WO2016094812A1 - Composition de tensioactif liquide comprenant un mélange de 2 tensioactifs non ioniques - Google Patents

Composition de tensioactif liquide comprenant un mélange de 2 tensioactifs non ioniques Download PDF

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WO2016094812A1
WO2016094812A1 PCT/US2015/065271 US2015065271W WO2016094812A1 WO 2016094812 A1 WO2016094812 A1 WO 2016094812A1 US 2015065271 W US2015065271 W US 2015065271W WO 2016094812 A1 WO2016094812 A1 WO 2016094812A1
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surfactant composition
liquid surfactant
gel breaker
liquid
composition
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Elvira Stesikova
Ryan WAIER
Gregory W. Drewno
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BASF SE
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BASF SE
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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/825—Mixtures of compounds all of which are non-ionic
    • C11D1/8255—Mixtures of compounds all of which are non-ionic containing a combination of compounds differently alcoxylised or with differently alkylated chains

Definitions

  • the disclosure generally relates to a liquid surfactant composition. More specifically, this disclosure relates to a liquid surfactant composition that includes an alkyl alkoxylate surfactant and a particular gel-breaker.
  • a liquid form of a surfactant is typically typical over a solid form by most formulation chemists.
  • the liquid form allows ease of handling, control in dosage and convenience of testing.
  • a natural state of non-ionic surfactants such as alkyl alkoxylates
  • aqueous solutions offer an alternative way to liquidize the surfactant.
  • this approach comes with its own set of challenges. For example, aqueous solutions having high surfactant concentrations are difficult to formulate but are required in order to optimize the economy of logistics. Freeze-thaw stability is another issue that typically must be addressed for many aqueous systems, especially those with high solids contents.
  • Gel breakers are compounds that prevent or minimize gel formation and maintain a solution's liquid form in a wide range of compositions and temperatures. Usually, gel breakers are expensive additives that have no other value in a formulation. Therefore, there remains an opportunity for improvement.
  • Figure 1 is a line graph showing approximate viscosity as a function of concentration %/percent solids of various surfactant compositions set forth in the Examples.
  • This disclosure provides a liquid surfactant composition having a solids content of from 30 to 70 weight percent.
  • the surfactant composition includes an alkyl alkoxyiate surfactant, a tri-block gel breaker, and water.
  • the alkyl alkoxvlate surfactant has the formula R-(AO)x wherein R is an alkyl group having 10 to 20 atoms, wherein AO represents at least one alkyiene oxide, and wherein x represents a number of moles of alkyiene oxide and is from 20 to 50.
  • the tri-block gel breaker has the formula (EO) a (PO)b(EO)c wherein each EO represents ethylene oxide and PO represents propylene oxide, each of a and c represent a number of moles of ethylene oxide, b represents a number of moles of propylene oxide, each of a and c is from 9 to 12 and b is from 13 to 15.
  • the alkyl alkoxyiate surfactant and the tri- block gel breaker are miscible in the water.
  • the gel breaker minimizes or prevents gel formulation and typically also acts as a surfactant itself, thereby further enhancing the performance of the alkyl alkoxyiate surfactant, even at high solids contents.
  • liquid surfactant composition is not particularly limited and may be used in any industry.
  • the liquid surfactant composition may be utilized in emulsion polymerization processes.
  • the liquid surfactant composition is used in latex paints and coatings, adhesives, and/or industrial coatings, and/or in emulsion polymerization processes involving the same.
  • the liquid surfactant composition typically resists gelling.
  • the liquid surfactant composition typically tends to be a liquid and resists forming into a solid or semi-solid gel, as would be understood in the art.
  • the terminology "liquid” typically describes that the liquid surfactant composition is a liquid at a temperature of 1 to 3, 1 to 5, 1 to 10, 1 to 15, 1 to 20, 1 to 25, or 1 to 30, °C.
  • the liquid surfactant composition is determined to be a "liquid” and not a “gel” if it is pourable at room temperature, e.g. about 25°C. These determinations may be made using a pour point measurement according to ASTM D97. In other embodiments, all values and ranges of values between and including the aforementioned values are herein expressly contemplated.
  • the liquid surfactant composition has a solids content of from 30 to 70 weight percent.
  • the liquid surfactant composition typically includes, is, consists essentially of, or consists of an alkyl alkoxylate surfactant, a gel breaker, and water.
  • the gel breaker is more particularly described below.
  • solids content may alternatively be described as a "percent active” and describes the weight percent of the alkyl alkoxylate surfactant and the gel breaker in the liquid surfactant composition.
  • the liquid surfactant composition includes from 30 to 70 weight percent of the alkyl alkoxylate surfactant and the gel breaker together based on a total weight of the liquid surfactant composition.
  • the liquid surfactant composition includes from 30 to 65, from 35 to 65, from 40 to 60, from 45 to 55, from 45 to 50, from 50 to 55, from 40 to 65, from 45 to 65, from 50 to 65, from 55 to 65, or from 60 to 65, weight percent of the alkyl alkoxylate surfactant and the gel breaker based on a total weight of the liquid surfactant composition, in one embodiment, the solids content is further defined as 65 wt % ⁇ 3 wt %. In other embodiments, all values and ranges of values between and including the aforementioned values are herein expressly contemplated. Any one of the aforementioned values may vary by ⁇ 1, 2, 3, 4, or 5, wt %.
  • the alkyl alkoxylate surfactant itself is present in an amount of from about 1 to about 69, from 5 to 65, from 10 to 60, from 15 to 55, from 15 to 25, from 20 to 50, from 25 to 45, from 30 to 35, from 45 to 55, from 40 to 60, from 45 to 50, or from 50 to 55, weight percent based on a total weight of the liquid surfactant composition so long as the total weight percent of the alkyl alkoxylate surfactant and the gel breaker is from 30 to 80 weight percent based on a total weight of the liquid surfactant composition, [0012] Similarly, in other embodiments, the gel breaker is present in an amount of from about 1 to about 69, from 5 to 65, from 10 to 60, from 15 to 55, from 20 to 50, from 25 to 45, from 30 to 35, from 45 to 55, from 40 to 60, from 45 to 50, from 50 to 55, from 15 to 25, from 15 to 30, from 10 to 30, from 10 to 25, or from 10 to 20, weight percent
  • the weight ratio of the alkyl alkoxylate surfactant to the gel breaker is from 2: 1 to 4: 1 , from 2.25: 1 to 3.7: 1, from 2.25: 1 to 3 : 1 , from 2.25: 1 to 2.75: 1.
  • the water is typically present in an amount the balances the solids content of the liquid surfactant composition, e.g. in an amount of from 70 to 30 weight percent.
  • the water is not particularly limited and may be any kind, e.g. purified or unpurified. In other embodiments, all values and ranges of values between and including the aforementioned values are herein expressly contemplated.
  • the liquid surfactant composition typically includes, is, consists essentially of, or consists of, the alkyl alkoxylate surfactant, the gel breaker, and water.
  • the terminology "consists essentially of describes that the liquid surfactant composition is free of other components, such as reactive components (e.g.
  • the liquid surfactant composition may consist essentially of, consist of, or be, two or more alkyl alkoxylate surfactants, the water, and the gel breaker, or the alkyl alkoxylate surfactant, the water, and two or more gel breakers, as each are described herein.
  • the liquid surfactant composition is typically free of the aforementioned other components such as the reactive components, other surfactants (not described herein) and additional additives.
  • the liquid surfactant composition complies with or passes regulations set forth in one or more of 21 CFR ⁇ 176.170, 176.180; 177.2260; and/or 175.105 and/or BFR 13/16.
  • the liquid surfactant composition has a cloud point of from 60 to 80, from 65 to 75, from 70 to 75, °C.
  • the liquid surfactant composition has a cloud point of about 73°C ⁇ 5°C and/or a melting/pour point of 7°C ⁇ 3°C, e.g. when diluted to a 1 wt% solution in water.
  • ail values and ranges of values between and including the aforementioned values are herein expressly contemplated.
  • the alkyl alkoxylate surfactant may be a single alkyl alkoxylate surfactant or a combination of two or more alkyl alkoxylate surfactants.
  • the alkyl alkoxylate surfactant has the formula R-(AO) x wherein R is an alkyl group having 10 to 20 atoms, wherein AO represents at least one alkylene oxide, and wherein x represents a number of moles of alkylene oxide and is from 20 to 50.
  • R is an alkyl group having 10 to 20 atoms, wherein AO represents at least one alkylene oxide, and wherein x represents a number of moles of alkylene oxide and is from 20 to 50.
  • aikyl aikoxylate surfactants of this formula may be utilized herein,
  • R can be an alkyl group having 10, 1 1, 12, 13, 14, 1 5, 16, 1 7, 18, 19, or 20 carbon atoms.
  • R may include or be a mixture of alkyl groups with such a number of carbon atoms.
  • the alkyl group can be saturated or unsaturated and may be cyclic, branched, or linear.
  • R is a Ci 2 -C 14 alkyl group and may be, for example, derived from lauryl alcohol. In such an embodiment, there may be carbon chains of varying length, e.g. from 6 to 18 carbons. However, these are typically present in very small amounts.
  • the at least one alkylene oxide may be further defined as ethylene oxide, propylene oxide, butyl ene oxide, etc.
  • AO is ethylene oxide, propylene oxide, or a combination of ethylene oxide and propylene oxide.
  • the AO group may be bonded to the R group as is understood in the art.
  • the terminology x represents a number of moles of the alkylene oxide that are bonded to the R group. In various embodiments, x is from 20 to 50, from 25 to 45, from 30 to 40, or from 35 to 40.
  • x is from 25 to 35, from 30 to 35, from 25 to 30, or from 28 to 32, in other embodiments, all values and ranges of values between and including the aforementioned values are herein expressly contemplated.
  • the alkyl aikoxylate surfactant is commercially available from BASF Corporation under the trade name of Disponil*. Gel Breaker:
  • the gel breaker may be a single gel breaker or a combination of two or more gel breakers.
  • the gel breaker is typically chosen from one of the three set forth below but may include a combination of two of those below or all three of those below:
  • a gel breaker composition that is a combination of; (B 1) a first gel breaker having the formula;
  • R'-(AO)e wherein R' is a linear alky! group having 10 to 16 atoms, wherein AO represents at least one alkylene oxide, and wherein e represents a number of moles of alkylene oxide and is from 5 to 25, and
  • a starfactant gel breaker that is the reaction product of epichlorohydrin and R (EO)n(PO)mOH, wherein R 3 is a substituted or unsubstituted, saturated or unsaturated aliphatic group, substituted alkyl group, or alkenyl group, having from 4 to 22 carbon atoms; wherein n is a number from 0 to 50 and m is a number from 0 to 10; and wherein the mole ratio of epichlorohydrin to R i (EO) n (PO)mOH is from about 0.60: 1 to about 2: 1.
  • the weight average molecular weight of the gel breaker is about 1,900 g/mol ⁇ 200, g/moi.
  • the polydispersity of the alkyl alkoxylate surfactant and the gel breaker i.e., the differences in the weight average molecular weight of the aikyi alkoxylate surfactant and the gel breaker is sufficient to disrupt an ability of the liquid surfactant composition to form a gel,
  • the alkyl alkoxylate surfactant and the tri-block gel breaker, the gel breaker composition (e.g. the first and second gel breakers) and/or the starfactant gel breaker are miscible in the water. Miscibility is typically determined optically or visually.
  • the gel breaker composition e.g. the first and second gel breakers
  • the starfactant gel breaker the resulting liquid is typically clear or approximately clear, as determined visually by one of skill in the art.
  • the terminology "miscible" may be used to describe that a mixture of the aforementioned compounds is determined to be homogeneous, as would be understood by one of skill in the art.
  • this gel breaker has the formula (EO) a (PO)b(EO)c.
  • each EO represents ethylene oxide and PO represents propylene oxide.
  • each of a and c independently represent a number of moles of ethylene oxide and b represents a number of moles of propylene oxide.
  • each of a and c is independently from 9 to 12 and b is from 13 to 15.
  • each of a and/or c can be 9, 10, 11, or 12.
  • b can be 13, 14, or 15.
  • a and c can be the same or different from each other and each may independently be the same or different from b.
  • the total weight average molecular weight of the (EO) a and (EO) c blocks is the same as the weight average molecular weight of the (PO)b block ⁇ 5%. In another embodiment, the total weight average molecular weight of the tri-block gel breaker is 2,000 ⁇ 100, g/mol.
  • This tri-block gel breaker is typically present in an amount as generally described above as related to the generically described "gel breaker" above. In one embodiment, the tri-block gel breaker is present in an amount of from 19.5 ⁇ 1 weight percent based on a total weight of the liquid surfactant composition. In other embodiments, ail values and ranges of values between and including the aforementioned values are herein expressly contemplated.
  • Gel Breaker Composition :
  • this composition can be, include, consist essentially of, or consist of, two individual gel breakers (B l) and (B2), Typically, the gel breaker composition is 95, 96, 97, 98, 99, or 100% by weight of (Bl) and (B2). [0025] (B l) and (B2) are not particularly limited in their weight amounts relative to the gel breaker composition itself. In various embodiments, (B l) is present in an amount of from 15 to 35, from 20 to 30, or from 25 to 30, weight percent based on a total weight of the gel breaker composition.
  • (B2) is present in an amount of from 65 to 85, from 70 to 80, or from 75 to 80, weight percent based on a total weight of the gel breaker composition.
  • each of the (B l) and/or (B2) is independently present in an amount of from 1 to 20, 2 to 19, 3 to 18, 4 to 17, 5 to 16, 6 to 15, 7 to 14, 8 to 13, 9 to 12, 10 to 1 1, 1 to 10, 1 to 5, 5 to 10, 10 to 15, 15 to 20, 4 to 6, or 13.5 to 15.5, weight percent based on a total weight of the liquid surfactant composition.
  • all values and ranges of values between and including the aforementioned values are herein expressly contemplated,
  • (Bl) is the first gel breaker and has the formula R'-(AO) e wherein R' is a linear alkyl group having 10 to 16 atoms.
  • the linear alkyl group can have 10, 1 1, 12, 13, 14, 15, or 16 carbon atoms, or any range thereof.
  • the linear alkyl group is a C12-C1 alkyl group and may be, for example, derived from lauryl alcohol. In such an embodiment, there may be carbon chains of varying length, e.g. from 6 to 18 carbons. However, these are typically present in very small amounts.
  • AO represents at least one alkyl ene oxide, e.g. ethylene oxide, propylene oxide, butylene oxide, etc.
  • AO can represent a single alkyl ene oxide or more than one, e.g. a mixture, of alkylene oxides, e.g. ethylene oxide and propylene oxide.
  • e represents a number of moles of alkylene oxide and is from 15 to 25, e.g. 18 to 22. In other words, e can be 15, 16, 17, 18, 19, 20, 21 , 22, 23, 24, or 25, or any range thereof. In other embodiments, all values and ranges of values between and including the aforementioned values are herein expressly contemplated.
  • (B2) is the second gel breaker and has the formula R"-(AO)f wherein R" is a nonlinear aiky! group having 13 carbon atoms. Typically, this non-linear alkyl group is a tridecyl alcohol group or any isomer thereof.
  • AO represents at least one alkylene oxide, e.g. ethylene oxide, propylene oxide, butvlene oxide, etc.
  • AO can represent a single alkylene oxide or more than one, e.g. a mixture, of alkylene oxides, e.g. ethylene oxide and propylene oxide.
  • f represents a number of moles of alkylene oxide and is from 5 to 15, e.g. 8 to 12. In other words, f can be 5, 6, 7, 8, 9, 10, 1 , 12, 13, 14, or 15, or any range thereof. In other embodiments, all values and ranges of values between and including the aforementioned values are herein expressly contemplated,
  • non-linear can be further described as branched.
  • R can have varying degrees of branching, e.g. 1, 2, 3, or 4.
  • the degree of branching may be actual or averaged.
  • numerous R" groups may be present each having a different degree of branching of 1, 2, 3, or 4 such that an average degree of branching is anywhere from 1 ,0 to 4.0, e.g. 3 to 4, or any value or range of values therebetween, to the tenth decimal place, e.g. 3. 1 to 3.9. All such ranges between 1.0 and 4.0 are expressly contemplated herein in various non-limiting embodiments.
  • degree of branching is understood in the art and is typically calculated by H-NMR analysis.
  • the degree of branching is based on an isomeric mixture of highly branched synthetic alcohols, such as C13 synthetic alcohols.
  • R" has the structure set forth below wherein structure (1) has a degree of branching of 1; structure (2) has a degree of branching of 2; structure (3) has a degree of branching of 3; and structure (4) has a degree of branching of 4:
  • R" has an average degree of branching of from 3 to 4.
  • This gel breaker composition is typically present in an amount as generally described above as related to the generic-ally described "gel breaker" above.
  • the gel breaker composition may be present in the gel breaker composition is present in an amount of from 18.5 to 20.5 parts by weight per 100 parts by weight of said liquid surfactant composition. In other embodiments, all values and ranges of values between and including the aforementioned values are herein expressly contemplated.
  • the starfactant gel breaker is the reaction product of epichlorohydrin and
  • R 3 (EO)a(PO)mOH is a substituted or unsubstituted, saturated or unsaturated aliphatic group, substituted alkyl group, or alkenyl group, having from 4 to 22 carbon atoms or any value or range of values therebetween.
  • n i s a number from 0 to 50 and m is a number from 0 to 10.
  • m and/or n can independently be any value or range of values therebetween the aforementioned values.
  • n is from 2 to 50 or from 4 to 50.
  • the mole ratio of epichlorohydrin to R 3 (EO)n(PO)mOH is from about 0.60: 1 to about 2: 1 . Alternatively, the ratio is 0.80: 1 to 2: 1. Ail values and ranges of values therebetween are expressly contemplated in various non- limiting embodiments.
  • R 3 can be any substituted or un substituted, saturated or unsaturated aliphatic moiety having from 4 to 22 carbon atoms.
  • R 3 can be a linear or branched alkyl group, a linear or branched alkenyl or alkenyl group, a saturated carbocyclic moiety, an unsaturated carboeyclic moiety having one or more multiple bonds, a saturated heterocyclic moiety, an unsaturated heterocyclic moiety having one or more multiple bonds, a substituted linear or branched alkyl group, a substituted linear or branched alkenyl or alkynyl group, a substituted saturated carbocyclic moiety, a substituted unsaturated carbocyclic moiety having one or more multiple bonds, a substituted saturated heterocyclic moiety, a substituted unsaturated heterocyclic moiety having one or more multiple bonds.
  • R 3 can also be an arenyl group, Arenyl groups are alkyl-substituted aromatic radicals having a tree valence at an alkyl carbon atom such as a benzylic group.
  • the typical value of R 3 is an alkyl group having from 4 to 22 carbon atoms and most typically an alkyl group having from 8 to 10 carbon atoms.
  • the degree of ethoxylation is typically from 2 to 50 or from 4 to 50 while the degree of propoxvlation can vary from 0 to 10.
  • R 3 is an alkyl group having from 4 to 12 carbon atoms.
  • R J is an alkyl group having from 8 to 10 carbon atoms.
  • R 3 may be an alkyl group having from 4 to 12 carbon atoms while n is a number from 2 to 50.
  • R J may be an alkyl group having from 8 to 10 carbon atoms wherein n is a number from 4 to 50.
  • the starfactant gel breaker may be as described in any one or more of U.S. Pat.
  • the liquid surfactant composition may be formed by any method.
  • the liquid surfactant composition may be formed by combining each of the components described above.
  • the method includes the step of providing the alkyl alkoxyiate surfactant, the gel-breaker (or any more specific species thereof) and the water and also the step of combining these components to form the liquid surfactant composition.
  • the method may further include one or more steps of forming each of the alkyl alkoxyiate surfactant and/or any one or more of the gel -breakers.
  • compositions that include the liquid surfactant composition.
  • an emulsion may include the liquid surfactant composition of this disclosure.
  • the emulsion itself is not particularly limited and may be any known in the art, e.g. a water in oil emulsion, and oil in water emulsion, etc.
  • this disclosure provides an emulsion polymerization process.
  • This process typically includes the steps of forming an emulsion including at least one monomer and the liquid surfactant composition.
  • This process also typically includes the step of polymerizing the at least one monomer in the presence of the liquid surfactant composition to form a polymer in the emulsion.
  • the at least one monomer may be further defined as one monomer, two monomers, or any number of additional monomers.
  • the monomers are not particularly limited and may be any known in the arts of latex paints and coatings, adhesives, and/or industrial coatings.
  • the monomers are typically organic monomers but are not limited as such.
  • the polymer formed in the emulsion may be further defined as a latex paint, coating, adhesive, and/or industrial coating.
  • An alkyl alkoxylate surfactant is made by ethoxylating lauryl alcohol with 30 moles of EO.
  • This ethoxyiated lauryl alcohol (45.5 parts) is then blended with a control gel breaker (19.5 parts) and diluted by adding 35 parts of water.
  • This control gel breaker is a C12-C14 secondary alcohol ethoxyiated with 9 moles of EO.
  • a series of gel -breakers are then utilized to replace the aforementioned comparative gel breaker and form a series of surfactant compositions.
  • the viscosity of each of the surfactant compositions is then evaluated using a Brookfield Viscometer (LVTDV-II), Spindle #2, RPM adjusted to achieve 50% torque.
  • the gel point of each of the surfactant compositions is evaluated using the Anton Paar method (Physica MCR 301) utilizing Spindle PP50-SN27594, equilibration at 25°C for 120 seconds, a Shear Rate of 1 1/sec, a linear ramp from 25°C to 0°C for 8.5 minutes, and a measurement of 100 data points over the temperature ramp.
  • the results are set forth in the Table below. In the Table, the terminology "gel” indicates that the surfactant composition is not pourable at
  • Gel Breaker 1 is the reaction product of 2-propyl heptanol, 1 mole of propylene oxide, and 5 moles of ethylene oxide.
  • Gel Breaker 2 is the reaction product of 2-propyl heptanol, 1 mole of propylene oxide, and 8 moles of ethylene oxide,
  • Gel Breaker 3 is the reaction product of 2-propyl heptanol, 1 mole of propylene oxide, and 10 moles of ethylene oxide.
  • Gel Breaker 4 is the reaction product of 2-propyl heptanol, 3 mole of propylene oxide, and 14 moles of ethylene oxide.
  • Gel Breaker 5 is the reaction product of 2-propyl heptanol and 20 moles of ethylene oxide.
  • Gel Breaker 6 is the reaction product of 2-propyl heptanol and 30 moles of ethylene oxide.
  • Gel Breaker 7 is the reaction product of tridecanol and 8 moles of ethylene oxide
  • Gel Breaker 8 is the reaction product of tridecanol and 9 moles of ethylene oxide
  • Gel Breaker 9 is the reaction product of tridecanol and 10 moles of ethylene oxide.
  • Gel Breaker 10 is Starfactant 20 which is a dendrimer polymer commercially available from BASF Corporation.
  • Gel Breaker 1 1 is Starfactant 30 which is a dendrimer polymer commercially available from BASF Corporation.
  • Gel Breaker 12 is Tetronic 304 which is a tetrafunctional block copolymer.
  • Gel Breaker 13 is Tetronic 901 which is a tetrafunctional block copolymer.
  • Gel Breaker 14 is Tetronic 904 which is a tetrafunctional block copolymer.
  • Gel Breaker 15 is Tetronic 908 which is a tetrafunctional block copolymer.
  • Gel Breaker 16 is Pluronic L31 which is a block copolymer
  • Gel Breaker 17 is Pluronic L35 which is a block copolymer.
  • Gel Breaker 18 is Pluronic L61 which is a block copolymer.
  • Gel Breaker 19 is Pluronic L62 which is a block copolymer.
  • Gel Breaker 20 is Pluronic L.64 which is a block copolymer.
  • Gel Breaker 21 is Pluronic L81 which is a block copolymer.
  • Gel Breaker 22 is the reaction product of a C12-C14 alkanol with 20 moles of EO.
  • compositions are also formed. More specifically, these compositions include 45.5 weight percent of the alkyl alkoxylate surfactant that is made by ethoxylating lauryl alcohol with 30 moles of EO. These compositions also include 40-45 weight percent of water and varying amounts of the Gel Breaker 17. These compositions further include varying amount of Gel Breakers 10 and 11. Just as above, these compositions are evaluated to determine viscosity and gel point and the results are set forth in the Table below.
  • compositions at 14.5% loading were gel free.
  • the compositions at 9.5% had a higher viscosity and a gel point above 0°C.
  • compositions are further fonned. More specifically, these compositions include 45.5 weight percent of the alkyl alkoxylate surfactant that is made by ethoxylating iauryl alcohol with 30 moles of EO. These compositions also include about 35 weight percent of water and varying amounts of the Gel Breakers set forth below. Just as above, these compositions are evaluated to determine viscosity and gel point and the results are set forth in the Table below.
  • compositions are further formed. More specifically, these compositions include 45.5 weight percent of the alkyl alkoxylate surfactant that is made by ethoxylating iauryl alcohol with 30 moles of EO. These compositions also include about 35 weight percent of water and varying amounts of the Gel Breakers set forth below. Just as above, these compositions are evaluated to determine viscosity and gel point and the results are set forth in the Table below.
  • any ranges and subranges relied upon in describing various embodiments of the present invention independently and collectively fall within the scope of the appended claims, and are understood to describe and contemplate all ranges including whole and/or fractional values therein, even if such values are not expressly written herein.
  • One of skill in the art readily recognizes that the enumerated ranges and subranges sufficiently describe and enable various embodiments of the present invention, and such ranges and subranges may be further delineated into relevant halves, thirds, quarters, fifths, and so on.
  • a range "of from 0.1 to 0.9" may be further delineated into a lower third, i.e., from 0.1 to 0.3, a middle third, i.e., from 0,4 to 0.6, and an upper third, i.e., from 0.7 to 0.9, which individually and collectively are within the scope of the appended claims, and may be relied upon individually and/or collectively and provide adequate support for specific embodiments within the scope of the appended claims.
  • a range such as "at least,” “greater than,” “less than,” “no more than,” and the like, it is to be understood that such language includes subranges and/or an upper or lower limit.
  • a range of "at least 10" inherently includes a subrange of from at least 10 to 35, a subrange of from at least 10 to 25, a subrange of from 25 to 35, and so on, and each subrange may be relied upon individually and/or collectively and provides adequate support for specific embodiments within the scope of the appended claims.
  • an individual number within a disclosed range may be relied upon and provides adequate support for specific embodiments within the scope of the appended claims.
  • a range "of from 1 to 9" includes various individual integers, such as 3, as well as individual numbers including a decimal point (or fraction), such as 4.1 , which may be relied upon and provide adequate support for specific embodiments within the scope of the appended claims.

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Abstract

Cette invention concerne une composition de tensioactif liquide ayant une teneur en fractions solides de 30 à 70 % en poids. Dans un mode de réalisation, la composition de tensioactif comprend un tensioactif de type alcoxylate d'alkyle, un agent de rupture de gel, et de l'eau. Le tensioactif de type alcoxylate d'alkyle répond à la formule R-(AO)x où R est un groupe alkyle ayant de 10 à 20 atomes, AO représente au moins un oxyde d'alkylène, et x représente un nombre de moles d'oxyde d'alkylène variant de 20 à 50. Le tensioactif de type alcoxylate d'alkyle et l'agent de rupture de gel sont miscibles à l'eau. L'agent de rupture de gel réduit au minimum ou empêche la formation de gel et de manière générale agit également comme un tensioactif lui-même, ce qui améliore encore la performance du tensioactif de type alcoxylate d'alkyle, même à des teneurs en fractions solides élevées.
PCT/US2015/065271 2014-12-11 2015-12-11 Composition de tensioactif liquide comprenant un mélange de 2 tensioactifs non ioniques Ceased WO2016094812A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0687720A2 (fr) * 1994-06-14 1995-12-20 Basf Corporation Composition pour le lavage et le rinçage de la vaisselle en machine contenant une mélange d'agents tensio-actifs
US5827453A (en) 1997-01-14 1998-10-27 Henkel Corporation Defoaming compositions
US5895605A (en) 1997-01-14 1999-04-20 Henkel Corporation Defoaming compositions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0687720A2 (fr) * 1994-06-14 1995-12-20 Basf Corporation Composition pour le lavage et le rinçage de la vaisselle en machine contenant une mélange d'agents tensio-actifs
US5827453A (en) 1997-01-14 1998-10-27 Henkel Corporation Defoaming compositions
US5895605A (en) 1997-01-14 1999-04-20 Henkel Corporation Defoaming compositions
US6472440B2 (en) 1997-01-14 2002-10-29 Cognis Corporation Defoaming compositions

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