WO2019084375A1 - Compositions liquides d'assouplissant sans esterquat contenant un savon d'acide gras insaturé - Google Patents

Compositions liquides d'assouplissant sans esterquat contenant un savon d'acide gras insaturé

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Publication number
WO2019084375A1
WO2019084375A1 PCT/US2018/057671 US2018057671W WO2019084375A1 WO 2019084375 A1 WO2019084375 A1 WO 2019084375A1 US 2018057671 W US2018057671 W US 2018057671W WO 2019084375 A1 WO2019084375 A1 WO 2019084375A1
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WO
WIPO (PCT)
Prior art keywords
composition
poly
acid
previous
polyquaternium
Prior art date
Application number
PCT/US2018/057671
Other languages
English (en)
Inventor
Feng-Lung Gordon Hsu
Daniel L. KILLINGER
Steven M. RADERS
Jobiah J. Sabelko
Yaqiang Ming
Yunpeng Zhu
Smita Brijmohan
Original Assignee
Lubrizol Advanced Materials, Inc.
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Filing date
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Application filed by Lubrizol Advanced Materials, Inc. filed Critical Lubrizol Advanced Materials, Inc.
Publication of WO2019084375A1 publication Critical patent/WO2019084375A1/fr

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Classifications

    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/001—Softening compositions
    • C11D3/0015—Softening compositions liquid
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3723—Polyamines or polyalkyleneimines
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones
    • C11D3/3742—Nitrogen containing silicones
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
    • C11D3/3773—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines in liquid compositions
    • 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
    • C11D9/00—Compositions of detergents based essentially on soap
    • C11D9/007—Soaps or soap mixtures with well defined chain length
    • 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
    • C11D9/00—Compositions of detergents based essentially on soap
    • C11D9/04—Compositions of detergents based essentially on soap containing compounding ingredients other than soaps
    • C11D9/22—Organic compounds, e.g. vitamins
    • C11D9/225—Polymers
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile

Definitions

  • the disclosed technology relates to esterquat free liquid fabric softener compositions having good stability, dispersibility and conditioning properties.
  • the disclosed technology relates to a fatty acid soap dispersed in aqueous media in which the soap dispersion is stabilized with a cationic polymer.
  • the stabilized soap dispersions of the disclosed technology are capable of imparting softness to fabrics treated with such dispersions, particularly in the rinse cycle of a laundering procedure.
  • esterquats Quaternary ammonium salts of alkanolamines esterified with an average of two fatty acid aliphatic moieties per molecule are commonly referred to as esterquats.
  • Esterquats e.g., tallowquats
  • esterquat fabric softeners are replacing the more environmentally challenging dialkyldimethyl ammonium salt fabric softeners owing to the inclusion of ester linkages into the aliphatic moieties which significantly enhances biodegradation and lowers environmental exposure levels.
  • the formulation of esterquat fabric softeners in aqueous based liquid formulations have been challenging because the ester linkages contained in the compound are susceptible to hydrolysis leading to shelf-life instability.
  • Most fabric softening quats are water dispersible and are not water soluble to ensure a better deposition efficiency of the softening ingredient.
  • the fatty acid/soap used in the composition of the present technology have limited solubility in water.
  • the solubility of saturated fatty acid soaps in water is highly limited in comparison to detersive surfactants. Due to the formation of a liquid crystal phase, a soap solution can solidify even at a low soap concentration. For instance, a 0.5% stearate soap in water can form a solid. In contrast, the water solubility of an unsaturated soap is much higher.
  • the water solubility of an unsaturated fatty acid can be tailored by the degree of neutralization.
  • Unsaturated fatty acids neutralized to a lesser degree than a fully neutralized unsaturated fatty acid will be less soluble in aqueous media. Accordingly, to ensure a better deposition efficiency of an unsaturated fatty acid soap to a fabric surface, it is sometimes preferred not to fully neutralize the fatty acid.
  • the combination of free unsaturated fatty acid and neutralized unsaturated fatty acid soap provides the same water dispersibility profile mimicking the deposition efficiencies of traditional quats that are commonly employed in fabric softening products.
  • the combination of free fatty acid to neutralized fatty acid soap in the liquid fabric softening compositions of the present technology is not isotropic and light transmittance is limited (could be less than 50% for a 1 cm cuvette at 520 nm wave length).
  • Another method to reduce the water solubility of a soap is by salting out the soap by the means of reducing the degree of hydration of the head groups and/or forming coacervates with a cationic polymer.
  • a transparent liquid soap system is indicative that the soap is fully solubilized in water.
  • an opaque system is indicative that the soap molecules are not fully dissolved in water but are dispersed in water.
  • US 6,949,498 concerns a laundry cleansing and conditioning composition consisting essentially of one or more cationic polymers and one or more anionic surfactants having a percent transmittance of greater than 50 percent at 570 nanometers.
  • the ratio of cationic polymer to anionic surfactant is disclosed to be less than 1 :4, and the concentration of cationic polymer is less than 5 wt.% of the composition.
  • the anionic surfactant has an HLB of greater than 4 and is present in an amount greater than 5 wt.% of the composition.
  • fatty acid soap is disclosed among the myriad of anionic surfactant components useful in the disclosed fabric softening composition, all of the examples include a detersive surfactant other than the fatty acid soap in order to achieve the stated transmittance of greater than 50 %.
  • US 7,718,596 discloses a unit dose wash cycle fabric softener composition contained within a water-soluble container wherein the fabric softener composition includes: i) one or more fatty acid esters; ii) optionally a fatty acid soap; iii) optionally a fatty acid; iv) optionally a perfume; and v) optionally a cellulose ether cationic deposition polymer.
  • US 9,441 , 188 concerns a rinse cycle fabric conditioning composition
  • a rinse cycle fabric conditioning composition comprising an emulsion of particles in an aqueous medium.
  • the particles comprise: a) a fatty acid triglyceride; and b) a water swellable cationic polymer.
  • a fatty acid soap component There is no disclosure of a fatty acid soap component.
  • US 2006/0217287 discloses a wash and/or rinse cycle fabric softener composition
  • a wash and/or rinse cycle fabric softener composition comprising: a) 0.5 to 4 wt.% of a synthetic anionic surfactant; b) a fatty acid soap, wherein the weight ratio of the synthetic anionic surfactant to the fatty acid soap is less than 1 ; and c) 0.05 to about 2 wt.% of a cationic quaternary cellulose ether polymer.
  • US 2006/0223739 concerns a wash and/or rinse cycle fabric conditioning composition
  • a wash and/or rinse cycle fabric conditioning composition comprising: a) 0.05 to 2 wt.% of a cationic quaternary cellulose ether polymer; b) a fatty acid soap, wherein the weight ratio of the soap to the cationic cellulose ether polymer is at least 2: 1 ; and c) 0.1 to 5 wt.% of an amphoteric surfactant.
  • US 2008/0076692 discloses a wash cycle fabric softening composition
  • a wash cycle fabric softening composition comprising: a) at least 1 wt.% of a detersive surfactant other than soap having a molecular weight below 1000 Daltons: b) at least 1 wt.% of a C6 to C30 soap; c) 0.005 to 5 wt.% of a polymeric nonionic surfactant having a molecular weight above 2200 Daltons; d) 0.001 to 15 wt.% of one or more cationic polymers capable of forming a complex with the soap.
  • a stable aqueous liquid fabric softener composition comprising, consisting of, or consisting essentially of:
  • Another aspect of the present technology is to provide a means for stabilizing dispersions of anionic soap-based fabric softeners.
  • the present technology provides fabric softening compositions without the disadvantages of prior fabric softening formulations.
  • the fabric softener compositions provide excellent dispersibility and storage stability at high and low temperatures and good freeze/thaw recovery.
  • the compositions of the present technology do not suffer from the loss of softening performance and moisture wicking properties when compared to the prior esterquat fabric softeners.
  • fatty acid salt As defined and used herein, the terms “fatty acid salt”, “fatty acid soap” and “soap” are used interchangeably.
  • stable and “stability” means that no visible phase separation is observed for a period of at least about one week of storage, or at least about 1 month of storage, or at least about 6 months of storage at ambient room temperature (20 to about 25°C).
  • the products of the disclosed technology show no visible phase separation after about at least four weeks, or at least about 6 weeks, or at least about 8 weeks of storage at 45°C.
  • the fabric softening compositions of the disclosed technology are free of synthetic detersive surfactants.
  • Detersive surfactants are very water soluble and can prevent dispersed fabric softening actives from depositing on or can remove deposited fabric softening components from the fabric surface.
  • the fabric softening compositions of the disclosed technology show no phase separation after at least one freeze/thaw cycle, or after at least 2 freeze/thaw cycles, or at least 3 freeze/thaw cycles, wherein the composition of the disclosed technology is cycled between a freezing temperature, usually -20°C, and an ambient temperature of 20-25°C.
  • cationic polymers can be incorporated into a soap-based fabric softener composition to enhance formulation dispersibility and stability, as well as the substantivity of the active soap softening agent to a laundered fabric.
  • the polyelectrolytic nature of the cationic polymer reduces the quality of solvation and induces the salting out of the fatty acid soap to form vesicles or particle aggregates and/or interacts with the anionically charged soap molecules to form coacervates.
  • the cationic polymer's presence in the formulation also stabilizes the viscosity of the liquid composition.
  • the active fabric softening component of the present technology is selected from at least one linear or branched unsaturated fatty acid soap wherein the acyl moiety of the fatty acid contains 8 to 22 carbon atoms, or 10 to 20 carbon atoms, or 12 to 18 carbon atoms.
  • the at least one fatty acid soap component is selected from a compound of the formula: RC(0)OM (I) where R represents an unsaturated moiety containing 7 to 21 carbon atoms and M is a solubilizing cation.
  • R represents a mixture of moieties having carbon atom chain lengths of 7 to 21 carbon atoms.
  • R is unsaturated (e.g., a C7-C22 alkenyl moiety).
  • unsaturated fatty acids include but are not limited to myristoleic, palmitoleic, oleic, ricinoleic, linoleic, linolenic, eleostearic, eicosenic, erucic, and mixtures thereof.
  • the fatty acid is a mixture of fatty acids derived from the saponification of natural oils and fats.
  • natural oils include coconut, tallow, tall, palm, palm kernel, soybean, canola, castor, corn, cottonseed, linseed, rapeseed, tung, and algal oils. While mixtures of saturated and unsaturated fatty acids are obtained from the saponification of natural oils and fats, unsaturated fatty acids contained in these mixtures can be separated from the mixture by known means, such as distillation.
  • mixtures of fatty acids derived from natural fats and oils contain 50 wt.% or higher, or 80 wt.% or higher, or 85 wt.% or higher, unsaturated fatty acid content (based on the total wt. of the fatty acid mixture).
  • Mixtures of fatty acids with high unsaturated fatty acid content are commercially available.
  • high purity oleic fatty acid with a high unsaturated fatty acid content is available.
  • M is a cation selected from sodium, potassium and ammonium or an alkanolamine selected from triethanolamine, diethanolamine, monoethanolamine, and mixtures thereof.
  • the fatty acid soap is selected from the sodium and potassium salts of myristoleic, palmitoleic, oleic, ricinoleic, linoleic, linolenic, eleostearic, eicosenic, and erucic, acids, and mixtures thereof.
  • the fatty acid soap is selected from the sodium and potassium salts of oleic acid containing 1 wt.% or less of saturated fatty acid salt content.
  • the fabric softener composition of the present technology may optionally contain a saturated fatty acid in combination with the unsaturated fatty acids mentioned above.
  • R in formula (I) above represents a saturated moiety containing 7 to 21 carbon atoms.
  • Representative saturated fatty acids include but are not limited to caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, isostearic acid, arachidic acid, behenic acid, and mixtures thereof.
  • the weight ratio of unsaturated fatty acid soap to saturated fatty acid soap is 1 : 1 , or 1 :0.75, or 1 :0.5, or 1 :0.25, or 1 :0.1 , or 1 :0.05, or 1 :0.01 , or 1 :0.
  • the amount of fatty acid soap content in the fabric softener compositions of the present technology ranges from about 0.2 to 35 wt.%, or from about 0.5 to about 20 wt.%, or from about 1 to about 10 wt.%, or from about 2 to about 8 wt.%, based on the total wt. of the composition.
  • the soap can be prepared by a variety of well-known means such as by the direct neutralization of a fatty acid or mixtures thereof with a suitable base or mixture of bases or by the saponification of suitable fats and natural oils or mixtures thereof with a suitable base or a mixture of suitable bases.
  • exemplary bases include, but are not limited to, potassium hydroxide, potassium carbonate, sodium hydroxide, ammonium hydroxide, triethanolamine, and mixtures thereof.
  • the degree of neutralization of the fatty acid ranges from about
  • the degree of neutralization is stoichiometric calculated by the mole ratio of neutralizer and fatty acid. When the mole ratio of neutralizer to fatty acid is over 1 , the degree of fatty acid neutralization is considered to be 1 .
  • the amount of neutralizer over 1 is considered to be an electrolyte and a pH adjuster. The presence of other ingredients, such as cationic polymers and other adjuvants are not considered in the calculation of the degree of neutralization.
  • the cationic polymers of the disclosed technology provide the mechanism for the anionic soap softening component to deposit onto the negatively charged fabrics, potentially imparting additional softening benefits and anti-static performance.
  • the polyelectrolytic nature of the cationic polymer component also facilitates the conversion of the soap from a solid state to a dispersed state via a salting out phenomenon and coacervation between soap and cationic polymer forming coacervates, complexes, and/or vesicles.
  • the presence of the cationic polymer creates an osmotic gradient difference which extracts water from the coacervates and vesicles.
  • the wrapping of the cationic polymer around the surface of the coacervates and vesicles stabilizes the fatty acid soap dispersed within the continuous aqueous phase of the softener composition.
  • a high level of cationic polymer increases product viscosity by associating with multiple negatively charged soap vesicles and coacervates to form a network.
  • Saturated fatty acid soaps in aqueous media may be solid even when present in amounts as low as 0.5 % (w/w).
  • a cationic polymer having sufficient total ionic strength converts a solid soap system into a liquid dispersed state.
  • the positively charged soap/cationic polymer aggregates have the advantage of providing substantivity to the often negatively charged textile materials (e.g., cellulose).
  • a cationic polymer is defined as a polymer containing at least one monomer residue that contains a positive charge or can be made to contain a positive charge (e.g., protonated) under the conditions of end product use.
  • the cationic polymer may be selected from the group consisting of cationic or amphoteric polysaccharides, polyethyleneimine and its derivatives, a synthetic polymer made by polymerizing one or more cationic monomers selected from the group consisting of N,N- dialkylaminoalkyl acrylate, ⁇ , ⁇ -dialkylaminoalkyl methacrylate, ⁇ , ⁇ -dialkylaminoalkyl acrylamide, ⁇ , ⁇ -dialkylaminoalkylmethacrylamide, quaternized N, N dialkylaminoalkyl acrylate quaternized ⁇ , ⁇ -dialkylaminoalkyl methacrylate, quaternized N,N- dialkylaminoalkyl acrylamide, quaternized N,N-dialkylaminoalkylmethacrylamide, Methacryloamidopropyl-pentamethyl-l,3-propylene-2-ol-ammonium dichloride
  • the cationic polymer may optionally comprise a second monomer selected from the group consisting of acrylamide, ⁇ , ⁇ -dialkyl acrylamide, methacrylamide, ⁇ , ⁇ -dialkylmethacrylamide, C1-C12 alkyl acrylate, C1 -C12 hydroxyalkyl acrylate, polyalkylene glyol acrylate, C1 -C12 alkyl methacrylate, C1-C12 hydroxyalkyl methacrylate, polyalkylene glycol methacrylate, vinyl acetate, vinyl alcohol, vinyl formamide, vinyl acetamide, vinyl alkyl ether, vinyl pyridine, vinyl pyrrolidone, vinyl imidazole, vinyl caprolactam, and derivatives, acrylic acid, methacrylic acid, maleic acid, vinyl sulfonic acid, styrene sulfonic acid, acrylamidopropylmethane sulfonic acid (AMPS ® monomer) and their salts.
  • the polymer may be a terpolymer prepared from more than two monomers.
  • the polymer may optionally be branched or cross-linked by using branching and crosslinking agents, including but not limited to ethylene glycoldiacrylate divinylbenzene, and butadiene.
  • the cationic polymer may include those produced by polymerization of ethylenically unsaturated monomers using a suitable initiator or catalyst, such as those disclosed in WO 00/56849 and US 6,642,200.
  • the cationic polymer may comprise charge neutralizing anions such that the overall polymer is neutral under ambient conditions.
  • Suitable counter ions include (in addition to anionic species generated during use) chloride, bromide, sulfate, methylsulfate, sulfonate, methylsulfonate, carbonate, bicarbonate, formate, acetate, citrate, nitrate, and mixtures thereof.
  • the cationic polymer may be selected from the group consisting of poly(acrylamide-co-diallyldimethylammonium chloride), poly(acrylamide-co-methacryloyloxyethyl trimethylammonium methylsulfate) poly(acrylamide-co-methacrylamidopropyltrimethyl ammonium chloride), poly(acrylamide-co-N,N-dimethyl aminoethyl acrylate) and its quaternized derivatives, poly(acrylamide-co-N,N-dimethyl aminoethyl methacrylate) and its quaternized derivative, poly(hydroxyethylacrylate-co-dimethyl aminoethyl methacrylate), poly(hydroxpropylacrylate-co-dimethyl aminoethyl methacrylate), poly(hydroxpropylacrylate-co-methacrylamidopropyltrimethylammonium
  • INCI International Nomenclature of Cosmetic Ingredients
  • Polyquaternium-1 Polyquaternium-5, Polyquaternium-6, Polyquaternium-7, Polyquaternium-8, Polyquaternium-1 1 , Polyquaternium-14, Polyquaternium-22, Polyquaternium-28, Polyquaternium-30, Polyquaternium-32, Polyquaternium-33, Polyquaternium-39, Polyquarternium-47 and Polyquaternium-53.
  • the cationic polymer may include natural polysaccharides that have been cationically and/or amphoterically modified.
  • Representative cationically or amphoterically modified polysaccharides include those selected from the group consisting of cationic and amphoteric cellulose ethers; cationic or amphoteric galactomannans, such as cationic guar gum, cationic locust bean gum and cationic cassia gum; chitosan; cationic and amphoteric starch; and combinations thereof.
  • polymers may be further classified by their INCI names as Polyquarternium-10, Polyquaternium-24, Polyquaternium-29, Guar Hydroxypropyltrimonium Chloride, Cassia Hydroxypropyltrimonium Chloride and Starch Hydroxypropyltrimonium Chloride.
  • the cationic polymer may have a net cationic charge density of from about 0.005 to about 23, or from about 0.01 to about 12, or from about 0.1 to about 7 milliequivalents/g, at the pH of the intended use of the composition.
  • charge density is measured at the intended use pH of the product. Such pH will generally range from about 2 to about 1 1 , more generally from about 2.5 to about 9.5.
  • Charge density is calculated by dividing the number of net charges per repeating unit by the molecular weight of the repeating unit.
  • the positive charges may be located on the backbone of the polymers and/or the side chains of polymers.
  • the cationic polymer may have a weight average molecular weight (Mw) of from about 500 to about 5,000,000, or from about 50,000 to about 2,000,000, or from about 100,000 to about 1 ,600,000, or from about 200,000 to about 1 ,200,000 Daltons as determined by size exclusion chromatography relative to polyethyleneoxide standards with Rl detection.
  • the cationic polymers may also range in both molecular weight and charge density.
  • the cationic polymer may have a charge density of from about 0.05 meq/g to about 12 meq/g, or from about 0.3 to about 6 meq/q, or from about 0.5 to about 4 meq/g at a pH of from about pH 3 to about pH 12.
  • the one or more cationic polymer may have a weight average molecular weight of 75,000 Daltons to about 2,500,000 Daltons and a charge density from about 0.1 meq/g to about 12.
  • Suitable cationic polymers are commercially available under the
  • NoveriteTM tradename product designations 300, 301 , 302, 303, 304, 305, 306, 307, 308, 310, 31 1 , 312, 313, 314 and 315 as well as SensomerTM CI-50 and 10M polymers marketed by Lubrizol Advanced Materials, Inc., Cleveland, Ohio.
  • the cationic polymer component may be present in an amount ranging from about 0.1 to about 50 wt.%, or from about 0.5 to about 20 wt.%, or from about 1 to about 10 wt.%, based on the weight of the total composition.
  • the fabric softener compositions of the present technology are provided as aqueous dispersions in which the majority of fabric softening fatty acid salt compounds are stably dispersed in the aqueous phase.
  • the aqueous phase is primarily water, usually deionized or distilled water, with partially dissolved fatty acid soap, polymers and adjuvants.
  • the compositions comprise from about 25 to about 99 wt.%, or from about 30 to about 90 wt.%, or from about 35 to about 80 wt.%, or about 40 to about 75 wt.%, or from about 60 to about 96 wt.%, or from about 75 to about 93 wt.%, or from about 80 to about 90 wt.% water, based on the total weight of the composition.
  • the water component is demineralized.
  • the aqueous carrier may comprise water miscible cosolvents.
  • Cosolvents can aid in the dissolution of various fabric softener components including the soap component and adjuvants that require dissolution in the liquid phase. Manipulation of the level of soap dissolution could be used for adjusting product viscosity by altering the volume ratio of soap aggregates and continuous bulk liquid as well as the viscosity of bulk liquid.
  • Suitable cosolvents include the lower alcohols such as ethanol and isopropanol but can be any lower monohydric alcohol containing up to 5 carbon atoms.
  • Some or all of the alcohol may be replaced with dihydric or trihydric lower alcohols or glycol ethers which in addition to providing solubilizing properties and reducing the flash point of the product, also can provide anti-freezing attributes as well as to improve the compatibility of the solvent system with particular laundry detergent adjuvants.
  • Exemplary dihydric and trihydric lower alcohols and glycol ethers are glycol, propanediol (e.g., propylene glycol, 1 ,3-propane diol), butanediol, glycerol, diethylene glycol, propyl or butyl diglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether, propylene glycol methyl, ethyl or propyl ether, dipropylene glycol monomethyl ether monoethyl ether, diisopropylene glycol monomethyl ether, diisopropylene glycol monoethyl ether, methoxytriglycol, ethoxytriglycol, butoxytriglycol, isobutoxyethoxy-2
  • the amount of cosolvent(s) if utilized can range from about 0.1 to about 10 wt.%, or from about from about 0.5 to about 5 wt.%, or from about 1 to 3.5 wt.%, based on the weight of the total composition.
  • the softener compositions may contain an optional auxiliary dispersing agent to facilitate the processing of compositions containing higher levels of the soap softening agent.
  • the auxiliary dispersing agent can be selected from polyetheramines (e.g., Jeffamine ® monoamines, Huntsman Corporation), fatty amine ethoxylates, polyoxyalkylene sodium salts (Carbosperse ® K-XP228 dispersant, Lubrizol Advanced Materials, Inc.), aromatic poly(alkyleneoxide) (e.g., Solsperse ® 27000 dispersant, Lubrizol Advanced Materials, Inc.) and anionically modified polyalkoxylated polyurethanes (SolsperseTM VW 400 dispersant, Lubrizol Advanced Materials, Inc.).
  • Other dispersing agents suitable for dispersing soaps may also be utilized.
  • the auxiliary dispersing agent is a polyetheramine is represented by the formula:
  • R 1 is hydrogen or methyl; and x and y are integers from 0 to 100, or from 1 to 50, or from 10 to 25, subject to the proviso that x and y cannot both be zero at the same time.
  • x and y are taken such that the molecular weight of the dispersant ranges from about 200 to about 5000, or from about 400 to about 4000, or from about 800 to about 2500 Daltons. These materials are commercially available from Huntsman Corporation, under the tradename Jeffamine ® , product designations M-600, M-1000, M-2005 and M-2070.
  • the polyetheramine and the unsaturated fatty acid soap may form vesicles and/or coacervates which provide anti-coagulation effects through a steric hindrance mechanism.
  • the dispersing agent is a fatty amine ethoxylate.
  • the fatty amine ethoxylate is represented by the formula:
  • R 2 is selected from hydrogen, C1-C22 alkyl, hydroxy(Ci-C22) alkyl or poly(ethyleneoxide) containing 2 to 30 ethylene oxide units, optionally R 2 can contain an ether linkage; and n and m independently represent an integer from 1 to 29.
  • the fatty amine ethoxylate is selected from but not limited to bis-(2-hydroxyethyl) isodecyloxypropylamine, poly(oxyethylene)(5) isodecyloxypropylam ine, bis-(2-hydroxyethyl) isotridecyloxypropylam ine, poly(oxyethylene)(5) isotridecyloxypropyl amine, bis-(2-hydroxyethyl) dodecylamine, poly(oxyethylene)(5) dodecylamine, poly(oxyethylene)(10) dodecylamine, poly(oxyethylene)(15) dodecylamine, bis-(2-hydroxyethyl) soya amine, poly(oxyethylene)(5) soya amine, poly(oxyethylene)(15) soya amine, bis- (2-hydroxyethyl) octadecylamine, poly(oxyethylene)(5) octadecylamine, poly(oxyethylene)(5) octa
  • the amine head portion of fatty amines associate with the fatty acid within the soap vesicle or coacervate, while the ethoxylated portion of fatty amine ethoxylate extends sufficiently away from the soap vesicle or coacervate to form a steric repulsive barrier preventing the aggregation or cohesion of individual soap vesicles or coacevates to assist in the stabilization of the dispersion.
  • the auxiliary dispersant component may be present in an amount ranging from about 0 to about 10 wt.%, or about 0.05 to about 7 wt.%, or from about 0.1 to about 5 wt.%, or from about 0.25 to about 3 wt.% or from about 0.5 to about 2.5 wt.%, based on the weight of the total composition.
  • the softener compositions may contain an optional hydrotrope.
  • the hydrotrope can be selected from those materials recognized in the art as hydrotropes.
  • the hydrotrope can be selected from the sodium, potassium, ammonium, monoethanolamine, and triethanolamine salts of cumene sulfonate, xylene sulfonate, toluene sulfonate, diisopropyl naphthalene sulfonate, and mixtures thereof.
  • nonionic hydrotropes such as glycerin, propylene glycol, ethanol and urea can be employed.
  • Non-limiting examples of suitable hydrotropes include: sodium cumene sulfonate, sodium toluene sulfonate, sodium xylene sulfonate, and sodium diisopropyl naphthalene sulfonate.
  • the amount of hydrotrope can range from about 0 to about 10 wt.%, or from about 0.1 to about 5 wt.%, or from about 0.2 to about 4 wt.%, or from about 0.5 to about 3 wt.%, based on the weight of the total composition.
  • the softener compositions may contain an optional electrolyte.
  • the electrolyte is included in the composition to modify the viscosity/elasticity profile of the composition on dilution and to provide lower dispersion viscosity and/or elasticity to the composition itself.
  • any of the alkaline metals or alkaline earth metal salts of the mineral acids can be used as the electrolyte.
  • NaCI, KCI, CaC , MgC , MgS04, Na2S04 and similar salts of alkaline and alkaline earth metals are employed.
  • the amount of the electrolyte salt can range from about 0 to 3 wt.%, or from about 0.05 to about 2.5 wt.%, or from about 0.1 to about 2 wt.% or from about 0.25 to 1 .5 wt.%, based on the total weight of the composition.
  • the softener compositions of the disclosed technology may contain an optional thickening agent to help increase the viscosity of the softener compositions.
  • an optional thickening agent to help increase the viscosity of the softener compositions.
  • Various categories of thickeners may be used for increasing the viscosities of fabric softening compositions containing cationic components.
  • thickeners of natural origin for example, gelatins, starches and carrageenans
  • cellulose-based natural thickeners known as cellulose ethers for example, ethylhexylethylcellulose (EHEC), hydroxybutylmethylcellulose (HBMC), hydroxyethylmethylcellulose (HEMC), hydroxypropylmethylcellulose (HPMC), methyl cellulose (MC), hydroxyethylcellulose (HEC), hydroxypropylcellulose (HPC) and cetyl hydroxyethylcellulose.
  • EHEC ethylhexylethylcellulose
  • HBMC hydroxybutylmethylcellulose
  • HEMC hydroxyethylmethylcellulose
  • HPMC hydroxypropylmethylcellulose
  • MC methyl cellulose
  • HPC hydroxyethylcellulose
  • cetyl hydroxyethylcellulose cetyl hydroxyethylcellulose
  • HEUR hydrophobically modified ethoxylated urethanes
  • the thickener may be selected from crossiinked homopolymers of acrylic acid (INCI name: Carbomer), crossiinked copolymers of (meth)acrylic acid and a C10-C30 alkyl ester of (meth)acrylic acid (INCI name: Acrylates/C 10-30 Alkyl Acrylate Cross-polymer), an alkali-swellable emulsion (ASE) polymer or a hydrophobically modified alkali-swellable emulsion (HASE) polymer.
  • crossiinked homopolymers of acrylic acid INCI name: Carbomer
  • crossiinked copolymers of (meth)acrylic acid and a C10-C30 alkyl ester of (meth)acrylic acid INCI name: Acrylates/C 10-30 Alkyl Acrylate Cross-polymer
  • ASE alkali-swellable emulsion
  • HASE hydrophobically modified alkali-swellable emulsion
  • An ASE polymer is a crossiinked emulsion copolymer prepared from (meth)acrylic acid and at least one monomer of a C1-C5 alkyl (meth)acrylate (INCI name: Acrylates Copolymer).
  • a HASE polymer is a emulsion copolymer of (meth)acrylic acid, at least one C1-C5 alkyl (meth)acrylate and an associative monomer with a pendant poly(alkylenoxy) moiety having a hydrophobic end group, e.g, alkyl, aryl or arylalkyl groups (representative INCI name: Acrylates/Beheneth-25 Methacrylate Copolymer).
  • the amount of the thickener component can range from about 0 to 10 wt.%, or from about 0.001 to 5 wt.%, or from about 0.1 to 2.5 wt.%, or from about 0.25 to 1 wt.%, based on the total weight of the composition.
  • Chelation agents can be employed to stabilize the softener compositions against the deleterious effects of metal ions.
  • suitable chelating agents include amino carboxylates, ethylene diamine- ⁇ , ⁇ '-disuccinate, amino phosphonates (where low levels of phosphorus are permitted), citric acid and salts thereof, and cyclodextrins.
  • Amino carboxylates useful as chelating agents include ethylenediaminetetraacetates (EDTA), N- hydroxyethylethylenediaminetriacetates, nitrilotriacetates (NTA), ethylenediamine tetraproprionates, ethylenediamine-N,N'-diglutamates, 2- hyroxypropylenediamine-N,N-disuccinates, triethylenetetraamine- hexacetates, diethylenetriaminepentaacetates (DETPA), and ethanoldiglycines, including their water-soluble salts such as the alkali metal, ammonium, and substituted ammonium salts thereof and mixtures thereof.
  • Suitable amino phosphonates are also suitable for use as chelating agents in the compositions of the invention when at least low levels of total phosphorus are permitted in laundry compositions, and include ethylenediaminetetrakis(methylenephosphonates), diethylenetriamine-N,N,N',N",N"-pentakis(methanephosphonate) (DETMP) and I- hydroxyethane-1 , 1 -diphosphonate (HEDP).
  • the chelating agents are used in an amount ranging from about 0 to about 10 wt.%, or from about 0.25 to about 5 wt.%, or from about 0.5 to about 3 wt.%, based on the total weight of the composition.
  • the softener compositions of the disclosed technology may contain an optional preservative(s).
  • Suitable preservatives include polymethoxy bicyclic oxazolidine, methyl paraben, ethyl paraben, propyl paraben, butyl paraben, benzyltriazole, DMDM hydantoin (also known as 1 ,3-dimethyl-5,5-dimethyl hydantoin), imidazolidinyl urea, phenoxyethanol, phenoxyethylparaben, methylisothiazolinone, methylchloroisothiazolinone, benzoisothiazolinone, triclosan, and suitable polyquaternium compounds disclosed above (e.g., Polyquaternium-1 ).
  • the preservatives comprise from about 0 to about
  • the softener compositions of the disclosed technology may contain optional pH adjusting agent(s).
  • the liquid fabric softener of the present technology will have a neat pH of from about 4 to about 13, or from about 5 to about 10, or from about 6 to about 9.5, or from about 6.5 to about 8.5.
  • the liquid fabric softener composition may contain a pH adjusting agent and/or buffering agent in a sufficient amount to attain the above-mentioned pH ranges.
  • the pH adjusting agents useful in the present laundry compositions include alkalizing agents.
  • Suitable alkalizing agents include, for example, ammonia solution, triethanolamine, diethanolamine, monoethanolamine, potassium hydroxide, sodium hydroxide, sodium phosphate dibasic, soluble carbonate salts, and combinations thereof. If it is necessary to reduce the pH of the liquid composition, inorganic and organic acidifying agents may be included. Suitable inorganic and organic acidifying agents include, for example, HF, HCI, HBr, HI, boric acid, sulfuric acid, phosphoric acid, and/or sulphonic acid; or boric acid.
  • the organic acidifying agent can include substituted and substituted, branched, linear and/or cyclic carboxylic acids and anhydrides thereof (e.g., citric acid, lactic acid).
  • the softener compositions of the disclosed technology may contain an optional buffer agent(s).
  • Suitable buffering agents include, but are not limited to, alkali or alkali earth metal carbonates, phosphates (where small amounts of phosphorus are permitted), bicarbonates, citrates, borates, acetates, silicates, acid anhydrides, succinates, and the like, such as sodium phosphate, sodium citrate, sodium acetate, sodium bicarbonate, sodium silicate and sodium carbonate.
  • the softener compositions of the disclosed technology may contain one or more enduring perfume ingredients which are substantive to fabrics to minimize the perfume lost during the laundry rinse cycle.
  • the perfume may be in the form of free oil or encapsulates.
  • Substantive perfume ingredients are those fragrance compounds that effectively deposit on fabrics during the rinsing cycle and are detectable on the subsequently dried fabrics by individuals with normal olfactory acuity. Enduring perfumes are those which are effectively retained and remain on the laundry for a long-lasting aesthetic benefit with a minimum amount of material, and not lost and/or wasted in the rinsing, and/or drying steps of the laundering process.
  • the perfume can be derived from a naturally occurring molecule or a synthetic molecule.
  • Naturally occurring molecules are those that are derived directly or indirectly from living beings (e.g., animals, plants, fruit, flowers, and the like). Naturally occurring molecules include products of naturally occurring molecules and synthetic molecules. Synthetic perfumes include alcohols, ketones, aldehydes, esters, ethers, nitriles, alkenes, and mixtures thereof. Suitable perfumes and fragrances are disclosed in U.S. Patent Nos. 8, 188,030; 8,357,649 and 8,293,697, the pertinent disclosures of which are incorporated herein by reference.
  • the perfume is incorporated into the present softener compositions at a level from about 0 or 0.001 to about 5 wt.%, or from about 0.1 to 3 wt.%, or from about 0.5 to about 2 wt.%, based on the total weight of the composition.
  • adjunct ingredients that may be added to the fabric softener composition of the present technology include, but are not limited to, colorant, brightener, dye, odor control agent, pro-perfume, cyclodextrin, solvent, soil release polymer, antimicrobial agent, chlorine scavenger, enzyme, anti- shrinkage agent, fabric crisping agent, spotting agent, anti-oxidant, anti-corrosion agent, bodying agent, drape and form control agent, smoothness agent, wrinkle control agent, sanitization agent, disinfecting agent, germ control agent, mold control agent, mildew control agent, antiviral agent, anti-microbial, drying agent, stain resistance agent, soil release agent, malodor control agent, fabric refreshing agent, chlorine bleach odor control agent, dye fixative, dye transfer inhibitor, color maintenance agent, color restoration/rejuvenation agent, anti- fading agent, whiteness enhancer, anti-abrasion agent, wear resistance agent, fabric integrity agent, anti-wear agent, and rinse aid, UV protection agent, sun fade inhibitor, insect repell, odor control
  • the softener composition comprises one or more adjunct ingredient(s) ranging from about 0 to 10 wt.%, or from about 0 to about 5 wt.%, or from about 0 to about 2 wt.%, based on the total weight of the composition.
  • the composition of the present technology is free or essentially free of any one or more adjunct ingredients.
  • the composition is free or essentially free of detersive laundry surfactants (other than the fatty acid soap).
  • the fabric softener compositions of the present technology may be prepared by the procedure set forth below:
  • the cationic polymers and liquid thickener may be pre-diluted with at least the same amount of water as a premix before adding to the system.
  • heating of the water in step 1 may not be required.
  • steps 2 through 6 may be modified to optimize processing time and stability.
  • Brookfield viscometers were used to measure the viscosity of compositions prepared in the examples. Either Model RV or LV Brookfield viscometer (Ametek Brookfield) was used depending on the viscosity range. The measurements were carried out at ambient room temperature (20-25°C) at the rotation speed of 20 rpm. Spindle sizes are selected in accordance with the standard operating recommendations from the manufacturer. The artisan of ordinary skill in the art will select a spindle size appropriate for the system to be measured.
  • a top load washer (General Electric Model No.
  • GTWN2800D1VWV was used for testing. Before each test cycle, the washer was cleaned as follows:
  • New terry cloth towels (Baltic Linen Pyramid Excel) used for the softness index test were washed (3 wash cycles) using Tide Original Powder laundry detergent to strip the manufacturing finish from the towels. After the third wash cycle the towels were removed from the washer and tumble dried. Before tumble drying the surface of the dryer was sprayed with isopropyl alcohol and wiped with a clean towel to insure chemical residues were removed. A front load tumble dryer (Whirlpool Quiet Dry LEB6300PWO was used for all drying steps. [0078] The wash machine parameters were set to Regular cycle time,
  • a PhabrometerTM 3 fabric assessment instrument and associated software (PhES) (Nu Cybertek, Inc.) was interfaced with a personal computer and used to measure the resilience and softness parameters of the softener treated towels. Individual circular swatches (area: approximately 100 cm 2 ) were cut from each of the 3 treated towels in each fabric softener test run. Each softener treated swatch sample was individually placed onto the mounting platform over the orifice (1 1 cm diameter) of the instrument and weighted down with mass plates weighing a total of 1 .814 kg. The treated swatch was forced through the orifice by the instrument plunger.
  • SI Softening Index
  • Free/Thaw stability testing was carried out by storing samples in a freezer at (-20°C) for at least 12 hours followed by thawing at ambient room temperature (20 - 25°C) for at least 3 hours before visual examination for gel formation or phase separation. The sample passes if there is no gel formation or phase separation. The test is repeated for up to 3 cycles.
  • stability testing is conducted under accelerated conditions in order to predict the shelf-life of a composition. Accelerated stability testing is carried out by storing samples in stability ovens (typically 40°C - 50°C) or under refrigeration (typically 4°C) set at the designated temperatures. Samples are removed periodically for assessment. Samples are considered to pass the stability test if no visible gel formation or phase separation is evident. Additional properties such as turbidity, viscosity and pH may also be monitored for select samples. A composition should be stable for at least 2 weeks, or at least 1 month, or at least 2 or 3 months, or at least 4 or 5 months at 45°C.
  • the moisture management properties of laundered fabrics are important for comfort and/or function.
  • Conventional tallow- quat and esterquat based softeners tend to negatively affect the moisture wicking and drying properties of many natural and synthetic fabrics.
  • the present technology helps to maintain the wicking properties of fabrics as compared to current esterquat based commercial products.
  • a top load washer (General Electric Model No.
  • GTWN2800D1VWV was used for testing. Before each test cycle, the washer was cleaned as follows:
  • New terry cloth towels (Baltic Linen Pyramid Excel) used for the wicking index test were washed (3 wash cycles) using Tide Original Powder laundry detergent to strip the manufacturing finish from the towels. After the third wash cycle the towels were removed from the washer and tumble dried. Before tumble drying the surface of the dryer interior was sprayed with isopropyl alcohol and wiped with a clean towel to insure chemical residues were removed. A front load tumble dryer (Whirlpool Quiet Dry LEB6300PWO) was used for all drying steps.
  • the wash machine parameters were set to Whites Regular cycle time, Medium size load, Warm water temperature and Cold-water rinse. City tap water having approximately 140-ppm water hardness level was used for all the tests. Three stripped terry cloth towels were placed in the washer drum along with TideTM Original liquid laundry detergent dosed at 50 grams/wash and the wash cycle was started. Residual detergent in the dosing cup was rinsed into the washer drum by holding the dosing cup under the fill water dispenser. The liquid softener test formulations or control formulation (Ultra DownyTM fabric softener) were dosed into the washer drum at the beginning of the rinse cycle at a dose of 2.45 grams total solids.
  • any residual softener in the dosing cup was rinsed into the washer by holding the dosing cup under the fill water dispenser.
  • the treated towels were placed in the front load tumble dryer drum which was again previously cleaned with isopropyl alcohol.
  • the drying parameters were set to a 65 Minute cycle time with the temperature set to Medium. Three towels were washed in each test sample and control formulation.
  • VWIheight Tsample/Tblank
  • VWIheight is the vertical wicking index of the sample for the specified height
  • Tsampie is the time to reach the specified height for the sample
  • Tbiank is the time to reach the specified height for the blank (detergent only, no softener treatment).
  • a lower wicking index correlates to faster drying times for treated fabrics.
  • textile substrates treated with the fabric softening compositions of the present technology provide VWI of at least 0.25, or at least 0.5, or at least 0.6, or at least 0.75, or at least 1 , or up to 1 .5.
  • Examples 1 to 2 are comparative, and Examples 3 to 7 are exemplary of the present technology.
  • Aqueous soap compositions were prepared by combining the ingredients in the amounts indicated in Table 1 .
  • To a mixing vessel equipped with a stirrer was added deionized (Dl) water followed by the addition of a sodium hydroxide solution and homogeneously mixed.
  • To the aqueous solution of sodium hydroxide and water was added the fatty acid component under gentle agitation. The fatty acid was neutralized in situ to form a fatty acid soap.
  • the cationic polymer was then added to the soap composition and mixed until homogeneous. Table 1
  • Example 3 The performance of the composition of Example 3 demonstrates a synergic improvement over the compositions of Comparative Example 1 (without a cationic polymer component) and Comparative Example 2 (without a soap component).
  • the softening results (AS lBiank) show that the softening benefits effected by the compositions of the disclosed technology for improving fabric softness vs. the fabrics without softening treatment.
  • AS Icontroi shows that the compositions of the present technology have a similar or better performance at the dosage of the same total solids level vs. a leading commercially available liquid fabric softener product. Examples 8 to 15
  • Examples 8 to 15 are exemplary of the present technology and were formulated from the ingredients listed in Tables 2 and 2A using the same procedure set forth in Examples 1 to 7.
  • the softening results show the softening benefits effected by the compositions of the disclosed technology for improving fabric softness vs. the fabrics without softening treatment.
  • ASIcontroi shows the inventive compositions have a similar or better performance at the dosage of the same total solid level vs. a leading commercially available liquid fabric softener product.
  • Examples 16 to 22 are exemplary of the present technology and are formulated from the ingredients listed in Tables 3 and 3A using the same procedure set forth in Examples 1 to 7.
  • Examples 23 to 25 are of the present technology. The Examples were formulated from the ingredients listed in Table 4 using the procedure of Examples 1 to 7.
  • compositions contained a 20 wt.% fatty acid soap levels.
  • compositions of Examples 29 to 30 were formulated from the ingredients set forth in Table 6 utilizing the procedure set forth in Examples 1 to 4.
  • compositions of Examples 31 to 34 were formulated from the ingredients set forth in Table 7 utilizing the procedure set forth in Examples 1 to 7. These Examples have various ratios of unsaturated and saturated fatty acids.
  • Example 35 was formulated to show the stability of high cationic polymer concentrations in an opaque formulation.
  • the composition was formulated from the ingredients set forth in Table 8 utilizing the procedure set forth in Examples 1 to 7.
  • Example 36 The composition of Example 36 was formulated from the ingredients set forth in Table 9 utilizing the procedure set forth in Examples 1 to 7.
  • the Softness (ASlBiank) and Wicking (WVI at 1 and 2 inches) Indices of Terry cloth towel fabric treated with the exemplified composition was measured in accordance with the test protocols described above.
  • a commercially available liquid fabric softener containing an esterquat softening agent was identically tested as a comparison.
  • the results of the Wicking Test are set forth in Table 10.

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Abstract

La présente invention concerne une composition liquide aqueuse stable de conditionnement de tissu comprenant : (i) de 0,2 à 35 % en poids par rapport au poids total de la composition d'un agent assouplissant choisi parmi au moins un acide gras insaturé contenant de 8 à 22 atomes de carbone avec un degré de neutralisation supérieur à 0,1 ; (ii) de 0,1 à 50 % en poids d'au moins un polymère cationique ; (iii) de l'eau ; et (iv) des adjuvants de formulation d'assouplissant facultatifs. L'invention concerne également un substrat textile traité au moyen de ladite composition, ayant un indice VWI à 1 in. <1,5 ; et un procédé permettant de conférer de la souplesse à des tissus consistant à mettre en contact lesdits tissus avec ladite composition.
PCT/US2018/057671 2017-10-26 2018-10-26 Compositions liquides d'assouplissant sans esterquat contenant un savon d'acide gras insaturé WO2019084375A1 (fr)

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CN112608468A (zh) * 2020-12-14 2021-04-06 浙江理工大学桐乡研究院有限公司 一种双季铵盐型酸性染料防沾污剂、防沾皂洗剂及其制备方法
CN112900091A (zh) * 2021-01-26 2021-06-04 纳爱斯浙江科技有限公司 一种具有织物快干功能的柔顺剂组合物及其制备方法
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US11505766B2 (en) 2020-12-15 2022-11-22 Henkel Ag & Co. Kgaa Surfactant compositions for improved transparency of DADMAC-acrylic acid co-polymers
US11535819B2 (en) 2020-04-01 2022-12-27 Henkel Ag & Co. Kgaa Unit dose detergent pack including a liquid detergent composition with improved color stability
US11560534B2 (en) 2020-12-15 2023-01-24 Henkel Ag & Co. Kgaa Surfactant compositions for improved transparency of DADMAC-acrylamide co-polymers
US11851634B2 (en) 2020-12-15 2023-12-26 Henkel IP & Holding GmbH Detergent composition having reduced turbidity

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CN112900091A (zh) * 2021-01-26 2021-06-04 纳爱斯浙江科技有限公司 一种具有织物快干功能的柔顺剂组合物及其制备方法

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