting property with matrix resin is poor, the compatibility of a composite interface, the binding force and other performances are poor, and the mechanical performance advantages of the basalt fiber cannot be fully exerted, so that various performances of the composite material are influenced.
Therefore, the problem that the technical personnel in the field need to solve is to provide the coating for promoting the compounding of the basalt fiber and the steel and the preparation method thereof.
Disclosure of Invention
In view of the above, the invention provides a coating for promoting the compounding of basalt fibers and steel, and solves the problems that the surface of basalt fibers is chemically inert, the binding property with steel is poor, the mechanical property advantage of the basalt fibers cannot be fully exerted, and the performance of the composite material is influenced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a coating for promoting the compounding of basalt fibers and steel comprises the following raw materials: modified waterborne epoxy resin, organic silicon resin, polyurethane acrylate, a silane coupling agent, alkaline silica sol, inorganic functional filler and water.
The coating disclosed by the invention has the advantages that through reasonable proportioning of raw materials, the adhesion performance is good, the drying is fast, the construction process is simple, and after the basalt fibers are treated, the basalt fibers can be more tightly attached to the surface of steel products and cannot fall off, so that the basalt fibers and the steel products can fully exert respective characteristics.
Preferably, the feed comprises the following raw materials in parts by weight: 10-30 parts of modified waterborne epoxy resin, 15-30 parts of organic silicon resin, 20-40 parts of polyurethane acrylate, 6-15 parts of silane coupling agent, 25-45 parts of alkaline silica sol, 4-20 parts of inorganic functional filler and 10-35 parts of water.
Preferably, the functional assistant also comprises 1-10 parts.
Preferably, the modified waterborne epoxy resin is a nitrile rubber modified waterborne epoxy resin.
Preferably, the inorganic functional filler includes mica powder, boron nitride, silicon nitride and nylon powder.
The crystal structure of the boron nitride has a graphite-like layered structure, is loose, lubricated and light, has better thermal stability and chemical properties than other materials, is beneficial to filling coating gaps, enables the coating to be more compact, improves the high-temperature service performance of the coating, has the characteristics of high strength, high hardness, high temperature resistance and chemical corrosion resistance, and is a high-performance electrical insulating material and a corrosion-resistant material; the two can be more closely attached to the surface of steel products after being combined with nylon powder and mica powder for use, and can not fall off, and the corrosion resistance is better.
Preferably, the mass ratio of the mica powder, the boron nitride, the silicon nitride and the nylon powder is 1-2.
Preferably, the functional assistant comprises at least one of an emulsifier, a defoaming agent, a wetting agent, an adhesion promoter, an antioxidant and a leveling agent.
By adding a proper amount of functional auxiliary agent into the system, the integral uniformity and stability of the coating system can be improved; meanwhile, the auxiliary agents also have the auxiliary functions of improving the punching property, the caking property, the adhesion and the brightness of the coating, are favorable for reducing the edge effect of the paint film and preventing the phenomena of paint film edge shrinkage and pinholes, and are favorable for implementing a coating process and improving the performance of the coating.
The preparation method of the coating for promoting the compounding of the basalt fibers and the steel comprises the following specific steps:
(1) Weighing the following raw materials in proportion: modified waterborne epoxy resin, organic silicon resin, polyurethane acrylate, a silane coupling agent, alkaline silica sol, inorganic functional filler and water for later use;
(2) Adding the inorganic functional filler into water, stirring at 40-60 ℃ for 20-30min, and cooling to room temperature to obtain a first mixture;
(3) Stirring the modified waterborne epoxy resin, the organic silicon resin, the polyurethane acrylate and the silane coupling agent for 10-15min at room temperature to obtain a second mixture;
(4) And stirring the first mixture, the second mixture and the alkaline silica sol at room temperature for 20-30min to obtain the coating for promoting the compounding of the basalt fibers and the steel.
Preferably, the rotation speed of the stirring in the step (2) is 2000-5000rpm.
Preferably, the rotation speed of the stirring in the steps (2) and (3) is 200-400rpm.
Preferably, the use method of the coating is as follows: and soaking the basalt fibers in the coating for 2-3h, winding or covering the basalt fibers on the surface of steel, and drying.
According to the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the coating disclosed by the invention has the advantages that through reasonable proportioning of raw materials, the adhesion performance is good, the drying is fast, the construction process is simple, after the basalt fibers are treated, the basalt fibers can be more tightly attached to the surface of steel products and cannot fall off, the bending performance, the compression performance, the fatigue performance and the like of a steel structure can be improved, the good stress performance of the structure is ensured, and the insulation performance and the durability of the structure are improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
The coating for promoting the compounding of the basalt fibers and the steel specifically comprises the following steps:
(1) Weighing the following raw materials in parts by weight: 10 parts of nitrile butadiene rubber modified waterborne epoxy resin, 15 parts of organic silicon resin, 20 parts of polyurethane acrylate, XH-106 parts of silane coupling agent, 25 parts of alkaline silica sol, 4 parts of inorganic functional filler and 20 parts of deionized water for later use; wherein, the inorganic functional filler is compounded by mica powder, boron nitride, silicon nitride and nylon powder with the mass ratio of 1.4;
(2) Adding an inorganic functional filler into deionized water, stirring at the rotating speed of 2000rpm for 20min at 40 ℃, and cooling to room temperature to obtain a first mixture;
(3) Stirring the modified waterborne epoxy resin, the organic silicon resin, the polyurethane acrylate and the silane coupling agent XH-10 at room temperature at the rotating speed of 200rpm for 10min to obtain a second mixture;
(4) And stirring the first mixture, the second mixture and the alkaline silica sol at the room temperature at the rotating speed of 200rpm for 20min to obtain the coating for promoting the compounding of the basalt fibers and the steel.
Example 2
(1) Weighing the following raw materials in parts by weight: 10 parts of nitrile butadiene rubber modified waterborne epoxy resin, 15 parts of organic silicon resin, 20 parts of polyurethane acrylate, XH-106 parts of silane coupling agent, 25 parts of alkaline silica sol, 4 parts of inorganic functional filler, 3 parts of dispersant polyethylene glycol and 20 parts of deionized water for later use; wherein, the inorganic functional filler is compounded by mica powder, boron nitride, silicon nitride and nylon powder with the mass ratio of 2.7;
(2) Adding an inorganic functional filler into deionized water, stirring at the rotating speed of 5000rpm at 40 ℃ for 20min, and cooling to room temperature to obtain a first mixture;
(3) Stirring the modified waterborne epoxy resin, the organic silicon resin, the polyurethane acrylate, the polyethylene glycol and the silane coupling agent XH-10 at the room temperature at the rotating speed of 400rpm for 10min to obtain a second mixture;
(4) And stirring the first mixture, the second mixture and the alkaline silica sol at the room temperature at the rotating speed of 400rpm for 30min to obtain the coating for promoting the compounding of the basalt fibers and the steel.
Example 3
(1) Weighing the following raw materials in parts by weight: 10 parts of nitrile rubber modified waterborne epoxy resin, 15 parts of organic silicon resin, 20 parts of urethane acrylate, XH-106 parts of silane coupling agent, 25 parts of alkaline silica sol, 4 parts of inorganic functional filler, 2 parts of polyethylene glycol, 3 parts of organic silicon defoamer and 20 parts of deionized water for later use; wherein, the inorganic functional filler is prepared by compounding mica powder, boron nitride, silicon nitride and nylon powder with the mass ratio of 1-2;
(2) Adding an inorganic functional filler into deionized water, stirring at the rotating speed of 2000rpm for 20min at 40 ℃, and cooling to room temperature to obtain a first mixture;
(3) Stirring the modified waterborne epoxy resin, the organic silicon resin, the polyurethane acrylate, the polyethylene glycol, the organic silicon defoaming agent and the silane coupling agent XH-10 at room temperature at the rotating speed of 200rpm for 10min to obtain a second mixture;
(4) And stirring the first mixture, the second mixture and the alkaline silica sol at the room temperature at the rotating speed of 200rpm for 20min to obtain the coating for promoting the compounding of the basalt fibers and the steel.
Application example
The traditional water-based epoxy resin which is commercially available for the coatings obtained in the embodiments 1-3 is subjected to composite application of basalt fibers and steel, and the concrete steps are as follows:
soaking basalt fiber cloth in the prepared coating for 3h, then adhering the basalt fiber cloth to two sides of a special-shaped steel plate base material which is processed and pressed by adopting a Q355 material into a circular arc shape with the section size of 200 multiplied by 55mm, and drying the special-shaped steel plate base material for 10h, wherein relevant detection data are shown in a table 1, wherein the used basalt fiber cloth is produced by Sichuan aerospace Tuxin basalt industry Limited company, the thickness of the fiber cloth is 0.115mm, the elastic modulus is 90GPa, the tensile strength is 2350MPa, and the elongation is 2.5%; the selected steel plates are all 16Mn steel with the thickness of 3.05mm, the elastic modulus is 200GPa, the yield strength is 430MPa, and the elongation is 20%;
table 1 examples 1-3 test data
| Item | Example 1 | Example 2 | Example 3 | Comparative example |
| Yield strength/MPa | 498 | 488 | 495 | 435 |
| Modulus of elasticity/GPa | 390 | 389 | 384 | 295 |
| adhesion/MPa | 17.6 | 17.5 | 16.8 | 12.6 |
As can be seen from the data in the table above, compared with the traditional commercially available waterborne epoxy resin, the coating disclosed by the invention has good adhesion property through reasonable proportioning of raw materials, and after the basalt fiber is treated, the coating can be more tightly attached to the surface of steel without falling off, so that the related properties of a steel structure can be improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use 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 applied to 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 (10)
1. The coating for promoting the compounding of the basalt fibers and the steel is characterized by comprising the following raw materials: modified waterborne epoxy resin, organic silicon resin, polyurethane acrylate, a silane coupling agent, alkaline silica sol, inorganic functional filler and water.
2. The coating for promoting the compounding of basalt fibers and steel according to claim 1, comprising the following raw materials in parts by weight: 10-30 parts of modified waterborne epoxy resin, 15-30 parts of organic silicon resin, 20-40 parts of polyurethane acrylate, 6-15 parts of silane coupling agent, 25-45 parts of alkaline silica sol, 4-20 parts of inorganic functional filler and 10-35 parts of water.
3. The coating for promoting the compounding of basalt fibers and steel according to claim 1, further comprising 1 to 10 parts of a functional additive.
4. The coating for promoting the compounding of basalt fibers and steel according to any one of claims 1 to 3, wherein the modified water-based epoxy resin is a nitrile rubber modified water-based epoxy resin.
5. The coating for promoting the compounding of basalt fiber with steel according to any one of claims 1 to 3, wherein the inorganic functional filler comprises mica powder, boron nitride, silicon nitride and nylon powder.
6. The coating for promoting the compounding of basalt fiber and steel according to claim 5, wherein the mass ratio of the mica powder, the boron nitride, the silicon nitride and the nylon powder is 1-2.
7. The coating for promoting the compounding of basalt fiber and steel according to claim 3, wherein the functional auxiliary comprises at least one of an emulsifier, a defoamer, a wetting agent, an adhesion promoter, an antioxidant and a leveling agent.
8. A preparation method of a coating for promoting the compounding of basalt fibers and steel is characterized by comprising the following specific steps:
(1) Weighing the following raw materials in proportion: modified waterborne epoxy resin, organic silicon resin, polyurethane acrylate, a silane coupling agent, alkaline silica sol, inorganic functional filler and water for later use;
(2) Adding the inorganic functional filler into water, stirring at 40-60 ℃ for 20-30min, and cooling to room temperature to obtain a first mixture;
(3) Stirring the modified waterborne epoxy resin, the organic silicon resin, the polyurethane acrylate and the silane coupling agent for 10-15min at room temperature to obtain a second mixture;
(4) And stirring the first mixture, the second mixture and the alkaline silica sol at room temperature for 20-30min to obtain the coating for promoting the compounding of the basalt fibers and the steel.
9. The preparation method of the coating for promoting the compounding of the basalt fiber and the steel according to claim 8, wherein the stirring speed in the step (2) is 2000rpm to 5000rpm.
10. The preparation method of the coating for promoting the compounding of the basalt fiber and the steel according to claim 8, wherein the stirring in the steps (2) and (3) is performed at a rotating speed of 200-400rpm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211124260.0A CN115572532A (en) | 2022-09-15 | 2022-09-15 | Coating for promoting compounding of basalt fibers and steel and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211124260.0A CN115572532A (en) | 2022-09-15 | 2022-09-15 | Coating for promoting compounding of basalt fibers and steel and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729544A (en) * | 2012-07-20 | 2012-10-17 | 武汉大学 | FRP (Fiber Reinforced Polymer)-steel advanced composite material for structure reinforcement and preparation method thereof |
| CN102994031A (en) * | 2012-10-31 | 2013-03-27 | 安徽东方金河精密机械制造有限公司 | Epoxy adhesive |
| CN108148532A (en) * | 2018-02-06 | 2018-06-12 | 黑龙江省科学院石油化学研究院 | A kind of normal temperature cure organic-inorganic composite high-temperature Resistance Adhesives and preparation method thereof |
| CN109468101A (en) * | 2018-09-25 | 2019-03-15 | 宿州学院 | A kind of high fire-retardance epoxy resin adhesive |
| CN110590304A (en) * | 2019-10-31 | 2019-12-20 | 乐山一拉得电网自动化有限公司 | Basalt fiber composite novel wall material and preparation method thereof |
| CN111040522A (en) * | 2019-12-17 | 2020-04-21 | 安徽鹿客通讯科技有限公司 | Steel structure fireproof coating with excellent fireproof and heat-insulating properties and preparation method thereof |
| CN114734696A (en) * | 2022-03-15 | 2022-07-12 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Basalt fiber-steel composite corrugated plate and preparation method thereof |
-
2022
- 2022-09-15 CN CN202211124260.0A patent/CN115572532A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729544A (en) * | 2012-07-20 | 2012-10-17 | 武汉大学 | FRP (Fiber Reinforced Polymer)-steel advanced composite material for structure reinforcement and preparation method thereof |
| CN102994031A (en) * | 2012-10-31 | 2013-03-27 | 安徽东方金河精密机械制造有限公司 | Epoxy adhesive |
| CN108148532A (en) * | 2018-02-06 | 2018-06-12 | 黑龙江省科学院石油化学研究院 | A kind of normal temperature cure organic-inorganic composite high-temperature Resistance Adhesives and preparation method thereof |
| CN109468101A (en) * | 2018-09-25 | 2019-03-15 | 宿州学院 | A kind of high fire-retardance epoxy resin adhesive |
| CN110590304A (en) * | 2019-10-31 | 2019-12-20 | 乐山一拉得电网自动化有限公司 | Basalt fiber composite novel wall material and preparation method thereof |
| CN111040522A (en) * | 2019-12-17 | 2020-04-21 | 安徽鹿客通讯科技有限公司 | Steel structure fireproof coating with excellent fireproof and heat-insulating properties and preparation method thereof |
| CN114734696A (en) * | 2022-03-15 | 2022-07-12 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Basalt fiber-steel composite corrugated plate and preparation method thereof |
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