WO2019155097A1 - Procédé d'obtention de nanoparticules d'argiles et produit élaboré avec lesdites nanoparticules d'argiles - Google Patents

Procédé d'obtention de nanoparticules d'argiles et produit élaboré avec lesdites nanoparticules d'argiles Download PDF

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Publication number
WO2019155097A1
WO2019155097A1 PCT/ES2018/070093 ES2018070093W WO2019155097A1 WO 2019155097 A1 WO2019155097 A1 WO 2019155097A1 ES 2018070093 W ES2018070093 W ES 2018070093W WO 2019155097 A1 WO2019155097 A1 WO 2019155097A1
Authority
WO
WIPO (PCT)
Prior art keywords
clays
nano
procedure according
carried out
particle size
Prior art date
Application number
PCT/ES2018/070093
Other languages
English (en)
Spanish (es)
Inventor
Cayetano MONTESA GIMENO
Marco Antonio Montesa Gimeno
Original Assignee
Montesa Productos Cerámicos, S.A.
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 Montesa Productos Cerámicos, S.A. filed Critical Montesa Productos Cerámicos, S.A.
Priority to PCT/ES2018/070093 priority Critical patent/WO2019155097A1/fr
Publication of WO2019155097A1 publication Critical patent/WO2019155097A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K33/00—Medicinal preparations containing inorganic active 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
    • C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type

Definitions

  • the present invention relates to the process for obtaining nano-particles of clays, the latter, suitable for use, for example, as raw material for cosmetic products or products of any other sector in which nano-particles have been used of clays obtained by chemical synthesis or "Bottom-up" method.
  • clays are extracted from natural deposits and are particularly rich in minerals, constituting a natural sediment in high demand today for multiple applications.
  • clays have always been used, both for cosmetic and medical uses.
  • clays are used as natural therapy. Among its many benefits and properties they contain, they are cleansing, detoxifying and antiseptic because, if used internally, they absorb toxic substances.
  • A) Yes They are regenerating and healing due to one of its components, silica. Due to their high content in trace elements they are also very remineralizing.
  • clays are mostly used in skin treatments.
  • formulation of multiple products from face masks, body creams and shower gels to shampoos and toothpastes.
  • clays contain minerals with a known positive influence on fluid balance and skin cell structure.
  • the particular composition of the clays causes a remineralizing and slimming effect.
  • the clays have a calming effect on irritated skin, balance redness due to their mineral composition and leave an exceptionally pleasant and positive skin sensation.
  • Clays intended for cosmetic applications are selected by evaluating the following requirements:
  • clays Like the selection of clays, their particle size is an important detail to consider in order to enhance the properties of said clays in cosmetic products.
  • the factors that determine dermal penetration are: the nature, physical condition and structure of the products; the type of vehicle in which said products are suspended or dissolved; as well as, hydration and skin condition.
  • Clays in their natural state have a size that, by decision, is less than 0.002 mm. This size can be considered as a large particle, which hinders its penetration through the skin's dermal barriers. b) Type of vehicle in which the clays are suspended.
  • the vehicle or compound used to facilitate the application of the product can modify its penetration capacity.
  • the suspension and concentration of clay in the vehicle will condition its permeability.
  • the clays are applied to the skin suspended in water, that is, using a hydrophilic vehicle;
  • a lipophilic vehicle can penetrate the product into the dermal layers of the skin 200 times faster than with water.
  • Bottom-up techniques being a chemical ascending method that refers to the construction of structures atom by atom or molecule by molecule.
  • Said “Bottom-up” method comprises the following parts: a) Chemical synthesis: technique in which raw materials such as molecules or particles are produced, which can be used directly as a product or to manufacture more advanced or complex materials.
  • Self-assembly a technique in which atoms or molecules sort themselves into nanostructures through physical and / or chemical interactions between the basic units. Self-assembly has always occurred in nature, as it is the basis of the formation of every living organism, salt crystals, and snowflakes.
  • Positional assembly atoms, molecules or their aggregates are deliberately manipulated and positioned one by one.
  • the object of the invention is a method of obtaining nano-particles from clays, the latter, suitable for use, for example, as raw material in cosmetic products, or in other products of any other sector in which clay nanoparticles obtained by chemical synthesis or "Bottom-up" method have been used.
  • the technical problem to be solved is the reduction of the particle size of said clays to submicron or nano-metric levels, without affecting the intrinsic characteristics thereof.
  • the procedure for obtaining the clay nanoparticle to be patented is based on the "Top-down" or top-down technique, and comprises the following steps: a) select the clays to be treated,
  • step b) pre-grind the selected clays, in step a) until their particle size is reduced between 5 mm and 15 microns,
  • step c) grind the pre-milled clays in step b) until their particle size is reduced to nano-metric dimensions below a mere.
  • the present invention relates to a product based on clay nano-particles, for example, a cosmetic product, such as a body cream or a face mask, comprising between 15% and 45% nano-particles. of clays with particle size below one mill, obtained according to the "Top-down" procedure, or top-down, subject to The present invention.
  • a cosmetic product such as a body cream or a face mask
  • the present invention relates to a method of obtaining nano-particles of clays, useful for use as raw material, for example, cosmetic products or products of any other sector in which nano-particles of clays obtained by chemical synthesis or "Bottom-up" method have been used.
  • the procedure begins with the selection of the most suitable clays to be treated.
  • the clays will be selected based on a mineralogical and chemical analysis.
  • the selected clays constitute 100% of the composition to be treated, so that the cleanest veins are chosen and then complete and exhaustive analyzes are carried out comparing the minerals that compose them and choosing the most suitable ones.
  • the selected clays may or may not be washed at the site itself.
  • the clays In the event that the clays have not been washed in the reservoir, they will be mixed with water until the mixture takes the form of a slip, that is, a mixture of muddy or almost liquid consistency in order to remove impurities.
  • the impurity-free mixture will remain stable over time by means of a stirrer to prevent sedimentation, and even preservatives could be added to the mixture in order to avoid problems by contamination at the microbiological level.
  • the selected clays, included in the impurity-free mixture described above are pre-milled until their particle size is reduced between 5 mm and 15 microns.
  • this wet pre-milling of the clays is carried out in a ball mill, using the water itself added prior to the selected clay not washed in the reservoir.
  • the drying is carried out in a drying chamber using a hot inert gas at low pressure thus creating a disintegration and circulation effect that allows rapid drying with a minimum heating of the solid material, that is, the clay.
  • the water evaporates, ensuring the particle size obtained in the mill, that is, between 5 mm and 15 microns.
  • the selected clay has been washed in the deposit itself, it is directly pre-ground until its particle size is reduced between 5 mm and 15 microns.
  • this dry or wet pre-milling of the clays is carried out in a ball mill, using alumina balls.
  • the grinding time will depend on the initial particle size and the hardness of the material.
  • the pre-ground clays previously ground again, this time, until their particle size is reduced to nano-metric dimensions below one mill.
  • This new grinding of the clays will be carried out in an aqueous medium, so that they can be introduced in the subsequent formulations of products based on nano-particles of clays in which, for example, cosmetic formulations or other product formulations of any another sector in which nano-particles of clays obtained by chemical synthesis or "Bottom-up" system have also been used.
  • said milling be performed in an attrition mill.
  • the pre-milled clays with particle size between 5 mm and 15 microns, are introduced into the mill's milling chamber together with the aqueous milling medium and balls, the latter, preferably, of zirconium oxide with a size between 0.3 and 0.4 mm; where, they are agitated strongly product of the high speed of rotation, between 25 and 50 Hz (1500 and 3000 rpm), of the attrition mill, causing the impact of the zirconium oxide balls with the clays, until reducing their particle size below a miera.
  • clay suspension with the required granulometry is obtained, that is, with nano-particles with a size below a mill
  • this can be used in the formulation of products based on clay nano-particles, for example, cosmetic products or products from other sectors in which it has been used
  • Clay nano-particle obtained by chemical synthesis or "Bottom-up" system is obtained by chemical synthesis or "Bottom-up" system.
  • a product based on clay nano-particles for example, a cosmetic product, comprises between 15% and 45% of clay nano-particles with particle size below a mere, obtained according to the procedure described above.
  • a first embodiment of the cosmetic product could be a body cream that comprises:
  • NMF sodium lauryl glyceryl stearate, sodium glutamate, stearoillactilate
  • T oil GTCC 1% -10% of T oil GTCC (caprylic / capricotriglycerides),
  • a second embodiment of the cosmetic product could be a facial mask comprising: - 2% -9% protect NMF (sodium lauryl glyceryl stearate, sodium glutamate, stearoillactilate),

Abstract

La présente invention concerne un procédé d'obtention de nanoparticules d'argiles, par exemple, qui peuvent être utilisées pour servir de matière première de produits cosmétiques ou d'un autre secteur quelconque dans lesquels on a utilisé les nanoparticules d'argiles obtenues par synthèse chimique ou procédé "ascendant", qui inclut les étapes consistant à sélectionner les argiles à traiter, pré-broyer lesdites argiles sélectionnées jusqu'à réduire leur taille de particule entre 5 mm et 15 microns, et ensuite, les broyer jusqu'à réduire leur taille de particule à des dimensions nanométriques en-deçà d'un micron. .. L'invention concerne également un produit cosmétique ou de tout autre secteur qui comprend entre 15% et 45% de nanoparticules d'argiles obtenues suivant le procédé "descendant" antérieur.
PCT/ES2018/070093 2018-02-09 2018-02-09 Procédé d'obtention de nanoparticules d'argiles et produit élaboré avec lesdites nanoparticules d'argiles WO2019155097A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/ES2018/070093 WO2019155097A1 (fr) 2018-02-09 2018-02-09 Procédé d'obtention de nanoparticules d'argiles et produit élaboré avec lesdites nanoparticules d'argiles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2018/070093 WO2019155097A1 (fr) 2018-02-09 2018-02-09 Procédé d'obtention de nanoparticules d'argiles et produit élaboré avec lesdites nanoparticules d'argiles

Publications (1)

Publication Number Publication Date
WO2019155097A1 true WO2019155097A1 (fr) 2019-08-15

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Country Status (1)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2311879T3 (es) * 2003-10-30 2009-02-16 Mcneil-Ppc, Inc. Materiales compuestos que comprenden nanoparticulas exfoliadas cargadas con metales.
WO2011101508A1 (fr) * 2010-02-16 2011-08-25 Nanobiomatters Industries, S. L. Procédé d'obtention de particules de phyllosilicates lamellaires à taille contrôlée et produits obtenus selon ce procédé

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2311879T3 (es) * 2003-10-30 2009-02-16 Mcneil-Ppc, Inc. Materiales compuestos que comprenden nanoparticulas exfoliadas cargadas con metales.
WO2011101508A1 (fr) * 2010-02-16 2011-08-25 Nanobiomatters Industries, S. L. Procédé d'obtention de particules de phyllosilicates lamellaires à taille contrôlée et produits obtenus selon ce procédé

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Beneficios en Aplicaciones Cosméticas", ARGILA KIMBERLITO DO BRASIL. 850 MILLONES DE AÑOS PARA FORMAR LA ARCILLA MAS PODEROSA PARA REJUVENECIMIENTO, 26 October 2016 (2016-10-26), pages 1 - 14, XP055629259, Retrieved from the Internet <URL:http://braziliankimberliteclay.com/wp-content/uploads/2016/07/Brazilian-Kimberlite-Clay-Brochura-Espanol.pdf> [retrieved on 20181030] *
AE CHEMIE PRODUCT LINE 2011, 2011, Retrieved from the Internet <URL:https://docplayer.net/23877983-Ae-chemie-product-line-2011.html> [retrieved on 20181031] *

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