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; 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 the rheological solid composition has a salt concentration greater than 1.0 wt %.
3 . The cleaning article of claim 1 , wherein Po is greater than about 0.3.
4 . The cleaning article of claim 1 , wherein Po is greater than about 0.8.
5 . The cleaning article of claim 1 , wherein Ps is greater than about 0.5.
6 . The cleaning article of claim 1 , wherein Ps is greater than about 0.9.
7 . The cleaning article of claim 1 wherein the crystallizing agent is a metal salt.
8 . The cleaning article of claim 7 wherein the metal salt is a sodium salt.
9 . The cleaning article of claim 8 wherein the sodium salt is at least one of sodium stearate, sodium palmitate, sodium myristate.
10 . The cleaning article of claim 9 wherein the sodium salt is at least one of sodium tridecanoate, sodium pentadecanoate, sodium heptadecanoate and sodium nanodecanoate.
11 . The cleaning article of claim 1 wherein the crystallizing agent is present in an amount from about 0.01% to about 10% by weight of the rheological solid composition.
12 . The cleaning article of claim 1 wherein the crystallizing agent is present in an amount from about 0.1% to about 7% by weight of the rheological solid composition.
13 . The cleaning article 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.
14 . The cleaning article of claim 1 , wherein the rheological solid composition comprises at least one nonionic emulsifier.
15 . The cleaning article of claim 1 , wherein the rheological solid composition comprises a polymer.
16 . The cleaning article of claim 1 , wherein the rheological solid composition comprises at least 90% water.
17 . 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 crystallizing agent is a salt of fatty acids containing from about 13 to about 20 carbon atoms.
18 . The cleaning article of claim 17 , wherein the crystalizing agent is a saturated fatty acid from about 13 to 20 carbons.
19 . The cleaning article of claim 17 , wherein the wherein the saturated fatty acid is less than 5%.
20 . The cleaning article of claim 17 , wherein the wherein the saturated fatty acid is stearic acid and comprises at least 90% water.