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WO2023013534A1 - Composition visqueuse - Google Patents

Composition visqueuse Download PDF

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Publication number
WO2023013534A1
WO2023013534A1 PCT/JP2022/029241 JP2022029241W WO2023013534A1 WO 2023013534 A1 WO2023013534 A1 WO 2023013534A1 JP 2022029241 W JP2022029241 W JP 2022029241W WO 2023013534 A1 WO2023013534 A1 WO 2023013534A1
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WO
WIPO (PCT)
Prior art keywords
water
cellulose
composition
oil
composition according
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2022/029241
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English (en)
Japanese (ja)
Inventor
香澄 茂川
真智子 中川
博史 山口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Seika Chemicals Co Ltd
Original Assignee
Sumitomo Seika Chemicals Co Ltd
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
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Priority to JP2023540309A priority Critical patent/JPWO2023013534A1/ja
Publication of WO2023013534A1 publication Critical patent/WO2023013534A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids
    • C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02—Cellulose; Modified cellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes

Definitions

  • the present invention relates to a viscous composition and the like, and more particularly to a viscous composition containing a water-soluble cellulose derivative.
  • Polymer thickeners are widely used to prepare viscous compositions in various fields, such as cosmetics and food fields.
  • oxidized inorganic compound particles are sometimes mixed with viscous compositions and used as sunscreens.
  • the thickening effect of the polymer thickener may be reduced by the oxidized inorganic compound particles (especially, the viscosity may decrease over time).
  • a composition containing a polymeric thickener and inorganic oxide compound particles may have poor stability.
  • water-soluble cellulose derivatives specifically, hydroxyethyl cellulose (HEC), etc.
  • HEC hydroxyethyl cellulose
  • the oxidized inorganic compound particles reduce their thickening effect, so water-soluble It has not been easy to prepare a viscous composition having excellent viscosity and stability while containing a cellulose derivative and oxidized inorganic compound particles.
  • the present inventors conducted studies to find a novel means of providing a viscous composition having excellent viscosity and stability while containing water-soluble cellulose derivatives and oxide inorganic compound particles.
  • the present inventors have found that a composition containing a water-soluble cellulose derivative, cellulose, oxidized inorganic compound particles, a specific oily component, and water and having an appropriate viscosity contains the water-soluble cellulose derivative and oxidized inorganic compound particles.
  • the inventors have found the possibility of a stable composition in which the viscosity does not easily decrease, and have conducted further investigations.
  • the invention includes, for example, the subject matter described in the following sections.
  • Section 1. A viscous composition containing a water-soluble cellulose derivative, a water-insoluble cellulose, inorganic oxide compound particles, an oily component, and water.
  • Section 2. A composition according to Item 1, wherein the water-soluble cellulose derivative is hydroxyalkylcellulose (preferably HEC).
  • Item 3. The composition according to Item 1 or 2, wherein the water-insoluble cellulose is nanocellulose (preferably cellulose nanocrystals).
  • Section 4. Item 4. The composition according to any one of items 1 to 3, wherein the inorganic oxide compound is at least one selected from the group consisting of zinc oxide and titanium oxide.
  • Item 5. Item 5.
  • the acylglycerol is an acylglycerol having a structure in which at least capric acid is ester-bonded to glycerin, the polysiloxane is a polyorganosiloxane; Item 6.
  • Item 9. The composition according to any one of Items 1 to 8, which has a viscosity of 5000 to 30000 mPa ⁇ s at 25°C.
  • the water-soluble cellulose derivative is hydroxyethyl cellulose
  • the water-insoluble cellulose is a cellulose nanocrystal
  • the inorganic oxide compound is at least one selected from the group consisting of zinc oxide and titanium oxide
  • the oily component is at least one selected from the group consisting of acylglycerol and polysiloxane
  • Viscosity at 25 ° C. is 5000 to 30000 mPa s, It is an O / W type emulsion composition, Item 1.
  • a viscous composition containing a water-soluble cellulose derivative and oxidized inorganic compound particles and having excellent stability is provided.
  • the present invention preferably includes, but is not limited to, a viscous composition, a method for producing the same, and the like, and the present invention includes everything disclosed herein and recognized by a person skilled in the art.
  • the viscous composition included in the present invention contains a water-soluble cellulose derivative, cellulose, oxidized inorganic compound particles, a specific oily component, and water.
  • the viscous composition included in the present invention is sometimes referred to as "the composition of the present invention”.
  • Water-soluble as used herein means exhibiting a solubility of 0.1% by mass or more in water at 25°C.
  • the term "exhibiting solubility” refers to, for example, a state in which a transparent solution can be visually confirmed after a water-soluble cellulose derivative is added to water and sufficiently stirred, or a state in which precipitation does not occur.
  • a cellulose derivative having a hydroxy group is preferable, and a hydroxyalkyl cellulose is more preferable.
  • the alkyl group of hydroxyalkylcellulose is preferably an alkyl group having 1 to 6 carbon atoms (1, 2, 3, 4, 5, or 6), more preferably a methyl group, an ethyl group, or a propyl group.
  • Hydroxyalkyl cellulose may have different alkyl groups. More specifically, hydroxymethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose and the like are preferred. Among them, hydroxyethyl cellulose (HEC) is particularly preferred.
  • Non-cross-linked HEC hydroxyethyl cellulose not cross-linked with a cross-linking agent
  • cross-linked HEC hydroxyethyl cellulose cross-linked with a cross-linking agent
  • Cross-linking agents include polyaldehyde compounds such as glutaraldehyde and glyoxal (preferably dialdehyde compounds), 2,2-bishydroxymethylbutanol-tris[3-(1-aziridinyl)propionate], 1,8-hexa
  • polyaldehyde compounds such as glutaraldehyde and glyoxal (preferably dialdehyde compounds), 2,2-bishydroxymethylbutanol-tris[3-(1-aziridinyl)propionate], 1,8-hexa
  • polyvalent aziridine compounds such as methylenediethylene urea
  • polyvalent isocyanate compounds such as tolylene diisocyanate and hexamethylene diisocyanate.
  • dialdehyde compounds are preferred, and glyoxal is particularly preferred.
  • a crosslinking agent can be used individually by 1 type or in combination of 2 or more types.
  • the crosslinked HEC preferably has a crosslinker content of 0.05% by mass or more, more preferably about 0.05 to 2% by mass.
  • the upper limit or lower limit of the content ratio range of the cross-linking agent is 0.05, 0.06, 0.07, 0.08, 0.09, 0.1, 0.11, 0.12, 0.13, 0. 14, 0.15, 0.16, 0.17, 0.18, 0.19, 0.2, 0.21, 0.22, 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.29, 0.3, 0.31, 0.32, 0.33, 0.34, 0.35, 0.36, 0.37, 0.38, 0.
  • the cross-linking agent content ratio range is 0.1 to 1% by mass. In particular, 0.35% by mass or more is preferable, and 0.35 to 1% by mass is particularly preferable.
  • Cross-linking of hydroxyethyl cellulose with a cross-linking agent can be carried out by a known method or a method that can be easily conceived from known methods.
  • the method described in JP-B-58-43402 can be used.
  • HEC (including non-crosslinked HEC and crosslinked HEC) preferably has a viscosity of 4000 mPa s or more at 25°C in a 1.33% by mass (w/w%) aqueous solution, more preferably 4000 to 18000 mPa s. preferable.
  • the upper or lower limit of the viscosity range is 4100, 4200, 4300, 4400, 4500, 4600, 4700, 4800, 4900, 5000, 5100, 5200, 5300, 5400, 5500, 5600, 5700, 5800, 5900, 6000, 6100 , 6200, 6300, 6400, 6500, 6600, 6700, 6800, 6900, 7000, 7100, 7200, 7300, 7400, 7500, 7600, 7700, 7800, 7900, 8000, 8100, 8200, 8300, 8400, 8500, 8600 , 8700, 8800, 8900, 9000, 9100, 9200, 9300, 9400, 9500, 9600, 9700, 9800, 9900, 10000, 10100, 10200, 10300, 10400, 10500, 10600, 10700, 10800, 110000, 110000 ⁇ 11200 ⁇ 11300 ⁇ 11400 ⁇ 11500 ⁇ 11600 ⁇ 11700 ⁇ 11800 ⁇ 11900 ⁇ 12000 ⁇ 12
  • HEC (including non-crosslinked HEC and crosslinked HEC) preferably has a molecular weight of about 1,800,000 to 4,300,000. ⁇ 1900000 ⁇ 2000000 ⁇ 2100000 ⁇ 2200000 ⁇ 2300000 ⁇ 2400000 ⁇ 2500000 ⁇ 2600000 ⁇ 2700000 ⁇ 2800000 ⁇ 2900000 ⁇ 3000000 ⁇ 3100000 ⁇ 3200000 ⁇ 3300000 ⁇ 3400000 ⁇ 3500000 ⁇ 3600000 ⁇ 3700000 ⁇ 3800000 ⁇ 3900000 , 4000000, 4100000, or 4200000 are more preferred. More preferably, the molecular weight range is from 1,900,000 to 4,200,000.
  • the said molecular weight is a weight average molecular weight calculated
  • GPC gel permeation chromatography
  • a column for measuring the weight average molecular weight by polyethylene glycol conversion by GPC Shodex OHpak SB-807HQ, Shodex OHpak SB-806HQ, Shodex OHpak SB-804HQ and the like are preferable.
  • GPC gel permeation chromatography
  • R is an alkyl group, especially a linear or branched chain having 6 to 20 carbon atoms (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, or 20) Those having an alkyl group (more specifically, for example, a cetyl group) may be used, but are preferably not used.
  • Cellulose is a water-insoluble substance, and the cellulose used in the composition of the present invention is also water-insoluble cellulose.
  • water-insoluble means something that is not “water-soluble”.
  • cellulose crystalline cellulose and nanocellulose are preferable, and nanocellulose is more preferable.
  • nanocelluloses cellulose nanocrystals (CNC) are preferred.
  • cellulose nanocrystals are a type of nanocellulose.
  • cellulose nanofibers (CNF) and cellulose nanocrystals (CNC) are examples of nanocellulose made from wood or the like.
  • CNF cellulose nanofibers
  • CNC cellulose nanocrystals
  • nanocellulose with a length of approximately 5-10 ⁇ m or more is often referred to as cellulose nanofibers (CNF)
  • CNC cellulose nanocrystals
  • the nanocrystalline cellulose described in Patent Document 1 Japanese Patent Publication No. 2012-531478 can be preferably used.
  • Cellulose is a natural polymeric material that together with hemicellulose and lignin constitute woody and agricultural biomass. It is a homopolymer of repeating units of glucose linked by ⁇ -1,4-glycosidic bonds. Cellulose is formed into linear chains by ⁇ -1,4-glycosidic bonds, which interact strongly with each other through hydrogen bonds. Due to their regular structure and strong hydrogen bonding, cellulose polymers are highly crystalline and aggregate to form substructures and microfibrils. The microfibrils then aggregate to form cellulosic fibers.
  • Purified cellulose from woody or agricultural biomass can be degraded or produced on a large scale by bacterial processes.
  • cellulosic materials are composed of nano-sized fibers and the properties of the material are determined by the structure of the nanofibers, these polymers are said to be nanocellulose.
  • nanocellulose is rod-shaped fibrils with a length/diameter ratio of approximately 20-200.
  • nanocellulose can be prepared from chemical pulps, for example wood fibers or agricultural fibers, by removing the amorphous regions, mainly by acid hydrolysis, to produce nano-sized fibrils.
  • Cellulose nanocrystals can be generated and stabilized in aqueous suspension by, for example, sonicating the fibrils or passing them through a high shear microfluidizer.
  • the second method is mainly physical processing.
  • Microfibril bundles usually called cellulose microfibrils or microfibrillated cellulose, with a diameter of several tens of nanometers (nm) to several micrometers ( ⁇ m) are produced by using high-pressure homogenization and pulverization processes. .
  • a process using high intensity sonication has also been used to isolate fibrils from native cellulose fibers.
  • High-intensity ultrasound can produce very strong mechanical vibratory forces, thus enabling the separation of cellulose fibrils from biomass.
  • This method produces microfibrillated cellulose having a diameter of less than about 60 nm, more preferably from about 4 nm to about 15 nm, and a length of less than 1000 nm.
  • the microfibrillated cellulose can, for example, also be subjected to further chemical, enzymatic and/or mechanical treatments.
  • the microfibrillated cellulose can also be used as cellulose nanocrystals.
  • the cellulose nanocrystals when cellulose nanocrystals are used as cellulose in the composition of the present invention, the cellulose nanocrystals can be obtained, for example, from pulp by removing non-crystalline regions by acid hydrolysis, or by high pressure treatment, pulverization treatment. , by physical treatment such as ultrasonic treatment (or by using them in combination).
  • the cellulose portion of the cellulose nanocrystals used in the composition of the present invention may be cellulose sulfate (cellulose sulfate).
  • a sodium salt is preferred as the salt. That is, the cellulose portion of the cellulose nanocrystals used in the composition of the present invention is preferably sodium cellulose sulfate.
  • cellulose nanocrystals indicates nano-sized cellulose crystals.
  • the cellulose is preferably unmodified or modified.
  • Preferred examples of modified cellulose include cellulose sulfate (especially sodium cellulose sulfate), as described above.
  • nanocellulose with a thickness of about 1 to 100 nm and a length of about 50 to 500 nm is preferable.
  • the upper or lower limit of the thickness range (1 to 100 nm) is 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98 or 99 nm are preferred.
  • the thickness range is more preferably 2 to 99 nm.
  • the upper or lower limit of the length range (50 to 500 nm) is 220, 230, 240, 250, 260, 270, 280, 290, 300, 310, 320, 330, 340, 350, 360, 370, 380, 390, 400, 410, 420, 430, 440, 450, 460, 470, 480 or 490 nm are preferred. More preferably, the length range is from 60 to 490 nm.
  • the CNC preferably has a ratio of length (nm) to thickness (nm) (length/thickness) of about 1 to 200.
  • the upper or lower limits of the range of said ratios are 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
  • the inorganic oxide compound particles are preferably particles of a known inorganic oxide compound used as a sunscreen component, more specifically, selected from the group consisting of cerium oxide, iron oxide, talc, zinc oxide, and titanium oxide. It is preferably at least one kind of particles that are As the oxidized inorganic compound particles, an oxidized inorganic compound powder is preferable. Moreover, the oxidized inorganic compound particles are preferably hydrophilically treated. Hydrous silica treatment, hydrogen dimethicone treatment, aluminum oxide or aluminum hydroxide treatment, and fatty acid (particularly stearic acid) treatment are preferred as the hydrophilic treatment. Hydrophilic treatment is preferably applied to the particle surface. Moreover, the oxide inorganic compound particles can be used singly or in combination of two or more.
  • the composition of the present invention contains specific oily components.
  • the effect (especially stability improvement) of the composition of the present invention can be exhibited.
  • an oily component can be used individually by 1 type or in combination of 2 or more types.
  • acylglycerol mono-, di-, or triacylglycerols are preferred, and triacylglycerols (triglycerides) are more preferred.
  • Acylglycerol is an ester of glycerin and fatty acid. , or 20) are preferred. The number of carbon atoms is more preferably 8-18, more preferably 8-14. Moreover, it is preferable that it is a linear fatty acid.
  • the fatty acids ester-bonded to glycerin are preferably the same or different.
  • it is preferable to form an ester bond with the OH groups at the 1- and 2-positions of glycerin and it is also preferable to have an ester-bond with the OH groups at the 1- and 3-positions of glycerin.
  • triacylglycerol the fatty acids ester-bonded to glycerol are preferably the same or different, and even if all three fatty acids are different, two of the three fatty acids are preferably the same.
  • acylglycerol having a structure in which at least capric acid is ester-bonded to glycerin is preferable.
  • acylglycerols are preferably glyceryl caprate, glyceryl laurate, glyceryl myristate, glyceryl palmitate, glyceryl stearate, glyceryl isostearate, glyceryl oleate, and the like.
  • Triacylglycerols include tri(caprylic/capric) glyceryl, tricaprate glyceryl, tri-2-ethylhexanoate glyceryl, tri(caprylic/capric/myristic/stearic) glyceryl, tri(caprylic) /capric acid/lauric acid) glyceryl, triisopalmitic acid glyceride, triisostearic acid glyceryl, etc. are preferable.
  • a vegetable oil containing acylglycerol examples include olive fruit oil, castor oil, palm oil, camellia oil, sunflower oil, corn oil, macadamia nut oil, soybean oil, avocado oil, and the like. .
  • Acylglycerol can be used singly or in combination of two or more.
  • Polyorganosiloxane is preferable as the polysiloxane.
  • Polyorganosiloxane is a compound having a siloxane bond as a main chain and an organic group as a side chain.
  • the organic group is preferably an alkyl group, an aryl group, an alkoxyl group, a polyoxyalkylene group, an amino group, or the like. More specifically, a methyl group, a vinyl group, an ethyl group, a propyl group, a phenyl group and the like are preferred.
  • Polyorganosiloxanes include dimethylpolysiloxane (dimethicone), diethylpolysiloxane, methylethylpolysiloxane, methyloctylpolysiloxane, methylvinylpolysiloxane, methylphenylpolysiloxane (trimethylsiloxyphenyldimethicone), octamethyltetracyclosiloxane, methyl Phenylpolysiloxane (diphenyldimethicone), decamethylcyclopentasiloxane (cyclopentasiloxane), aminoethylaminopropylsiloxane-dimethylsiloxane copolymer (amodimethicone), and the like are preferred.
  • Polysiloxane can be used singly or in combination of two or more.
  • composition of the present invention contains water as a solvent.
  • a solvent other than water may be further contained within a range that does not impair the effects of the composition of the present invention.
  • Solvents other than water include, for example, water-soluble solvents, and water-soluble organic solvents are preferred.
  • Specific examples of water-soluble organic solvents include monohydric alkyl alcohols having 1 to 6 carbon atoms (1, 2, 3, 4, 5, or 6), and more specific examples include ethanol. be done.
  • the composition of the present invention preferably has a viscosity of 5000 to 30000 mPa ⁇ s at 25°C.
  • the upper or lower limits of the viscosity range are , 7200, 7300, 7400, 7500, 7600, 7700, 7800, 7900, 8000, 8100, 8200, 8300, 8400, 8500, 8600, 8700, 8800, 8900, 9000, 9100, 9200, 9300, 9400, 9500, 9600 , 9700, 9800, 9900, 10000, 10100, 10200, 10300, 10400, 10500, 10600, 10700, 10800, 10900, 11000, 11100, 11200, 11300, 11400, 11500, 11600, 121000, 1210000, 12100000, 12100000, 12100000 ⁇ 12200 ⁇ 12300 ⁇ 12400 ⁇ 12500 ⁇ 12600 ⁇ 12700 ⁇ 12800 ⁇ 12900 ⁇ 13000 ⁇ 13100 ⁇ 13200 ⁇ 13300 ⁇ 13400 ⁇ 13500 ⁇ 13600 ⁇ 13700 ⁇ 13
  • the viscosity is a value measured at 25°C using a rotational viscometer manufactured by BrookField (model number: DV1MRVTJ0) with a rotational speed of 20 revolutions per minute.
  • the spindle used for measurement should be rotor No. when the pressure is less than 2,000 mPa ⁇ s. 3.
  • Rotor No. in the case of 2,000 mPa ⁇ s or more and less than 5,000 mPa ⁇ s. 4, 5,000 mPa ⁇ s or more and less than 15,000 mPa ⁇ s, rotor No. 5, 15,000 mPa ⁇ s or more and less than 40,000 mPa ⁇ s, rotor No. Rotor No. 6, 40,000 mPa ⁇ s or more. 7.
  • the content ratio of the water-soluble cellulose derivative and the water-insoluble cellulose in the composition of the present invention is preferably about 0.05 to 1 part by mass of the water-insoluble cellulose per 1 part by mass of the water-soluble cellulose derivative.
  • the upper or lower limit of the range is 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.55, 0.25, 0.35, 0.4, 0.45, 0.5, 0.55. 6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9 or 0.95 are preferred. More preferably, the range is 0.1 to 0.8.
  • the water-insoluble cellulose content in the composition of the present invention is preferably about 0.05 to 5% by mass.
  • the upper or lower limit of the range is 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8 or 4.9% by weight are preferred. More preferably, the range is 0.1 to 2% by mass.
  • the content of the water-soluble cellulose derivative in the composition of the present invention is preferably about 0.1 to 5% by mass.
  • the upper or lower limit of the range is 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8 or 4.9% by weight are preferred. More preferably, the range is 0.2 to 2% by mass.
  • the content of the inorganic oxide compound particles in the composition of the present invention is preferably about 1 to 10% by mass.
  • the upper or lower limit of the range is preferably 2, 3, 4, 5, 6, 7, 8, or 9% by mass. More preferably, the range is about 2 to 8% by mass.
  • the content of the specific oily component in the composition of the present invention is preferably about 1 to 25% by mass.
  • the upper or lower limit of the range is 23 or 24% by mass is preferred. More preferably, the range is about 2 to 20% by mass.
  • the composition of the present invention preferably suppresses a decrease in viscosity while containing the water-soluble cellulose derivative and the inorganic oxide compound particles. More specifically, for example, even if the composition of the present invention is stored at 50 ° C. for 30 days immediately after production, the ratio of the viscosity after storage compared to the viscosity before storage (viscosity retention rate) is preferably 65% to 100%, more preferably 70% to 95%.
  • composition of the present invention may contain ingredients other than those mentioned above as long as the effects are not impaired.
  • examples of such components include carriers and components known in the fields of pharmaceuticals, cosmetics, and foods.
  • surfactants known in the above fields can be used.
  • nonionic surfactants and anionic surfactants are preferred, and nonionic surfactants are more preferred.
  • polyoxyethylene sorbitan fatty acid ester, polyoxyethylene glycerin fatty acid ester, polyoxyethylene fatty acid ester, polyoxyethylene hydrogenated castor oil, glycerin fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene sorbitan Fatty acid esters, sucrose fatty acid esters, polyoxyethylene alkyl ethers, polyoxyalkylene derivatives, fatty acid alkanolamides and the like are preferred.
  • Surfactant can be used individually by 1 type or in combination of 2 or more types.
  • the polyoxyethylene in the polyoxyethylene sorbitan fatty acid ester is preferably condensed with about 20 to 100 molecules of ethylene oxide. Those having about 20, 40, 60, 80, or 100 condensations are preferred.
  • the content of the surfactant is preferably about 0.05-5% by mass.
  • the upper or lower limit of the range is preferably 0.1, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, or 4.5% by mass. More preferably, the range is 0.1 to 2% by mass.
  • the composition of the present invention is preferably a viscous emulsion composition (viscous emulsion composition).
  • viscous emulsion composition when the composition of the present invention contains a surfactant, it can be emulsified by stirring during preparation because it contains oil and fat components, water, and a surfactant.
  • the composition of the present invention is an emulsion composition, it is preferably an O/W type (oil-in-water type) emulsion composition.
  • polyhydric alcohols known in the above fields can be used.
  • Dihydric or trihydric alcohols and sugar alcohols are preferred as polyhydric alcohols.
  • Preferred are alkyl glycols having 2 to 6 carbon atoms (2, 3, 4, 5, or 6), more specifically ethylene glycol, propylene glycol, butylene glycol, pentylene glycol, dipropylene glycol, hexylene glycol, and the like.
  • alditols thritol, tetritol, pentitol, hexitol
  • a polyhydric alcohol can be used individually by 1 type or in combination of 2 or more types.
  • the content of polyhydric alcohol is preferably about 1 to 20% by mass.
  • the upper or lower limit of the range is preferably 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, or 19% by mass. More preferably, the range is about 5 to 15% by mass.
  • composition of the present invention can be prepared, for example, by mixing water-soluble cellulose derivatives, water-insoluble cellulose, inorganic oxide compound particles, surfactants, polyhydric alcohols, and water. First, it is desirable to mix the water-soluble cellulose derivative and the water-insoluble cellulose, and then mix this with water. Moreover, the inorganic oxide compound particles may be mixed with water in advance before use, or may be used as powder.
  • Both the water-soluble cellulose derivative and the water-insoluble cellulose used for mixing before adding to water are preferably powder.
  • the mixture is preferably powder.
  • the composition of the present invention comprises, for example, a viscous composition prepared by adding a mixture of a water-soluble cellulose derivative and a water-insoluble cellulose to water and mixing as necessary, and further adding oxidized inorganic compound particles, a surfactant, and It can be prepared by adding a polyhydric alcohol.
  • composition of the present invention can preferably be placed in a spray container and sprayed smoothly. Since the composition of the present invention contains a water-soluble cellulose derivative and inorganic oxide compound particles and is a viscous composition that can be sprayed, it can be preferably used as a composition for spraying. When the composition of the present invention is used by spraying, it can be used by filling a manual sprayer.
  • composition of the present invention Since the composition of the present invention has excellent viscosity and viscoelasticity, it is useful in technical fields where there are products that require such properties, such as pharmaceutical fields, cosmetics fields, and food fields. That is, the composition of the present invention can be preferably used as, for example, pharmaceutical compositions, cosmetic compositions, food compositions and the like. Among others, it is suitable for application to the skin as a sunscreen or the like.
  • Viscosity measurement The viscosity of each viscous composition was measured at 25° C. using a rotational viscometer manufactured by BrookField (model number: DV1MRVTJ0) at a rotational speed of 20 revolutions per minute.
  • the spindle used for measurement should be rotor No. when the pressure is less than 2,000 mPa ⁇ s. 3.
  • Rotor No. in the case of 2,000 mPa ⁇ s or more and less than 5,000 mPa ⁇ s. 4, 5,000 mPa ⁇ s or more and less than 15,000 mPa ⁇ s, rotor No. 5, 15,000 mPa ⁇ s or more and less than 40,000 mPa ⁇ s, rotor No. Rotor No. 6, 40,000 mPa ⁇ s or more. 7.
  • Cellulose Nanocrystals manufactured by Alberta-Pacific Forest Industries Inc. was used as crystal nanocellulose.
  • a part of Cellulose Nanocrystals is sodium cellulose sulfate.
  • HEC HEC (CF-Y) (manufactured by Sumitomo Seika Co., Ltd.) was used.
  • HEC (CF-Y) is a cross-linked HEC cross-linked with a cross-linking agent (glyoxal), and the content of the cross-linking agent is 0.55% by mass.
  • Example and Comparative Examples Using the obtained mixture, the water-soluble polymer, water-insoluble cellulose, and oily component were prepared according to the composition shown in Table 1, and further using oxidized inorganic compound particles and a surfactant.
  • Example and Comparative Example compositions were prepared.
  • the oxidized inorganic compound particles were prepared to contain 5% by mass of pure content, and the surfactant was prepared to contain 1% by mass of pure content.
  • the viscosity of the prepared viscous emulsion composition was measured after defoaming with a centrifuge. In addition, the viscosity was measured again after the viscous emulsion composition was stored at 50° C. for one month. The results are also shown in Table 1. In each comparative example, layer separation was observed during storage. Also, the ratio of the viscosity after storage compared to the viscosity before storage is shown as a viscosity retention rate (%). The absolute value of (100(%)-viscosity retention rate (%)) is shown as viscosity change rate (%).

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Cosmetics (AREA)

Abstract

L'invention concerne une composition visqueuse laquelle contient un dérivé de cellulose soluble dans l'eau et des particules de composé inorganique oxydé, et laquelle présente simultanément une excellente stabilité de viscosité. Plus spécifiquement, l'invention concerne une composition visqueuse contenant: un dérivé de cellulose soluble dans l'eau, une cellulose non soluble dans l'eau, des particules de composé inorganique oxydé, un composant à base d'huile, et de l'eau.
PCT/JP2022/029241 2021-08-06 2022-07-29 Composition visqueuse Ceased WO2023013534A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013095834A (ja) * 2011-10-31 2013-05-20 Dow Corning Toray Co Ltd 長鎖炭化水素変性シリコーン・アミノ変性シリコーン共重合体及びその用途
JP2017036217A (ja) * 2015-08-04 2017-02-16 王子ホールディングス株式会社 化粧料
JP2017048181A (ja) * 2015-09-01 2017-03-09 王子ホールディングス株式会社 化粧料
JP2021014567A (ja) * 2019-07-10 2021-02-12 大日精化工業株式会社 樹脂ビーズの製造方法、樹脂ビーズ、及び樹脂ビーズを用いた製品

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013095834A (ja) * 2011-10-31 2013-05-20 Dow Corning Toray Co Ltd 長鎖炭化水素変性シリコーン・アミノ変性シリコーン共重合体及びその用途
JP2017036217A (ja) * 2015-08-04 2017-02-16 王子ホールディングス株式会社 化粧料
JP2017048181A (ja) * 2015-09-01 2017-03-09 王子ホールディングス株式会社 化粧料
JP2021014567A (ja) * 2019-07-10 2021-02-12 大日精化工業株式会社 樹脂ビーズの製造方法、樹脂ビーズ、及び樹脂ビーズを用いた製品

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