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Stabilized distillate fuel oil

阅读:595发布:2023-10-08

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1. A DISTILLATE FUEL OIL CONTAINING A MINOR AMOUNT, SUFFICIENT TO INHIBIT SEDIMENTATION AND SCREEN CLOGGING AND TO PREVENT RUSTING OF FERROUS METAL SURFACES IN CONTACT THEREWITH, OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF (1) AN AMIC ACID OF A HETEROPOLYMER OF MALEIC ACID ANHYDRIDE AND A 1-OLEFIN, HAVING BETWEEN ABOUT 2 AND ABOUT 18 CARBON ATOMS, WITH AN UNSUBSTITUTED ALIPHATIC PRIMARY AMINE CONTAINING BETWEEN ABOUT 4 AND ABOUT 30 CARBON ATOMS PER MOLECULE, AND (2) AMINE SALTS OF (1) WITH UNSUBSTITUTED ALIPHATIC PRIMARY AMINE CONTAINING BETWEEN ABOUT 4 AND ABOUT 30 CARBON ATOMS PER MOLECULE, SAID HETEROPOLYMER BEING PRODUCED BY REACTING EQUIMOLAR AMOUNTS OF MALEIC ACID ANHYDRIDE AND SAID 1-OLEFIN AT TEMPERATURES OF BETWEEN ABOUT 100*C. AND ABOUT 175* C., FOR A PERIOD OF TIME VARYING BETWEEN ABOUT ONE HOUR AND ABOUT 4 HOURS.
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