FR2085970A1 - Photochromatic colour glass with borosili-ca - Google Patents

Photochromatic colour glass with borosili-ca

Info

Publication number
FR2085970A1
FR2085970A1 FR7102685A FR7102685A FR2085970A1 FR 2085970 A1 FR2085970 A1 FR 2085970A1 FR 7102685 A FR7102685 A FR 7102685A FR 7102685 A FR7102685 A FR 7102685A FR 2085970 A1 FR2085970 A1 FR 2085970A1
Authority
FR
France
Prior art keywords
glass
pref
colour
photochromatic
borosili
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.)
Granted
Application number
FR7102685A
Other languages
French (fr)
Other versions
FR2085970B1 (en
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.)
Schott AG
Original Assignee
Jenaer Glaswerk Schott and Gen
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 Jenaer Glaswerk Schott and Gen filed Critical Jenaer Glaswerk Schott and Gen
Publication of FR2085970A1 publication Critical patent/FR2085970A1/en
Application granted granted Critical
Publication of FR2085970B1 publication Critical patent/FR2085970B1/fr
Granted 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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/14—Silica-free oxide glass compositions containing boron
    • C03C3/145—Silica-free oxide glass compositions containing boron containing aluminium or beryllium
    • 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
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/10—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels to produce uniformly-coloured transparent products
    • 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
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • 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
    • C03C4/04—Compositions for glass with special properties for photosensitive glass
    • C03C4/06—Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass

Abstract

Photochromatic colour glass compn. for spectacles, colour filters, glass surfaces for buildings and for jewellery, consists of melt of Ag halide-contg. borosilicate or borate glass which contains 0.0015-0.05 wt.% total added V, Cr, Mn and/or Co in an electropositive valency state, where total concn. of Cr and Co is not >0.2 wt.%. Pref. basic borosilicate glass consists of 40-55% SiO2, 18-30% B2O3, 10-20% M2O (where M is Li, Na, K, Rb, Cs), 0-10% ZnO, 0-15% Al2O3, 0-3% Ga2O3, 0-6% ZrO2, 0.01-0.02% CuO, 0-3-0.8% Ag, 0.3-2% Cl and 0-0.02% Ti (All % by weight and pref. basic borate glass consists at 60-80% B2O3, 8-15% M2O (where M is Na, K, Pb, Cs), 5-12% Al2O3, 5-12% Bi2O3, 0-6% ZrO2, 0-3-1% Ag, 0.6-2.5% Cl, 0.01-0.02 % CuO and 0-0.02% Ti. Pref. Cl is partly replaced by Br and/or I to =1 weight %. Pref. melt further contains 0.01-0.1% S or Se or 0.001-0.01% Te, for achieving further glass-colour variations.
FR7102685A 1970-04-10 1971-01-27 Photochromatic colour glass with borosili-ca Granted FR2085970A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD14681870 1970-04-10

Publications (2)

Publication Number Publication Date
FR2085970A1 true FR2085970A1 (en) 1971-12-31
FR2085970B1 FR2085970B1 (en) 1975-01-17

Family

ID=5482388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7102685A Granted FR2085970A1 (en) 1970-04-10 1971-01-27 Photochromatic colour glass with borosili-ca

Country Status (5)

Country Link
CS (1) CS160596B1 (en)
DE (1) DE2107343A1 (en)
FR (1) FR2085970A1 (en)
HU (1) HU162592B (en)
PL (1) PL81473B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080051A (en) * 1976-03-18 1978-03-21 American Optical Corporation Preparation of photochromic gradient lenses of cosmetically improved color
US4076395A (en) * 1976-03-18 1978-02-28 American Optical Corporation Preparation of photochromic gradient lenses of improved color
BR8004828A (en) 1979-08-09 1981-02-10 Pilkington Brothers Ltd PROCESS TO PRODUCE A PHOTOCHROMIC GLASS AND PHOTOCHROMIC GLASS OBTAINED
US4251278A (en) * 1980-01-21 1981-02-17 Corning Glass Works Photochromic glasses which darken to a brown hue
DE3117000C2 (en) * 1981-04-29 1986-05-28 Schott Glaswerke, 6500 Mainz Phototropic glass with a refractive index? 1.59, an Abbe number? 40 and a density ≦ 3.2 g / cm? 3?
DE3220367A1 (en) * 1982-05-29 1983-12-01 Schott Glaswerke, 6500 Mainz PHOTOTROPES GLASS WITH BROWN TINT IN THE EXPOSED STATE
US5024974A (en) * 1989-03-30 1991-06-18 Asahi Glass Company, Ltd. Glass having ultrafine particles of CuCl and/or CuBr precipitated therein and process for its production

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1536917A (en) * 1964-05-11 1968-09-02 Corning Glass Works New glass with variable transparency
FR1538675A (en) * 1966-12-24 1968-09-06 Jenaer Glaswerk Schott & Gen Phototropic glass
FR2005053A6 (en) * 1968-03-29 1969-12-05 Jenaer Glaswerk Schott & Gen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1536917A (en) * 1964-05-11 1968-09-02 Corning Glass Works New glass with variable transparency
FR1538675A (en) * 1966-12-24 1968-09-06 Jenaer Glaswerk Schott & Gen Phototropic glass
FR2005053A6 (en) * 1968-03-29 1969-12-05 Jenaer Glaswerk Schott & Gen

Also Published As

Publication number Publication date
HU162592B (en) 1973-03-28
FR2085970B1 (en) 1975-01-17
CS160596B1 (en) 1975-03-28
DE2107343A1 (en) 1971-10-21
PL81473B1 (en) 1975-08-30

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Legal Events

Date Code Title Description
ST Notification of lapse