Modified asphalt composition particle and preparation method thereof
A technology of modified asphalt and composition, applied in the field of petroleum asphalt, can solve problems such as increasing the difficulty of asphalt dispersion, and achieve the effect of improving quality
Active Publication Date: 2016-05-18
CHINA PETROLEUM & CHEM CORP +1
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The invention discloses modified asphalt composition particle and its preparation method. The modified asphalt composition particle comprises the following ingredients (by weight): 15-60 parts of high softening point asphalt I, 10-50 parts of high softening point asphalt II and 20-50 parts of rubber powder granule. The high softening point asphalt II coats the rubber powder granule. The high softening point asphalt I coats the high softening point asphalt II. Softening point difference of the high softening point asphalt I and the high softening point asphalt II is 15-50 DEG C. The modified asphalt composition particle of the invention has high softening point and excellent high temperature performance. The preparation method is simple. The product can continuously play a role in deep well drilling under the drilling operation condition of wide temperature range, and has good plugging and filtration-reducing effects.
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Property | Measurement | Unit |
Softening point | 200.0 | °C |
Softening point | 250.0 | °C |
Softening point | 140.0 | °C |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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