Asphaltene dispersants - inhibitors

Details Asphaltene dispersants - inhibitors Asphaltene dispersants - inhibitors

1991-02-14

1991-12-17

Morris, Theodore

Mineral oils: processes and products

Products and compositions

Asphalts, tars, pitches and resins

524484, 524 65, 524 69, 524 64, 525134, 525143, 525142, C08L 3306

Patent

active

050732480

ABSTRACT:
A method of dispersing asphalt/asphaltene comprising an admixture of polymer A and polymer B ranging from 90 to 10 weight percent A to from 10 to 90 weight percent B. Wherein polymer A is an alkyl substituted phenolformaldehyde liquid resin having a weight average molecular weight ranging from about 1000 to about 20,000 and an alkyl substituent containing from 4 to 24 carbon atoms, with alkyl substituent may be linear or branched alkyl group. Polymer B is a hydrophilic-lipophilic vinylic polymer.

REFERENCES:
patent: 2819237 (1958-01-01), Daniel

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