▎ 摘　　要

NOVELTY - Preparing odourless asphalt mixed material comprises e.g. (i) carrying out low temperature plasma modification of graphyne nanomaterials, processing graphene nanomaterials in a low-temperature plasma generator, introducing oxygen-containing functional groups on the surface of the graphene nanomaterials to obtain modified graphyne and dispersing the modified graphyne in anhydrous ethanol solution and performing ultrasonic dispersion to obtain graphene modified solution, (ii) mixing 1-10 pts. wt. magnesium hydroxide, 1-2 pts. wt. tetraethyl orthosilicate, 1-5 pts. wt. vegetable oil, 1-10 pts. wt. styrene butadiene styrene, and 1-2 pts. wt. odor suppressor to obtain asphalt composite modification agent, and (iii) heating the base asphalt at 150-170 degrees C, then adding asphalt composite modifier, graphyne modification liquid and matrix asphalt, shearing at temperature of 185-220 degrees C, shearing to swell for 0.5-2 hours and t cooling to obtain net-flavored asphalt mixture, drying and packaging. USE - The odourless asphalt mixed material is useful on road (claimed). ADVANTAGE - The odourless asphalt mixed material: has high efficiency of optimizing the performance of deodorized asphalt. DETAILED DESCRIPTION - Preparing odourless asphalt mixed material comprises (i) carrying out low temperature plasma modification of graphyne nanomaterials, processing graphene nanomaterials in a low-temperature plasma generator, introducing oxygen-containing functional groups on the surface of the graphene nanomaterials to obtain modified graphyne and dispersing the modified graphyne in anhydrous ethanol solution and performing ultrasonic dispersion to obtain graphene modified solution, (ii) mixing 1-10 pts. wt. magnesium hydroxide, 1-2 pts. wt. tetraethyl orthosilicate, 1-5 pts. wt. vegetable oil, 1-10 pts. wt. styrene butadiene styrene, and 1-2 pts. wt. odor suppressor to obtain asphalt composite modification agent, and (iii) heating the base asphalt at 150-170 degrees C, then adding asphalt composite modifier, graphyne modification liquid and matrix asphalt, shearing at temperature of 185-220 degrees C, shearing to swell for 0.5-2 hours and then cooling to 170-180 degrees C to obtain net-flavored asphalt mixture, then drying and packaging to obtain final porduct, where the weight ratio between asphalt composite modifier and graphyne modification liquid is 100:1-5:10-25. An INDEPENDENT CLAIM is also included for odourless asphalt mixed material obtained by above method.