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Process for preparing high-strength, energy-saving, environmentally-friendly and low-viscosity glass

It is an energy-saving, environmental-friendly, and preparation technology, which is applied in photovoltaic power generation, electrical components, circuits, etc., and can solve problems such as increased product strength and complex production processes.

Active Publication Date: 2011-11-09
SHENZHEN QIANHAIFA NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of the defects and deficiencies of the above-mentioned prior art, the inventor actively researches and innovates based on years of practical experience and professional knowledge engaged in the design and manufacture of such products, in order to overcome some technical prejudices and major defects of the prior art, and to solve After solving the complex production process problems, it revealed and proposed an invention of changing the proportion relationship of technical elements containing silicon, calcium and magnesium, especially the invention of selecting the composition range of alumina and the discovery of new product properties in new applications, And the omission invention of boron or sodium component of the prior art element, and produced unexpected technical effect, revealing a kind of aluminum oxide and containing sodium oxide, iron oxide, oxide Silicon, calcium oxide, magnesium oxide, or titanium oxide, barium oxide, and the composition of the predetermined special ratio between silicon oxide, calcium oxide, and magnesium oxide are innovative technical solutions, and overcome various traditional requirements The technical bias of using sodium or boron as fluxing ingredients, etc., can produce unexpected fluxing or eutectic functions, and the technical effects of product strength increased by 1-3 times, environmental protection, energy saving and emission reduction, etc. Preparation process of high-strength, energy-saving and environmentally friendly low-viscosity characteristic glass

Method used

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  • Process for preparing high-strength, energy-saving, environmentally-friendly and low-viscosity glass
  • Process for preparing high-strength, energy-saving, environmentally-friendly and low-viscosity glass
  • Process for preparing high-strength, energy-saving, environmentally-friendly and low-viscosity glass

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no. 1 example

[0046] According to one embodiment of the present invention, a process for preparing high-strength, energy-saving and environmentally friendly low-viscosity characteristic glass comprises the following steps:

[0047] Step 1: According to the composition of silicon oxide, calcium oxide, magnesium oxide, aluminum oxide, iron oxide and sodium oxide in the glass, the content of boron oxide in the glass is 0-1%, and the content of sodium oxide is The content of iron oxide is 0.01-14%, the content of iron oxide is 0.01-5%, the content of fluorine oxide is 0-1%, the content of magnesium oxide is 8.1-20.2%, the content of aluminum oxide is 8-30%, and the content of silicon oxide is oxidized 1.9-4.1 times the content of calcium, 1.2-1.6 times the content of calcium oxide is 1.2-1.6 times the content of magnesium oxide; prepare the raw materials required for making glass according to the above requirements;

[0048] Step 2: Put all kinds of raw materials prepared in their respective ra...

example 1

[0084] On the basis of the above-mentioned first embodiment, by weight percentage, the content of aluminum oxide is 8-30%, silicon oxide: calcium oxide is 2.0-3.6 times, calcium oxide: magnesium oxide is 1.3-1.49 times, sodium oxide is 0.01-2%, boron oxide is 0-1%, fluorine oxide content is 0-1%; the lower limit of the annealing temperature of the glass (that is, the starting temperature of the endothermic peak) is 610°C-680°C; the glass has a viscosity of 10 0.5 (Pa·s) temperature is 1520°C-1640°C; viscosity is 10 1 (Pa·s) temperature is 1450°C-1580°C; viscosity is 10 2 (Pa·s) temperature is 1210°C-1350°C; viscosity is 10 3 (Pa·s) temperature is 1070°C-1230°C; the flexural strength of the glass is 75-180MPa.

example 2

[0086] On the basis of the above-mentioned first embodiment, by weight percentage, the content of aluminum oxide is 19-30%, silicon oxide: calcium oxide is 2.0-3.6 times, calcium oxide: magnesium oxide is 1.3-1.49 times, sodium oxide is 0.01-2%, boron oxide is 0-1%, fluorine oxide content is 0-1%; the lower limit of the annealing temperature of the glass (that is, the starting temperature of the endothermic peak) is 610°C-680°C; the glass has a viscosity of 10 0.5 (Pa·s) temperature is 1550°C-1640°C; viscosity is 10 1 (Pa·s) temperature is 1450°C-1580°C; viscosity is 10 2 (Pa·s) temperature is 1210°C-1350°C; viscosity is 10 3 (Pa·s) temperature is 1080°C-1230°C; the flexural strength of the glass is 130-180MPa.

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Abstract

The invention relates to a process for preparing high-strength, energy-saving, environmentally-friendly and low-viscosity glass. The glass comprises the following components in percent by weight: 0-1% of boron oxide, 0.01-14% of sodium oxide, 0.01-5% of ferric oxide, 0% of fluorine oxide, 8.1-20.2% of magnesium oxide, 8-30% of aluminium oxide, 1.9-4.1 times weight of calcium oxide of silicon oxide, and 1.2-1.6 times weight of magnesium oxide of calcium oxide. The process comprises the following steps of: (1) preparing raw materials required for the glass according to the requirements; (2) metering the prepared components and putting in a large material tube or a bunker which loads burdening; (3) putting the mixed material into a bath, melting at melting temperatures corresponding to each glass formula, and forming a molten glass with a predetermined viscosity, then homogenizing, clearing, exhausting bubbles, and forming a flowing melt; and (4) moulding by selecting or adopting a pull tube moulding process, a blowing moulding process or a compression moulding process, annealing and cooling, thus the high-strength, energy-saving, environmentally-friendly and low-viscosity glass is obtained, and a water absorption of the glass being within 0-0.3% range and a fracture resistance strength of the glass being 70-180MPa.

Description

technical field [0001] The present invention relates to a preparation process of high-strength, energy-saving and environment-friendly low-viscosity characteristic glass, in particular, relates to a kind of sodium oxide, iron oxide, aluminum oxide, silicon oxide, Calcium oxide, magnesium oxide, or the composition of titanium oxide, barium oxide and the composition of the predetermined special ratio relationship between silicon oxide, calcium oxide, magnesium oxide and innovative technical solutions, and overcome the need to use a large number of traditional Sodium or boron components are used to form the technical bias of the solubilizing ingredients, and can produce unexpected new solubilizing or co-melt functions, and the products produced can be produced under the premise of energy saving, environmental protection, high quality control and resource conservation. The strength is increased by 1-3 times, resulting in new product properties and forming new uses and functions, a...

Claims

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Application Information

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IPC IPC(8): C03C3/064C03C3/062C03C3/118C03C3/112C03C3/091C03C3/087H01L31/042
CPCY02E10/50
Inventor 杨德宁
Owner SHENZHEN QIANHAIFA NEW MATERIAL TECH CO LTD
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