WO2024138300A1 - Compositions opacifiantes contenant un solvant non aqueux - Google Patents

Compositions opacifiantes contenant un solvant non aqueux Download PDF

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Publication number
WO2024138300A1
WO2024138300A1 PCT/CN2022/141846 CN2022141846W WO2024138300A1 WO 2024138300 A1 WO2024138300 A1 WO 2024138300A1 CN 2022141846 W CN2022141846 W CN 2022141846W WO 2024138300 A1 WO2024138300 A1 WO 2024138300A1
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WO
WIPO (PCT)
Prior art keywords
composition
alkyl
composition according
surfactant
aqueous solvent
Prior art date
Application number
PCT/CN2022/141846
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English (en)
Inventor
Sujandi ZHOU
Wenting SHEN
Celine Orizet
Ricardo MINGOT
Original Assignee
Specialty Operations France
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Specialty Operations France filed Critical Specialty Operations France
Priority to PCT/CN2022/141846 priority Critical patent/WO2024138300A1/fr
Publication of WO2024138300A1 publication Critical patent/WO2024138300A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0241—Containing particulates characterized by their shape and/or structure
    • A61K8/027—Fibers; Fibrils
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/25—Silicon; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/26—Aluminium; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/10—Washing or bathing preparations
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/14—Fillers; Abrasives ; Abrasive compositions; Suspending or absorbing agents not provided for in one single group of C11D3/12; Specific features concerning abrasives, e.g. granulometry or mixtures
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/41—Particular ingredients further characterized by their size
    • A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/42—Colour properties
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/02—Preparations for cleaning the hair

Definitions

  • the present invention generally relates to compositions comprising an opacifying mineral, a non-aqueous solvent, and microfibrous cellulose (MFC) . More specifically, the present invention relates to compositions comprising an opacifying mineral having a given refractive index, which along with the MFC and a non-aqueous solvent provide the compositions with excellent opaqueness and whiteness properties.
  • MFC microfibrous cellulose
  • Microplastic particles can generally be used in compositions, and in particular home and personal care products, to opacify or whiten the same.
  • the microplastic particles act as an opacifier, which imparts a uniform, lotionized, and white appearance in the formulation.
  • synthetic microplastic particles such as styrene arcrylate copolymers, are used in liquid cleaning products, such as shower gels and shampoo formulations.
  • microplastic particles in home and personal care products is not environmentally friendly since the particles are synthetic and are not biodegradable. Furthermore, flocculation, sedimentation, or both can occur in products containing the microplastic particles, and in particular under high temperatures or during extended storage.
  • the present invention generally relates to compositions comprising:
  • the present invention also generally relates to the use of such compositions as cleaning compositions, preferably as liquid laundry compositions, single unit dose, liquid laundry detergent compositions, dishwashing compositions, personal care compositions (preferably as a body cleaning composition, facial cleaning composition, shampoo, skin composition, or combination thereof) , disinfection compositions, floor cleansers, toilet bowl cleansers, and glass cleansers.
  • cleaning compositions preferably as liquid laundry compositions, single unit dose, liquid laundry detergent compositions, dishwashing compositions, personal care compositions (preferably as a body cleaning composition, facial cleaning composition, shampoo, skin composition, or combination thereof) , disinfection compositions, floor cleansers, toilet bowl cleansers, and glass cleansers.
  • wt. % refers to the amount of the respective ingredient by weight based on the total amount of the composition, unless noted otherwise.
  • an opacifying mineral means one opacifying mineral or more than one opacifying mineral.
  • opacifying mineral is not particularly limited.
  • An opacifying mineral is a mineral that is opaque, i.e. non-transparent.
  • Opacifying minerals may have an extinction coefficient ⁇ at 550 nm of 0.5 L/g/cm or more.
  • composition and the plural thereof refers to the composition and compositions of the present invention, including all the embodiments therein.
  • compositions of the present invention have excellent whiteness and uniformity, while also having excellent stability.
  • such compositions are stable at high temperatures for extended storage times and no flocculation or sedimentation occurs during storage. This is particularly surprising since it is generally known that mineral dispersions, especially in liquid home and personal care compositions, can be difficult to stabilize, particularly for long storage periods at high temperatures.
  • the compositions comprise an opacifying mineral, as opposed to microplastic particles, the compositions of the present invention are more environmentally friendly than those that have microplastic particles.
  • the refractive index of the opacifying mineral can be obtained from a refractive index database or references, such as the Handbook of Optical Constants of Solids, vol. 2, ed. Edward D. Palik (1991) .
  • the refractive index of the opacifying mineral may also be measured according to GB/T 16863-1997. In certain embodiments, preference is given to measuring the refractive index in accordance with GB/T 16863-1997.
  • the upper limit for the refractive index of the opacifying mineral is not particularly limited. In a preferred embodiment, the refractive index of the opacifying mineral is lower than 3.50, lower than 3.00 or lower than 2.50.
  • microfibrous cellulose also referred to as “microfibrillated cellulose” or “nanofibrillated cellulose” (NFC)
  • NFC nanofibrillated cellulose
  • MFC as well as the preparation thereof is described inter alia in the Review article “Microfibrillated cellulose –its barrier properties and applications in cellulosic materials: A review” , Lavoine et al., Carbohydrate Polymers, 2012, pp. 735-764.
  • the mechanical treatment of cellulose to produce MFCs can comprise the use of homogenizers, microfluidizers, grinders, or cryocrushing devices.
  • the microfibrous cellulose is produced from Komagataeibacter strain ATC301.
  • the microfibrous cellulose comprises cellulose fibers having an average diameter of 1 nm to 1000 nm, preferably 20 nm to 500 nm.
  • the microfibrous cellulose comprises cellulose fibers having an average diameter of 10 nm to 500 nm, preferably of 50 nm to 250 nm.
  • compositions can have 0.2 to 2 wt. %, preferably 0.4 wt. %to 1.5 wt. %, more preferably 0.5 wt. %to 1.2 wt. %of the microfibrous cellulose.
  • Anionic surfactants dissociate in water to yield an anion and a cation in water.
  • the anionic surfactant is a charge-neutral compound in the form of the free acid or a cosmetically acceptable salt thereof.
  • cosmetically acceptable salts are salts comprising ammonium, sodium, potassium and triethanolammonium.
  • Non-limiting examples of alkylphenol ethoxylates are Triton (octyl phenol ethoxylate) and Nonidet (4-nonylphenol ethoxylate) .
  • Non-limiting examples of alkanolamides are cocamide monoethanolamine and cocamide diethanolamine.
  • Non-limiting examples of glycerol fatty acid esters are glycerol monostearate and glycerol monolaurate.
  • Non-limiting examples of sorbitol fatty acid esters are sorbitan monolaurate, sorbitan monostearate and sorbitan tristearate.
  • sica includes silicates, such as inosilicates, phyllosilicates, and tectosilicates. Preferred silicates are phyllosilicates selected from clays and mica.
  • the opacifying mineral is selected from mica, calcium carbonate, calcium citrate, and combinations thereof.
  • the volume-based particle sizes including Dv10, Dv50, and Dv90 is preferably measured by laser diffraction using a laser diffraction particle size analyzer, such as an Mastersizer 300 from Malvern analytical.
  • the composition is opaque.
  • opacifying mineral refers to a composition having a whiteness ranging from 50 to 100, more preferably from 60 to 95.
  • the whiteness is determined using the L*a*b*colour space.
  • L*whiteness of a composition may be measured using the spectrocolorimeter DR LANGE LUCI 100 (measuring geometry d/8° acc. to DIN 5033) .
  • the plates that are used to measure L*whiteness consist of hexagonal shaped cells 2 cm wide by 3 mm thick. The sample quantity for each measurement is 1.5 mL per cell.
  • the composition can be provided in concentrated form (i.e., a concentrated formulation that can be diluted) or in the form of a diluted, ready-to-use cleaning formulation.
  • the composition is a concentrate, which can be suitable to be diluted to a cleaning formulation.
  • the composition can comprise 0 wt. %to 25 wt. %, preferably 0.5 wt. %to 25 wt. %, more preferably 0.7 wt. %to 1.5 wt. %of a surfactant, 1 wt. %to 95 wt. %, preferably 3 wt. %to 60 wt. %, more preferably 5 wt. %to 30 wt.
  • Such a ready-to-use composition can be consumer end products.
  • the consumer end-product can be prepared by diluting the concentrate with aqueous solvents, liquids, or both, as well as non-aqueous solvents, liquids, or both. Further, both aqueous and non-aqueous solvents and liquids can be used to dilute the concentrate.
  • composition of the present invention can generally be non-aqueous.
  • the composition does not comprise water or comprises only minimal amounts of water, such as 10 wt. %or less of water, 8 wt. %or less of water, 5 wt. %or less of water, or 1 wt. %or less of water.
  • the compositions can comprise an organic solvent selected from diols, including glycols.
  • the glycols are aliphatic glycols, including but not limited to ethylene glycol, propane-1, 2-diol, propane-1, 3-diol, butylene-1, 2-diol, butylene, 1, 3-diol, butylene-2, 3-diol, neopenthyl glycol, diethylene glycol, dipropylene glycol, dibutylene glycol, methylglycol, polyethylene glycol, and combinations thereof.
  • the composition of the present invention can be aqueous or can contain more than 10%of water. In such embodiments in which the compositions are aqueous, the compositions can comprise more than 10 wt. %to 99 wt.
  • the compositions may comprise more than 10 wt. %to 95 wt. %, more than 10 wt. %to 80 wt. %, 20 wt. %to 70 wt. %, or 30 wt. %to 60 wt. %of an aqueous liquid, such as water.
  • the composition of the present invention is a stable suspension.
  • the term stable refers to a storage stability of at least 1 week at 24°C, preferably the term refers to a storage stability of at least 1 month at 40 °C, more preferably 3 months at 40 °C, wherein no sedimentation or flocculation can visually be detected.
  • the term “stable” means that the absorption coefficient at 550 nm of the composition does not change under storage for at least 1 week at 24°C, preferably the term refers to a storage stability of at least 1 month at 40°C, more preferably the term refers to a storage stability of at least 3 months at 40 °C.
  • the term “stable” means that the whiteness determined by using the L*a*b*colour space, as described above, does not decrease more than 15%, preferably does not decrease more than 10%, more preferably does not decrease more than 5%under storage for at least 1 week at 24°C, preferably the term “stable” means that the whiteness determined by using the L*a*b*colour space, as described above, does not decrease more than 15%, preferably does not decrease more than 10%, more preferably does not decrease more than 5%under storage for at least 1 month at 40°C, and more preferably the term “stable” means that the whiteness determined by using the L*a*b*colour space, as described above, does not decrease more than 15%, preferably does not decrease more than 10%, more preferably does not decrease more than 5%under storage for at least 3 months at 40 °C.
  • the term also means that no sedimentation or flocculation can visually be detected along with not decreasing the whiteness more than described above.
  • the present invention further relates to the use of composition according to any one of claims 1 to 14 as a cleaning composition, preferably as liquid laundry composition, single unit dose, liquid laundry detergent composition, dishwashing composition, personal care composition (preferably as a body cleaning composition, facial cleaning composition, shampoo, skin composition, or combination thereof) , disinfection composition, floor cleanser, toilet bowl cleanser, glass cleanser, or combinations thereof.
  • a cleaning composition preferably as liquid laundry composition, single unit dose, liquid laundry detergent composition, dishwashing composition, personal care composition (preferably as a body cleaning composition, facial cleaning composition, shampoo, skin composition, or combination thereof) , disinfection composition, floor cleanser, toilet bowl cleanser, glass cleanser, or combinations thereof.
  • Examples 1 to 9 are directed to compositions containing the components as per Table 1.
  • the compositions were prepared by adding the detergent (UCD –Ultra Concentrated Detergent) , the microfibrous cellulose as a dispersion, produced from Komagataeibacter bacteria (MFC) , and the surfactant in a non-aqueous solvent in a glass beaker and slowly adding the powder into the beaker at an agitation speed of 150 rpm. After complete addition of the powder, the suspension was stirred at 150 rpm for an additional 15 minutes. The dispersion was transferred into a glass bottle and stored at 24 °C or 40 °C. The particle size distribution was measured using a Mastersizer 300 laser diffraction particle size analyzer from Malvern analytical.
  • the MFC dispersion contains water, activating agents, and about 1.5 wt. %of microfibrous cellulose.
  • Comparative Examples 1 to 7 are directed to compositions containing the components as per Table 2.
  • the compositions were prepared based on the protocol described above for Examples 1 to 9.
  • Opulyn TM 301 contains polymer (styrene acrylate copolymer) particles as opacifier.
  • the particle size distribution was measured using a Mastersizer 300 laser diffraction particle size analyzer from Malvern analytical.
  • Comparative Example 8 corresponds to a 100%Solvay single unit dose ( “SUD” ) .
  • the Solvay SUD formulation comprises 20 wt. %Rhodacal SSA/R, 20 wt. %Rhodasurf L7 AP, 10 wt. %Rhodapex ESB70R, 10 wt. %lauric acid, 8 wt. %monoethanolamine, 5 wt. %glycerol, 22 wt. %propylene glycol and 5 wt. %water.
  • Examples 10 to 13 and Comparative Example 9 were prepared by adding the Solvay SUD in a glass beaker and subsequently slowly adding the powder, the surfactant and a non-aqueous solvent, and a microfibrous cellulose dispersion containing about 0.06 wt. %of microfibrous cellulose in water and activating agents in which the microfibrous cellulose is produced from Komagataeibacter bacteria into the beaker at an agitation speed of 600 rpm. After complete addition of the powder, the suspension was stirred at 800 rpm for an additional 30 minutes. The opacity, viscosity and particle size distribution were then measured.
  • the viscosity was measured using a Brookfield DV3T Extra LVT rheometer using a spindle 63 at shear rates from 0.1 to 50 rpm.
  • the particle size distribution was measured using a Mastersizer 300 laser diffraction particle size analyzer from Malvern analytical.
  • the whiteness ⁇ L was determined using the L*a*b*colour space.
  • L*whiteness of a composition was measured using the spectrocolorimeter DR LANGE LUCI 100 (measuring geometry d/8° acc. to DIN 5033) .
  • the whiteness ⁇ E was determined for each example (i.e., Examples 10 –13) and both comparative examples (i.e., Comparative Examples 8 and 9) by the following formula:
  • ⁇ L*, ⁇ a*, and ⁇ b* are determined based on measuring the L*, a*, and b*of the SUD alone (without the opacifying mineral powder, MFC dispersion, and the solvent and surfactant) which is the reference, and then measuring the L*, a*, and b*for each example and comparative example (i.e., the SUD with the opacifying mineral powder, MFC dispersion, and the solvent and surfactant) .
  • the ⁇ L* L* (only the SUD before adding the opacifying mineral powder, MFC dispersion, and the solvent and surfactant) –L* (the SUD after adding the opacifying mineral powder, MFC dispersion, and the solvent and surfactant) .
  • ⁇ a a* (only the SUD before adding the opacifying mineral powder, MFC dispersion, and the solvent and surfactant) –a*(the SUD after adding the opacifying mineral powder, MFC dispersion, and the solvent and surfactant)
  • ⁇ b b* (only the SUD before adding the opacifying mineral powder, MFC dispersion, and the solvent and surfactant) –b* (the SUD after adding the opacifying mineral powder, MFC dispersion, and the solvent and surfactant) .
  • An Agera Spectrophotometer available from HunterLab was used.
  • the MFC dispersion contains water, activating agents, and about 1.6 wt. %of microfibrous cellulose.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Inorganic Chemistry (AREA)
  • Dermatology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention concerne des compositions contenant un minéral opacifiant ayant un indice de réfraction d'au moins 1,4, de la cellulose microfibreuse, un solvant non aqueux, et éventuellement, un tensioactif.
PCT/CN2022/141846 2022-12-26 2022-12-26 Compositions opacifiantes contenant un solvant non aqueux WO2024138300A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/141846 WO2024138300A1 (fr) 2022-12-26 2022-12-26 Compositions opacifiantes contenant un solvant non aqueux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/141846 WO2024138300A1 (fr) 2022-12-26 2022-12-26 Compositions opacifiantes contenant un solvant non aqueux

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WO2024138300A1 true WO2024138300A1 (fr) 2024-07-04

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62172099A (ja) * 1986-01-24 1987-07-29 ダイセル化学工業株式会社 分散安定性の優れた液状クレンザ−組成物
US20130047893A1 (en) * 2010-05-12 2013-02-28 Stora Enso Oyj Composition comprising microfibrillated cellulose and a process for the production of a composition
DE102016211017A1 (de) * 2016-06-21 2017-03-30 Henkel Ag & Co. Kgaa Mikrofibrillencellulose enthaltende pflegende Reinigungszusammensetzungen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62172099A (ja) * 1986-01-24 1987-07-29 ダイセル化学工業株式会社 分散安定性の優れた液状クレンザ−組成物
US20130047893A1 (en) * 2010-05-12 2013-02-28 Stora Enso Oyj Composition comprising microfibrillated cellulose and a process for the production of a composition
DE102016211017A1 (de) * 2016-06-21 2017-03-30 Henkel Ag & Co. Kgaa Mikrofibrillencellulose enthaltende pflegende Reinigungszusammensetzungen

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