Sulfur-containing, phosphorus-containing compound, its salt, and methods thereof
There is disclosed a salt of a sulfur-containing, phosphorus-containing compound. There is also disclosed a method of making the salt.
1 . A compound of formula (V):
wherein n is an integer from 1 to 5; and
wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 10 , and R 11 are independently selected from the group consisting of hydrogen, cyano, and hydrocarbyl groups comprising from about 1 to about 30 carbon atoms.
2 . The compound of claim 1 , wherein R 1 and R 2 are methyl; R 3 , R 4 , R 5 , and R 6 are hydrogen; and R 10 and R 11 are alkyl groups comprising from about 1 to about 6 carbon atoms.
3 . A process of preparing a salt of a sulfur-containing, phosphorus-containing comprising:
combining a sulfur-containing compound, an amide, and a phosphorus-containing compound to form a first mixture; and
combining the first mixture with an amine.
4 . The process of claim 3 , wherein the sulfur-containing compound is a compound comprising at least one of free and active sulfur.
5 . The process of claim 4 , wherein the sulfur-containing compound is chosen from elemental sulfur, polysulfides, and sulfurized olefins.
6 . The process of claim 5 , wherein the sulfur-containing compound is elemental sulfur.
7 . The process of claim 3 , wherein at least an equimolar equivalent or greater of the sulfur-containing compound is used.
8 . The process of claim 3 , wherein the process occurs at a temperature ranging from about 23° C. to about 90° C.
9 . The process of claim 3 , wherein from about 0.05 to about 2 molar equivalents of the amide are used.
10 . The process of claim 3 , wherein from about 0.05 to about 2 molar equivalents of the amine are used.
11 . The process of claim 3 , wherein the phosphorus-containing compound is at least one of a compound of formula (I) and (IV):
wherein n is an integer from about 1 to about 5; and
wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 10 , and R 11 are independently selected from the group consisting of hydrogen, cyano, and hydrocarbyl groups comprising from about 1 to about 30 carbon atoms.
12 . The process of claim 11 , wherein in formula (IV) R 1 and R 2 are methyl; R 3 , R 4 , R 5 , and R 6 are hydrogen; and R 10 and R 11 are alkyl groups comprising from about 1 to about 6 carbon atoms.
13 . The process of claim 3 , wherein the first mixture comprises at least one of a compound of formula (II) and (V):
wherein n is an integer from 1 to 5; and
wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 10 , and R 11 are independently selected from the group consisting of hydrogen, cyano, and hydrocarbyl groups comprising from about 1 to about 30 carbon atoms.
14 . A process of preparing a compound of formula (II) comprising:
combining a sulfur-containing compound, an amide, and a compound of formula (I)
wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are independently selected from the group consisting of hydrogen, cyano, and hydrocarbyl groups comprising from about 1 to about 30 carbon atoms, wherein at least one substituent is a methyl,
to yield a compound of formula (II)
wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are as defined above.
15 . The process of claim 14 , wherein R 1 and R 2 are methyl; and R 3 , R 4 , R 5 , and R 6 are hydrogen.
16 . The process of claim 14 , wherein the sulfur-containing compound is a compound comprising at least one of free and active sulfur.
17 . The process of claim 16 , wherein the sulfur-containing compound is chosen from elemental sulfur, polysulfides, and sulfurized olefins.
18 . The process of claim 17 , wherein the sulfur-containing compound is elemental sulfur.
19 . The process of claim 14 , wherein at least an equimolar equivalent or greater of the sulfur-containing compound is used.
20 . The process of claim 14 , wherein the process occurs at a temperature ranging from about 23° C. to about 90° C.
21 . The process of claim 14 , wherein from about 0.05 to about 2 molar equivalents of the amide are used.
22 . The process of claim 14 , wherein the process takes from about 1 to about 8 hours.
23 . A process for preparing a salt of a sulfur-containing, phosphorus-containing compound comprising:
combining a sulfur-containing compound, an amide, and at least one of a dihydrocarbyl phosphite and a polymer phosphite to yield a sulfur-containing, phosphorus-containing compound; and
combining an amine to yield a salt of the sulfur-containing, phosphorus-containing compound.
24 . The process of claim 23 , wherein the amine is a linear amine.
25 . The process of claim 24 , wherein the linear amine is an aliphatic primary fatty amine.
26 . The process of claim 23 , wherein the amine is a branched amine.
27 . The process of claim 26 , wherein the branched amine is a mixture of C 14-24 tertiary alkyl primary amines.
28 . The process of claim 24 , wherein from about 0.05 to about 2 molar equivalents of the amine are used.
29 . The process of claim 24 , wherein the process takes from about 1 to about 8 hours.