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Stabilized fuel oils

阅读:550发布:2023-10-07

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1. A PETROLEUM BASE FUEL OIL CONTAINING AS A SLUDGE INHIBITING AND DISPERSING AGENT AT LEAST 0.001% BY WEIGHT OF AN OIL SOLUBLE, BASIC AMINO NITROGEN-CONTAINING ADDITION TYPE COPOLYMER CONTAINING IN COMBINED FORM AS ITS ESSENTIAL MONOMERIC COMPONENTS COPOLYMERIZABLE ETHYLENICALLY UNSATURATED COMPOUNDS EACH CONTAINING ONLY ONE POLYMERIZABLE ETHYLENIC LINKAGE, AT LEAST ONE OF WHICH COMPONENT IS AMINE-FREE AND CONTAINS FROM 8 TO ABOUT 18 CARBON ATOMS IN AN ALIPHATIC HYDROCARBON CHAIN WHICH IN THE POLYMER IS NOT PART OF THE MAIN CHAIN, AND ONE OF THE COMPONENTS AS IT EXISTS IN THE POLYMER CONTAINING A BASIC AMINO NITROGEN IN THE SIDE CHAIN, SAID COPOLYMER CONTAINING 0.1% TO 3.5% BY WEIGHT OF BASIC AMINO NITROGEN AND SAID COPOLYMER HAVING AN INHERENT VIXCOSITY OF 0.1 TO 3.0 AS DETERMINED AT 0.1% WEIGHT-VOLUME CONCENTRATION IN BENZENE AT 25* C.
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