WO2018086639A1 - Ecological alabaster glass - Google Patents

Ecological alabaster glass Download PDF

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Publication number
WO2018086639A1
WO2018086639A1 PCT/CZ2017/050051 CZ2017050051W WO2018086639A1 WO 2018086639 A1 WO2018086639 A1 WO 2018086639A1 CZ 2017050051 W CZ2017050051 W CZ 2017050051W WO 2018086639 A1 WO2018086639 A1 WO 2018086639A1
Authority
WO
WIPO (PCT)
Prior art keywords
weight
oxide
parts
alabaster
glass
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/CZ2017/050051
Other languages
English (en)
French (fr)
Inventor
Jiri DOSTAL
Petr STANICKY
Milan HREBICEK
Ondrej STRNADEL
Oldrich KOPRIVA
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.)
TOMAS BATA UNIVERSITY IN ZLIN
Original Assignee
TOMAS BATA UNIVERSITY IN ZLIN
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 TOMAS BATA UNIVERSITY IN ZLIN filed Critical TOMAS BATA UNIVERSITY IN ZLIN
Publication of WO2018086639A1 publication Critical patent/WO2018086639A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
    • 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
    • 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
    • C03C4/005—Compositions for glass with special properties for opaline 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
    • C03C2204/00—Glasses, glazes or enamels with special properties
    • C03C2204/04—Opaque glass, glaze or enamel

Definitions

  • the present invention relates to ecological alabaster glass based on biogenic components, free of toxic components such as lead oxide, fluorides, antimony oxide, barium oxide, asbestos, arsenic oxide, which have technological stability for the manual production of high-quality utility glass produced in gas and electric melting devices.
  • Alabaster glasses are opacifiered glasses with higher turbidity than opaline with a characteristic paraffin-like appearance.
  • alabaster glasses include toxic components - for example, translucent alabaster glass according to U.S. Pat. No. 2417898 contains 30% to 60% toxic lead oxide as the basic component, and at least 18% alumina, at least 5% boron oxide and at least 10% silicate. This alabaster glass contains light diffusing crystals of aluminium borate.
  • alabaster glasses are opacifiered by a combination of toxic substances - fluorides, phosphates and sulphates.
  • the above mentioned deficiencies of the known alabaster glasses are removed by the ecological alabaster glass based on the biogenic components according to the invention which contains 68 to 78 parts by weight of silica (Si0 2 ), 0.2 to 5 parts by weight of boron trioxide, 0.2 to 5 parts by weight of alumina (Ai 2 (3 ⁇ 4), 0.02 to 0.025 parts by weight of ferric oxide (FeiOs), 6 to 16 parts by weight of sodium oxide (Na 2 0), 5 to 15 parts by weight of potassium oxide (K 2 0), 0.5 to 5 parts by weight of magnesium oxide (MgO), 5 to 15 parts by weight of calcium oxide (CaO) and 2 to 8 parts by weight of phosphorus pentoxide (P 2 i3 ⁇ 4).
  • silica Si0 2
  • boron trioxide 0.2 to 5 parts by weight of alumina
  • FeiOs ferric oxide
  • Na 2 0 sodium oxide
  • K 2 0 potassium oxide
  • MgO magnesium oxide
  • CaO calcium
  • the alabaster glass according to the invention does not contain any toxic elements such as lead oxide, fluorides, antimony oxide, barium oxide, asbestos, arsenic oxide. There are only biogenic elements that are part of living organisms.
  • the melting conditions are comparable to the standard, i.e. in the range of 1410 - 1450 ° C, in accordance with the required coefficient of thermal expansion, which can be adjusted in the range of 9.0 - 10. 2xlO ⁇ 6 K ⁇ 1 . Coloring of this glass is also standard.
  • Iron oxide Fe 2 0 3 0.02
  • the melting temperature of this glass is 1420°C
  • the coefficient of the thermal expansion a(2o- 300 °c) ⁇ ⁇ ⁇ .9.6.10 ⁇ 6 K _1
  • composition of other alabaster glasses (in parts by weight) in the exemplary embodiment is shown in the following table:
  • the ecological alabaster glass according to the invention is suitable for all types of melting devices. It enables manual and semi-automatic production of utility, lighting and art glass in the form of both pot-opal and flashed glass (duplex, triplex). This glass is environmentally friendly and is also suitable for making replicas of historically significant glass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Glass Compositions (AREA)
PCT/CZ2017/050051 2016-11-09 2017-10-25 Ecological alabaster glass Ceased WO2018086639A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ2016-698A CZ307041B6 (cs) 2016-11-09 2016-11-09 Ekologické alabastrové sklo
CZPV2016-698 2016-11-09

Publications (1)

Publication Number Publication Date
WO2018086639A1 true WO2018086639A1 (en) 2018-05-17

Family

ID=60477021

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CZ2017/050051 Ceased WO2018086639A1 (en) 2016-11-09 2017-10-25 Ecological alabaster glass

Country Status (2)

Country Link
CZ (1) CZ307041B6 (cs)
WO (1) WO2018086639A1 (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ201991A3 (cs) * 2019-02-18 2019-12-18 Preciosa, A.S. Sklokeramický materiál spinelového typu pro výrobu bižuterních a šperkových kamenů

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417898A (en) 1945-04-30 1947-03-25 Corning Glass Works Alabaster glass
GB1254260A (en) * 1969-02-24 1971-11-17 Owens Illinois Inc Glass compositions
WO1996006052A1 (en) * 1994-08-24 1996-02-29 Glasforskningsinstitutet Opal glass

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA448123A (en) * 1948-04-27 Houston Armistead William Alabaster glass
CS216325B1 (cs) * 1980-02-27 1982-10-29 Zdenek Honcu Univerzální alabastrové sklo
FR2682101B1 (fr) * 1991-10-03 1994-10-21 Saint Gobain Vitrage Int Composition de verre colore destine a la realisation de vitrages.
CZ279603B6 (cs) * 1993-11-03 1995-05-17 Vysoká Škola Chemicko-Technologická Křišťálové bezolovnaté sklo s indexem lomu vyšším než 1,52
FR2731696B1 (fr) * 1995-03-16 1997-04-25 Saint Gobain Vitrage Feuilles de verre destinees a la fabrication de vitrages
CN103030296A (zh) * 2012-12-05 2013-04-10 毛庆云 一种耐水的微晶玻璃及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417898A (en) 1945-04-30 1947-03-25 Corning Glass Works Alabaster glass
GB1254260A (en) * 1969-02-24 1971-11-17 Owens Illinois Inc Glass compositions
WO1996006052A1 (en) * 1994-08-24 1996-02-29 Glasforskningsinstitutet Opal glass

Also Published As

Publication number Publication date
CZ2016698A3 (cs) 2017-12-06
CZ307041B6 (cs) 2017-12-06

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