| 摘要 |
FIELD: petroleum industry. SUBSTANCE: product of consequent addition of ethylene oxide, propylene oxide and high alcohol of C<SB>16</SB>-C<SB>20</SB>-fraction comprises these components at their molar ratio (10-14):(16-20):1, respectively. Composition for prevention of asphalt-resin-paraffin depositions comprises, %: product of consequent addition of ethylene oxide, propylene oxide to high fatty alcohol, 10-30; modifying additive, 1-3; organic solvent, the balance. Proposed composition has low solidification point and is stable by storage while its high effectiveness retains. EFFECT: improved quality of product. 4 cl, 3 tble
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