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Do you know that oxidized polyethylene wax can also be used in asphalt modification?

Do you know that oxidized polyethylene wax can also be used in asphalt modification?

2022-08-11

Oxidized polyethylene wax has excellent cold resistance, heat resistance and wear resistance, good chemical stability and good compatibility with asphalt. As an asphalt modifier, it can quickly combine with asphalt and improve asphalt components without fear of precipitation from asphalt when the state changes. It can quickly and uniformly melt and disperse in the asphalt mixing process, improve the viscosity of asphalt and improve the flow resistance of asphalt, Significantly improve the rutting resistance of asphalt mixture and meet other performance requirements of asphalt mixture. Sainuo high-density ope wax, it can promote plasticization, and it has a good post-thermal stability, it can give products a good plasticization and luster, long continuous production cycle, in masterbatch will increase dispersion and brightness, but it has an effect on the oxidative induction period.

In highway construction, asphalt pavement has become one of the most important building materials for highway pavement because of its good driving comfort and excellent performance, fast construction speed and convenient maintenance. With the development of transportation, the traffic volume increases and the load capacity increases. The original asphalt pavement is easy to be damaged due to its small load capacity. With the rapid development of China's national economy for decades, the traffic volume increases rapidly, the vehicles are large and overloaded seriously, and the asphalt concrete pavement faces a severe test. The development of road construction at home and abroad puts forward higher and higher requirements for the quality of asphalt concrete pavement. It is not only hoped that the asphalt road will "not deform in summer and not crack in winter", that is, it has good rutting resistance under high temperature, but also has high crack resistance under low temperature. It is also hoped that the pavement has strong traffic noise absorption capacity to meet heavy traffic flow Different needs of high-grade highways and urban traffic. Compared with the original asphalt, the asphalt modified by oxidized polyethylene wax has obvious improvement and improvement in high temperature performance, elongation, tension, elasticity and compatibility with mixture; It can effectively improve the storage stability of modified asphalt, reduce the occurrence of segregation, maximize the low-temperature ductility of modified asphalt, improve the high-temperature rutting resistance and low-temperature embrittlement resistance, and is suitable for use in high-temperature and low-temperature areas. 

Experimental data show that when the content of oxidized polyethylene wax modifier increases from 0% to 20%, the softening point of asphalt increases, the penetration decreases, the low-temperature ductility increases, the expansion and contraction properties become better, and the elastic recovery is improved. The effect is very significant, and the high and low-temperature properties are significantly improved. Therefore, oxidized polyethylene wax as asphalt modifier has a large amount and a good market prospect.

Qingdao Sainuo Chemical Co.,Ltd. We are manufacturer for PE wax, PP wax, OPE wax, EVA wax, PEMA, EBS,Zinc/Calcium Stearate…. Our products have passed the REACH, ROHS, PAHS, FDA testing.

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