Preparation method anti-pollution road-marking paint

Abstract

The invention discloses a preparation method anti-pollution road-marking paint. The paint is composed of the following compositions in percent by weight: 14-18% of quartz sand, 16-20% of calcium carbonate powder, 16-20% of mica powder, 6-8% of glass micro bead, 1.4-1.8% of polyethylene wax, 3-4% of EVA hot melt adhesive, 4-5% of titanium dioxide, 2-3% of W3 plasticizer with the registered trademark of Degroute, 2-3% of HG-613 fluorocarbon surfactant, 1-2% of GW150 antistatic agent, and the balance C5 petroleum resin. The preparation method comprises: 1) putting quartz sand, calcium carbonate powder, mica powder, glass micro bead and titanium dioxide into a mixer for mixing for 2-4 h, so as to uniformly disperse the mixture; 2) adding polyethylene wax, EVA hot melt adhesive and petroleum resin into the mixture, and mixing for 3-5 h; 3) finally adding the antipollution agent, the fluorocarbon surfactant and the antistatic agent and mixing for 2-4 h; and 4) detecting the mixing uniformity, and packaging after the mixture is qualified.

Description

technical field [0001] The invention relates to the technical field of traffic facilities, in particular to a preparation method of road marking paint. Background technique [0002] Different from other paints, road marking paints not only have to withstand the rolling of wheels after construction, but also the formed markings have to withstand the friction of mud and sand from the road surface, oil stains, mud blocks and other dirt during use. Pollution, rain erosion and other destructive effects make the use environment of marking lines much worse than that of other types of ordinary paints. [0003] Existing hot-melt, solvent-based or water-based road marking paints have poor anti-fouling performance after construction, which is particularly obvious on urban roads, especially in northern urban roads. No matter in the north or the south, after a period of time after the construction of road marking paint, especially after a winter with less rain, these marking materials a...

AI Technical Summary

Problems solved by technology

[0002] Different from other paints, road marking paints not only have to withstand the rolling of wheels after construction, but also the formed markings have to withstand the friction of mud and sand from the road surface, oil stains, mud blocks and other dirt during use. Pollution, rain erosion and other destructive effects, which make the use environment of marking lines much worse than that of other types of ordinary coatings

[0003] The existing hot-melt, solvent-based or water-based road marking paints have poor anti-fouling performance after construction, which is particularly obvious on urban roads, especially in northern urban roads

No matter in the north or the south, after a period of time after the construction of road marking paint, especially after a winter with less rain, these marking materials are easy to stick to dust, mud, oil and other dirt, making the markings Lines become unclear, the overall appearance effect is poor, affecting road traffic safety

[0004] In traditional road marking paints, hot-melt road marking paints usually use low molecular weight dioctyl phthalate (DOP) or dibutyl phthalate (DBP) as the main component of plasticizers. , during the use of marking lines, low-molecular-weight plasticizers are easy to migrate from the marking paint to the marking surface, increasing the probability of flying dust, mud and other dirt sticking to the road surface; on the other hand, hot-melt road The film-forming material of marking paint is usually made of petroleum resin or rosin resin, because thermoplastic rosin resin or petroleum resin is easy to soften under high temperature conditions (in summer, the surface temperature of asphalt pavement can be as high as 80 ℃ or more). Increase the adhesion of marking lines to dirt; at the same time, hot-melt road marking paints use extremely rough fillers, such as 20-100 mesh quartz sand, glass beads, etc. After the paint is formed into a film, it is rolled under the wheels The surface