CN113234379A - High-wear-resistance high-anti-fouling fast-melting road marking hot-melt coating and preparation technology thereof - Google Patents
High-wear-resistance high-anti-fouling fast-melting road marking hot-melt coating and preparation technology thereof Download PDFInfo
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
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- 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
- C09D7/47—Levelling agents
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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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- 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
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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Abstract
The invention provides a high-wear-resistance high-anti-fouling fast-melting road marking hot-melting coating and a preparation technology thereof, belonging to the technical field of coatings, and the high-wear-resistance high-anti-fouling fast-melting road marking hot-melting coating comprises the following raw material formula in parts by weight: 20-40 parts of modified epoxy resin, 15-30 parts of phenolic resin, 10-30 parts of dioctyl phthalate, 30-50 parts of heavy calcium powder, 5-10 parts of coloring pigment, 12-20 parts of inorganic filler, 5 parts of flatting agent, 3 parts of defoaming agent, 5 parts of wetting agent, 22-34 parts of wax, 5-15 parts of silver ion bactericidal powder and 10-20 parts of glass beads; the high-wear-resistance high-anti-fouling fast-melting environment-friendly reflective road marking hot-melt coating developed by the invention can protect the road marking from being polluted easily after being sprayed to form a marking, and the anti-fouling performance of the road marking hot-melt coating is greatly improved; meanwhile, the added coloring pigment enables the light reflection performance to be better, and the added modified epoxy resin, phenolic resin, dioctyl phthalate, inorganic filler and heavy calcium powder enables the wear resistance to be obviously improved.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a high-wear-resistance high-anti-fouling fast-melting road marking hot-melting coating and a preparation technology thereof.
Background
With the increasing development of the traffic industry, the construction of the expressway is continuously increased, and the demand for road marking is increased. Therefore, the research on the road marking paint not only has scientific significance and economic value, but also has wide application prospect. The road marking paint is required to have weather resistance and vehicle impact resistance firstly, and is required to have short drying time, strong cohesive force and high visibility secondly.
At present, three types of road marking coatings which are common in the market mainly comprise hot-melt type, water-soluble type and normal-temperature solvent type road marking coatings. However, the existing hot-melt coating has higher manufacturing cost than water-soluble and normal-temperature solvent-based coatings, is troublesome to construct, is not environment-friendly, and has poorer wear resistance, so most of the existing hot-melt coatings are water-soluble coatings and normal-temperature solvent-based coatings, but the water-soluble coatings use water as a solvent, greatly save resources, have little air pollution, but have high requirements on equipment and pavements, strict requirements on construction environments and poor water resistance; the content of organic volatile matters in the normal-temperature solvent-based paint is high, great harm is caused to a human body in the production, transportation and construction processes, and meanwhile, the environment is polluted; therefore, the high-abrasion-resistance high-stain-resistance quick-melting road marking hot-melting coating is provided.
Disclosure of Invention
The invention aims to provide a high-wear-resistance high-stain-resistance fast-melting road marking hot-melting coating and a preparation technology thereof, and aims to solve the problems that the cost of the hot-melting coating in the prior art is higher than that of a water-soluble type and normal-temperature solvent type coating, the construction is troublesome, the hot-melting coating is not environment-friendly, and the wear resistance is poor.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-wear-resistance high-antifouling fast-melting road marking hot-melt coating comprises the following raw material formula in parts by weight: 20-40 parts of modified epoxy resin, 15-30 parts of phenolic resin, 10-30 parts of dioctyl phthalate, 30-50 parts of heavy calcium powder, 5-10 parts of coloring pigment, 12-20 parts of inorganic filler, 5 parts of flatting agent, 3 parts of defoaming agent, 5 parts of wetting agent, 22-34 parts of wax, 5-15 parts of silver ion bactericidal powder and 10-20 parts of glass beads.
As a preferred scheme of the invention, the leveling agent is prepared by mixing one or more of argil, styrene butadiene rubber and calcium carbonate according to any proportion.
As a preferable scheme of the invention, the defoaming agent is prepared by mixing one or more of distearyl diethylamine, silicon paste, polyglycol ether and polydimethylsiloxane according to any proportion.
In a preferred embodiment of the present invention, the wetting agent alkylnaphthalene sulfonate and one or more anions are mixed in any ratio.
In a preferred embodiment of the present invention, the inorganic filler is one or more of quartz sand, particles and glass sand.
In a preferred embodiment of the present invention, the glass microspheres have a particle size of 5 to 150 microns and a wall thickness of 0.8 to 1.8 microns.
In a preferred embodiment of the present invention, the coloring pigment is one or more of white or yellow, and the coloring pigment is a high-temperature resistant pigment.
As a preferable scheme of the invention, the coating comprises the following raw material formula in parts by weight: 25-35 parts of modified epoxy resin, 20-25 parts of phenolic resin, 15-25 parts of dioctyl phthalate, 35-45 parts of heavy calcium powder, 6-8 parts of coloring pigment, 14-18 parts of inorganic filler, 5 parts of flatting agent, 3 parts of defoaming agent, 5 parts of wetting agent, 25-30 parts of wax, 8-12 parts of silver ion bactericidal powder and 13-17 parts of glass beads.
As a preferable scheme of the invention, 30 parts of modified epoxy resin, 22 parts of phenolic resin, 20 parts of dioctyl phthalate, 40 parts of heavy calcium powder, 7 parts of coloring pigment, 16 parts of inorganic filler, 5 parts of leveling agent, 3 parts of defoaming agent, 5 parts of wetting agent, 27 parts of wax, 10 parts of silver ion sterilization powder and 15 parts of glass beads.
As a preferred embodiment of the present invention, a method for preparing a high abrasion-resistant high anti-fouling fast melting road marking hot melt coating of any one of claims 1 to 9 comprises the following steps:
s1, sampling according to parts by weight, adding the modified epoxy resin, the phenolic resin, the dioctyl phthalate, the heavy calcium powder and the wax into a stirrer for mixing, stirring at the speed of 280r/min for 5min, adding the silver ion sterilization powder, stirring at the speed of 350r/min for 10min, and obtaining a component A after stirring;
s2, sampling according to parts by weight, sequentially adding the inorganic filler and the glass beads into a stirrer to be mixed with the component A, stirring for 3min at the speed of 280r/min, then adding the coloring pigment, and stirring for 3min at the same rotating speed again; pouring the mixture into a ball mill, sequentially adding a leveling agent, a defoaming agent and a wetting agent into the ball mill, carrying out ball milling at the ball milling rotation speed of 375r/min for 10-15min at a ball-to-material ratio of 4:11, and obtaining a component B after the ball milling is finished for later use;
s3, heating the component B prepared in the step S2, simultaneously, continuously stirring the component B at the speed of 200r/min by continuously stirring the component B during heating until the temperature reaches 190-210 ℃, stopping stirring after the component B is completely converted into a liquid state, pouring out the liquid, placing the liquid indoors, and naturally cooling the liquid for 5-10 minutes to obtain the high-wear-resistance high-anti-pollution fast-melting environment-friendly reflective road marking hot-melt coating.
Compared with the prior art, the invention has the beneficial effects that:
1. the high-wear-resistance high-anti-fouling fast-melting environment-friendly reflective road marking hot-melt coating developed by the invention can protect the road marking from being polluted easily after being sprayed to form a marking, and the anti-fouling performance of the road marking hot-melt coating is greatly improved; meanwhile, the added coloring pigment can still be obvious after being used for a long time, has good night visibility and better light reflection performance, provides a good driving environment for drivers, and obviously improves the wear resistance through the added modified epoxy resin, phenolic resin, dioctyl phthalate, inorganic filler and heavy calcium powder.
2. The leveling agent is added, so that the hardness of the coating is obviously improved, the using weight part of the resin is reduced, and meanwhile, the performances of the prepared coating are not lower than those of the coating added with a large amount of resin in the market at present, so that the preparation cost of the hot-melt coating is greatly reduced, and the hot-melt coating is more environment-friendly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of the high wear-resistant high anti-fouling fast-melting road marking hot-melt coating structure and the preparation technology thereof.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides the following technical solutions:
a high-wear-resistance high-antifouling fast-melting road marking hot-melt coating comprises the following raw material formula in parts by weight: 20 parts of modified epoxy resin, 15 parts of phenolic resin, 10 parts of dioctyl phthalate, 30 parts of heavy calcium powder, 5 parts of coloring pigment, 12 parts of inorganic filler, 5 parts of flatting agent, 3 parts of defoaming agent, 5 parts of wetting agent, 22 parts of wax, 5 parts of silver ion sterilization powder and 10 parts of glass beads.
In the specific embodiment of the invention, the modified epoxy resin has good heat resistance and flame resistance, the service life is prolonged, so that the prepared coating has stronger wear resistance, longer service life and difficult wear, and the phenolic resin has higher high-temperature resistance, so that the structural integrity and dimensional stability of the phenolic resin can be kept under high-temperature hot melting, and the wear resistance of the prepared coating is further improved; the dioctyl phthalate has good comprehensive performance and good mixing performance, so that the coating is more uniform, and the heavy calcium powder has the characteristics of high whiteness, good purity, soft hue, stable chemical components and the like; the paint has the characteristics of easy dispersion, good gloss and the like, and the coloring pigment is medium white titanium dioxide 706 and yellow titanium yellow, so that the paint is clearer after being drawn into a road marking and has good light reflectivity; the inorganic filler is composed of quartz sand, particles and glass sand, so that the prepared coating has stronger wear resistance and greatly prolonged service life; the added leveling agent obviously improves the hardness of the coating, so that the using weight part of the resin is reduced, and meanwhile, the performances of the coating prepared by the leveling agent are not lower than those of the coating added with a large amount of resin in the market at present, so that the preparation cost of the hot-melt coating is greatly reduced, and the hot-melt coating is more environment-friendly; the defoaming agent enables other raw materials in parts by weight to be better fused during the preparation of the coating; the prepared coating has good antibacterial property due to the silver ion bactericidal powder, so that the coating is not easily polluted by bacteria, and the antifouling property is obviously improved; by adding the wax, the resin-coated filler and the pigment have better wetting effect, so that the leveling of the surface is improved; after the glass beads are filled, the basis weight of the coating can be greatly reduced, more production resin can be replaced and saved, and the product cost is reduced.
Specifically, the leveling agent is prepared by mixing one or more of argil, butadiene styrene rubber and calcium carbonate according to any proportion.
Specifically, the defoaming agent is prepared by mixing one or more of distearoyl diethylamine, silicon paste, polyglycol ether and polydimethylsiloxane according to any proportion.
Specifically, the wetting agent alkylnaphthalene sulfonate and one or more parts of anions are mixed according to any proportion.
Specifically, the inorganic filler is one or more of quartz sand, particles and glass sand.
Specifically, the glass beads have a particle size of 5-150 microns and a wall thickness of 0.8-1.8 microns.
Specifically, the coloring pigment is one or more of white or yellow, and the coloring pigment is a high-temperature resistant pigment.
Specifically, the method for preparing the high-wear-resistance high-stain-resistance fast-melting road marking hot-melting coating comprises the following steps:
s1, sampling according to parts by weight, adding the modified epoxy resin, the phenolic resin, the dioctyl phthalate, the heavy calcium powder and the wax into a stirrer for mixing, stirring at the speed of 280r/min for 5min, adding the silver ion sterilization powder, stirring at the speed of 350r/min for 10min, and obtaining a component A after stirring;
s2, sampling according to parts by weight, sequentially adding the inorganic filler and the glass beads into a stirrer to be mixed with the component A, stirring for 3min at the speed of 280r/min, then adding the coloring pigment, and stirring for 3min at the same rotating speed again; pouring the mixture into a ball mill, sequentially adding a leveling agent, a defoaming agent and a wetting agent into the ball mill, carrying out ball milling at the ball milling rotation speed of 375r/min for 10-15min at a ball-to-material ratio of 4:11, and obtaining a component B after the ball milling is finished for later use;
s3, heating the component B prepared in the step S2, simultaneously, continuously stirring the component B at the speed of 200r/min by continuously stirring the component B during heating until the temperature reaches 190-210 ℃, stopping stirring after the component B is completely converted into a liquid state, pouring out the liquid, placing the liquid indoors, and naturally cooling the liquid for 5-10 minutes to obtain the high-wear-resistance high-anti-pollution fast-melting environment-friendly reflective road marking hot-melt coating.
Example 2
A high-wear-resistance high-antifouling fast-melting road marking hot-melt coating comprises the following raw material formula in parts by weight: 25 parts of modified epoxy resin, 20 parts of phenolic resin, 15 parts of dioctyl phthalate, 35 parts of heavy calcium powder, 6 parts of coloring pigment, 14 parts of inorganic filler, 5 parts of flatting agent, 3 parts of defoaming agent, 5 parts of wetting agent, 25 parts of wax, 8 parts of silver ion sterilization powder and 13 parts of glass beads.
The preparation method of example 2 is the same as that of example 1 except that the weight parts of the raw materials are different, and the preparation method is not described herein again.
Example 3
A high-wear-resistance high-antifouling fast-melting road marking hot-melt coating comprises the following raw material formula in parts by weight: 30 parts of modified epoxy resin, 22 parts of phenolic resin, 20 parts of dioctyl phthalate, 40 parts of heavy calcium powder, 7 parts of coloring pigment, 16 parts of inorganic filler, 5 parts of flatting agent, 3 parts of defoaming agent, 5 parts of wetting agent, 27 parts of wax, 10 parts of silver ion sterilization powder and 15 parts of glass beads.
The preparation method of example 3 is the same as that of example 1 except that the weight parts of the raw materials are different, and the preparation method thereof is not described herein again.
Example 4
A high-wear-resistance high-antifouling fast-melting road marking hot-melt coating comprises the following raw material formula in parts by weight: 35 parts of modified epoxy resin, 25 parts of phenolic resin, 25 parts of dioctyl phthalate, 45 parts of heavy calcium powder, 8 parts of coloring pigment, 18 parts of inorganic filler, 5 parts of flatting agent, 3 parts of defoaming agent, 5 parts of wetting agent, 30 parts of wax, 12 parts of silver ion sterilization powder and 17 parts of glass beads.
The preparation method of example 4 is the same as that of example 1, except that the weight parts of the raw materials are different, and the preparation method is not repeated herein.
Example 5
A high-wear-resistance high-antifouling fast-melting road marking hot-melt coating comprises the following raw material formula in parts by weight: 40 parts of modified epoxy resin, 30 parts of phenolic resin, 30 parts of dioctyl phthalate, 50 parts of heavy calcium powder, 10 parts of coloring pigment, 20 parts of inorganic filler, 5 parts of flatting agent, 3 parts of defoaming agent, 5 parts of wetting agent, 34 parts of wax, 15 parts of silver ion sterilization powder and 20 parts of glass beads.
The preparation method of example 5 is the same as that of example 1 except that the weight parts of the raw materials are different, and the preparation method thereof is not described herein again.
According to examples 1-5, the abrasion resistance of the coating was tested by passing through a rubber grinding wheel, and the viscosity and the chromaticity of the coating were also tested, and the test results are shown in Table I
Table one: experimental data sheet
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The high-wear-resistance high-antifouling fast-melting road marking hot-melt coating is characterized by comprising the following raw material formula in parts by weight: 20-40 parts of modified epoxy resin, 15-30 parts of phenolic resin, 10-30 parts of dioctyl phthalate, 30-50 parts of heavy calcium powder, 5-10 parts of coloring pigment, 12-20 parts of inorganic filler, 5 parts of flatting agent, 3 parts of defoaming agent, 5 parts of wetting agent, 22-34 parts of wax, 5-15 parts of silver ion sterilization powder and 10-20 parts of glass beads.
2. The high-abrasion-resistance high-antifouling fast melting road marking hot melting coating as claimed in claim 1, wherein the leveling agent is prepared by mixing one or more of pottery clay, styrene butadiene rubber and calcium carbonate according to any proportion.
3. The high-abrasion-resistance high-antifouling fast melting road marking hot melt coating as claimed in claim 2, wherein the defoaming agent is prepared by mixing one or more of distearyl diethylamine, silicon paste, polyglycol ether and polydimethylsiloxane according to any proportion.
4. The high abrasion-resistant high anti-fouling fast melting road marking hot melt coating as claimed in claim 3, wherein the wetting agent alkylnaphthalene sulfonate and one or more of the anions are mixed according to any proportion.
5. The high-abrasion-resistance high-antifouling fast melting road marking hot melting coating as claimed in claim 4, wherein the inorganic filler is one or more of quartz sand, particles and glass sand.
6. The high abrasion-resistant high anti-fouling fast melting road marking hot melt coating as claimed in claim 5, wherein the glass beads have a particle size of 5-150 μm and a wall thickness of 0.8-1.8. mu.m.
7. The high abrasion resistance and high antifouling speed melting road marking hot melt coating according to claim 6, wherein the coloring pigment is one or more of white or yellow, and the coloring pigment is a high temperature resistant pigment.
8. The high-wear-resistance high-antifouling fast melting road marking hot melt coating as claimed in claim 7, which is characterized by comprising the following raw material formula in parts by weight: 25-35 parts of modified epoxy resin, 20-25 parts of phenolic resin, 15-25 parts of dioctyl phthalate, 35-45 parts of heavy calcium powder, 6-8 parts of coloring pigment, 14-18 parts of inorganic filler, 5 parts of flatting agent, 3 parts of defoaming agent, 5 parts of wetting agent, 25-30 parts of wax, 8-12 parts of silver ion sterilization powder and 13-17 parts of glass beads.
9. The high-wear-resistance high-antifouling fast melting road marking hot melt coating as claimed in claim 8, wherein the modified epoxy resin is 30 parts, the phenolic resin is 22 parts, the dioctyl phthalate is 20 parts, the heavy calcium powder is 40 parts, the coloring pigment is 7 parts, the inorganic filler is 16 parts, the leveling agent is 5 parts, the defoaming agent is 3 parts, the wetting agent is 5 parts, the wax is 27 parts, the silver ion bactericidal powder is 10 parts, and the glass beads are 15 parts.
10. The method for preparing the high abrasion-resistant high anti-fouling fast melting road marking hot melt coating as claimed in any one of claims 1 to 9, which is characterized by comprising the following steps:
s1, sampling according to parts by weight, adding the modified epoxy resin, the phenolic resin, the dioctyl phthalate, the heavy calcium powder and the wax into a stirrer for mixing, stirring at the speed of 280r/min for 5min, adding the silver ion sterilization powder, stirring at the speed of 350r/min for 10min, and obtaining a component A after stirring;
s2, sampling according to parts by weight, sequentially adding the inorganic filler and the glass beads into a stirrer to be mixed with the component A, stirring for 3min at the speed of 280r/min, then adding the coloring pigment, and stirring for 3min at the same rotating speed again; pouring the mixture into a ball mill, sequentially adding a leveling agent, a defoaming agent and a wetting agent into the ball mill, carrying out ball milling at the ball milling rotation speed of 375r/min for 10-15min at a ball-to-material ratio of 4:11, and obtaining a component B after the ball milling is finished for later use;
s3, heating the component B prepared in the step S2, simultaneously, continuously stirring the component B at the speed of 200r/min by continuously stirring the component B during heating until the temperature reaches 190-210 ℃, stopping stirring after the component B is completely converted into a liquid state, pouring out the liquid, placing the liquid indoors, and naturally cooling the liquid for 5-10 minutes to obtain the high-wear-resistance high-anti-pollution fast-melting environment-friendly reflective road marking hot-melt coating.
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