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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Format: | Patent |
Sprache: | chi ; eng |
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