GB1036606A - Glass - Google Patents
GlassInfo
- Publication number
- GB1036606A GB1036606A GB4406764A GB4406764A GB1036606A GB 1036606 A GB1036606 A GB 1036606A GB 4406764 A GB4406764 A GB 4406764A GB 4406764 A GB4406764 A GB 4406764A GB 1036606 A GB1036606 A GB 1036606A
- Authority
- GB
- United Kingdom
- Prior art keywords
- caustic soda
- mixture
- soda
- dolomite
- limestone
- 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.)
- Expired
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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/02—Pretreated ingredients
- C03C1/026—Pelletisation or prereacting of powdered raw materials
-
- 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
- C03C1/02—Pretreated ingredients
Abstract
A method of preparing a glass batch comprises adding an aqueous solution of caustic soda to a mixture of sand, soda-ash and a calcium-carbonate-containing material in a quantity sufficient to provide between 5 and 40% by weight of the Na2O content of the soda ash contained, and controlling the reaction of the caustic soda with the calcium carbonate so that no more than 50% by weight of the caustic soda is reacted with the calcium carbonate before the mixture is fed to a glass forming furnace by regulating the temperature of the mixture and the time in which the mixture is fed to the furnace. The aqueous solution of caustic soda is preferably 35 to 70% solution of NaOH. The calcium carbonate may be in the form of limestone, dolomite or a mixture thereof. If dolomite is used, the material must be fed to the furnace within 2 to 8 hours of addition of the caustic soda, and if limestone within 4 hours after addition of the caustic soda. The temperature of the batch is maintained below 200 DEG F., preferably between 40 DEG and 160 DEG F. A typical glass batch given is sand 57%; Na2CO3 18.5%; Na2SO4 3.5%; dolomite 13.0%; limestone 3.5%; feldspar 3.5%.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32015763A | 1963-10-30 | 1963-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1036606A true GB1036606A (en) | 1966-07-20 |
Family
ID=23245130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4406764A Expired GB1036606A (en) | 1963-10-30 | 1964-10-29 | Glass |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4812848B1 (en) |
| BE (1) | BE654235A (en) |
| CH (1) | CH430966A (en) |
| DE (1) | DE1237739B (en) |
| GB (1) | GB1036606A (en) |
| NL (1) | NL6410306A (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL123043C (en) * | 1959-04-10 |
-
1964
- 1964-09-04 NL NL6410306A patent/NL6410306A/xx unknown
- 1964-09-28 CH CH1261764A patent/CH430966A/en unknown
- 1964-10-07 DE DE1964P0035238 patent/DE1237739B/en active Pending
- 1964-10-09 BE BE654235D patent/BE654235A/xx unknown
- 1964-10-29 GB GB4406764A patent/GB1036606A/en not_active Expired
- 1964-10-30 JP JP6145964A patent/JPS4812848B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL6410306A (en) | 1965-05-03 |
| CH430966A (en) | 1967-02-28 |
| DE1237739B (en) | 1967-03-30 |
| BE654235A (en) | 1965-04-09 |
| JPS4812848B1 (en) | 1973-04-24 |
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