An anti-icing and noise-reducing asphalt mixture and a preparation method thereof
By adding modified petroleum resin, rubber mixture and carboxy carbon nanotubes to the asphalt mixture, the problem of asphalt mixture being prone to cracking in low temperature environments and being difficult to resist ice noise at the same time in the prior art is solved, and better low-temperature cracking, ice and noise reduction effects are achieved.
CN118771783BActive Publication Date: 2025-03-28QILU EXPRESSWAY (SHANDONG) ASSEMBLY CO LTD
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Patent Information
- Application Number
- CN202410858012.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2044-06-28
AI Technical Summary
Technical Problem
Existing asphalt mixtures are prone to cracking and loosening problems in low temperature environments, and it is difficult to meet the needs of ice resistance and noise reduction at the same time.
Method used
Using an anti-ice noise reduction asphalt mixture, the viscosity and stability of the asphalt mixture are improved by adding modified petroleum resin, rubber mixture and carboxy carbon nanotubes, enhance its ice resistance, and improve noise reduction performance through the acoustic wave absorption effect of carbon nanotubes.
Benefits of technology
It significantly improves the low-temperature crack resistance and ice resistance of asphalt mixture, while improving noise reduction effect, significantly reducing driving noise and improving road use comfort.
✦ Generated by Eureka AI based on patent content.
Abstract
The present application relates to the field of road engineering materials, and specifically discloses an anti-icing and noise reduction asphalt mixture and a preparation method thereof. The asphalt mixture includes the following raw materials: coarse aggregate, fine aggregate, mineral powder, mixed asphalt, and anti-icing and noise reduction composite agent; wherein the mixed asphalt is selected from petroleum asphalt and SBS modified asphalt; the anti-icing and noise reduction composite agent is prepared by mixing modified petroleum resin, rubber mixture, and carboxyl carbon nanotubes; the present application also discloses a preparation method including the following steps: mixing coarse aggregate, fine aggregate and mineral powder and then heating to obtain aggregate; heating the mixed asphalt, adding the anti-icing and noise reduction composite agent, mixing and stirring to obtain a primary mixture, and adding the heated primary mixture to the heated aggregate and stirring to obtain the mixture. The present application has the characteristics of preparing a material with excellent anti-icing and anti-cracking effects, being able to maintain good flexibility and crack resistance in a low temperature environment, and having excellent noise reduction performance, significantly reducing driving noise, and improving road comfort.
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