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A kind of brown glass and the method for preparing brown glass fresh-keeping box

A fresh-keeping box and glass technology, applied in glass manufacturing equipment, glass pressing, glass molding, etc., can solve problems such as unsatisfactory effects, and achieve the effects of improving chemical stability, color uniformity, and excellent heat absorption properties

Active Publication Date: 2022-04-12
SHANDONG LEHE HOUSEWARES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the current prior art, the content of ferrous iron in iron oxide is generally adjusted by adding arsenic and antimony as regulators, but the effect of this method is not ideal

Method used

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  • A kind of brown glass and the method for preparing brown glass fresh-keeping box
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  • A kind of brown glass and the method for preparing brown glass fresh-keeping box

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Experimental program
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Embodiment Construction

[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below.

[0031] In the specific implementation of the present invention, brown glass formulations with different components were designed, as shown in the table below, and the analysis was carried out on the use of iron oxide, tellurium oxide, and bismuth oxide as variables, and two comparison experiments were designed. In the comparative experiment part, tellurium oxide and bismuth oxide were not added. All the formulations of the experimental groups strictly control the content of ferrous oxide in the glass composition. The iron oxide can be selected from high-purity ferric oxide, and the iron oxide is strictly screened and purified as needed.

[0032] Specific formula table

[0033]

[0034] For the raw materials of the above formula, glass samples were prepared. Concrete preparation method that adopts is as f...

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PUM

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Abstract

The brown glass of the present invention has a thickness of 5mm, the transmittance of visible light in the spectral wavelength range of 500-650nm is 54%-63%, and the transmittance of ultraviolet light in the spectral wavelength range of 350-385nm is 25%-45%. The long-wave transmittance of the spectral wavelength of 850-900nm is 35%-45%. The main raw material formula of brown glass includes: quartz sand 300-380; iron oxide 0.5-0.8; aluminum hydroxide 10-20; borax 18-25; boric acid 5-10; potassium carbonate 50-60; manganese powder 0.6-1.4; Titanium dioxide 0.9-2.4; antimony oxide 0.3-0.7; bismuth oxide 0.1-0.5; control the content of ferrous oxide not higher than 0.05.

Description

technical field [0001] The invention relates to brown glass and a method for preparing a brown glass fresh-keeping box. Background technique [0002] The current brown glass and its glassware made of brown glass are generally used to carry items that are susceptible to moisture, photolysis, and chemical instability when exposed to air, and are even used in some special requirements for light transmission and heat absorption. construction field. For example, architects sometimes need to use this kind of glass to reduce glare and provide some thermal insulation effect, so as to reduce the load of the air conditioning system of the internal temperature of the building, and reduce the cost of thermal insulation or moisture retention. In recent years, brown glass has been widely used in the field of food preservation due to its heat absorption and other characteristics. Compared with some deficiencies of the previous metal fresh-keeping boxes, such as metal pollution caused by ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C6/04C03C1/04C03B11/00C03B25/00
CPCC03C1/00C03C1/04C03B11/00C03B25/00
Inventor 徐正本王宏彦
Owner SHANDONG LEHE HOUSEWARES CO LTD