Anti-stripping sulfur asphalt as well as preparation method and application thereof
The invention discloses anti-stripping sulfur asphalt as well as a preparation method and application thereof. The anti-stripping sulfur asphalt is prepared from the following raw materials: 5 to 20 parts of sulfur, 1 to 5 parts of naphthalene series, 2 to 8 parts of ethylene-vinyl acetate copolymer...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses anti-stripping sulfur asphalt as well as a preparation method and application thereof. The anti-stripping sulfur asphalt is prepared from the following raw materials: 5 to 20 parts of sulfur, 1 to 5 parts of naphthalene series, 2 to 8 parts of ethylene-vinyl acetate copolymer, 1 to 3 parts of styrenated phenol, 1 to 3 parts of nitrogen-containing aromatic compound and 60 to 90 parts of petroleum asphalt. The preparation method of the anti-stripping sulfur asphalt comprises the following steps: (1) carrying out a reaction on sulfur and a naphthalene-based substance in an inert atmosphere, and (2) mixing and granulating an ethylene-vinyl acetate copolymer, styrenated phenol, a nitrogen-containing aromatic compound and a reaction product obtained in the step (1) to obtain particles, and (3) heating and melting the petroleum asphalt, and then adding the particulate matters to obtain the anti-stripping sulfur asphalt. The anti-stripping sulfur asphalt is particularly suitable for paving air |
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