polymers will break away or shatter allowing
the encapsulated soil to be removed. I feel that
if the encap would just fall off and self shatter
that it may also release the soil back into the
car- pet. Remember we want the encapsulated
soil to stay encapsulated.
Carpets will appear to get even cleaner
over the first few cycles of vacuuming as the
residual soil is released and more light can
penetrate the fiber surface. A very thin layer of
the polymeric material should be left behind
on the fiber surface and will continue to
protect the fiber long after the initial cleaning
and over many cycles of further routine
vacuuming. When the thin nearly monolayer
film is finally removed over time the carpet
will begin to re soil at the same rate as if it
had never been cleaned. Another feature to
look for is a chemistry that will “rewet” and
allow itself to be wet cleaned away during
subsequent cleanings preventing any buildup
of the chemistry.
Micelle
A micelle is an aggregate of surfactant
molecules dispersed in a liqu colloid. A
typical micelle in an aqueous solution forms
an aggrega with the hydrophilic “head”
regions in contact with the surroundi solvent,
sequestering the hydrophobic tail regions
in the micelle center The shape and size of
the micelle is a function of the molecular
geom etry of its surfactant molecules and
the solution conditions such as factant
concentration, temperature, ph and ionic
strength.
Application
When surfactants are present above the
CMC critical micelle concentration they
can act as emulsifiers that will solubilize a
compound normally insoluble in the solution
being used. This oc- curs because the insoluble
species can be incorporated into the micelle
core, which is itself solu- bilized in the bulk
solution by virtue of the head group’s favorable
interactions with the solutions species.The
most common example of this phenomenon
is detergent