Sodium-potassium hexametaphosphate and potassium metaphosphate with a low insolubles content
View Patent ↗Potassium-containing polyphosphate glasses having a relatively high amount of potassium and a relatively low level of insoluble material (e.g., less than about 10% by weight), and a method for their production that includes using a boron-containing glass-former additive. More specifically, these polyphosphate glasses may be described according to the formula M (n+2) O(PO 3 ) n , where M is at least K or K+Na and the glasses have a mole % M-as-K that is about 33 to 100. These polyphosphate glasses may be used in reduced sodium foods (e.g., beverages and meat products).
1. A borate-modified potassium-containing polyphosphate glass composition, wherein said polyphosphate glass composition is represented as comprising M 2 O, B 2 O 3 , and P 2 O 5 , wherein M is at least K, and has a mole % M-as-K that is at least about 50%, a concentration of B 2 O 3 that is at least about 0.07 mole % and no greater than about 3.3 mole %, a M/P mole ratio that is at least about 0.90 and no greater than about 1.60, and wherein no more than about 10% by weight of said polyphosphate glass composition is insoluble in room temperature water.
2. The borate-modified potassium-containing polyphosphate glass composition of claim 1 wherein the concentration of B 2 O 3 is at least about 0.30 mole % and no greater than about 3.3 mole %.
3. The borate-modified potassium-containing polyphosphate glass composition of claim 1 wherein the M/P mole ratio is at least about 0.95 and no greater than about 1.20.
4. The borate-modified potassium-containing polyphosphate glass composition of claim 1 wherein M is at least K and Na and the mole % M-as-K is at least about 50% and no greater than about 95%.
5. The borate-modified potassium-containing polyphosphate glass composition of claim 1 wherein no more than about 5% by weight of said polyphosphate glass composition is insoluble in room temperature water.
6. The borate-modified potassium-containing polyphosphate glass composition of claim 1 wherein M is K and Na.
7. The borate-modified potassium-containing polyphosphate glass composition of claim 1 wherein M is K.
8. A sodium-potassium polyphosphate (SKMP) composition, wherein the SKMP composition is represented as comprising M 2 O, B 2 O 3 , and P 2 O 5 , wherein M is at least K and Na, and wherein the SKMP composition has:
a) a concentration of B 2 O 3 that is at least about 0.07 mole % and no greater than about 3.3 mole %,
b) a M/P mole ratio that is at least about 0.90 and no greater than about 1.60;
c) a mole % M-as-K that is at least about 50%; and
d) a concentration of water insolubles that is less than about 10% by weight in room temperature water.
9. The SKMP composition of claim 8 wherein:
a) the concentration of B 2 O 3 is at least about 0.30 mole % and no greater than about 3.3 mole %, and
b) the mole % M-as-K is at least about 50% and no greater than about 95%.
10. A food composition comprising a sodium-potassium polyphosphate (SKMP) composition, wherein the SKMP composition is represented as comprising M 2 O, B 2 O 3 , and P 2 O 5 , wherein M is at least K and Na, and wherein the SKMP composition has:
a) a concentration of B 2 O 3 that is at least about 0.07 mole % and no greater than about 3.3 mole %,
b) a M/P mole ratio that is at least about 0.90 and no greater than about 1.60;
c) a mole % M-as-K that is at least about 50%; and
d) a concentration of water insolubles that is less than about 10% by weight.
11. The food composition of claim 10 wherein the food is processed cheese.
12. The food composition of claim 10 wherein the food is a meat.
13. The food composition of claim 10 wherein the food is a beverage.
14. A cleaning composition comprising water and a sodium-potassium polyphosphate (SKMP) composition, wherein the SKMP composition is represented as comprising M 2 O, B 2 O 3 , and P 2 O 5 , wherein M is at least K and Na, and wherein the SKMP composition has:
a) a concentration of B 2 O 3 that is at least about 0.07 mole % and no greater than about 3.3 mole %,
b) a M/P mole ratio that is at least about 0.90 and no greater than about 1.60;
c) a mole % M-as-K that is at least about 50%; and
d) a concentration of water insolubles that is less than about 10% by weight in room temperature water.
15. A borate-modified potassium-containing polyphosphate glass composition, wherein said polyphosphate glass composition is represented as consisting essentially of M 2 O, B 2 O 3 , and P 2 O 5 , wherein M is at least K, and has a mole % M-as-K that is at least about 33%, a concentration of B 2 O 3 that is at least about 0.07 mole % and no greater than about 8.00 mole %, a M/P mole ratio that is at least about 0.90 and no greater than about 1.60, and wherein no more than about 10% by weight of said polyphosphate glass composition is insoluble in room temperature water.
16. The borate-modified potassium-containing polyphosphate glass composition of claim 15 wherein the concentration of B 2 O 3 is at least about 0.30 mole % and no greater than about 3.3 mole %.
17. The borate-modified potassium-containing polyphosphate glass composition of claim 15 wherein the M/P mole ratio is at least about 0.95 and no greater than about 1.20.
18. The borate-modified potassium-containing polyphosphate glass composition of claim 15 wherein M is at least K and Na and the mole % M-as-K is at least about 50% and no greater than about 95%.
19. The borate-modified potassium-containing polyphosphate glass composition of claim 15 wherein no more than about 5% by weight of said polyphosphate glass composition is insoluble in room temperature water.
20. The borate-modified potassium-containing polyphosphate glass composition of claim 15 wherein M is K and Na.
21. The borate-modified potassium-containing polyphosphate glass composition of claim 15 wherein M is K.
22. A sodium-potassium polyphosphate (SKMP) composition, wherein the SKMP composition is represented as consisting essentially of M 2 O, B 2 O 3 , and P 2 O 5 , wherein M is at least K and Na, and wherein the SKMP composition has:
a) a concentration of B 2 O 3 that is at least about 0.07 mole % and no greater than about 8.00 mole %,
b) a M/P mole ratio that is at least about 0.90 and no greater than about 1.60;
c) a mole % M-as-K that is at least about 33%; and
d) a concentration of water insolubles that is less than about 10% by weight.
23. The SKMP composition of claim 22 wherein:
a) the concentration of B 2 O 3 is at least about 0.30 mole % and no greater than about 3.3 mole %; and
c) the mole % M-as-K is at least about 50% and no greater than about 95%.
24. The food composition comprising a sodium-potassium polyphosphate (SKMP) composition of claim 10 wherein the SKMP composition has a concentration of B 2 O 3 that is at least about 0.30 mole % and no greater than about 3.3 mole %.
25. The food composition comprising a sodium-potassium polyphosphate (SKMP) composition of claim 10 wherein the SKMP composition has a mole % M-as-K that is at least about 50% and no greater than about 95%.
26. The cleaning composition comprising water and a sodium-potassium polyphosphate (SKMP) composition of claim 14 wherein the SKMP composition has a mole % M-as-K that is at least about 50% and no greater than about 95%.
27. A food composition comprising a sodium-potassium polyphosphate (SKMP) composition, wherein the SKMP composition is represented as consisting essentially of M 2 O, B 2 O 3 , and P 2 O 5 , wherein M is at least K and Na, and wherein the SKMP composition has:
a) a concentration of B 2 O 3 that is at least about 0.07 mole % and no greater than about 3.3 mole %,
b) a M/P mole ratio that is at least about 0.90 and no greater than about 1.60;
c) a mole % M-as-K that is at least about 33%; and
d) a concentration of water insolubles that is less than about 10% by weight.
28. The food composition of claim 27 wherein the food is processed cheese.
29. The food composition of claim 27 wherein the food is a meat.
30. The food composition of claim 27 wherein the food is a beverage.
31. The food composition comprising a sodium-potassium polyphosphate (SKMP) composition of claim 27 wherein the SKMP composition has a concentration of B 2 O 3 that is at least about 0.30 mole % and no greater than about 3.3 mole %.
32. The food composition comprising a sodium-potassium polyphosphate (SKMP) composition of claim 27 wherein the SKMP composition has a mole % M-as-K that is at least about 50% and no greater than about 95%.
33. A cleaning composition comprising water and a sodium-potassium polyphosphate (SKMP) composition, wherein the SKMP composition is represented as consisting essentially of M 2 O, B 2 O 3 , and P 2 O 5 , wherein M is at least K and Na, and wherein the SKMP composition has:
a) a concentration of B 2 O 3 that is at least about 0.07 mole % and no greater than about 8.00 mole %,
b) a M/P mole ratio that is at least about 0.90 and no greater than about 1.60;
c) a mole % M-as-K that is at least about 33%; and
d) a concentration of water insolubles that is less than about 10% by weight.
34. The cleaning composition comprising water and a sodium-potassium polyphosphate (SKMP) composition of claim 33 wherein the SKMP composition has a mole % M-as-K that is at least about 50% and no greater than about 95%.