Cleaning article with preferential rheological solid composition
A cleaning article for cleaning a target surface is provided that includes a substrate having a first surface and second surface and a rheological solid composition comprising a crystallizing agent and an aqueous phase.
1. A cleaning article for cleaning a target surface, said cleaning article comprising:
a substrate having a first surface and second surface opposed thereto; and
a rheological solid composition having a crystallizing agent and aqueous phase;
wherein the rheological solid composition has a firmness between about 0.1 N to about 50.0 N as determined by the FIRMNESS TEST METHOD;
a thermal stability of about 40° C. to about 95° C. as determined by the THERMAL STABILITY TEST METHOD;
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;
wherein the crystallizing agent is present in an amount from 1% to about 7% by weight of the rheological solid composition;
wherein the crystallizing agent has an Optimal Purity Po≥0.6 as determined by the BLEND TEST METHOD; and
wherein the crystallizing agent is a salt of fatty acids containing from about 13 to about 20 carbon atoms.
2. The cleaning article of claim 1 , wherein said crystallizing agent has an Optimal Purity Po as determined by the BLEND TEST METHOD greater than about 0.8.
3. The cleaning article of claim 1 , wherein said crystallizing agent has a Single Purity Ps as determined by the BLEND TEST METHOD greater than about 0.5.
4. The cleaning article of claim 1 , wherein said crystallizing agent has a Single Purity Ps as determined by the BLEND TEST METHOD greater than about 0.9.
5. The cleaning article of claim 1 , wherein the crystallizing agent is a metal salt.
6. The cleaning article of claim 5 , wherein the metal salt is a sodium salt.
7. The cleaning article of claim 6 , wherein the sodium salt is at least one of sodium stearate, sodium palmitate, sodium myristate.
8. The cleaning article of claim 6 , wherein the sodium salt is at least one of sodium tridecanoate, sodium pentadecanoate, sodium heptadecanoate and sodium nonadecanoate.
9. The cleaning article of claim 1 , wherein the crystallizing agent is present in an amount from 1% to about 5% by weight of the rheological solid composition.
10. The cleaning article of claim 1 , wherein the rheological solid composition comprises at least one nonionic emulsifier.
11. The cleaning article of claim 1 , wherein the rheological solid composition comprises a polymer.
12. The cleaning article of claim 1 , wherein the rheological solid composition comprises at least 90% water.