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Mixture for the production of an amber glass, amber glass, method for the production of tubes and blanks of tinted bulbs, and tinted bulbs obtained with said glass

A production method and mixture technology, applied in the production of amber glass blanks and/or tubes, in the field of amber glass, can solve the problems of small pieces of coating falling off, cracking and falling off, and color fade

Active Publication Date: 2007-02-14
JWF公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] As it ages, the color will fade significantly, and repeated thermal shocks will eventually cause the coating to peel off in small pieces or crack off

Method used

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  • Mixture for the production of an amber glass, amber glass, method for the production of tubes and blanks of tinted bulbs, and tinted bulbs obtained with said glass
  • Mixture for the production of an amber glass, amber glass, method for the production of tubes and blanks of tinted bulbs, and tinted bulbs obtained with said glass
  • Mixture for the production of an amber glass, amber glass, method for the production of tubes and blanks of tinted bulbs, and tinted bulbs obtained with said glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0106] The glass substrate is of the silicon-sodium-calcium type, and the main components are as follows:

[0107] SIO2: 65-72% (weight percent)

[0108] B2O3: 0.5-3%

[0109] Na2O: 5-15%

[0110] K2O: 5-15%

[0111] LiO2: 0.2-2%

[0112] CaO: 1-5%

[0113] MgO: 0.2-2%

[0114] SrO: 2-7%

[0115] BaO: 0.5-4%

[0116] Al2O3: 0.5-3%

[0117] MoO3: 0.05-0.5%

[0118] SO3: 0.1-0.7%

[0119] Oxides of elements such as iron, titanium, magnesium and zirconium Fe2O3, TiO2, MgO, ZrO2, etc. are present in small amounts (not intentionally added impurities).

[0120] On this basis, the average physical properties of the glass obtained are as follows, and the English terms currently used for these parameters are retained:

[0121] Melting point ("Melting point"): (log η=2) 1360°

[0122] Sampling point ("Gob point"): (log η=3) 1110°

[0123] Softening point ("Softening point"): (Littleton log η=7.6) 675°

[0124] Annealing point ("Annealing point"): (log η=13) 515°

[0125] Tg...

Embodiment 2

[0129] This substrate can be advantageously adapted to soda-lime glass commonly found in the low-cost lighting fixture industry, which provides the following ratios

[0130] SIO2: 68-72% by weight

[0131] Na2O: 12-16%

[0132] K2O: 0.5-1.5%

[0133] LiO2: 0.2-1%

[0134] CaO: 6-9%

[0135] MgO: 0.2-2%

[0136] BaO: 0.5-2%

[0137] SrO: 2-7%

[0138] BaO: 0.5-4%

[0139] Al2O3: 1-3%

[0140] MoO3: 0.05-0.5%

[0141] SO3: 0.1-0.7%

[0142] Elements such as Fe2O3, TiO2, ZrO2, etc. are also present in small amounts (impurities).

[0143] The average physical characteristics of the glass are thus as follows:

[0144] Melting point ("Melting point"): (log η=2) 1390°

[0145] Sampling point ("Gob point"): (log η=3) 1140°

[0146] Softening point ("Softening point"): (log η=4) 975°

[0147] Annealing point ("Annealing point"): (log η=7.6) 695°

[0148] Tg(log η=13): 530°

[0149] Quenching point ("Strain point"): (log η=13.3) 503°

[0150] Δ1 from 20 to 300°=10-7°C-1...

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Abstract

The invention relates to a mixture for the production of a vat-dyed amber glass; an amber glass formed from the vitrifiable mixture, based on a silico-sodo-calcic composition; and a method for the production of tubes and blanks (2) for bulbs (1) using said glass. The mixture contains 100% by weight of the following ingredients: 0.01%-1% by weight molybdenum bisulphur and 0.01%-7% strontium sulphur by weight. The glass thus obtained is devoid of harmful products such as cadmium and no additional heat treatment is required in order to obtain the desired colour thereof.

Description

technical field [0001] The invention relates to a vitrifiable mixture based on a silicon-sodium-calcium composition for obtaining amber glass colored in bulk. [0002] The invention also relates to this glass and to a method for producing amber glass blanks and / or tubes, as well as products such as said tubes or bulbs obtained using said blanks. Background technique [0003] “Amber” is understood to mean the colors from yellow to orange defined, for example, by international standards, in particular in the reference system of the International Commission on Illumination known under the name CIE 1931 . [0004] This is because the International Commission on Illumination has formulated the color standard for vehicle light through the SAE J578 standard, and the amber boundary is as follows: [0005] For red border y=0.390 [0006] For white border y=0.79-0.67x [0007] For the green border y=x-0.12. [0008] This can be shown by the enlarged first quadrilateral, the graphi...

Claims

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Application Information

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IPC IPC(8): C03C1/02C03C1/00C03B9/14H01K1/28C03C1/10C03B9/18C03C3/091C03C4/02
CPCC03C4/02C03B9/18C03C1/00C03C1/022C03C1/10C03C3/091H01K1/28C03C3/076C03C3/085C03C3/11
Inventor C·勒菲弗F·勒佩斯科尔克斯
Owner JWF公司
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