WO2003050052A1 - Vitroceramique anti-inflammatoire, antimicrobienne et absorbant les rayons ultraviolets - Google Patents

Vitroceramique anti-inflammatoire, antimicrobienne et absorbant les rayons ultraviolets Download PDF

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Publication number
WO2003050052A1
WO2003050052A1 PCT/EP2002/013889 EP0213889W WO03050052A1 WO 2003050052 A1 WO2003050052 A1 WO 2003050052A1 EP 0213889 W EP0213889 W EP 0213889W WO 03050052 A1 WO03050052 A1 WO 03050052A1
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WO
WIPO (PCT)
Prior art keywords
glass ceramic
glass
ceramic powder
weight
inflammatory
Prior art date
Application number
PCT/EP2002/013889
Other languages
German (de)
English (en)
Inventor
Jörg H. FECHNER
Jose Zimmer
Roland Schnabel
Ina Mitra
Sean Lee
Original Assignee
Schott Glas
Carl-Zeiss-Stiftung Trading As Schott Glas
Carl-Zeiss-Stiftung
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 Schott Glas, Carl-Zeiss-Stiftung Trading As Schott Glas, Carl-Zeiss-Stiftung filed Critical Schott Glas
Priority to AU2002358105A priority Critical patent/AU2002358105A1/en
Publication of WO2003050052A1 publication Critical patent/WO2003050052A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/0007—Compositions for glass with special properties for biologically-compatible glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0009—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing silica as main constituent
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C12/00—Powdered glass; Bead compositions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2204/00—Glasses, glazes or enamels with special properties
    • C03C2204/02—Antibacterial glass, glaze or enamel

Definitions

  • Antimicrobial anti-inflammatory glass ceramic that absorbs UV radiation
  • the invention relates to a glass ceramic and a glass ceramic powder, comprising, as the starting glass, a starting glass which has the following components:
  • the starting glass comprises 35-55% by weight Si0 2 , particularly preferably 40-47% by weight Si0 2 .
  • a glass ceramic has become known from US Pat. No. 5,676,720, which consists of a glass powder with 40-60% by weight SiO 2 , 5-30% by weight Na 2 0, 10-35% by weight CaO, 0-12% by weight P 2 0 5 was produced.
  • US Pat. No. 5,981,412 describes a bioactive bioceramic for medical applications with the crystalline phase Na 2 0 2CaO 3Si0 2 .
  • the crystallite size is 13 ⁇ m.
  • the ceramization takes place with tempering steps for nucleation and crystallization. The focus is on the mechanical properties such as K 1c .
  • the crystal phase fraction is between 34 and 60% by volume.
  • a disadvantage of the glass or glass ceramic known from US 5981412 or US 5,676,720 is that UV radiation has not been reduced to a sufficient extent.
  • a glass-ceramic sintered body has become known from EP 0 297 595 A2, which has good biocompatibility.
  • the glass-ceramic sintered body known from EP 0 297 595 A2 is a potassium phosphate glass ceramic
  • the object of the invention is to provide a glass ceramic and / or a glass ceramic powder which avoids the disadvantages indicated above, in particular efficiently blocks UV radiation.
  • this is achieved in that 0.1-10% by weight of TiO 2 is contained in the starting glass in the case of a glass ceramic and the main crystalline phases are based on alkali-alkaline-earth silicates.
  • the nucleating agent Ti0 2 which also has an absorbing effect in the UV range, into the base glass, effective blocking of the UV radiation can be achieved, the UV edge being able to be set in a defined manner by adding different contents.
  • the desired scattering or reflection effects can be set by ceramizing the base glass with a defined crystallite size.
  • the Control through process parameters, such as. B. cooling rate, etc., but also by the amount of crystal formers added.
  • the glass ceramic or the glass ceramic powder is impermeable to UV radiation or reduces the transmission of UV radiation
  • the glass ceramic shows a defined scattering and reflection effect in the visible wavelength range of the light. This can, for example, reduce the visual appearance of skin folds.
  • the original glass or the glass ceramic has a biocidal, in any case a biostatic effect against bacteria, fungi and viruses, but is skin-friendly and toxicologically harmless in contact with humans.
  • the exposure to heavy metals should be as low as possible.
  • the maximum concentrations of heavy metals are in the range of cosmetic products for Pb ⁇ 20 ppm, Cd ⁇ 5 ppm, As ⁇ 5 ppm, Sb ⁇ 10 ppm, Hg ⁇ 1 ppm, Ni ⁇ 10 ppm.
  • the crystallites of the glass ceramic can be produced with a defined size in the base glass matrix, light scatter that can be set in a defined manner can be achieved and the passage of UV radiation can be specifically reduced.
  • the unceramized starting glass contains Si0 2 as a network former between 30-65% by weight. At lower concentrations, the spontaneous decreases
  • Si0 2 is also a component of the crystalline phases formed during the ceramization.
  • Na 2 0 is used as a flux when melting the glass. At concentrations less than 5%, the melting behavior is negatively affected.
  • Sodium is part of the phases that form during ceramization.
  • K 2 0 acts as a flux when melting the glass. Potassium is also released in aqueous systems.
  • the chemical resistance of the glass and thus the release of ions in aqueous media is adjusted via the P 2 0 5 content.
  • the P 2 0 5 content is between 2 and 10% by weight. At higher P 2 0 5 values, the hydrolytic resistance of the glass ceramic becomes too low.
  • the glass can contain up to 5% by weight of B 2 O 3 .
  • the amount of AI 2 O3 should be less than 3% by weight in order to avoid a chemical that is too high
  • antibacterial ions such as. B. Ag, Au, I, Ce, Cu, Zn in concentrations less than 5% by weight.
  • ions such as B. Ag, Cu, Au, Li to adjust the high-temperature conductivity of the melt and thus for improved meltability with high-frequency melting processes as additives.
  • Coloring ions can be contained individually or combined in a total concentration of less than 1% by weight.
  • the invention also provides a glass ceramic powder comprising such a glass ceramic, with one
  • Milling process particle sizes ⁇ 100 microns can be obtained. Have as appropriate particle sizes ⁇ 50 ⁇ m or ⁇ 20 ⁇ m were found. Particle sizes ⁇ 10 ⁇ m and smaller than 5 ⁇ m are particularly suitable. Particle sizes ⁇ 1 ⁇ m have been found to be particularly suitable.
  • the grinding process can be carried out dry as well as with aqueous and non-aqueous grinding media.
  • the glass ceramic powders are ideally suited to be used in the field of cosmetic products. This can include Products in the field of color cosmetics.
  • the initial glass can be ceramized in the glass block or as a ribbon or in the glass powder.
  • the glass ceramic blocks or glass bands which are also referred to as ribbons, have to be ground to powder. If ceramization is carried out in the glass block, they lie
  • Crystallite sizes in the range greater than 10 ⁇ m If a glass powder has been ceramized, it may also be necessary to grind it again to remove agglomerates that have formed during the ceramization step.
  • Crystallite size with a high overall phase proportion In addition, the crystallites on surface defects that are generated during grinding grow from the surface.
  • a large number of surface nuclei are generated by the grinding, so that at the same time a large number of crystals begin to grow and thus an extremely small one Crystallite size can be achieved with high crystalline phase proportions.
  • the crystallization takes place very quickly.
  • the ceramization temperatures are between 50 ° C and 400 ° C above Tg, preferably 50 ° C - 200 ° C above
  • the ceramization can also be carried out in multi-stage thermal processes.
  • the crystalline phases show a significantly different chemical resistance than the glass phase.
  • the crystallization is primarily surface-controlled. Acicular crystallites grow from the surfaces into the glass interior. Few crystallites also begin to grow inside the glass. They are spherulitic. In the
  • Ceramicization of the powders primarily results in needle-shaped crystals because of the high surface area.
  • the resulting crystalline phases sometimes show a significantly higher solubility in water than the glass phase.
  • the ionic release of the powder and the pH value in aqueous solution and thus also their biological effect can be influenced by the targeted adjustment of the phase fractions.
  • rutile crystallites can also be generated. These crystallites can reach sizes from 5 nm to 2000 nm, preferably 10-100 nm. Depending on the ceramization temperature, the ceramized powders are ground again.
  • the glass ceramic powder is also suitable for use in the medical field or as
  • the main crystal phases are alkali silicates and / or alkaline earth alkaline silicates and / or alkaline earth silicates, for example NaCa silicates and Ca silicates, it being possible for these phase fractions to be influenced by the ceramization.
  • the ceramization can be carried out in the glass block or as a powder after grinding.
  • regrinding may be necessary to adjust the particle sizes.
  • the crystallite size can be adjusted by the particle size of the powder.
  • the chemical reactivity or ion release is influenced by the phases and phase fractions and can thus be adjusted.
  • Light scattering effects for example to achieve optical effects such as transparency, reflection, scattering, etc. result from the different refractive indices of the glass phase and crystal phase.
  • honeycomb surface structures remain, which in particular influence the optical properties (transmission, reflection, scattering) of the powders in formulations.
  • Table 1 Composition of the starting glasses used for the glass ceramic in% by weight:
  • Table 2 shows the crystal phases of a glass ceramic powder of a starting glass according to exemplary embodiment 1 in Table 1, which was obtained by crystallizing the powder or a glass block with subsequent grinding.
  • Table 2 Crystal phases of starting glass crystallized in the glass block or in powder form according to embodiment 1
  • the type of crystallization i.e. Surface or volume crystallization can be controlled in a targeted manner.
  • crystallite size can be varied in a targeted manner.
  • Table 3 shows the antibacterial effect of the powders according to Europ. Pharmacopoeia (3rd edition) for a starting glass according to embodiment 1 with a grain size of 4 ⁇ m. Table 3:
  • Table 4 shows the crystalline main phases found in the samples produced in tabular form, the general formula x Na 2 0 y CaO z Si0 2
  • a glass ceramic or a glass ceramic powder is specified for the first time which is distinguished both by an antimicrobial, anti-inflammatory and wound-healing effect and by an efficient blocking of UV radiation.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Glass Compositions (AREA)

Abstract

L'invention concerne une vitrocéramique, dont le verre de base contient 35 à 65 % en poids de Si02, 5 à 30 % en poids de Na20, 0 à 20 % en poids de K20, 5 à 30 % en poids de Ca0, 0 à 10 % en poids de Mg0, 0 à 5 % en poids de AI203, 2 à 10 % en poids de P205, 0 à 5 % en poids de B203, 0,1 à 10 % en poids de TiO2. Cette invention est caractérisée en ce que les phases principales cristallines contiennent des silicates alcalins et alcalino-terreux.
PCT/EP2002/013889 2001-12-12 2002-12-07 Vitroceramique anti-inflammatoire, antimicrobienne et absorbant les rayons ultraviolets WO2003050052A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002358105A AU2002358105A1 (en) 2001-12-12 2002-12-07 Anti-microbial, anti-inflammatory glass-ceramic, which absorbs uv radiation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10161075.0 2001-12-12
DE2001161075 DE10161075C1 (de) 2001-12-12 2001-12-12 UV-Strahlung absorbierende, antimikrobielle, entzündungshemmende Glaskeramik, Verfahren zu ihrer Herstellung und ihre Verwendungen

Publications (1)

Publication Number Publication Date
WO2003050052A1 true WO2003050052A1 (fr) 2003-06-19

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PCT/EP2002/013889 WO2003050052A1 (fr) 2001-12-12 2002-12-07 Vitroceramique anti-inflammatoire, antimicrobienne et absorbant les rayons ultraviolets

Country Status (3)

Country Link
AU (1) AU2002358105A1 (fr)
DE (1) DE10161075C1 (fr)
WO (1) WO2003050052A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1498395A1 (fr) * 2003-07-14 2005-01-19 Schott AG Utilisation d'une composition vitreuse pour obtenir un effet antioxydant
CN100408498C (zh) * 2005-10-14 2008-08-06 哈尔滨工业大学 以Li2O－SiO2－P2O5为主要原料的微晶玻璃及其制备方法
EP2189426A1 (fr) 2004-05-29 2010-05-26 Schott AG Procédé pour préparer de nanopoudre de verre
US8093166B2 (en) * 2006-09-20 2012-01-10 Inion Oy Bioactive glass compositions
US9622483B2 (en) 2014-02-19 2017-04-18 Corning Incorporated Antimicrobial glass compositions, glasses and polymeric articles incorporating the same
US11039621B2 (en) 2014-02-19 2021-06-22 Corning Incorporated Antimicrobial glass compositions, glasses and polymeric articles incorporating the same
US11039620B2 (en) 2014-02-19 2021-06-22 Corning Incorporated Antimicrobial glass compositions, glasses and polymeric articles incorporating the same
WO2021217568A1 (fr) * 2020-04-30 2021-11-04 四川三泰医药科技有限公司 Matériau d'activation de jade assemblé pour conserver sa beauté et rester jeune, et son procédé d'assemblage et de synthèse et utilisation correspondante

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004008931B4 (de) * 2003-02-25 2008-01-17 Schott Ag Verwendung von porösen Gläsern, Glaskeramiken, Glaspulvern oder Glaskeramikpulvern in kosmetrischen, medizinischen, bioziden Formulierungen
DE102004026432A1 (de) * 2004-05-29 2005-12-22 Schott Ag Glaszusammensetzungen als antimikrobieller Zusatz für Dentalmaterialien und deren Verwendung

Citations (7)

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Publication number Priority date Publication date Assignee Title
EP0297595A2 (fr) 1987-06-30 1989-01-04 Lion Corporation Procédé de préparation de corps composites céramiques frittés et objets composites céramiques frittés
KR920000150B1 (ko) * 1989-04-08 1992-01-09 한국 유리공업 주식회사 생체재료용 결정화 유리 및 그 제조방법
US5676720A (en) 1992-08-13 1997-10-14 The Trustees Of The University Of Pennsylvania Method of forming a porous glass substrate
US5681872A (en) * 1995-12-07 1997-10-28 Orthovita, Inc. Bioactive load bearing bone graft compositions
US5981412A (en) 1996-05-01 1999-11-09 University Of Florida Research Foundation Bioactive ceramics and method of preparing bioactive ceramics
WO2001003650A2 (fr) 1999-07-09 2001-01-18 Schott Glas Agent conservateur destine a des preparations perissables, notamment des preparations cosmetiques et pharmaceutiques
WO2001004252A1 (fr) 1999-07-09 2001-01-18 Schott Glas Detergent microbicide non toxique

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0297595A2 (fr) 1987-06-30 1989-01-04 Lion Corporation Procédé de préparation de corps composites céramiques frittés et objets composites céramiques frittés
KR920000150B1 (ko) * 1989-04-08 1992-01-09 한국 유리공업 주식회사 생체재료용 결정화 유리 및 그 제조방법
US5676720A (en) 1992-08-13 1997-10-14 The Trustees Of The University Of Pennsylvania Method of forming a porous glass substrate
US5681872A (en) * 1995-12-07 1997-10-28 Orthovita, Inc. Bioactive load bearing bone graft compositions
US5981412A (en) 1996-05-01 1999-11-09 University Of Florida Research Foundation Bioactive ceramics and method of preparing bioactive ceramics
WO2001003650A2 (fr) 1999-07-09 2001-01-18 Schott Glas Agent conservateur destine a des preparations perissables, notamment des preparations cosmetiques et pharmaceutiques
WO2001004252A1 (fr) 1999-07-09 2001-01-18 Schott Glas Detergent microbicide non toxique

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DATABASE WPI Section Ch Week 199252, Derwent World Patents Index; Class D22, AN 1992-430764, XP002237534 *

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1498395A1 (fr) * 2003-07-14 2005-01-19 Schott AG Utilisation d'une composition vitreuse pour obtenir un effet antioxydant
JP2005048170A (ja) * 2003-07-14 2005-02-24 Schott Ag 抗酸化作用を達成するためのガラス組成物の用途
JP4718802B2 (ja) * 2003-07-14 2011-07-06 ショット アクチエンゲゼルシャフト 抗酸化作用を達成するためのガラス組成物の用途
US9173822B2 (en) 2003-07-14 2015-11-03 Schott Ag Use of glass compositions for achieving an antioxidative effect
EP2189426A1 (fr) 2004-05-29 2010-05-26 Schott AG Procédé pour préparer de nanopoudre de verre
US7816292B2 (en) 2004-05-29 2010-10-19 Schott Ag Nano glass powder and use thereof, in particular multicomponent glass powder with a mean particle size of less than 1 μm
CN100408498C (zh) * 2005-10-14 2008-08-06 哈尔滨工业大学 以Li2O－SiO2－P2O5为主要原料的微晶玻璃及其制备方法
TWI414325B (zh) * 2006-09-20 2013-11-11 Inion Oy 生物活性之玻璃組成物
AU2007202221B2 (en) * 2006-09-20 2013-01-31 Inion Oy Bioactive glass compositions
US8093166B2 (en) * 2006-09-20 2012-01-10 Inion Oy Bioactive glass compositions
US9622483B2 (en) 2014-02-19 2017-04-18 Corning Incorporated Antimicrobial glass compositions, glasses and polymeric articles incorporating the same
US11039619B2 (en) 2014-02-19 2021-06-22 Corning Incorporated Antimicrobial glass compositions, glasses and polymeric articles incorporating the same
US11039621B2 (en) 2014-02-19 2021-06-22 Corning Incorporated Antimicrobial glass compositions, glasses and polymeric articles incorporating the same
US11039620B2 (en) 2014-02-19 2021-06-22 Corning Incorporated Antimicrobial glass compositions, glasses and polymeric articles incorporating the same
US11464232B2 (en) 2014-02-19 2022-10-11 Corning Incorporated Antimicrobial glass compositions, glasses and polymeric articles incorporating the same
US11470847B2 (en) 2014-02-19 2022-10-18 Corning Incorporated Antimicrobial glass compositions, glasses and polymeric articles incorporating the same
US11751570B2 (en) 2014-02-19 2023-09-12 Corning Incorporated Aluminosilicate glass with phosphorus and potassium
WO2021217568A1 (fr) * 2020-04-30 2021-11-04 四川三泰医药科技有限公司 Matériau d'activation de jade assemblé pour conserver sa beauté et rester jeune, et son procédé d'assemblage et de synthèse et utilisation correspondante
JP7312508B2 (ja) 2020-04-30 2023-07-21 スーチュァン サンタイ ファーマシューティカル テクノロジー カンパニー リミテッド 美容と養生の人工合成玉石活性化材料とその合成方法ならびに使用用途

Also Published As

Publication number Publication date
DE10161075C1 (de) 2003-08-21
AU2002358105A1 (en) 2003-06-23

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