Liquefaction reaction type petroleum asphalt with long-term normal-temperature storage stability
The invention discloses liquefaction reaction type petroleum asphalt with long-term normal-temperature storage stability in the technical field of petroleum asphalt. The triblock copolymer is prepared through ATRP polymerization reaction to serve as the dispersing agent of the SBS modified petroleum...
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| creator | LIU ZHONGYUAN LIU HONGLEI YAN YUN DUAN ZHENG YANG XINGWANG WANG JINGLIN GUAN ZILIANG LUO CHAOFAN XU QI JIANG SHUAI SHENG RUIHAO ZHANG XUNA LI LINGJIE YANG LIUYONG ZHENG WEI SONG JINDONG |
| description | The invention discloses liquefaction reaction type petroleum asphalt with long-term normal-temperature storage stability in the technical field of petroleum asphalt. The triblock copolymer is prepared through ATRP polymerization reaction to serve as the dispersing agent of the SBS modified petroleum asphalt, the molecular weight is low and controllable, the molecular weight distribution is uniform, intermolecules are not prone to winding, sulfonic acid groups can endow SBS with phase electrification, electrostatic attraction between the SBS is reduced, the sulfonic acid groups and cations such as sodium and potassium are subjected to electric neutralization, and the SBS modified petroleum asphalt can be effectively dispersed. The condensation and deposition of SBS are reduced; the compatibility of thiophene groups with PS segments in the SBS and aromatic compounds and heterocyclic compounds in the asphalt is good, so that the dispersion of the SBS is facilitated, and an anti-oxidation effect is achieved; the |
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The triblock copolymer is prepared through ATRP polymerization reaction to serve as the dispersing agent of the SBS modified petroleum asphalt, the molecular weight is low and controllable, the molecular weight distribution is uniform, intermolecules are not prone to winding, sulfonic acid groups can endow SBS with phase electrification, electrostatic attraction between the SBS is reduced, the sulfonic acid groups and cations such as sodium and potassium are subjected to electric neutralization, and the SBS modified petroleum asphalt can be effectively dispersed. 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The triblock copolymer is prepared through ATRP polymerization reaction to serve as the dispersing agent of the SBS modified petroleum asphalt, the molecular weight is low and controllable, the molecular weight distribution is uniform, intermolecules are not prone to winding, sulfonic acid groups can endow SBS with phase electrification, electrostatic attraction between the SBS is reduced, the sulfonic acid groups and cations such as sodium and potassium are subjected to electric neutralization, and the SBS modified petroleum asphalt can be effectively dispersed. The condensation and deposition of SBS are reduced; the compatibility of thiophene groups with PS segments in the SBS and aromatic compounds and heterocyclic compounds in the asphalt is good, so that the dispersion of the SBS is facilitated, and an anti-oxidation effect is achieved; the</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Liquefaction reaction type petroleum asphalt with long-term normal-temperature storage stability |
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