SU389039A1 - - •. •;; OTEND - Google Patents
- •. •;; OTENDInfo
- Publication number
- SU389039A1 SU389039A1 SU1678669A SU1678669A SU389039A1 SU 389039 A1 SU389039 A1 SU 389039A1 SU 1678669 A SU1678669 A SU 1678669A SU 1678669 A SU1678669 A SU 1678669A SU 389039 A1 SU389039 A1 SU 389039A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- glass
- otend
- thermal expansion
- hosp
- bao
- Prior art date
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
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Description
ii
Изобретение относитс к Составам сТекол, имеющим низкий коэффициент теплового расширени .The invention relates to Compositions of Glass having a low coefficient of thermal expansion.
Известно стекло, включающее SiO2, AljOa, ВаОз.Known glass, including SiO2, AljOa, VaOz.
Целью изобретени вл етс обеспечение коэффициента теплового расширен1и менее 30-10-I/град.The aim of the invention is to provide a coefficient of thermal expansion of less than 30-10-I / degree.
Это достигаетс тем, что стекло содержит указанные компоненты в следующих количествах (вес.%): SiOa 50-62; АЬОз 12-22; В2Оз 15-25 и, кроме того, SnOg 5-8.This is achieved in that the glass contains these components in the following amounts (wt.%): SiOa 50-62; HOSP 12-22; B2O3 15-25 and, in addition, SnOg 5-8.
Стекло может также дополнительно содержать по крайней мере один компонент из группы РЬО, ВаО 0,5-5 вес.%.Glass may also optionally contain at least one component from the PHO group, BAO 0.5 to 5 wt.%.
Дл улучшени варочных свойств стекла можно использовать добавку Аз2Оз в количестве 3-5 вес.% сверх 100%. Изобретение роиTo improve the cooking properties of the glass, it is possible to use the additive Az2Oz in the amount of 3-5 wt.% In excess of 100%. Invention of swarm
сн еТс йрйМерами, в которых указывающей различные составы стекол в вес. %.DETS yrymeryami, in which indicating the different compositions of glasses in weight. %
СоставыThe compositions
10ten
1515
Эти составы имеют следующие свойства;These compounds have the following properties;
Предмет изобретени Subject invention
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1678669A SU389039A1 (en) | 1971-06-30 | 1971-06-30 | - •. •;; OTEND |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1678669A SU389039A1 (en) | 1971-06-30 | 1971-06-30 | - •. •;; OTEND |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU389039A1 true SU389039A1 (en) | 1973-07-05 |
Family
ID=20482060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1678669A SU389039A1 (en) | 1971-06-30 | 1971-06-30 | - •. •;; OTEND |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU389039A1 (en) |
-
1971
- 1971-06-30 SU SU1678669A patent/SU389039A1/en active
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