Slow release anti-icing material for bituminous pavement and preparation method thereof

A slow release anti-icing material for a bituminous pavement, comprising an X component, a Y component and a Z component, wherein

• the X component is chloride of 80-95 parts;
• the Y component is an anti-corrosion agent, comprising sodium silicate of 0.01-0.5 parts by mass, sodium gluconate of 0.01-0.5 parts by mass and zinc dihydrogen phosphate of 0.01-0.5 parts;
• and
• the Z component is an acrylate polymer of 5-10 parts;
• wherein the chloride is at least one of sodium chloride, potassium chloride, calcium chloride and magnesium chloride;
• wherein the acrylate polymer is polybutyl acrylate, polypropyl acrylate or polyisobutyl acrylate, and is obtained from polymerization of an acrylate monomer, divinylbenzene as a cross-linking agent, and a hydrogen containing silicone oil in the presence of chloroplatinic acid as a catalyst;
• and
• wherein in the polymerization, each of the materials and its parts by mass are as follows:
• the acrylate monomer of 5-10 parts, the cross-linking agent of 0.002-0.004 parts, the hydrogen containing silicone oil of 0.001-0.05 parts, initiator benzoyl peroxide of 0.003-0.009 parts, and the chloroplatinic acid of 0.0005-0.001 parts, and
• wherein the hydrogen containing silicone oil comprises hydrogen at a mass fraction of 0.01 wt %-0.2 wt %, and the acrylate monomer is butyl acrylate, propyl acrylate or isobutyl acrylate.