Bis-hydroxy diamides and methods therefor

Details Bis-hydroxy diamides and methods therefor Bis-hydroxy diamides and methods therefor

C - Chemistry, Metallurgy

07

C

260/550, 260/555

C07C 233/18 (2006.01) C07C 233/69 (2006.01) C08G 69/44 (2006.01)

Patent

CA 2033584

NOVEL BIS-HYDROXY DIAMIDES AND METHODS THEREFOR (D#80,770-F) Abstract of the Disclosure Novel bis-hydroxy diamides having the formula: Image where R is an alkyl or aryl moiety having from 3 to 10 carbon atoms and where x ranges from 1 to 6 may be produced by reacting dicarboxylic acids with polyethylene glycol monoamines. Suitable dicarboxylic acids include adipic acid, terephthalic acid, isophthalic acid, t-butyl isophthalic acid, 1,1,3 trimethyl-5-carboxy-3-(p-carboxyphenyl)indane, and mixtures thereof. Suitable monoamines include diethylene glycol monoamine, also known as Diglycolamine? amine (DGA); triethylene glycol monoamine (TEGMA) and tetraethylene glycol monoamine (T4EGMA), among others. The resulting bis-hydroxy diamides are useful to make hydroxy-terminated polyamides and as fuel additive corrosion inhibitors. The diamides have unusual solubility properties.

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