MACROMOLECULAR CORROSION (McIn) INHIBITORS: STRUCTURES, METHODS OF MAKING AND USING THE SAME

A method of preventing corrosion in a corrodible material, the method comprising combining the corrodible material with a compound represented by the following structural formula:

• wherein X is
• each R1 is H, independently an optionally substituted C1-C20 alkyl group, an optionally substituted C1-C10 alkyl group, a tertiary carbon group, a methyl group, a methoxy group, an optionally substituted aryl group, an optionally substituted alkoxy group, an optionally substituted carbonyl group, an optionally substituted alkoxycarbonyl group, an optionally —CH(R′″)(R′″COOH) wherein each R′″ independently C1-C10 linear or branched alkyl chain, or an optionally substituted carbocyclic or heterocyclic non-aromatic ring;
• i
• =
• 0
• ⁢
• or
• ⁢
• 1
• ⁢
• or
• ⁢
• 2
• ⁢
• or
• ⁢
• 3
• ;
• j
• =
• 0
• ⁢
• or
• ⁢
• 1
• ;
• n is an integer from 1 to 1000 or 1 to 100, 1 to 50 or 1 to 25, 1 to 15, or preferably 1 to 10,
• when n=1, then j=0;
• when n>1 then j=1;
• wherein each of R2, R3, is H, independently a C1-C8 linear or branched or cyclic alkyl chain, independently an optionally substituted C1-C20 alkyl group, an optionally substituted C1-C10 alkyl group, a tertiary carbon group, a methyl group, a methoxy group, an optionally substituted aryl group, and optionally substituted alkoxy group, an optionally substituted carbonyl group, an optionally substituted alkoxycarbonyl group, an optionally —CH(R′″)(R′″COOH);
• and
• R is a C1-C24 linear or branched alkyl chain, alkenyl chain, or an isomerized structure or a mixture of isomerized (A) and (B):
• wherein Ra is a C1-C24 alkenyl linear or branched chain.