Halloysite nanotube synergistic flame-retardant modified asphalt and preparation method thereof
A technology of halloysite nanotubes and modified asphalt, applied in the field of flame retardant asphalt, can solve problems such as the toxic addition amount of flame retardants, achieve good water damage resistance, good thermal stability, and improve high temperature rutting resistance. Effect
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[0026] The present invention is described in further detail below by specific embodiments:
[0027] A halloysite nanotube synergistic flame retardant modified asphalt, comprising the following raw materials in parts by weight: 100 parts of SBS modified asphalt and 2-11 parts of a nano synergistic flame retardant, the nano synergistic flame retardant comprising Substances with the following components: 2-11 parts of halloysite nanotubes and 7-11 parts of a targeted controlled-release flame retardant, and the targeted controlled-release flame retardant consists of 6-8 parts of diethylaluminum hypophosphite and 3-4 parts of ultra-fine aluminum hydroxide composition. Among them, halloysite nanotubes are nanoscale tubular silicates. The particle size of halloysite nanotubes is less than 2um. Only when the average particle size is smaller than this range can nanomaterials effectively exert the characteristics of nanomaterials. The purity of diethylaluminum hypophosphite is greater ...
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