Preparation method of high bonding type salt storage asphalt pavement material
A kind of asphalt pavement and combined technology, which is applied in the direction of building insulation materials, building components, buildings, etc., can solve the problems of expensive slow-release complex salt filler and low bonding strength of base asphalt materials, so as to improve the bonding performance and mechanical strength, Excellent structural performance and the effect of improving bonding performance
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[0019] Take a pH of 9.5 heavy saline-alkaline earth and dry it, collect the dried material and pulverize by ball milling, collect the ball-milled powder and place it in a crucible, place the crucible in a muffle furnace, heat up to 1650~1700℃ at 10℃ / min, keep warm and melt After 25-30min, collect the molten liquid and draw the wire, control the diameter of the molten wire to be 0.5-0.8mm, collect the drawn fiber and anneal it at 650-700℃ for 3~5h, then stand and cool to room temperature to obtain the matrix salt storage Fiber; parts by weight, respectively weigh 5-10 parts polydimethylsiloxane, 45-50 parts N,N-dimethylformamide, and 10-16 parts matrix salt-storing fibers in a mortar Grind, disperse and collect the mixed slurry, dry the mixed slurry at 130-140°C for 3 to 5 hours to obtain the dried product and grind it through a 200-mesh sieve to obtain modified fiber particles; according to the mass ratio of 1:10, the modified fiber Add the synthetic fiber particles to the EVA ...
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