| abstract |
The invention relates to dispersions of a polymer additive for oil, including I) at least one polymer effective for oil as a cold extrusion improver and oil soluble, II) at least one organic solvent that cannot be mixed with water, III) water, IV) at least one polycyclic carboxylic acid alkanolamine salt as a dispersant; and V) at least one organic solvent that can be mixed with water. An oil soluble polymer effective as a cold flow improver for oil is selected from the group consisting of (i) an ethylene unsaturated ester copolymer, ether or alkene, (ii) an ethylenically unsaturated carboxylic acid ester homo or copolymer, said ester contains (CC) alkyl radicals, (iii) an ethylene copolymer on which ethylenically unsaturated esters and / or ethers are grafted, (iv) a homo- or copolymer of α-olefins with 3-30 carbon atoms; (v) a condensation product of alkyl phenol and an aldehyde and / or ketone. A method of obtaining a dispersion is to mix the components while mixing them. Dispersion is used as a means to improve the cold flow properties of paraffin oil and products derived from it. |