SU532580A1 - Photochromic glass - Google Patents
Photochromic glassInfo
- Publication number
- SU532580A1 SU532580A1 SU2157274A SU2157274A SU532580A1 SU 532580 A1 SU532580 A1 SU 532580A1 SU 2157274 A SU2157274 A SU 2157274A SU 2157274 A SU2157274 A SU 2157274A SU 532580 A1 SU532580 A1 SU 532580A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- glass
- photochromic glass
- glasses
- photochromic
- relaxation rate
- Prior art date
Links
Description
(54) ФОТОХРОМ НОЕ СТЕКЛО(54) NOH GLASS PHOTO CHROME
1one
Изобретение относитс к неорганическим фотохролшым стеклам, способным -обратим измен ть светопропускание при воздействий излучений озтгического диапазона, обладающим низкой скоростью релаксации.The invention relates to inorganic photochroles capable of α-reversible change in light transmission when exposed to radiation of the optical range, which has a low relaxation rate.
Известно фотохромное стекло на основеKnown photochromic glass based
sio, .BjOj ., .sio, .BjOj.,.
Известно фотохромное стекло на основе SiO.,.B;,05, RO, ,0, Однако такие стекла обладают довольноKnown photochromic glass based on SiO.,. B;, 05, RO,, 0, However, such glasses have a rather
высокой скоростью релаксации, что не поэвол ет получить стекла с высокой степеныо потемнени .high relaxation rate, which does not allow to obtain glasses with a high degree of darkening.
Цель изобретени - снижение скорости релаксации.The purpose of the invention is to reduce the rate of relaxation.
Это достигаетс тем. что стекло, включающее Sfo. , ,Hf,o,,, рьо ,This is achieved by those. that glass including Sfo. ,, Hf, o ,,, ryo,
Лот, , се , Бг , J , содержит указа ные компоненты в следующих количествах, вес. %:Lot,, ce, Bg, J, contains the indicated components in the following amounts, wt. %:
52-60 52-60
SiOBzO , 14-20 8-10 SiOBzO, 14-20 8-10
NCfljONCfljO
22
3 - 6 3 - 6
CdO РЬО 3 - 8 Agr 0,3 - 0,5 0,02 - 0,08 CdO PHO 3 - 8 Agr 0.3 - 0.5 0.02 - 0.08
Си„0C „0
се 0,5 -2,0 every 0.5 -2.0
Вг J 0,5 -2,0 0,5 -1,0 Конкретные составы стекол и их фото- хромные характеристики приведены в таблипе .Br J 0.5 -2.0 0.5 -1.0 Specific compositions of glasses and their photochromic characteristics are given in the table.
Технологи пол -чени стекол, а именно способы введени компонентов в щнхту, тепepaтypнo-вpeмeнIiыe режимы варки (1420148О°С ) и термообработки дл достижени фoтoxpo шoгo эффекта (52О-650) не отличаютс от технологии получени обычных фотохромных стекол с галогенидами серебра,Glass technology, in particular, methods for introducing components into the glass, heat-time-cooking modes (1420148 ° C) and heat treatment to achieve photo-effect (52O-650) do not differ from the technology of obtaining silver photogromic
В табл. 1 приведены конкретные составы стекол.In tab. 1 shows the specific compositions of glasses.
В табл. 2 рриведены фотохромные харатеристики составов с-текла.In tab. 2 photochromic characteristics of C-flowered compounds are given.
Из таблиц BHAJio, что указанные стекла обладают низкой скоростью релаксации (скростью 11росветлени ).From the tables of BHAJio, that these glasses have a low relaxation rate (with an increase in brightness of 11).
Таблица 1Table 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2157274A SU532580A1 (en) | 1975-07-17 | 1975-07-17 | Photochromic glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2157274A SU532580A1 (en) | 1975-07-17 | 1975-07-17 | Photochromic glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU532580A1 true SU532580A1 (en) | 1976-10-25 |
Family
ID=20626945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU2157274A SU532580A1 (en) | 1975-07-17 | 1975-07-17 | Photochromic glass |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU532580A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2359797A1 (en) * | 1976-07-28 | 1978-02-24 | Corning Glass Works | COPPER-CADMIUM-SILVER PHOTOCHROMIC GLASS |
-
1975
- 1975-07-17 SU SU2157274A patent/SU532580A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2359797A1 (en) * | 1976-07-28 | 1978-02-24 | Corning Glass Works | COPPER-CADMIUM-SILVER PHOTOCHROMIC GLASS |
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