RU99118759A - IMPROVED PHOTOCHROME GLASSES - Google Patents
IMPROVED PHOTOCHROME GLASSESInfo
- Publication number
- RU99118759A RU99118759A RU99118759/03A RU99118759A RU99118759A RU 99118759 A RU99118759 A RU 99118759A RU 99118759/03 A RU99118759/03 A RU 99118759/03A RU 99118759 A RU99118759 A RU 99118759A RU 99118759 A RU99118759 A RU 99118759A
- Authority
- RU
- Russia
- Prior art keywords
- glass according
- photochromic
- paragraphs
- photochromic glass
- sno
- Prior art date
Links
- 239000011521 glass Substances 0.000 title claims 12
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium monoxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims 6
- GEIAQOFPUVMAGM-UHFFFAOYSA-N oxozirconium Chemical compound [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 claims 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 3
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims 3
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims 3
- 239000011159 matrix material Substances 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 3
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Inorganic materials [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 claims 3
- 238000002834 transmittance Methods 0.000 claims 3
- 229910018068 Li 2 O Inorganic materials 0.000 claims 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims 2
- 229910006404 SnO 2 Inorganic materials 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims 2
- 238000010186 staining Methods 0.000 claims 2
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(II) oxide Inorganic materials [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000005286 illumination Methods 0.000 claims 1
Claims (1)
SiO2 - 51-66
В2О3 - 15-23
Al2O3 - 3-10
ZrO2 - 2,5-11
TiO2 - 0-1
Li2O - 3-7
Na2O - 0-8
K2O - 2-9
МgО - 0-3
CaO - 0-3
SrO - 0-3
BaO - 0-3
Nb2O5 - 0-1
Lа2О3 - 0-8
Y2О3 - 0-8
и содержит дополнительно следующие фотохромные агенты:
Аg - 0,080-0,30
CuO - <0,0020-0,0130
Cl - 0,1-0,6
Br - 0,040-0,3
причем соотношения этих агентов, выраженные, мас.% по отношению к матрице, и состав стекол также удовлетворяют следующим условиям:
0,2<Аg/(Сl+Вr) ≅ 0,5
Br/(Cl+Br)>0,15
0,5≅La2O3+Y2О3≅8
TiO2+Nb2O5≅1,2
10≅Аl2O3+ZrO2≅17
МgО+CaO+SrO+BaO≅6
2. Фотохромное стекло по п.1, отличающееся тем, что оно обладает сильным окрашиванием в затемненном состоянии.1. Photochromic glass having a refractive index of approximately 1.5 and having the following properties: a) high transmittance T 0 in the light state, usually more than 86% with a thickness of 2 mm, essentially associated with the absence of staining, b) transmittance in a darkened state after 15 min exposure at 25 o С in the light from a device that simulates sunlight, less than 35% with a thickness of 2 mm, c) transmission in a darkened state after 15 min exposure at 40 o С in the light from a device simulating sunlight, less than 45% with a thickness of 2 mm, d) transmitting more than 75% after illumination for 1 hour in the absence of actinic radiation, e) photochromic properties stability in relation to the thermal effects used in antiglare treatments, so the difference between in the original state and at the glass after heat treatment for 1 hour at 280 o C does not exceed 5 units of transmission in absolute value, and the matrix of the said glass essentially has a composition, expressed, wt.% in terms of oxides:
SiO 2 - 51-66
B 2 O 3 - 15-23
Al 2 O 3 - 3-10
ZrO 2 - 2.5-11
TiO 2 - 0-1
Li 2 O - 3-7
Na 2 O - 0-8
K 2 O - 2-9
MgO - 0-3
CaO - 0-3
SrO - 0-3
BaO - 0-3
Nb 2 O 5 - 0-1
La 2 O 3 - 0-8
Y 2 O 3 - 0-8
and additionally contains the following photochromic agents:
Ag - 0.080-0.30
CuO - <0.0020-0.0130
Cl - 0.1-0.6
Br - 0.040-0.3
moreover, the ratio of these agents, expressed, wt.% with respect to the matrix, and the composition of the glasses also satisfy the following conditions:
0.2 <Ag / (Cl + Br) ≅ 0.5
Br / (Cl + Br)> 0.15
0.5≅La 2 O 3 + Y 2 O 3 ≅8
TiO 2 + Nb 2 O 5 ≅1,2
10≅Al 2 O 3 + ZrO 2 ≅17
MgO + CaO + SrO + BaO≅6
2. Photochromic glass according to claim 1, characterized in that it has a strong staining in a darkened state.
SiO2 - 51-59
В2О3 - 17-22
Al2O3 - 5-8
ZrO2 - 3-8
Li2O - 3-5
K2O - 5-9
Lа2О3 - 0,7-4
8. Линзы, состоящие из фотохромного стекла по любому из пп. 1-7.7. Photochromic glass according to any one of paragraphs. 1-6, characterized in that it has a matrix with a composition, wt.%:
SiO 2 - 51-59
B 2 O 3 - 17-22
Al 2 O 3 - 5-8
ZrO 2 - 3-8
Li 2 O - 3-5
K 2 O - 5-9
La 2 O 3 - 0.7-4
8. Lenses consisting of photochromic glass according to any one of paragraphs. 1-7.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR97/01164 | 1997-02-03 | ||
US60/038,716 | 1997-03-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
RU99118759A true RU99118759A (en) | 2001-07-20 |
Family
ID=
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2774528C1 (en) * | 2021-12-13 | 2022-06-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева (РХТУ им. Д.И. Менделеева) | Method for uniform volume coloring of transparent glass-based material |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2774528C1 (en) * | 2021-12-13 | 2022-06-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева (РХТУ им. Д.И. Менделеева) | Method for uniform volume coloring of transparent glass-based material |
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