Repair material and preparation process thereof

Abstract

The invention discloses a repair material and a preparation process thereof. The preparation process comprises the following processing steps: S1, feeding waste polyvinyl chloride, polyurethane waste, polytetrafluoroethylene, calcium stearate, an antioxidant, a plasticizer, a catalyst and a lead salt stabilizer into a mixer, setting the heating temperature to be 200 DEG C, and accelerating melting under the action of a stirring shaft; S2, discharging the obtained mixture from a main feeding port and a side feeding port of a double-screw extruder, and mixing the mixture in the double-screw extruder at the rotating speed of 400-600 r / min for 10-15 min; and S3, cooling and pelletizing the mixed material to obtain polyvinyl chloride regenerated plastic granules. The polytetrafluoroethylene is added into the waste plastic, and the polytetrafluoroethylene is polymerized to form a high-molecular compound, so that the chemical stability, corrosion resistance, sealing property, high lubrication non-stick property, electrical insulating property and good anti-aging endurance of the regenerated plastic can be improved, and the performance of the plastic can be recovered and improved.

Description

technical field [0001] The invention relates to the technical field of plastics, in particular to a restoration material and a preparation process thereof. Background technique [0002] Roads are basically popularized now, but the post-maintenance of roads has always been a difficult point, especially those with pits or cracks on the road. When cars pass by, bumps are prone to cause danger. Traditional repair methods are not only time-consuming, labor-intensive, and expensive , also affect the daily traffic. And even so, it won't be long before it's time to do it again. [0003] The applicant has developed a miraculous material that can quickly repair roads. It only takes 20 minutes to repair the road, and the road surface can be restored to traffic, which is fast, efficient and firm. The material is polyvinyl chloride, which is one of the most widely used plastic materials at present. Plastic products bring convenience to human life, but also have great negative effects, ...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a repairing material and its preparation process, which solves the problem of difficult maintenance of the road, reduces the maintenance cost of the road, the recycling and utilization of polyvinyl chloride plastic products and in the process of plastic regeneration, generally through the stirring tank, When stirring and mixing, the stirring tank cannot be pressurized, the stirring is poor, the mixing speed is low, and the technical problems affecting the mixing effect

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