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US 2018/0002626 A1Published application
Hydrocarbon solvent stable aqueous pour point depressant dispersion composition
AssigneeDow Global Technologies LLC
InventorsStephanie L. POTISEK, Kevin P. CAPALDO, Daniel L. DERMODY
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Abstract
The present invention relates to an aqueous pour point depressant dispersion composition comprising an ethylene vinyl acetate copolymer (EVA); a dispersing agent; a polyethoxylated nonionic surfactant, a low level of hydrocarbon solvent, water; optionally one or more of an aqueous freezing point depressant, a stabilizing agent, or a basic metal substance and a method to use said composition.
Claims13
An aqueous pour point depressant dispersion composition comprising:
- (i) ethylene vinyl acetate copolymer (EVA) in an amount of from 12 to 50 weight percent;
- (ii) a dispersing agent in an amount of from 1 to 10 weight percent;
- (iii) a polyethoxylated nonionic surfactant;
- (iv) water;
- (v) a hydrocarbon solvent in an amount up to 50 weight percent;
- and
- (vi) optionally an aqueous freezing point depressant,
- wherein weight percents are based on the total weight of the aqueous pour point depressant dispersion composition.
5 more elements
Dependencies are inferred from the claim text.