Search

CN-121249244-B - Low-carbon marking paint for alpine regions and application

CN121249244BCN 121249244 BCN121249244 BCN 121249244BCN-121249244-B

Abstract

The invention discloses a low-carbon marking paint for alpine regions and application thereof, and relates to the technical field of marking paint. The low-carbon marking paint for the alpine region comprises, by mass, 45-60 parts of base resin, 25-35 parts of functional filler, 2-4 parts of low-carbon plasticizer, 3-5 parts of antifreeze agent, 1-3 parts of dispersing agent, 0.5-1 part of defoaming agent and 1-2 parts of ultraviolet absorber. According to the ultraviolet light absorbing agent with a specific structure, ultraviolet light can be accurately absorbed and converted into heat energy to be released, the damage of the ultraviolet light to paint base resin is blocked, the ultraviolet aging resistance of paint is remarkably improved, the problems of film embrittlement, peeling and the like caused by low temperature are effectively avoided through the synergistic effect of the components, the stability and durability of the paint under severe weather conditions are enhanced, and the service life of the paint is prolonged.

Inventors

  • ZHENG QIUPING
  • ZHAO XINGYU
  • ZHANG LIQIANG

Assignees

  • 浙江天诚交通科技股份有限公司

Dates

Publication Date
20260512
Application Date
20251030

Claims (7)

  1. 1. The low-carbon marking paint for the alpine region is characterized by comprising, by mass, 45-60 parts of base resin, 25-35 parts of functional filler, 2-4 parts of low-carbon plasticizer, 3-5 parts of antifreeze agent, 1-3 parts of dispersing agent, 0.5-1 part of defoaming agent and 1-2 parts of ultraviolet absorber; the ultraviolet absorber is a compound shown in a formula 1: formula 1: ; R 1 in the formula 1 is a substituent, and R 1 is any one of methyl, phenyl, cyano, nitro and methoxy; the functional filler consists of quartz sand, heavy calcium carbonate and talcum powder, wherein the mass ratio of the quartz sand to the heavy calcium carbonate to the talcum powder is 3:2:1, the particle size of the quartz sand is 80-120 meshes, and the particle size of the heavy calcium carbonate is 200-300 meshes; The antifreeze agent consists of glycol and glycerol, and the mass ratio of the glycol to the glycerol is 1 (1-2).
  2. 2. The low-carbon marking paint for alpine regions according to claim 1, wherein the base resin is at least one of epoxy acrylic resin, polyurethane acrylic resin and polyester acrylic resin.
  3. 3. The low-carbon marking paint for alpine regions according to claim 1, wherein the low-carbon plasticizer is epoxidized soybean oil.
  4. 4. The low-carbon marking paint for alpine regions according to claim 1, wherein the dispersing agent is at least one of sodium polyacrylate or sodium lignin sulfonate, and the defoaming agent is at least one of tributyl phosphate, methyl silicone oil, BYK-021 and BYK-024.
  5. 5. A method for preparing a low-carbon marking paint for alpine regions as claimed in any one of claims 1 to 4, comprising the steps of: a. Adding the base resin, the low-carbon plasticizer and the antifreeze agent into a stirring kettle, and stirring at the temperature of 60-80 ℃ for 15-20min at the speed of 600-800r/min to obtain a premix; b. adding the functional filler, the dispersing agent and the ultraviolet absorbent into the premix, heating to 80-90 ℃, and stirring at a high speed for 30-40min to obtain a mixture; c. and cooling the mixture to 60-70 ℃, adding the defoamer, stirring at a low speed for 20-30min, cooling to room temperature, and filtering to obtain the low-carbon marking paint for the alpine regions.
  6. 6. The preparation method of the low-carbon marking paint for the alpine regions, which is disclosed in claim 5, is characterized in that the rotating speed of high-speed stirring in the step b is 1000-1200r/min, the rotating speed of low-speed stirring in the step c is 300-500r/min, and the filtering is carried out by adopting a 200-300 mesh filter screen.
  7. 7. A low carbon marking paint for alpine regions according to any one of claims 1 to 4, wherein the paint is suitable for cement concrete pavement or asphalt pavement in alpine regions.

Description

Low-carbon marking paint for alpine regions and application Technical Field The invention relates to the technical field of marking paint, in particular to low-carbon marking paint for alpine regions and application thereof. Background The marking paint plays a vital role in modern transportation facilities, and can effectively guide and standardize vehicles and pedestrians by drawing clear markings on the pavement. However, existing reticle coatings face a number of challenges and problems when applied in alpine regions. The weather conditions in the alpine region are severe, the winter low temperature is severe, the pavement is easy to freeze and snow, and the performance of the marking paint is extremely high. The marked line paint in the prior art is easy to have the problem of performance reduction under the low-temperature environment, such as brittleness, cracking, falling off of a coating film, debonding with a pavement layer and the like. These problems seriously affect the life and safety of the road marking. In addition, the existing paint is easy to accelerate aging under the irradiation of strong ultraviolet rays, so that the color fading and the performance failure are caused, and the long-term use requirement in alpine regions cannot be met. The marking paint in the current market mostly adopts the traditional high-carbon plasticizer and solvent, which not only increases the carbon emission of the paint, but also is contrary to the current development concept of low carbon and environmental protection. Meanwhile, the existing paint formula has defects in adapting to different base materials, and the requirements of various pavement types are difficult to consider. In conclusion, the prior art has obvious defects in the aspects of low-temperature performance, ultraviolet resistance and applicability of the road marking paint in alpine regions. Therefore, developing the marking paint which is applicable to alpine regions, stable in performance and environment-friendly has very important practical significance. Disclosure of Invention The invention aims to overcome the defects of the marking paint suitable for the alpine environment in the prior art in low-temperature toughness, freeze-thawing resistance, weather resistance and the like, and provides a low-carbon marking paint for alpine regions, a preparation method and application thereof. The coating has good low-temperature cracking resistance and excellent ultraviolet resistance, and can meet the long-term use requirement in severe environments in alpine regions. In order to achieve the above purpose, the invention adopts the following technical scheme: The low-carbon marking paint for the alpine region comprises, by mass, 45-60 parts of base resin, 25-35 parts of functional filler, 2-4 parts of low-carbon plasticizer, 3-5 parts of antifreeze agent, 1-3 parts of dispersing agent, 0.5-1 part of defoaming agent and 1-2 parts of ultraviolet absorber; the ultraviolet absorber is a compound shown in a formula 1: formula 1: ; R 1 in the formula 1 is a substituent, and R 1 is any one selected from methyl, phenyl, cyano, nitro and methoxy. Further, the base resin is at least one of epoxy acrylic resin, polyurethane acrylic resin and polyester acrylic resin. Further, the functional filler is composed of quartz sand, heavy calcium carbonate and talcum powder, the mass ratio of the quartz sand to the heavy calcium carbonate to the talcum powder is 3:2:1, wherein the particle size of the quartz sand is 80-120 meshes, and the particle size of the heavy calcium carbonate is 200-300 meshes. Further, the low-carbon plasticizer is epoxidized soybean oil. Further, the antifreeze agent consists of glycol and glycerol, and the mass ratio of the glycol to the glycerol is 1 (1-2). Further, the dispersing agent is at least one of sodium polyacrylate or sodium lignin sulfonate. Further, the defoaming agent is at least one of tributyl phosphate, methyl silicone oil, BYK-021 and BYK-024. Further, the ultraviolet absorber is any one of the compounds with the following structures: ; ; 。 a preparation method of a low-carbon marking paint for alpine regions comprises the following steps: a. Adding the base resin, the low-carbon plasticizer and the antifreeze agent into a stirring kettle, and stirring at the temperature of 60-80 ℃ for 15-20min at the speed of 600-800r/min to obtain a premix; b. adding the functional filler, the dispersing agent and the ultraviolet absorbent into the premix, heating to 80-90 ℃, and stirring at a high speed for 30-40min to obtain a mixture; c. and cooling the mixture to 60-70 ℃, adding the defoamer, stirring at a low speed for 20-30min, cooling to room temperature, and filtering to obtain the low-carbon marking paint for the alpine regions. Further, the rotating speed of high-speed stirring in the step b is 1000-1200r/min. Further, the rotating speed of low-speed stirring in the step c is 300-500r/min, and a 200-300 mesh filter screen is a