Note: Descriptions are shown in the official language in which they were submitted.
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WHIPPED FOUNDATION
[0001] Cosmetic compositions, are commercially available in various forms,
such as creams
and mousses, and are well known in the art. These compositions are typically
formulated to
allow easy application and a pleasing texture. One major drawback with these
compositions is
the disruption of the composition surface and subsequent used look when
pressure is applied
to the surface of the composition.
[0002] It is desirable that a composition used as a cosmetic composition,
retain a fresh
unused look of a n untouched surface. Such a composition would be appealing to
the
consumer. It has been found that the combination of PEG/PPG emulsifier,
diluent, emollient,
and water in the present cosmetic composition has an improved texture that
retains a fresh
unused look.
SUMMARY
[0003] The present disclosure is directed to a composition comprising an about
7.5% to
about 11.0% PEG/PPG emulsifier, an at least one diluent, an at least one
emollient,
and < 25 weight % water, wherein the composition deviates from an initial
configuration after application of about 0.5 to about 5 kPa of pressure on the
composition and returns to the initial configuration in less than about 4
hours at room
temperature.
[0004] In one embodiment the composition contains an emollient. The emollient
can
be a straight chain hydrocarbon or a cyclic hydrocarbon. An example of an
emollient
includes a < 100 cst dimethicone.
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[00051 In one embodiment the composition is in the form of a make-up. A makeup
can
be an eye shadow, a concealer, an eyeliner, a make-up for the lips, a make-up
for the
eyelashes, a make-up for the eyebrows, and a make-up for the face.
[00061 In an embodiment of the invention the composition contains an
emulsifier such
as PEG/PPG 19/19 dimethicone. The dimethicone may be present in an amount of
about 60.0 weight %. In another embodiment the emulsifier can be a PEG/PPG
18/18
dimethicone.
[0007] In one embodiment of the invention the composition further comprises a
non-
polar solvent.
[0008] In one embodiment the composition has a stable viscosity. The stable
viscosity is
determined by variation from the initial viscosity. The initial viscosity is
measured at about
170,000 to about 670,000 CPS.
[0009] In one embodiment the composition contains a diluent and the diluent is
for example
an isoparaffin, a cyclopentasiloxane, or a combination of diluents.
[0010] In an embodiment the composition contains water in a concentration of
about 1.0
weight % to about 17.5 weight %. In a preferred embodiment water concentration
is about 17
weight %.
[0011] In one embodiment the composition described herein includes, but is not
limited to, the
following optional ingredients, such as a coloring agent chosen from a dye, a
pigment, natural
colorants, or a combination of a dye, a pigment, and natural colorants.
Additional non-limiting
optional ingredients include, for example, a sunscreen, a fragrance, masking
agent, flavor,
sweeteners, odor absorbents, and methanol.
[0012] In one embodiment the composition is in the form of a make-up. Examples
of make-up
include, but are not limited to, an eye shadow, concealer, and eyeliner, a
make-up for the lips,
a make-up for the eyelashes, a make-up for the eyebrows, and a make-up for the
face. An
example of a make-up for the lips is a lipstick or a lip-gloss.
BRIEF DESCRIPTION OF THE DRAWINGS
[0013] FIG. 1 exemplifies the recovery to the initial configuration of the
claimed composition
over a period less than 4 hours after application of about 0.5 to about 5 kPa
pressure.
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DETAILED DESCRIPTION
[0014] The terms used in this specification generally have their ordinary
meanings in
the art, within the context of the invention, and in the specific context
where each term
is used. Certain terms are discussed below, or elsewhere in the specification,
to
provide additional guidance to the practitioner in describing the compounds,
compositions, and methods of the invention and how to make and use them.
Moreover, it will be appreciated that the same thing can be said in more than
one way.
Consequently, alternative language and synonyms may be used for any one or
more
of the terms discussed herein, nor is any special significance to be placed
upon
whether or not a term is elaborated or discussed herein. The use of examples
anywhere in this specification, including examples of any terms discussed
herein, is
illustrative only, and in no way limits the scope and meaning of the invention
or of any
exemplified term. Likewise, the invention is not limited to the examples
presented.
[0015] The present disclosure is directed to a composition comprising an about
7.5% to
about 11.0% PEG/PPG emulsifier, an at least one diluent, an at least one
emollient,
and < 25 weight % water, wherein the composition deviates from an initial
configuration after application of about 0.5 to about 5 kPa of pressure on the
composition and returns to the initial configuration in less than about 4
hours at room
temperature.
[0016] The compositions of the present invention are uniquely formulated to
provide
not only a stable viscosity over a broad temperature range, but an enhanced
feeling of
softness and silkiness when the composition is applied to the skin. Moreover,
the
compositions are capable of easy and uniform application over the skin. These
enhanced properties are achieved, in large part, by formulating the
compositions with
a specific concentration of PEG/PPG emulsifier, an emollient, a diluent, and
water in a
concentration ratio such that the viscosity remains stable over a broad
temperature
range.
[0017] The term "stable viscosity", as used herein is meant to define a
composition
having a viscosity that does not deviate more than about 20% from an initially
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measured viscosity. Preferably, the stable viscosity does not deviate more
than 10%
from an initially measured viscosity. More preferably, the viscosity does not
deviate
more than 5% from an initially measured viscosity of a composition of the
present
invention.
[0018] For purposes of this invention the initially measured viscosity is in a
range of
about 170,000 to about 670,000 CPS. The viscosity measurement was taken at
standard temperature and pressure.
[0019] When the phrase "at least one" is used it means one or more different
ingredients are used alone or in a combination of ingredients. One of skill in
the art
would know the limit on how many different ingredients can be used to give the
desired effect disclosed herein.
[00201 As used herein, "about" shall generally mean within 20 percent,
preferably
within 10 percent, and more preferably within 5 percent of a given value or
range.
[00211 As used herein, secondary, indicates use of a class of ingredient used
once in
the composition. A secondary emulsifier is an indication that one emulsifier
is already
present in the composition.
[0022] The PEG/PPG emulsifier, as used herein, assists in building a matrix in
the
composition. The PEG/PPG emulsifier is a combination of PEG/PPG and a diluent.
The length of PEG/PPG and the diluent used is determined by the ability of the
PEG/PPG/diluent combination that allows recovery of the composition as defined
herein. The various PEG/PPG emulsifier combinations utilize a variety of
diluents.
PEG/PPG/diluent combinations are found in the Ingredient Database of Personal
Care
Products Council htto://online.personalcarecouncil.org, and are hereby
incorporated
by reference.
[0023] The concentration of PEG/PPG emulsifier present in the compositions are
found in a concentration of about 7.5% to about 11.0%. This concentration is
based
on a PEG/PPG 19/19 dimethicone or a PEG/PPG 18/18 dimethicone. The
concentration will change depending on the PEG/PPG emulsifier diluent
combination
used to obtain a composition that recovers as defined herein.
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[0024] A suitable emollient for use in the present compositions is a cyclic or
straight
chain hydrocarbon, and includes, but is not limited to cyclomethicone, <
100cst
dimethicone, siloxane, cyclopentasiloxane or any combinations thereof. An
emollient
provides a softening, protective or soothing effect on the skin surface and is
generally
considered safe for topical use. It also helps control the rate of evaporation
and the
tackiness of the compositions.
[0025] The pH of the compositions of the present invention may be adjusted by
one or
more pH adjusters and/or chelating agents. For example, sodium hydroxide,
triethanolamine, EDTA salt, or any combinations thereof, are suitable pH
adjusters/chelating agents that may be included in the compositions of the
present
invention.
[0026] An effective amount of a pH adjuster and/or chelating agent is included
to
adjust the pH of the final composition to about 3 to about 9. Preferably, the
pH is
adjusted to about 5 to about 8 and more preferably about 6 to about 7.
[0027] One or more humectants may be used in the compositions of the present
invention. Suitable humectants include, but are not limited to, glycerin,
pentylene
glycol, hexylene glycol, propylene glycol, butylene glycol, sorbitol, or any
combinations
thereof. One or more humectants may be included in the compositions of the
present
invention in an amount about 0.1 wt. % to about 15 wt. % of the total weight
of the
composition. Preferably, humectant is present in an amount about 1 wt. % to
about 5
wt. % of the total weight of the composition.
1100281 Another component that may be used in the compositions of the present
invention is a film former. The film former is a hydrophobic material that
imparts film
forming and waterproofing characteristics to the emulsion. Suitable film
former for use
in the compositions of the present invention include, but is not limited to,
hydrogenated oils and esters, synthetic wax, natural wax, polypropylene,
polyurethane, hydrogenated oils and esters, acrylates/acrylamide copolymer,
acrylates copolymer, polyethylene,
VP/dimethiconylacrylate/polycarbamylpolyglycol
ester, butylated PVP, PVP/hexadecene copolymer, octadecene/MA copolymer,
PVP/eicosene copolymer, tricontanyl PVP, Brassica Campestris/Aleuritis Fordi
Oil
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copolymer, decamethyl cyclopentasiloxane (and) trimethylsiloxysilicate, or any
combinations thereof. One or more film formers may be present in the
compositions
of the present invention in an amount about 0.1 wt. % to about 5 wt. % of the
total
weight of the composition. Preferably, the one or more film formers or
waterproofing
agents is present in the compositions of the present invention in an amount
about 1
wt. % to about 3 wt. % of the total weight of the composition.
[0029] One or more preservatives may be included in the compositions of the
present
invention. The preservative protects the compositions from microbial
contamination
and/or oxidation. As such, the preservative can include an antioxidant.
Preservatives
can include but are not limited to, phenoxyethanol, methylparaben,
ethylparaben,
propylparaben, isobutylparaben and butylparaben, potassium sorbate, sorbic
acid,
ethyl hexyl glycerin, diazolidinyl urea, iodopropynyl butylcarbamate,
chloromethylisotiazolinone, methylisothiazolinone, vitamin E and its
derivatives
including vitamin E acetate, vitamin C, butylated hydroxytoluene,
butylparaben,
ethylparaben, methylparaben, propylparaben, isobutylparaben, phenoxyethanol,
or
any combinations thereof, may be included as a preservative in a composition
of the
present invention.
[00301 About 0.01 wt. % to about 2 wt. % of preservative may be included in a
composition of the present invention. Preferably, one or more preservatives
total
about 0.5 wt. % to about 1.5 wt. % of the total weight of the composition.
[0031] The compositions of the present invention may also have other optional
additives including bio-active (functional) ingredients. For instance, one or
more plant
extracts, fruit extracts, vegetable extracts, algae extracts, sugars,
polysaccharides,
lipids, proteins, peptides, aminoacids, aminoacid derivatives, absorbents,
salicylic
acid, alpha and beta hydroxy acids, oil and water soluble vitamins including
vitamins
A, C, and E and their derivatives, or any combinations thereof, may be
included in the
compositions. When present, the optional additives may be included in the
present
composition in an amount about 0.001 wt. % to about 10 wt. %, based on the
total
weight of the composition.
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[0032] In one embodiment, the composition may also comprise at least one
coloring
agent chosen from pigments, natural colorant, and dyes or a combination of
pigments,
natural colorants, and dyes. As used herein, pigments refer to colored solid
particles
at 25 C. that are not soluble in the liquid fatty phase. Pigments may include
nacreous
pigments (i.e., nacres), and pearling agents.
[0033] The at least one coloring agent may be chosen, for example, in order to
obtain
make-up compositions which give good coverage, in other words, which do not
leave
a significant amount of the at least one keratin material to which it is
applied showing
through. The coloring agent may also reduce the sticky feel of the
compositions.
[0034] Representative oil soluble dyes which may be used include, but are not
limited
to, Sudan red, DC Red 17, DC Green 6, I3-carotene, soybean oil, Sudan brown,
DC
Yellow 11, DC Violet 2, DC Orange 5, annatto, and quinoline yellow and natural
oil
soluble dyes. The liposoluble dyes, when present, may have a concentration
ranging
up to 20% by weight of the total weight of the composition, such as from 0.01%
to 6%.
100351 Representative water soluble dyes which may be used include, but are
not
limited to DC red 33, red 22, red 28, blue 1, yellow 5, yellow 6, red 40,
yellow 10,
green 3, green 5, green 8 and natural water soluble dyes. The water soluble
dyes,
when present, may have a concentration ranging up to 20% by weight of the
total
weight of the composition, such as from 0.01% to 6%.
10036] In one aspect, the pigments may be chosen from white, colored, mineral,
organic, coated and uncoated pigments and encapsulated pigments.
Representative
examples of mineral pigments include, but are not limited to, titanium
dioxide, which
may be optionally surface-treated, zirconium oxide, zinc oxide, cerium oxide,
iron
oxides, chromium oxides, manganese violet, ultramarine blue, chromium hydrate
and
ferric blue. Representative examples of organic pigments include, but are not
limited
to, carbon black, pigments of D & C type, and lakes based on cochineal
carmine,
barium, strontium, calcium and aluminum. If present, the pigments may have a
concentration ranging up to 40% by weight of the total weight of the
composition, and
for example from 1% to 35%, and further such as from 2% to 25%. In one
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embodiment comprising a face powder product, the pigments, including nacreous
pigments, may, for example, represent up to 50% by weight of the composition.
[0037] In one aspect, the nacreous pigments (or nacres) may be chosen from,
but are
not limited to, white nacreous pigments such as mica coated with titanium or
with
bismuth oxychloride; colored nacreous pigments such as titanium mica with iron
oxides, titanium mica with ferric blue or chromium oxide, and titanium mica
with an
organic pigment chosen from those mentioned above; and nacreous pigments based
on bismuth oxychloride. The nacres, if present, may have a concentration
ranging up
to 30% by weight of the total weight of the composition, such as from 0.1% to
20%.
[0038] Pigments also include a blend of iron oxides encapsulated with a
material such
as a polymer, a pigment, a wax, a sugar derivative, or a combination of the
proceeding material. Encapsulation of pigments are disclosed in patent
application
US 20110229536 which processes and definitions are hereby incorporated by
reference.
[0039] In one aspect, the composition may include fillers including, but not
limited to,
talc, kaolin, silica, barium sulfate, aluminum hydroxide, calcium silicate,
silica, silicone
powders, and acrylic acid copolymers.
[00401 In addition, the compositions may include one or more of the following
components: sunscreen agent, SPF booster, secondary emulsifier, emollient,
moisturizer, humectant, film former/waterproofing agent, bio-active
(functional)
ingredient, fragrance, or any combinations thereof.
[0041] It is, of course, understood that the present cosmetic composition may
further
include optional ingredients generally known by one skilled the art to be
suitable for
use in a cosmetic composition. Lists of carriers and optional ingredients,
which are
well known in the art, are disclosed, for example, in "Cosmetics: Science and
Technology," edited by M. S. Balsam and E. Sagarin, 2nd Edition, 1972, Wiley
Pub.
Co.; "The Chemistry and Manufacture of Cosmetics" by M. G. DeNavasse; and
"Harry's Cosmeticology," J. B. Wilkinson et al., 7th Edition, 1982, Chem. Pub.
Co.; the
disclosures of each of the above being incorporated herein by reference.
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[0042] The composition may be in a variety of forms of make-up composition
applied
to keratinous surfaces for the purpose of coloring, conditioning, or otherwise
beautifying the keratinous surface. Make-up is also known as color cosmetics
and
includes products such as eye shadow, blush, concealer, lipstick, lip gloss,
or eyeliner
compositions in a solid, or stick form.
[0043] The examples below illustrate exemplary formulations of the cosmetic
composition. They are not intended as a limitation upon the scope of the
present
application.
Example 1
[0044] Compositions tested contained PEG/PPG emulsifier, diluent, emollient,
and
water.
[0045] The variation of configuration from an initial configuration having a
bin width of
about 0.15 to a deviation from the initial configuration to a bin width of
about 0.9 after
application of about 0,5 kPa to about 5 kPa of pressure to the composition is
depicted
in Figure 1.
[0046] Bin width is a measure of pixel light intensity variation (Lmax and
Lmin). Lmax
represents light intensity value for the lightest pixel in a photograph. Lin
represents
the light intensity value for the darkest pixel in a photograph. For 8-bit
images, the light
intensity values can vary from 0 to 255. The bin width for the image would be
maximum lightness variation (Lmax Lmin) divided by number of bins (256 for an
8-bit
gray scale image) according to the following equation:
¨
Bin = __ Lt1u7x Lr
\Number of B ins) graY scaTff 256
[0047] The experiment was repeated with samples having various concentration
ranges of PEG/PPG emulsifier, diluent, emollient, and water with a range in
pressure
from about 0.5 to about 5 KPa. The initial bin width was 0.05 to about 0.15
range.
The disturbed surface bin width was 0.8 to 1.0 range. Compositions returned to
the
initial bin width (configuration) within 2 to 4 hours resting undisturbed. The
bin width
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for the image would be maximum lightness variation ([max - Lmin) divided by
number of
bins (256 for a 8-bit gray scale image) according to the above equation.
[00481 In an example a composition in an initial configuration was exposed to
a
defused light source. An image was taken of the composition at a forty-five
degree
angle to the surface of the composition. The surface of the composition was
disturbed
by application of about 0.5 to about 5 kPa of pressure with the finger or any
instrument
or applicator. Without change in the light source, the composition position,
or camera
position, an image was taken of the surface of the composition that deviates
from the
initial configuration (reference image). The composition was allowed to sit
undisturbed and images were taken every fifteen minutes until the composition
returned to the initial configuration. The time it took to return to the
initial configuration
after application of pressure to the surface was about 4 hours. The change in
surface
was measured by subtracting the reference image from the image taken at any
given
time. The images were converted into an 8-bit gray scale image using
http://rsbweb.nih.qov/ii/ software. The disturbed areas caused by the finger
(or
applicator) in each subtraction image were individually analyzed using Image J
software (http://rsbweb.nih.qov/ij/) and bin width values were measured. The
initial
configuration had a bin width of 0.15. The disturbed surface (surface that
deviates
from an initial configuration) had a bin width of 0.9. After four hours the
composition
returned to a bin width value of 0.15.
1100491 The amount of average pressure exerted on a cosmetic composition while
touching it with a finger (application of pressure), was measured as follows:
a. The cosmetic composition was placed on a scale. A volunteer touched the
composition surface lightly with an index finger.
b. The surface area of contact by the finger was calculated using the Image J
software (http://rsbweb.nih.qov/iii). The distances for the measurements were
calibrated by a ruler in the picture.
c. The force (a) / surface area (b) = pressure.
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d. The aforementioned procedure was repeated at least 5 times for each person
and in total 6 people participated in this part of study. The pressure values
ranged from 0.6 to 4.8 KPa.
Example 2
e Raw
Exp Exp Exp Exp Exp Exp Exp Exp Exp Exp Exp
q Material 1 2.......3 4 5 6 7 8 9 10 11
PEG/PP
G 19/19
1
Dimethi 10.5 10.5 10.5 10.5 10.5 10.5 10.5 10.5 10.5 10.5 10.5
cone* 9% 9% 9% 9% 9% 9% 9% 9% 9% 9% 9%
C 13-16
lsoparaf
fin, C10-
1
13
Isoparaf 10.5 10.5 10.5 10.5 10.5 10.5 10.5 10.5 10.5 10.5 10.5
fin* 9%
9% 9% 9% 9% 9% 9% 9% 9% 9% 9%
1.8 cst
2 dimethic 77.8 73.8 68.8 63.8 58.8 53.8 48.8 38.8 28.8 61.7 61.7
one* 2%
2% 2% 2% 2% 2% 2% 2% 2% 2% 2%
1.00 5.00 10.0 15.0 20.0 25.0 30.0 40.0 50.0
3
Water % % 0% 0% 0% 0% 0% 0% 0% =
:2-;i1 17.1 .
3 ,õ
e ulycol : : 0%
= = = s
17.1
3
Glycerin I 0%
100. 100. 100. 100. 100. 100. 100. 100. 100. 100. 100.
Total 00% 00% 00% 00% 00% 00% 00% 00% 00% 00% 00%
Viscosit 7,00 25,6 47,0 63,0 82,0 103, 137, 184, 570,
y (cps) 0 00 00 00 00 000 000 000 000
[0050] Sequence 1 was added to Sequence 2 in a beaker and heated to 70 C,
while
mixing with a propeller. Sequence 3 water was added to beaker slowly while
mixing.
Batch was mixed for 2 minutes before dropping into jars.
200g batches were
prepared in this manner.
[0051] Exp 1: Batch did not seem to increase in viscosity when water was
added,
and remained clear during mixing. Batch formed a clear, slightly viscous
liquid with a
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very soft elastic gel-like structure after cooling. 24 Hour viscosity
RVTA@5rpm 17.5,
7,000 cps.
100521 Exp2: Batch increased in viscosity slightly when water was added, and
became translucent during mixing. Batch formed a slightly translucent very
soft
recovering elastic gel structure after cooling. 24 Hour viscosity RVTB@5rpm
32.0,
25,600 cps.
[0053] Exp 3: Batch increased in viscosity slightly when water was added, and
became opaque during mixing. Batch formed a slightly soft recovering elastic
gel
structure after Gaoling. 24 Hour viscosity RVTC@5rpm 23.5, 47,000 cps.
[0054] Exp 4: Batch increased in viscosity slightly when water was added, and
became opaque during mixing. Batch formed a slightly soft recovering gel
structure
after cooling. 24 Hour viscosity RVTC@5rpm 31.5 , 63,000 cps.
[0055] Exp 5: Batch increased in viscosity when water was added, and became
opaque during mixing. Batch formed an elastic recovering gel structure after
cooling.
24 Hour viscosity RVTC@5rpm 41.0, 82,000cps.
[0056] Exp 6: Batch increased in viscosity when water was added, and became
opaque during mixing. Batch formed a more firm elastic gel structure after
cooling,
that does not seem to recover as quickly after disturbance. 24 Hour viscosity
RVIC@5rpm 51.5, 103,000cps.
[0057] Exp 7: Batch increased in viscosity when water was added, and became
opaque during mixing. Batch formed a firm elastic gel structure after cooling,
that
does not seem to recover quickly after disturbance. 24 Hour viscosity
RVTC@5rpm
68.5, 137,000cps.
[0058] Exp 8: Batch increased in viscosity when water was added, and became
opaque during mixing. Batch formed a firm elastic gel structure after cooling,
that doe
s not seem to recover after disturbance, and breaks apart easily. 24 Hour
viscosity
RVTD@5rpm 46.0, 184,000cps.
100591 Exp 9: Batch increased in viscosity when water was added, and became
opaque during mixing. Batch formed a rigid gel structure after cooling, that
doe s not
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seem to recover after disturbance, and breaks apart very easily. 24 Hour
viscosity
RVTE@5rpm 57.0, 570,000cps.
[0060] Exp 10: Batch did not increase in viscosity when butylene glycol was
added,
became opaque during mixing, and did not form a gel after cooling.
[00611 Exp 11: Batch did not increase in viscosity when glycerin was added,
became translucent during mixing, and did not form a gel after cooling.
Example 3
Seq Raw Material Exp 1 Exp 2 Exp 3 Exp 4 Exp 5 Exp 6
Exp 7 Exp 8 Exp 9 Exp 16
PEG/PPG 19/19
' Dimethiconew
10.59% 1059% 10,59% 10.59% 10.59% 10.59% 10.59% 10.59% 1059% 10.599
1 C 13-16 Isoparaffin, C10-13
Isoparaffin* 10 59% 10.59%
10.59% 10.59% ,_10.5 9% 10.5,;!
10.59% 10.59% 10.59% , . .
;.: .
2 1,8 cst dimethicone 61.72% f = [ [[ [ = -[. [ . ,
.
2 5 cst dimethicone
2 10 cst dimethicone
2 100 cst dimethicone
2 Cyclopentasiloxane
2 Isodocecane
2
Neopentyl G[ycol
= .
[. . . .
:=== .
[ .
Piheptanoate 61.72%
2 Isotridecyl Isononanoate 7
2
61.72,%.
61,72
Pentaerythrityl
Tetraisostearate
= !ie[[E
2 TrIisostearyl C ,t
V
itrate [ [ == = [ = :-=?5,
. =
3 Water 17.10%-- 17.10% 17.10% 17,10% 17,10%
17.10% 17.10% 17,10% 17.10
Total 100.30% 100,00% 100.00% 100,00019/00-
% 100.00% 100,00% 100,00% 100,00% 100.005
1 0p
* BY 25-337 from Dow Corning. PEG/PPG 19/19 dimethicone, C 13-16 Isoparaff ,
13Isoparaffin30
100621 Sequence 1 was added to Sequence 2 in a beaker and heated to 70 C,
while mixing with a propeller. Sequence 3 water was added to beaker slowly
while mixing. Batch was mixed for 2 minutes before dropping into jars. 200g
batches were prepared in this manner.
100631 EXP 1: Seq 1 and Seq 2 appeared clear when mixed together. When
water was added batch became opaque and thickened. Batch thinned after 2
minutes of mixing. Batch had a recovering elastic gel structure after cooling.
24
hour viscosity RVTC@5rpm DR 35.5, 71,000cps.
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[0064] EXP 2: Seq 1 and Seq 2 appeared clear when mixed together. When
water was added batch became opaque and thickened. Batch thinned out after 2
minutes of mixing. Batch had a recovering gel structure after cooling. 24 hour
viscosity RVIC@Srpm DR 28.0, 56,000cps.
[0065] EXP 3: Seq 1 and Seq 2 appeared clear when mixed together. When
water was added batch became opaque and thickened. Batch thinned out after 2
minutes of mixing. Batch had a slightly soft recovering gel structure. 24 hour
viscosity RVTC@5rpm DR 20.5, 41,000cps.
[0066] EXP 4: Seq 1 and Seq 2 became cloudy when mixed together. Batch did
not thicken when water was added. Batch did not form a recovering elastic gel
structure when cooled and began to separate soon after dropping.
[0067] EXP 5: Seq 1 and Seq 2 appeared clear when mixed together. When
water was added batch became opaque and very viscous. Batch thinned slightly
while mixing. Batch was more viscous than the other batches when dropped,
and formed a more firm recovering gel structure than the other batches. 24
hour
viscosity: RVTC@5rpm DR 60.0, 120,000cps.
[0068] EXP 6: Seq 1 and Seq 2 appeared clear while mixing, became only
slightly translucent when water was added, but became opaque while mixing.
Batch was thin when dropped, but did form a soft recovering elastic gel
structure
when cooled. 24 hour viscosity: RVTC@5rpm DR 17, 34,000cps.
[0069] EXP 7: Seq 1 ,and Seq 2 appeared clear while mixing, became
opaque when water was added, and became foamy while mixing. Batch did not
for any gel structure, and was liquid.
[0070] EXP 8: Seq 1 and Seq 2 appeared clear while mixing. Became opaque
when water was added, and became foamy while mixing. Batch formed a loose
cream, and began separating after less than 24 hours.
[00711 EXP 9: Seq 1 and Seq 2 became cloudy when mixed together.
Batch became opaque when water was added and took on a grainy appearance
14
CA 02860587 2014-07-02
WO 2013/103643 PCT/US2013/020028
while mixing. After dropping batch solids separated out. No gel structure was
formed.
[0072] EXP 10: Seq 1 and Seq 2 became cloudy when mixed together. Batch
became opaque when water was added and took on a grainy
appearance
while mixing. After cooling, batch separated into 2 layers, the top layer was
a
white, firm, elastic gel. A uniform gel structure was not formed.
[0073] Example 4
Use of a different diluent in this system
Seq Raw Material Exp 1
1 PEG/PPG 19/19 Dimethicone* 10.59%
1 Cyclopentasiloxane 10.59%
2 1.8 cst dimethicone 61.72%
3 Water 17.10%
Total 100.00%
* BY 11-030 from Dow Corning: Cyclopentasiloxane, PEG/PPG 19/19
dimethicone
