Quaternary cationic polymers
A cationic polymer salt composition is provided that includes a reaction product derived from reaction of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt. Also provided are surfactant compositions. The compositions may also include carriers, such as water, methanol, ethanol, propanol, isopropanol, butanol, isobutanol, monoethyleneglycol, an ethyleneglycol monobutyl ether, and hexylene glycol.
1. A composition comprising a carrier and a cationic polymer salt comprising a reaction product derived from a reaction of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt of formula (I):
wherein
each X − is independently an anion;
R 1 is C 1 -C 6 alkylene substituted with a hydroxyl or —OR 5 and an X − end group;
R 2 , R 3 , and R 4 are each independently C 1 -C 22 alkyl or C 7 -C 22 arylalkyl; and
R 5 is C 1 -C 6 alkyl;
wherein any one of the following:
(A) the cationic polymer salt has no substitutions within its main chain, no alkyl-quaternized ammonium within its main chain, and comprises at least 4 quaternary ammonium groups; or
(B) the cationic polymer salt has one or more terminal tertiary amine groups having the formula (IV):
wherein R 11 is R 1 without the X − end group, and either: the polymer salt has no substitutions within its main chain or at least 1 of R 2 , R 3 , and R 4 is a C 9 -C 22 alkyl group; or
(C) R 2 and R 3 are C 6 -C 22 alkyl or C 7 -C 22 arylalkyl and R 4 is methyl.
2. The composition of claim 1 , wherein the carrier comprises water, an alcohol, an aromatic hydrocarbon, an alkylene glycol, an alkyleneglycol alkyl ether, or a combination thereof.
3. The composition of claim 1 , wherein the carrier comprises methanol, ethanol, propanol, isopropanol, butanol, isobutanol, monoethyleneglycol, ethyleneglycol monobutyl ether, hexylene glycol or a combination thereof.
4. A surfactant composition comprising an aqueous carrier and the cationic polymer salt of claim 1 .
5. The composition of claim 1 for inhibiting corrosion at a surface, the composition further comprising a component, and the component comprises an organic solvent, an additional corrosion inhibitor, an asphaltene inhibitor, a paraffin inhibitor, a scale inhibitor, an emulsifier, a water clarifier, a dispersant, an emulsion breaker, a gas hydrate inhibitor, a biocide, a pH modifier, a surfactant, or any combination thereof.
6. The composition of claim 5 , wherein the component comprises the organic solvent, and the organic solvent comprises an alcohol, a hydrocarbon, a ketone, an ether, an alkylene glycol, a glycol ether, an amide, a nitrile, a sulfoxide, an ester, or any combination thereof, and the composition optionally comprises water.
7. The composition of claim 5 , wherein the component comprises the organic solvent, and the organic solvent comprises methanol, ethanol, propanol, isopropanol, butanol, 2-ethylhexanol, hexanol, octanol, decanol, 2-butoxyethanol, methylene glycol, ethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, diethyleneglycol monomethyl ether, diethylene glycol monoethyl ether, ethylene glycol monobutyl ether, ethylene glycol dibutyl ether, pentane, hexane, cyclohexane, methylcyclohexane, heptane, decane, dodecane, diesel, toluene, xylene, heavy aromatic naphtha, cyclohexanone, diisobutylketone, diethyl ether, propylene carbonate, N-methylpyrrolidinone, N,N-dimethylformamide, or any combination thereof.
8. The composition of claim 5 , wherein the component comprises the additional corrosion inhibitor, and the additional corrosion inhibitor comprises an imidazoline compound, a pyridinium compound, or a combination thereof.
9. The composition of claim 5 , comprising from about 0.1 to about 20 wt. % of the cationic polymer salt.