Condensation product and use thereof as dispersant for pitch...

Details Condensation product and use thereof as dispersant for pitch... Condensation product and use thereof as dispersant for pitch...

C - Chemistry, Metallurgy

08

L

402/100, 400/130

C08L 95/00 (2006.01) B01F 17/00 (2006.01) C07D 209/88 (2006.01) C10L 1/32 (2006.01)

Patent

CA 1213895

ABSTRACT A novel condensation product obtained by reaction of an aldehyde such as formaldehyde and two different first and second, sulfonic acid-containing aromatic compounds. The first aromatic compound has an organic character value to inorganic character value of at least 0.6 and may be, for example, naphthalenemonosulfonic acid and anthracenemonosulfonic acid, whereas the second aromatic compound has an organic character value to inorganic character value ratio of 0.5 or less and may be, for example, naphthalenedisulfonic acid and anthracene- disulfonic acid. The condensation product is useful as a dispersant for forming a pitch-in-water slurry.

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