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Abstract

Road marking coating is one of the essential materials to realize the modernization of highway traffic. Based on the scientific research project of “research on environmentally friendly hot melt marking material mixed with powder nitrile rubber”, combined with laboratory tests and grey relational theory, nitrile rubber was used as a toughening and cracking agent, and castor oil was used as a plasticizer. By adjusting the proportion of other raw materials, the influence of each component on the fluidity and compressive strength of the material was analyzed. The results show that the fluidity of the material decreases with the increase in the contents of film-forming substance A, castor oil, and PE wax and increases with the increase in nitrile rubber. The compressive strength decreases with the increase in the content of film-forming substance A, quartz sand, nitrile rubber, PE wax, and castor oil, and the weight of PE wax on the compressive strength is the largest (17.3%). Adding 1% of nitrile rubber can significantly improve the crack resistance of the coating, and the test obtains the best formula as follows: film-forming material A of 13%, heavy calcium of 27%, quartz sand of 28%, PE wax of 2%, castor oil of 2%, nitrile rubber of 1%, pigment of 6%, and reflective material E of 21%. The research results can provide technical support for improving the crack resistance of hot melt marking coatings and promoting the modernization of China’s traffic roads.

Publication Date

6-18-2022

DOI

10.14048/j.issn.1671-2579.2022.03.037

First Page

210

Last Page

214

Submission Date

May 2025

Reference

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