CN111334104B - Road marking coating identified by automatic driving automobile radar system and preparation method thereof - Google Patents
Road marking coating identified by automatic driving automobile radar system and preparation method thereof Download PDFInfo
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- CN111334104B CN111334104B CN202010158231.0A CN202010158231A CN111334104B CN 111334104 B CN111334104 B CN 111334104B CN 202010158231 A CN202010158231 A CN 202010158231A CN 111334104 B CN111334104 B CN 111334104B
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- 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
-
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/16—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings
- E01C23/20—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ
- E01C23/22—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ by spraying
Abstract
The invention relates to a road marking coating identified by an automatic driving automobile radar system and a preparation method thereof, wherein the road marking coating is characterized in that: the conductive silver-coated glass powder comprises, by weight, 2-20 parts of an adhesive, 5-25 parts of a resin material, 0.1-2 parts of a peroxide curing agent, 1-5 parts of an epoxy curing agent, 0-5 parts of a reactive diluent, 10-25 parts of a conductive assistant, 10-35 parts of a conductive mica sheet, 10-30 parts of conductive silver-coated glass powder, 1-2 parts of a conductive accelerator and 0.5-2 parts of a dispersing agent. This road marking coating can be more accurate by autopilot system discernment, and then better discernment road condition, more accurate definite automobile position makes autopilot automatic safer, reliable.
Description
Technical Field
The invention relates to a road marking coating, in particular to a road marking coating identified by an automatic driving automobile radar system and a preparation method thereof.
Background
The automatic driving system is an important function of future automobile configuration and is a great progress of human civilization development. The existing automatic driving system needs to identify marks (lane marks)/marking lines (traffic marking lines) on the road surface to ensure that a vehicle cannot deviate from the lane and realize automatic turning driving and other operations, once the marks/marking lines on the road surface are blurred or covered by snow and the like to prevent the automatic driving system from identifying, the automatic driving system may lose accurate positioning capability or even cause traffic accidents, and the visible and clear marks/marking lines have importance on the automatic driving system.
The existing mark/marking is generally made of hot melt resin and pigment (for distinguishing), and the raw materials are divided and coated on a road to finish the manufacture of the mark and the marking; the main component hot-melt resin in the raw materials can not be rubbed for a long time, so that the phenomena of blurring, breakage, peeling, stain coverage and the like can easily occur after long-time use, and when an automatic driving system adopts camera positioning or radar identification mark/marking positioning, the incomplete mark/marking can cause system failure, thereby seriously affecting the driving safety; meanwhile, the marks/marked lines which are not recognized by the radar (including the millimeter wave radar and the laser radar) are unsafe, for example, the marks/marked lines cannot be seen by the camera in snow and rain weather, and the probability of derailment is greatly improved.
Therefore, further improvements are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a road marking coating identified by an automatic driving automobile radar system and a preparation method thereof.
The purpose of the invention is realized as follows:
the utility model provides a road marking coating of automatic driving car radar system discernment which characterized in that: the conductive silver-coated glass powder comprises, by weight, 2-20 parts of an adhesive, 5-25 parts of a resin material, 0.1-2 parts of a peroxide curing agent, 1-5 parts of an epoxy curing agent, 0-5 parts of a reactive diluent, 10-25 parts of a conductive assistant, 10-35 parts of a conductive mica sheet, 10-30 parts of conductive silver-coated glass powder, 1-2 parts of a conductive accelerator and 0.5-2 parts of a dispersing agent.
The adhesive is acrylate resin suitable for thermal initiation or cationic thermal initiation curing crosslinking, and includes but is not limited to acrylate monomer, acrylate oligomer, methacrylic acid monoester, epoxy acrylate, polyester acrylate, polyurethane acrylate, multifunctional acrylate, and multifunctional epoxy acrylic acid oligomer.
The resin material includes, but is not limited to, liquid epoxy, epoxy diluent, solid epoxy.
The peroxide curing agent includes, but is not limited to, acrysonobel peroxide, peroxy ketones, diacyl peroxides, peroxy esters, peroxy or ketals, peroxy carbonates.
The epoxy curing agent includes, but is not limited to, modified amine curing agents, phenolic amine curing agents, pure amine curing agents, polyamide curing agents.
The reactive diluent includes, but is not limited to, epoxy diluents, acrylate diluents.
The conductive mica sheets are large and small flaky mica sheets and/or flaky mica sheets; the conductive silver-coated glass powder is silver-plated glass powder and/or glass microspheres; the conductive promoter is one or a mixture of more than two of fluorine compounds, chlorine compounds and silicon compounds.
The preparation method of the road marking coating identified by the automatic driving automobile radar system is characterized by comprising the following steps of: comprises the following steps
Uniformly mixing a conductive auxiliary agent, a reactive diluent, a conductive promoter and a dispersing agent; adding the adhesive and the resin material, and fully and uniformly stirring the mixture to be used as a component A for later use; peroxide curing agent and/or epoxy curing agent are used as the component B for standby;
step two, putting the reaction component A into a mixer, then adding the reaction component B according to the amount, and uniformly stirring to obtain a mixed component AB; the mixed AB component is continuously coated on the pavement by a coating machine, and then the mixed AB component coated on the pavement is heated to 150-200 ℃ by a heating machine and is cured within 60s to generate the pavement marking coating.
Before preparing the road marking coating, paving plastic PET diaphragms at corresponding positions on the road surface, and then covering the plastic PET diaphragms with the road marking coating; the plastic PET film is a vacuum sputtering molybdenum-aluminum-molybdenum alloy coating.
Coating a hydrophobic coating on the surface of the road marking coating; the hydrophobic coating comprises one or more than two of dimethyl silicone oil, fluorine-silicon polymer, fluorocarbon resin, pure silicone resin and silicon modified resin.
The invention has the following beneficial effects:
the road marking coating has the functions of traditional marking lane division and indication, is favorable for the function of automatic driving system identification, is durable and wear-resistant, has clear color distinction, realizes the dead-angle-free driving of the automatic driving system more safely, ensures the stability of the automatic driving system, improves the reliability, and ensures the driving safety. The road marking coating determines to a great extent whether an automatically driven automobile can successfully get on the road.
In addition, can assist road marking coating to strengthen the discernment signal source through embedding plastics PET diaphragm in road marking coating, the automatic driving system can more clearly distinguish road marking position, safer guide automatic driving.
In addition, the hydrophobic coating is coated on the surface of the road marking coating, so that the surface of the road marking coating has extremely low surface tension, and the road marking coating can be self-cleaned under the condition that stains, snowflakes and the like are not adhered or under the condition of being washed by rainwater, so that the road marking is kept to be clearly visible, and the road marking coating is also helpful for a driver to safely drive.
Detailed Description
The road marking coating identified by the automatic driving automobile radar system comprises, by weight, 2-20 parts of an adhesive, 5-25 parts of a resin material, 0.1-2 parts of a peroxide curing agent, 1-5 parts of an epoxy curing agent, 0-5 parts of a reactive diluent, 10-25 parts of a conductive auxiliary agent, 10-35 parts of a conductive mica sheet, 10-30 parts of conductive silver-coated glass powder, 1-2 parts of a conductive accelerator and 0.5-2 parts of a dispersing agent. The road marking coating can enable an automatic driving system to more accurately identify marks/marked lines on a road surface, enable an automatic driving automobile to be safer, more accurately identify road conditions, enable the road marking coating and the automobile to be mutually communicated and exchange information, and can more accurately determine the position of the automobile. The road marking coating integrates various characteristics of conductivity, magnetism, pollution prevention, reflection, far infrared identification and the like, is better suitable for various radar systems, can be communicated with various automobile radars, enables a radar computer computing system to accurately identify the road safety, and realizes automatic driving; the composite material is prepared by adding the radar reflecting material, and can be quickly identified by radar when being applied to the road marking coating or directly coated under the traditional mark/marking line; it can be seen that the road marking coating has profound significance for the future development of automatic driving systems.
Further, the adhesive is acrylate resin suitable for thermal initiation or cationic thermal initiation curing crosslinking, which includes but is not limited to acrylate monomer, acrylate oligomer, methacrylic acid monoester, epoxy acrylate, polyester acrylate, urethane acrylate, multifunctional epoxy acrylate oligomer; the resin system is used as a bonding and adhering pavement material.
Further, the resin material includes, but is not limited to, liquid epoxy, epoxy diluent, solid epoxy.
Further, peroxide curing agents include, but are not limited to, acrysonobel peroxide, peroxy ketones, diacyl peroxides, peroxy esters, peroxy or ketals, peroxy carbonates; the peroxide curing agent can be cross-linked and cured with the resin material instantaneously during heating to form a hard and abrasion-resistant road marking coating.
Further, epoxy curing agents include, but are not limited to, modified amine curing agents, phenolic amine curing agents, pure amine curing agents, polyamide curing agents; the epoxy curing agent is used as a cross-linking curing agent of epoxy resin to assist the road marking coating in improving the adhesive force with the road surface.
Further, reactive diluents include, but are not limited to, epoxy diluents, acrylate diluents; the reactive diluent is non-volatile and has a very low viscosity to adjust the overall viscosity of the pavement marking coating, and reacts during heating.
Further, the conductive auxiliary agent is conductive titanium dioxide with various particle sizes; the conductive additive has the distinguishing function of white pigment and the conductive function.
Further, the conductive mica sheets are large and small flake mica sheets and/or scaly mica sheets; the conductive mica sheet has both light reflecting and conducting functions.
Further, the conductive silver-coated glass powder is silver-plated glass powder and/or glass microspheres with various silver contents; the conductive silver-coated glass powder has both a reflection function and a conductive function.
Further, the conductive promoter is one or a mixture of more than two of fluorine compounds, chlorine compounds and silicon compounds.
The invention is further described with reference to specific examples.
Example one
The road marking coating comprises, by weight, 10 parts of acrylate, 6 parts of epoxy resin, 0.5 part of peroxide curing agent, 2 parts of epoxy curing agent, 5 parts of reactive diluent, 25 parts of conductive titanium dioxide, 25 parts of conductive mica sheet, 25 parts of conductive silver-coated glass powder, 1 part of conductive accelerator and 0.5 part of dispersing agent.
Example two
The road marking coating comprises, by weight, 2 parts of acrylate, 15 parts of epoxy resin, 0.1 part of peroxide curing agent, 5 parts of epoxy curing agent, 5 parts of reactive diluent, 25 parts of conductive titanium dioxide, 25 parts of conductive mica sheet, 20 parts of conductive silver-coated glass powder, 2 parts of conductive accelerator and 0.9 part of dispersing agent.
EXAMPLE III
The road marking coating comprises, by weight, 10 parts of acrylate, 10 parts of epoxy resin, 0.5 part of peroxide curing agent, 3 parts of epoxy curing agent, 20 parts of conductive titanium dioxide, 35 parts of conductive mica sheet, 20 parts of conductive silver-coated glass powder, 1 part of conductive accelerator and 0.55 part of dispersing agent.
Example four
The road marking coating comprises, by weight, 15 parts of acrylate, 5 parts of epoxy resin, 1 part of peroxide curing agent, 1 part of epoxy curing agent, 5 parts of reactive diluent, 25 parts of conductive titanium dioxide, 25 parts of conductive mica sheet, 20 parts of conductive silver-coated glass powder, 2 parts of conductive accelerator and 1 part of dispersing agent.
EXAMPLE five
The road marking coating comprises, by weight, 20 parts of acrylate, 15 parts of epoxy resin, 2 parts of peroxide curing agent, 5 parts of epoxy curing agent, 5 parts of reactive diluent, 20 parts of conductive titanium dioxide, 20 parts of conductive mica sheet, 10 parts of conductive silver-coated glass powder, 2 parts of conductive accelerator and 1 part of dispersing agent.
EXAMPLE six
The road marking coating comprises, by weight, 20 parts of acrylate, 25 parts of epoxy resin, 2 parts of peroxide curing agent, 5 parts of epoxy curing agent, 5 parts of reactive diluent, 15 parts of conductive titanium dioxide, 15 parts of conductive mica sheet, 10 parts of conductive silver-coated glass powder, 2 parts of conductive accelerator and 1 part of dispersing agent.
The formulations of the examples are specified in the table below
| Name of material | Example one | Example two | EXAMPLE III | Example four | EXAMPLE five | EXAMPLE six |
| Acrylic esters | 10 | 2 | 10 | 15 | 20 | 20 |
| Epoxy resin | 6 | 15 | 10 | 5 | 15 | 25 |
| Peroxide cargo curing agent | 0.5 | 0.1 | 0.5 | 1 | 2 | 2 |
| Epoxy curing agent | 2 | 5 | 3 | 1 | 5 | 5 |
| Reactive diluents | 5 | 5 | 5 | 5 | 5 | |
| Electric titanium dioxide | 25 | 25 | 20 | 25 | 20 | 15 |
| Conductive mica sheet | 25 | 25 | 35 | 25 | 20 | 15 |
| Conductive silver-coated glass powder | 25 | 20 | 20 | 20 | 10 | 10 |
| Conduction promoter | 1 | 2 | 1 | 2 | 2 | 2 |
| Dispersing agent | 0.5 | 0.9 | 0.55 | 1 | 1 | 1 |
The road marking coating identified by the automatic driving automobile radar system belongs to a road marking coating cured by thermal curing or thermal initiation of peroxide, and the road marking coating is prepared by preparing materials, semi-finished products, a mixer, a coating machine, a heating machine and field construction, wherein the road marking coating is adapted to the characteristics of road field construction; the specific preparation method of the road marking coating comprises the following steps
Uniformly mixing various powder materials with a conductive function in a conductive auxiliary agent with a reactive diluent, a conductive promoter and a dispersing agent; adding the adhesive and the resin material, and fully and uniformly stirring the mixture to be used as a component A for later use; peroxide curing agent and/or epoxy curing agent are used as the component B for standby; the reaction component A and the reaction component B can be prepared indoors and then are used when being brought to site construction;
secondly, in a construction site, the reaction component A is filled into a mixer, and then the reaction component B is added according to the amount and is uniformly stirred to obtain a mixed component AB; the mixed AB component is continuously coated on the pavement by a coating machine, then the mixed AB component coated on the pavement is heated to 150-200 ℃ by a heating machine, and the mixed AB component is cured within 60s to generate the road marking coating which is white in appearance and has better performances of conductivity, reflection, far infrared and the like.
Furthermore, in order to further enhance the identification signal source of the road marking coating, plastic PET diaphragms can be laid on corresponding positions on the road surface before the road marking coating is prepared, and then the plastic PET diaphragms are covered by the road marking coating; the plastic PET membrane is a vacuum sputtering molybdenum-aluminum-molybdenum alloy coating, has the effects of conducting electricity, reflecting, strengthening millimeter wave radar and laser radar in the automatic driving system, simultaneously identifying and the like, can assist the automatic driving system to distinguish the position of a road marking more clearly, and further can guide automatic driving more safely; the plastic PET film can be in a block shape or a strip shape, the block-shaped plastic PET film is paved between the road marking coating and the road surface at an interval of 10cm and can be firmly adhered to the bottom surface, and the strip-shaped plastic PET film is continuously paved between the road marking coating and the road surface, so that the road direction can be more clearly marked, and the millimeter wave radar and the laser radar can conveniently identify.
Further, in order to ensure that the road marking coating is clearly visible, a hydrophobic coating is coated on the surface of the road marking coating; the hydrophobic coating comprises one or more than two of silicon-containing or fluorine-containing polymers such as dimethyl silicone oil, fluorine-silicon polymer, fluorocarbon resin, pure silicon resin, silicon modified resin and the like, the resin materials are diluted and then coated on the surface of the road marking coating to form the hydrophobic coating, the surface of the hydrophobic coating has extremely low tension, common stains or snowflakes and the like cannot be adhered to the hydrophobic coating, or the hydrophobic coating can be self-cleaned after being washed by rainwater, so that the road marking coating is ensured to be clearly visible.
The device for identification on the automatic driving system comprises a camera, an infrared sensor, a millimeter wave radar and/or a laser radar, and each device provides function detection and positioning; the front of the vehicle is generally provided with a 77GHz frequency band millimeter wave radar, the side and the rear of the vehicle are generally provided with a 24GHz millimeter wave radar, and radio wave signals of the frequency band radar can very quickly identify and position metals such as silver, aluminum and the like, so that the communication between the radar and a road marking coating is well guaranteed; the laser radar uses infrared rays to visit and reflect, position and measure distance, the accuracy is high, and because the conductive silver-coated glass powder (containing reflective glass), the conductive mica sheet and the like are added into the road marking coating, the laser radar can sense and accurately position the laser radar.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is intended to be protected by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a road marking coating of automatic driving car radar system discernment which characterized in that: the adhesive comprises, by weight, 2-20 parts of an adhesive, 5-25 parts of a resin material, 0.1-2 parts of a peroxide curing agent, 1-5 parts of an epoxy curing agent, 0-5 parts of a reactive diluent, 10-25 parts of a conductive assistant, 10-35 parts of a conductive mica sheet, 10-30 parts of conductive silver-coated glass powder, 1-2 parts of a conductive accelerator and 0.5-2 parts of a dispersing agent;
the adhesive is an acrylate resin suitable for thermal initiation or cationic thermal initiation curing crosslinking;
the resin material includes, but is not limited to, liquid epoxy, epoxy diluent, solid epoxy.
2. The automotive radar system-aware road marking coating of claim 1, wherein: the adhesive includes, but is not limited to, acrylate monomers, acrylate oligomers, methacrylic acid monoesters, epoxy acrylates, polyester acrylates, urethane acrylates, multifunctional epoxy acrylic oligomers.
3. The automotive radar system-aware road marking coating of claim 1, wherein: the peroxide curing agent includes, but is not limited to diacyl peroxide, peroxyester.
4. The automotive radar system-aware road marking coating of claim 1, wherein: the epoxy curing agent includes, but is not limited to, phenolic amine curing agents, polyamide curing agents.
5. The automotive radar system-aware road marking coating of claim 1, wherein: the reactive diluent includes, but is not limited to, epoxy diluents, acrylate diluents.
6. The automotive radar system-aware road marking coating of claim 1, wherein: the conductive mica sheet is a scaly mica sheet; the conductive silver-coated glass powder is silver-plated glass powder and/or glass microspheres; the conductive promoter is one or a mixture of more than two of fluorine compounds, chlorine compounds and silicon compounds.
7. A method of preparing a road marking coating for recognition by an autonomous automotive radar system as claimed in claim 1, wherein: comprises the following steps
Uniformly mixing a conductive auxiliary agent, a reactive diluent, a conductive promoter and a dispersing agent; adding the adhesive and the resin material, and fully and uniformly stirring the mixture to be used as a component A for later use; peroxide curing agent and/or epoxy curing agent are used as the component B for standby;
step two, putting the reaction component A into a mixer, then adding the reaction component B according to the amount, and uniformly stirring to obtain a mixed component AB; the mixed AB component is continuously coated on the pavement by a coating machine, and then the mixed AB component coated on the pavement is heated to 150-200 ℃ by a heating machine and is cured within 60s to generate the pavement marking coating.
8. The method of making a road marking coating for recognition by an autonomous automotive radar system as claimed in claim 7, wherein: before preparing the road marking coating, paving plastic PET diaphragms at corresponding positions on the road surface, and then covering the plastic PET diaphragms with the road marking coating; the plastic PET film is a vacuum sputtering molybdenum-aluminum-molybdenum alloy coating.
9. The method of making a road marking coating for recognition by an autonomous automotive radar system as claimed in claim 7, wherein: coating a hydrophobic coating on the surface of the road marking coating; the hydrophobic coating comprises one or more than two of dimethyl silicone oil, fluorine-silicon polymer, fluorocarbon resin, pure silicone resin and silicon modified resin.
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| CN202010158231.0A CN111334104B (en) | 2020-03-09 | 2020-03-09 | Road marking coating identified by automatic driving automobile radar system and preparation method thereof |
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| CN202010158231.0A CN111334104B (en) | 2020-03-09 | 2020-03-09 | Road marking coating identified by automatic driving automobile radar system and preparation method thereof |
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| CN112980294A (en) * | 2021-03-18 | 2021-06-18 | 中国林业科学研究院林产化学工业研究所 | Solvent-free normal-temperature fast-curing marking paint resin and application thereof |
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| US6365262B1 (en) * | 1998-10-20 | 2002-04-02 | 3M Innovative Properties Company | Pavement marking articles having enhanced retroreflectivity under dry or wet conditions and method for making same |
| US6247818B1 (en) * | 1998-10-20 | 2001-06-19 | 3M Innovative Properties Company | Method for making retroreflective elements having enhanced retroreflectivity under dry and/or wet conditions |
| WO2004092838A1 (en) * | 2003-04-15 | 2004-10-28 | Kaneka Corporation | Photosensitive resin composition capable of being developed with aqueous developer and photosensitive dry film resist, and use thereof |
| JP2005305740A (en) * | 2004-04-20 | 2005-11-04 | Konica Minolta Medical & Graphic Inc | Aluminum sheet support for photosensitive lithographic plate material, manufacturing method thereof and photosensitive lithographic plate material |
| CN103965733A (en) * | 2014-04-11 | 2014-08-06 | 中国石油化工股份有限公司 | Anti-corrosion coating for light oil storage tank |
| CN110845946A (en) * | 2019-11-22 | 2020-02-28 | 山西省交通科技研发有限公司 | Pavement perception marking paint for laser radar recognition system of automatic driving vehicle and preparation method thereof |
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