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Single-layer durable building heat insulation Low-E glass and preparation method thereof

A technology for building thermal insulation and durability, applied in glass manufacturing equipment, glass tempering, manufacturing tools, etc., can solve the problems of easy damage to the coating, easy entry of sunlight and heat into the room, etc., to reduce production costs and prevent mechanical damage. Good effect of external erosion, thermal insulation performance and thermal insulation performance

Inactive Publication Date: 2018-01-09
CHENDU NEW KELI CHEM SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the shortcomings of the existing Low-E glass that sunlight and heat are easy to enter the room and the coating is easily damaged, the present invention proposes a single-layer durable building thermal insulation Low-E glass and its preparation method

Method used

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  • Single-layer durable building heat insulation Low-E glass and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0031] (1) In a nitrogen atmosphere, add 100kg of glass, 5kg of fluxing agent calcium carbonate, and 0.3kg of clarifying agent sodium sulfate into the furnace, heat at a high temperature to 1300~1400°C to melt the glass, then add 15kg of silver powder, and place in a constant temperature stirrer 1400~1500℃, the stirring speed is 50r / min; stir for 5-10min to obtain the coating solution;

[0032] (2) Use a fully automatic glass cutting machine to cut the glass plate according to the size, and then use an edger to grind the edge; then use the horizontal convection heating method to strengthen the preheating treatment on the glass plate; and then use the step (1) The coating liquid is evenly applied to the surface of the glass plate under the condition of pressure of 2MPa through the compressed nitrogen gas flow to form a functional film that acts as a barrier and protection;

[0033] (3) Place the glass plate coated in step (2) in a tempering furnace, the tempering furnace is a f...

Embodiment 2

[0036] (1) In a nitrogen atmosphere, add 100kg of glass, 6kg of flux calcium carbonate, and 0.5kg of clarifying agent antimony oxide into the furnace, heat at high temperature to 1300~1400°C to melt the glass, then add 15kg of silver powder, and place in a constant temperature stirrer 1400~1500℃, the stirring speed is 80r / min; stir for 10min to get the coating solution;

[0037](2) Use a fully automatic glass cutting machine to cut the glass plate according to the size, and then use an edger to grind the edge; then use the horizontal convection heating method to strengthen the preheating treatment on the glass plate; and then use the step (1) The coating liquid is evenly applied to the surface of the glass plate under the condition of a pressure of 2.5MPa through a compressed nitrogen gas flow to form a functional film that acts as a barrier and protection;

[0038] (3) Place the glass plate coated in step (2) in a tempering furnace, the tempering furnace is a forced convectio...

Embodiment 3

[0041] (1) In a nitrogen atmosphere, add 100kg of glass, 8kg of flux lithium borate, and 0.4kg of clarifying agent sodium chloride into the furnace, heat at a high temperature to 1300~1400°C to melt the glass, then add 18kg of silver powder, and place in a constant temperature stirrer 1400~1500℃, the stirring speed is 100r / min; stir for 10min to obtain the coating solution;

[0042] (2) Use a fully automatic glass cutting machine to cut the glass plate according to the size, and then use an edger to grind the edge; then use the horizontal convection heating method to strengthen the preheating treatment on the glass plate; and then use the step (1) The coating liquid is evenly applied to the surface of the glass plate under the condition of pressure 3.0MPa through the compressed nitrogen gas flow to form a functional film that acts as a barrier and protection;

[0043] (3) Place the glass plate coated in step (2) in a tempering furnace, the tempering furnace is a forced convect...

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Abstract

The invention belongs to the technical field of preparation of novel building materials, and provides single-layer durable building heat insulation Low-E glass and a preparation method thereof. The preparation method comprises the steps of melting at high temperature in presence of auxiliary agents such as a fusing assistant and a clarifying agent under the protection of nitrogen; then, adding silver powder and evenly dispersing to form coating liquid; evenly coating the surface of a glass plate with the coating liquid to form a functional film, and tempering. The preparation method not only simplifies the coating process of the Low-E glass, but also enables the silver powder to be sealed in the glass so as to greatly improve the durability of the Low-E glass; after the preparation methodis adopted, the Low-E glass is effectively protected from mechanical damage and external erosion, and the service life of the Low-E glass is prolonged. Furthermore, the preparation method is simple inpreparation technology and lower in cost, and can realize large-scale production.

Description

technical field [0001] The invention relates to the field of preparation of new building materials, in particular to a single-layer durable building thermal insulation Low-E glass and a preparation method. Background technique [0002] The development of building materials is constantly enriched with the development of society and the continuous improvement of the level of science and technology, from its most basic to meet the needs of life to today's light weight, high strength, high durability, non-toxic and environmental protection, energy saving and environmental protection, earthquake resistance, etc. Many new functional requirements have changed the direction of building materials from passive research and application to the development of new materials with new functions and new uses. [0003] "New building materials", referred to as new building materials, is a new type of building material that is different from traditional building materials such as ash, sand, bri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/06C03C17/02C03B27/04
Inventor 陈庆曾军堂
Owner CHENDU NEW KELI CHEM SCI CO LTD
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