Rheological solid composition
A rheological solid composition comprising a crystallizing agent and an aqueous phase.
1. A rheological solid composition comprising:
a crystallizing agent; an aqueous phase comprising at least about 80 wt % water; and NaCl;
wherein, the rheological solid composition has a firmness between about 1.0 N to about 20.0 N as determined by the FIRMNESS TEST METHOD using a texture analyzer at room temperature;
a thermal stability of about 40° C. to about 95° C. as determined by the THERMAL STABILITY TEST METHOD using a differential scanning calorimeter (DSC);
a liquid expression of between about 100 J m-3 to about 8,000 J m-3 as determined by the AQUEOUS PHASE EXPRESSION TEST METHOD using a rheometer at room temperature; and
wherein the crystallizing agent is a blend of sodium salts of fatty acids containing from 13 to 17 carbon atoms; wherein the crystallizing agent blend has an Optimal Purity (Po) of greater than about 0.3 and a Single Purity (Ps) of greater than about 0.5 as determined by the BLEND TEST METHOD;
wherein the amount of crystallizing agent in the composition is between about 0.5% and 7.0% by weight of the rheological solid composition.
2. The composition of claim 1 , wherein the rheological solid composition comprises a NaCl concentration of at most 10 wt %.
3. The composition of claim 1 , wherein the Optimal Purity (Po) is greater than about 0.5.
4. The composition of claim 1 , wherein the Optimal Purity (Po) is greater than about 0.7.
5. The composition of claim 1 , wherein the Optimal Purity (Po) is greater than about 0.8.
6. The composition of claim 1 , wherein the Single Purity (Ps) is greater than about 0.6.
7. The composition of claim 1 , wherein the Single Purity (Ps) is greater than about 0.7.
8. The composition of claim 1 , wherein the Single Purity (Ps) is greater than about 0.9.
9. The rheological solid composition of claim 1 wherein the sodium salts are at least two of sodium palmitate, sodium myristate, sodium tridecanoate, sodium pentadecanoate, and sodium heptadecanoate.
10. The rheological solid composition of claim 1 wherein the crystallizing agent is present in an amount from about 1% to about 5% by weight of the rheological solid composition.
11. The rheological solid composition of claim 1 wherein the crystallizing agent is present in an amount from about 2% to about 4% by weight of the rheological solid composition.
12. The rheological solid composition of claim 1 , wherein, the rheological solid composition has the firmness between about 5.0 N to about 10.0 N as determined by the FIRMNESS TEST METHOD using the texture analyzer at room temperature.
13. The rheological solid composition of claim 1 , wherein the rheological solid composition has the thermal stability from about 45° C. to about 80° C. as determined by the THERMAL STABILITY TEST METHOD using the DSC.
14. The rheological solid composition of claim 1 , wherein the rheological solid composition has the thermal stability from about 50° C. to about 95° C. as determined by the THERMAL STABILITY TEST METHOD using a TA Q Series using the DSC.
15. The rheological solid composition of claim 1 , wherein the rheological solid composition has the liquid expression of between about 1,000 J m-3 to about 7,000 J m-3 as determined by the AQUEOUS PHASE EXPRESSION TEST METHOD using the rheometer at room temperature.
16. The rheological solid composition of claim 1 , wherein the rheological solid composition has the liquid expression of between about 2,000 J m-3 to about 5,000 J m-3 as determined by the AQUEOUS PHASE EXPRESSION TEST METHOD using the rheometer at room temperature.