A kind of road anti-skid agent based on seaweed modified material and preparation method thereof
A technology of modified materials and anti-slip agents, applied in chemical instruments and methods, other chemical processes, etc., can solve problems such as damage to laver breeding facilities, health hazards of the Yellow Sea ecosystem, and no harvest in laver breeding areas, and achieve high promotion and application value. , cost reduction, high friction coefficient
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Embodiment 1
[0034] Fish out the fresh Enteromorpha or Sargassum from the seawater, drain the water, use a crushing machine to crush the fresh algae into millimeter or micron scales, and dry them until they are easily rubbed into powder by hand, that is, the water content after drying is less than 5% (see Figure 2A and B).
[0035] The dried algae powder is collected and packaged, and the finished product is used as an anti-slip agent.
[0036] It can be seen from Figure 2 that the algae body presents a thin-walled structure. After crushing, the algae body forms debris, which is fixed on the ice and snow layer to form a rough road surface, thereby significantly improving the anti-skid performance of the road.
[0037] In winter, sprinkle the stored algae powder on the ice and snow road. When the algae powder is in contact with the surface, the salt on the surface can partially melt the ice surface, and under the effect of low temperature, the powder will be closely combined with the sur...
Embodiment 2
[0039]Enteromorpha or sargassum is fished out of the sea and placed on the beach to dry. Collect the dried algae, dry until it is easy to form and grind into powder under the action of external force, carbonize the algae under the condition of isolating the air or using nitrogen or argon protection, the temperature is 300 °C, and the heating furnace used is a tube Type furnace or muffle furnace to form activated carbon, which can be used as anti-slip agent; finished product packaging.
[0040] In winter, sprinkle the stored algae activated carbon on the ice and snow road, which can play an anti-slip effect. In addition, because the activated carbon itself is black, it can absorb the heat of the sun, which can accelerate the melting of the ice and snow road.
Embodiment 3
[0042] Such as figure 1 As shown in the flow chart, enteromorpha or sargassum were fished out from seawater, placed on the beach to dry, and the obtained morphology was as follows Figure 2A , 2B shown. Collect the dried algae. When it is dry enough to be pulverized by external force, it can be considered to have reached a dry state. Carbonize the algae under the condition of isolating the air, for example, at a temperature of 400°C to form activated carbon. Soak the prepared activated carbon in an excess concentration of 50mM dopamine for 12 hours, drain the soaked carbon material, and dry it to a state where it is easy to become powder by external force. The water content is lower than 5%, soaked in In the ethanol solution of C12 mercaptan, the typical concentration of mercaptan in ethanol solvent is 1mol / L. After soaking for 2 hours, the hydrophobic long carbon chain of mercaptan is fixed on the surface of algae by chemical reaction; Drain, then Air dry (see Figure 2C ...
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