聚氨酯/环氧树脂基混合料型耐久长效道路交通标线材料组合优化研究

doi:10.11896/cldb.21120002

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Abstract The existing road traffic marking technology is insufficient in material composition, material quality and marking coating structure, which makes the durability and functionality of road marking unable to be guaranteed for a long time, and a large number of markings are in low perfor-mance service. Based on the above background, this work independently developed a mixture road traffic marking, which can improve the photometric performance of the marking under the premise of ensuring the coordination of its road performance and road surface performance. The feasibility of using it as a road reflective marking was verified by laboratory tests and mathematical simulation. The results show that, the main aggregate of the mixture was molten quartz sand, the best grading type was AK-13(A)grading, followed by SM-10 grading and MS-3 grading, finally MS-2 grading and AC-5 grading. The agent system was 3016LV(A/B), and the optimum adhesive dosage was 9%. The amount of adhesive was 250 g/m² to 275 g/m², and the maximum amount of glass beads was 750 g/m² to 800 g/m². After treatment, the retroreflection brightness coefficient of road traffic marking can reach 195 mcd ·m^-2· lx^-1, which shows good luminosity performance. By constructing the mathematical relationship between basic factors and performance indexes in material combination, Monte Carlo simulation method was adopted and MATLAB software was used to simulate calculation, and the solution set of optimal material combination was obtained. Combined with the results of indoor test, the optimal material combination scheme of mixed material type road marking is determined as:Aggregate using molten quartz sand, adhesive ‘3016LV(A/B)’ system adhesive, the filler is rutile titanium dioxide, the grading type is AK-13(a)or MS-3, the ratio of rubber to stone can meet the requirements, and the replacement ratio of high refractive index glass beads is 90%—100%.

Key words： road traffic markings resin mixture road performance photometric performance polymer adhesive Monte Carlo simulation

Published: 25 June 2023 Online: 2023-06-20

CLC number:

U414

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	Articles by authors
	ZHANG Huaizhi
	JIN Xin
	LI Xiang
	ZHAO Tiansong

Cite this article:

ZHANG Huaizhi,JIN Xin,LI Xiang, et al. Combination Optimization of Polyurethane/Epoxy Resin Based Long Effect Traffic Marking Mixture[J]. Materials Reports, 2023, 37(12): 21120002-13.

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http://www.mater-rep.com/EN/10.11896/cldb.21120002 OR http://www.mater-rep.com/EN/Y2023/V37/I12/21120002

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