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A panel light glue

A lamp glue and panel technology, applied in the direction of adhesives, non-polymer adhesive additives, adhesive additives, etc., can solve the problems of optical color rendering interference, high cost, big smell and unenvironmental protection, and achieve good economic benefits and social benefits. Benefit, excellent product stability, good storage stability

Active Publication Date: 2021-06-29
GUANGZHOU GLORYSTAR CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In light-emitting semiconductors, blue light between 480 and 500 nanometers has the effect of adjusting biological rhythms, which is beneficial to the human body, but under long-term radiation in the above-mentioned bands, the prior art panel lamp glue does not have optical stability. The general-purpose panel light glue has a certain degree of interference to its optical color rendering, thus affecting the illuminance of its products. Therefore, the development of a panel light glue with optical stability is helpful to improve the luminous performance of lighting appliances
[0004] Generally, the fast-curing one-component silicone is based on polyalkoxysilyl-terminated polydimethylsiloxane as the basic polymer, adding reinforcing fillers, white paste, crosslinking agent, stabilizer, tin catalyst and coupler. Although such products are excellent in deep curing and easy to operate due to the polyalkoxysilyl-terminated polydimethylsiloxane as the basic polymer, but due to the polyalkoxysilyl-terminated polydimethylsiloxane The cause of methyl siloxane leads to slightly poor adhesion, and the slow toxicity of tin catalyst is also not environmentally friendly, and the cost is also high
Or use α, ω-dihydroxypolydimethylsiloxane as the basic polymer, add reinforcing fillers, white paste, Nanda crosslinking agent and coupling agent, and its advantage lies in the use of Nanda crosslinking agent It can make the product cure quickly and achieve deep curing, but it is not suitable for the bonding and sealing of panel lights because it cannot be used in high temperature and high humidity environments and has a strong smell and is not environmentally friendly. At the same time, it is easy to fog in lighting products and cause blurred light.
[0005] Moreover, the evaluation methods for panel lamp glue in the existing technology are relatively simple and single, and it is impossible to make a more rapid, objective and reliable evaluation of its comprehensive performance under the conditions that meet the actual use of lamp glue

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Add 50 parts of α,ω-dihydroxy polydimethylsiloxane with a viscosity of 20000mPa·s, 50 parts of nano-calcium powder, and 2.5 parts of white paste of titanium dioxide series to the planetary mixer at room temperature, and turn it on to heat up. Set the oil temperature and material temperature to 130°C. When the material temperature rises to 90°C, turn on the vacuum and continue to remove water for 1.5 to 2.0 hours. Then turn off the heating and vacuum and cool to room temperature. Add 2 parts of methyltrimethoxysilane and 0.7 parts of vinyl Stir trimethoxysilane and 1 part of Ti726 catalyst under vacuum for 25 minutes, add 0.3 parts of hindered amine light stabilizer and 1.25 parts of special self-preparing additives and stir under vacuum for 25 minutes to discharge. Among them, the special self-preparation additive is obtained by uniformly mixing the imino group-containing organosilicon compound with the secondary amino coupling agent and the α-amino coupling agent at a r...

Embodiment 2

[0041] Add 30 parts of α,ω-dihydroxy polydimethylsiloxane with a viscosity of 20000mPa·s, 60 parts of nano-calcium powder, and 2.5 parts of white paste of titanium dioxide series to the planetary mixer at room temperature, and turn it on to heat up. Set the oil temperature and material temperature to 130°C. When the material temperature rises to 90°C, turn on the vacuum and continue to remove water for 1.5 to 2.0 hours. Then turn off the heating and vacuum and cool to room temperature. Add 2 parts of methyltrimethoxysilane and 0.7 parts of acetoacetic acid Ethyl ester and 1 part of n-butyl titanate catalyst were stirred under vacuum for 25 minutes, then 0.3 part of hindered amine light stabilizer and 0.1 part of special self-prepared additive were added and stirred under vacuum for 25 minutes to discharge. Among them, the special self-preparation additive is obtained by uniformly mixing the imino group-containing organosilicon compound with the secondary amino coupling agent an...

Embodiment 3

[0043] Add 60 parts of α,ω-dihydroxypolydimethylsiloxane with a viscosity of 20000mPa·s, 30 parts of nano-calcium powder, and 2.5 parts of white paste of titanium dioxide series to the planetary mixer at room temperature, and turn it on to heat up. Set the oil temperature and material temperature to 130°C. When the material temperature rises to 90°C, turn on the vacuum and continue to remove water for 1.5 to 2.0 hours. Then turn off the heating and vacuum and cool to room temperature. Add 8 parts of methyltrimethoxysilane and 0.7 parts of acetoacetic acid Ethyl ester and 2 parts of n-butyl titanate catalyst were stirred under vacuum for 25 minutes, and then 0.3 parts of hindered amine light stabilizer and 0.1 part of special self-prepared additive were added and stirred under vacuum for 25 minutes to discharge. Among them, the special self-preparation additive is obtained by uniformly mixing the imino group-containing organosilicon compound with the secondary amino coupling age...

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Abstract

The invention discloses a panel light glue. The panel light glue of the invention consists of the following components in parts by weight: 30-60 parts of α,ω-dihydroxy polydimethylsiloxane, 2-8 parts of crosslinking agent , 0.1-1.0 parts of stabilizer, 30-60 parts of reinforcing filler, 2-10 parts of white paste, 0.1-2.0 parts of special self-prepared additives, 0.5-2.0 parts of catalyst. The fast-curing panel light glue provided by the present invention has the characteristics of high temperature and high humidity resistance, anti-fogging, stable illumination, fast surface drying and curing, good adhesion and excellent product stability.

Description

technical field [0001] The invention relates to a panel light glue, which belongs to the field of silicone sealing and bonding materials. Background technique [0002] With the increasing application of industrial electronics and lighting products in the market, the market demand for one-component silicone adhesives in the prior art is increasing, and the requirements for sealing and fixing components are increasing. High, and the adhesives used in the industrial electronics and lighting equipment markets require fast curing and bonding, no fogging, environmental protection, high temperature and high humidity resistance, long life, and meet the requirements of the double 85 test, so a high-quality panel light glue The research and development of its comprehensive performance acceleration test has become a research hotspot. [0003] In light-emitting semiconductors, blue light between 480 and 500 nanometers has the effect of adjusting biological rhythms, which is beneficial ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J183/04C09J11/04C09J11/06
CPCC08K2003/2241C08K2003/265C08K2201/011C09J11/04C09J11/06C09J183/04C08K13/02C08K3/26C08K3/22C08K5/5425C08K5/5419
Inventor 朱超翟晓旭曹阳杰袁汝娟曹瑜何宗业章涛陈君行胡新嵩程小莲
Owner GUANGZHOU GLORYSTAR CHEM
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