Quaternary ammonium composition
View Patent ↗A quaternary ammonium composition is claimed which essentially consists of a) a cationic compound with general formula: wherein R 1 is C 8 -C 22 -alkyl, C 8 -C 22 -alkenyl, C 8 -C 22 -alkylamidopropyl, C 8 -C 22 -alkenyl-amidopropyl, C 8 -C 22 -alkyl/alkenyl(poly)alkoxyalkyl, C 8 -C 22 -alkanoylethyl or C 8 -C 22 -alkenoylethyl, R 2 , R 3 and R 4 are C 1 —C 22 -alkyl, C 2 -C 22 -alkenyl or a group of the formula -A-(OA) n -OH, A is —C 2 H 4 — and/or —C 3 H 6 —, n is a number from 0 to 20 and X is an anion, b) water and c) a non-ionic solvent of the general formula R—O-(AO) n H, where R is hydrogen, alkyl or alkenyl containing 8 to 22 carbon atoms, or phenyl, A is C 2 H 4 and/or C 3 H 6 and n is a number from 0 to 20, which composition is characterized in that it contains less than 20% by weight of water.
1. A quaternary ammonium composition consisting essentially of
a) a cationic compound with general formula:
wherein R 1 is C 8 -C 22 -alkyl, C 8 -C 22 -alkenyl, C 8 -C 22 -alkylamidopropyl, C 8 -C 22 -alkenyl-amiodopropyl, C 8 -C 22 -alkyl/alkeny(poly)alkoxyalkyl, C 8 -C 22 -alkanoylethyl or C 8 -C 22 -alkenoylethyl, R 2 and R 3 are C 1 -C 22 -alkyl, C 2 -C 22 -alkenyl and R 4 is a group of the formula -A-(OA) n -OH, A is —C 2 H 4 — and/or —C 3 H 8 —, n is a number from 0 to 20 and X is an anion,
b) less than 20% by weight of water based on said composition and
c) a non-ionic solvent selected from the group consisting of an alcohol or an ethoxylated alcohol with the general formula R—O-(AO) n H, where R is alkyl or alkenyl group containing 8 to 22 carbon atoms, A is C 2 H 4 or C 3 H 6 and mixtures thereof, and n is a number from 0 to 20, nonylphenol or ethoxylated nonylphenol with the general formula C 8 H 18 -phenyl-O-(AO) n H, where A and n are as defined above, and mixtures thereof.
2. The composition of claim 1 , which contains 5 to 60% by weight of the cationic compound a).
3. The composition of claim 1 , wherein the cationic compound a) is an C 8 -C 22 -alkyl or C 8 -C 22 -akenyl-dimethyl-hydroxyethyl ammonium.
4. The composition of claim 1 , which has 40 to 95% by weight of the non-ionic solvent c).
5. The composition of claim 1 , which has less than 5% of by-products.
6. The composition of claim 1 , which the non-ionic solvent is selected from the group consisting of an ethoxylated fatty alcohol, a fatty alcohol, a polyethylene glycol, a polypropylene glycol, a block co-polymer of ethylene and propylene, a nonylphenol, an ethoxylated nonylphenol, and a mixture thereof.
7. A process for preparing
a quaternary ammonium composition consisting essentially of
a) a cationic compound with general formula:
wherein R 1 is C 8 -C 22 -alkyl, C 8 -C 22 -alkenyl, C 8 -C 22 -alkylamidopropyl, C 8 -C 22 -alkenyl-amidopropyl, C 8 -C 22 -alkyl/alkenyl(poly)alkoxyalkyl, C 8 -C 22 -alkanoylethyl or C 8 -C 22 -alkenoylethyl, R 2 and R 3 C 1 -C 22 -alkyl, C 2 -C 22 -alkenyl, R 4 is a group of the formula -A-(OA) n -OH wherein A is —C 2 H 4 — or —C 3 H 8 —, or a mixture thereof, n is a number from 0 to 20 and X is an anion,
b) less than 20% by weight of water based on said composition and
c) a non-ionic solvent selected from the group consisting of an alcohol or an ethoxylated alcohol with the general formula R—O-(AO) n H, where R is alkyl or alkenyl group containing 8 to 22 carbon atoms, A is C 2 H 4 or C 3 H 8 and mixtures thereof, and n is a number from 0 to 20, nonylphenol or ethoxylated nonylphenol with the general formula C 9 H 19 -phenyl-O-(AO) n H, where A and n are as defined above, and mixtures thereof,
said process comprising:
reacting an amine of the formula
wherein R 1 is C 8 -C 22 -alkyl, C 8 -C 22 -alkenyl, C 8 -C 22 -alkylamidopropyl, C 8 -C 22 -alkenyl-amidopropyl, C 8 -C 22 -alkyl/alkenyl(poly)alkoxyalkyl, C 8 -C 22 -alkanoylethyl or C 8 -C 22 -alkenoylethyl, R 2 and R 3 are C 1 -C 22 -alkyl, C 2 -C 22 -alkenyl or a group of the formula -A-(OA) n —OH, wherein A is —C 2 H 4 — or —C 3 H 6 —, or a mixture thereof, and n is a number from 0 to 20 with an inorganic monohalo acid, and
further reacting the ammonium salt thus obtained with ethylene oxide or propylene oxide or a mixture thereof to provide said quaternary ammonium composition.
8. The process of claim 7 , wherein the amine is C 8 -C 22 -alkyl or C 8 -C 22 -alkenyl-dimethyl amine, or mixtures thereof.
9. The process of claim 7 , wherein the monohalo acid is aqueous, hydrochloric acid.
10. The process of claim 7 , wherein the ammonium salt is reacted with ethylene oxide.
11. The process of claim 7 , wherein the non ionic solvent is a C 12 /C 14 /C 16 alcohol polyglycol having 7 EO units.
12. The process of claim 7 , wherein the first step is proceed in a temperature between 20 and 100° C.
13. The process of claim 7 , wherein the second step is proceeded in a temperature between 40 and 100° C.
14. The process of claim 7 , wherein the amine is C 8 -C 22 -alkyl or C 8 -C 22 -alkenyl-dimethyl amine, or mixtures thereof.