WO2021087207A8 - Synthesis of hollow silica particles and use in sun care compositions - Google Patents

Synthesis of hollow silica particles and use in sun care compositions Download PDF

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Publication number
WO2021087207A8
WO2021087207A8 PCT/US2020/058120 US2020058120W WO2021087207A8 WO 2021087207 A8 WO2021087207 A8 WO 2021087207A8 US 2020058120 W US2020058120 W US 2020058120W WO 2021087207 A8 WO2021087207 A8 WO 2021087207A8
Authority
WO
WIPO (PCT)
Prior art keywords
silica particles
hollow silica
care compositions
synthesis
sun care
Prior art date
Application number
PCT/US2020/058120
Other languages
French (fr)
Other versions
WO2021087207A1 (en
Inventor
Jie XIONG
Fanwen Zeng
Wenjun XU
Dean Millar
Leslie E. O'LEARY
Michael W. LEONARD
Gary W. DOMBROWSKI
Leon Marteaux
Ralph C. EVEN
Original Assignee
Dow Global Technologies Llc
Rohm And Haas Company
Dow Silicones Corporation
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 Dow Global Technologies Llc, Rohm And Haas Company, Dow Silicones Corporation filed Critical Dow Global Technologies Llc
Publication of WO2021087207A1 publication Critical patent/WO2021087207A1/en
Publication of WO2021087207A8 publication Critical patent/WO2021087207A8/en

Links

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
    • A61K8/0279—Porous; Hollow
    • 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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/58—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus
    • A61K8/585—Organosilicon compounds
    • 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
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
    • 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
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/003—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C01P2004/34—Spheres hollow
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Organic Chemistry (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dermatology (AREA)
  • Inorganic Chemistry (AREA)
  • Cosmetics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Described herein are hollow silica particles, processes for making hollow silica particles, and uses of hollow silica particles in sun care compositions. To form the hollow silica particles, swellable latex seeds are used to template the deposition of continuous silica shell, and voids are created by collapsing the swollen latex upon drying. Preferably, the process for making hollow silica particles comprises forming latex seeds for use as a template, depositing silica shells on the latex seeds, and collapsing the latex seeds to afford hollow silica particles.
PCT/US2020/058120 2019-10-30 2020-10-30 Synthesis of hollow silica particles and use in sun care compositions WO2021087207A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962928184P 2019-10-30 2019-10-30
US62/928,184 2019-10-30

Publications (2)

Publication Number Publication Date
WO2021087207A1 WO2021087207A1 (en) 2021-05-06
WO2021087207A8 true WO2021087207A8 (en) 2021-06-03

Family

ID=73544363

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2020/058120 WO2021087207A1 (en) 2019-10-30 2020-10-30 Synthesis of hollow silica particles and use in sun care compositions

Country Status (1)

Country Link
WO (1) WO2021087207A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9278866B2 (en) * 2005-08-10 2016-03-08 The Procter & Gamble Company Hollow silica particles, compositions comprising them, and methods for making same
BRPI1006575A2 (en) * 2009-04-10 2016-02-10 Oreal UV protection compositions and process for protecting a keratin tissue
CN105271264B (en) * 2015-09-28 2017-07-14 常州大学 A kind of preparation method of monodispersed hollow silica bead
US10813875B2 (en) * 2018-04-23 2020-10-27 L'oreal Memory shape sunscreen composition

Also Published As

Publication number Publication date
WO2021087207A1 (en) 2021-05-06

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