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A kind of highly weather-resistant polysiloxane type luminous coating and its preparation method

A polysiloxane-type, luminous coating technology, applied in luminescent coatings, fireproof coatings, coatings, etc., can solve the problems of poor weather resistance and low operating temperature of luminous paint films, and achieve the effect of maintaining luminous brightness and reducing the degree of aging

Active Publication Date: 2022-03-22
INST OF RESOURCES UTILIZATION & RARE EARTH DEV GUANGDONG ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention solves the above-mentioned problems in the prior art. The purpose of the present invention is to provide a polysiloxane type luminous paint with high weather resistance and a preparation method thereof. The luminous paint prepared by the preparation method can solve the problems in the prior art. The luminous paint film has poor weather resistance and low operating temperature. The luminous paint is environmentally friendly, has high weather resistance and high temperature resistance

Method used

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  • A kind of highly weather-resistant polysiloxane type luminous coating and its preparation method

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Effect test

Embodiment 1

[0019] 100g of methyl vinyl silicone oil with a vinyl content of 1.2wt% (viscosity of 30000MPa·S), 10g of methyl hydrogen silicone oil with a hydrogen content of 0.3wt% (viscosity of 500MPa·S), 0.01g of acetylene cyclohexane Dissolve alcohol in 30g cyclohexane, mix well, then add 30g methyl MQ resin, 5g vinyl MQ resin with a vinyl content of 3.0wt%, 5g luminous powder BL-2A, and then add 0.05g 5000ppm platinum- Vinyl siloxane solution of vinyl siloxane complex, 0.05g AIBN, after mixing evenly, put into planetary mixer to remove solvent cyclohexane and air bubbles in a vacuum, and obtain viscous fluid polysiloxane with uniform dispersion of luminous powder Type luminous paint (luminous powder content 3.33wt%).

Embodiment 2

[0021] 100g of methyl vinyl silicone oil with a vinyl content of 1.44wt% (viscosity of 15000MPa·S), 20g of methyl hydrogen silicone oil with a hydrogen content of 0.36wt% (viscosity of 250MPa·S), 0.06g of acetylene cyclohexane Dissolve alcohol in 40g cyclohexane, mix well, then add 60g methyl MQ resin, 10g vinyl MQ resin with a vinyl content of 1.0wt%, 15g luminous powder GL-4A, and then add 0.1g 5000ppm platinum- Vinyl siloxane solution of vinyl siloxane complex, 0.1g AIBN, after mixing evenly, put into a planetary power mixer to remove solvent cyclohexane and air bubbles in a vacuum, and obtain viscous fluid polysiloxane with uniform dispersion of luminous powder Type luminous paint (luminous powder content 7.32wt%).

Embodiment 3

[0023] 100g of methyl vinyl silicone oil with a vinyl content of 2.0wt% (viscosity of 3000MPa·S), 15g of methyl hydrogen silicone oil with a hydrogen content of 1.0wt% (viscosity of 50MPa·S), 0.04g of acetylene cyclohexane Dissolve alcohol in 35g of petroleum ether, mix well, then add 50g of methyl MQ resin, 7g of vinyl MQ resin with a vinyl content of 2.0wt%, 10g of luminous powder GL-8C, and then add 0.08g of 5000ppm platinum-ethylene Vinyl siloxane solution of base siloxane complex, 0.08g AIBN, after mixing evenly, put into planetary mixer to remove solvent cyclohexane and air bubbles in a vacuum, and obtain viscous fluid polysiloxane type with luminous powder evenly dispersed Luminous paint (luminous powder content 5.49wt%).

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Abstract

The invention discloses a high weather resistance polysiloxane type luminous paint and a preparation method thereof. A high-weather-resistant polysiloxane type luminous paint, in parts by mass, comprising the following components: 100 parts of methyl vinyl silicone oil, 10-20 parts of methyl hydrogen-containing silicone oil, and 30-60 parts of methyl MQ resin , 5-10 parts of vinyl MQ resin, 5-15 parts of luminous powder, 0.01-0.06 part of inhibitor and 0.1-0.2 part of curing agent. The polysiloxane matrix selected for the luminous paint prepared by the invention has a moderate viscosity, which can effectively prevent the luminous powder from settling after the viscosity is too low, so as to achieve uniform distribution of the luminous powder in the coating layer, so that the luminous intensity of the luminous paint film after molding has consistency.

Description

technical field [0001] The invention relates to the technical field of luminous paint, in particular to a polysiloxane-type luminous paint with high weather resistance and a preparation method thereof. Background technique [0002] Luminous powder is aluminate activated by a variety of rare earth ions. After being excited by light, it can continue to glow in the dark for a long time. Adding luminous powder to polymers makes luminous paint, which has bright colors, long luminous time, and high brightness. High, widely used in architectural decoration, artificial landscape, outdoor signs and other fields. At present, luminous paints are generally divided into two types: oil-based paints and water-based paints. The former is prepared by dispersing luminous powder and polymer matrix in an organic solvent. During construction, the solvent evaporates to form a paint film. This process pollutes the environment, so It is restricted in many occasions and gradually replaced by water-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/07C09D183/05C09D183/04C09D5/22C09D5/00
CPCC09D183/04C09D5/22C09D5/18C08L2205/035C08L2205/025C08L83/04C08K3/24
Inventor 杨锐欧菊花吴长永孔振兴戴子林
Owner INST OF RESOURCES UTILIZATION & RARE EARTH DEV GUANGDONG ACAD OF SCI
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