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Melamine cyanuric acid microcapsule inorganic frame retardant and its preparation method

A technology of melamine cyanuric acid and inorganic flame retardant, applied in the direction of coating, can solve the problems of reducing the surface polarity of the inorganic flame retardant, enhancing the interfacial bonding force, material processing fluidity and no improvement in flame retardant performance, etc. The effect of improving the comprehensive properties of materials, improving compatibility, and improving melt fluidity

Inactive Publication Date: 2007-01-10
SICHUAN UNIV
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AI Technical Summary

Problems solved by technology

The surface polarity of inorganic flame retardants can be reduced to a certain extent by the treatment of coupling agents or surfactants, and the interfacial bonding force with the resin matrix can be enhanced to improve the mechanical properties of the materials, but the processing fluidity and flame retardancy of the materials are not good. little improvement in performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0027] 1. Dissolve 1 kg of flame retardant synergist dicyandiamide in 200 kg of water in the reactor, add 50 kg of magnesium hydroxide powder, stir to make it evenly dispersed, then add 50 kg of melamine and 50 kg of cyanuric acid into the reactor, Stir and react at 95°C for 1 hour to obtain a viscous paste, which is filtered, dried, and pulverized to obtain a powder product with an average particle diameter of 3 μm.

[0028] 2. Dissolve 30kg of flame retardant synergist phosphotungstic acid in 1000kg of water in the reaction kettle, add 100kg of ammonium polyphosphate powder, stir to make it evenly dispersed, then add 75kg of melamine and 75kg of cyanuric acid in turn, and stir at a temperature of 110°C React for 30 minutes to obtain a viscous paste, add 3kg of water to continue the reaction for 20 minutes, and obtain an emulsion that is centrifuged, dried, and pulverized to obtain a powder product with an average particle diameter of 10 μm.

[0029] 3. Dissolve 15kg of flame...

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PUM

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Abstract

Disclosed are melamine and its preparing method and application, with the characteristics that add 10-300 portions of inorganic flaming retardant, 100-1000portions of water into reactor with agitator and thermometer, make them to be dispersion in 50-130deg.C, the add into 0-300portions of antiflaming synergistic agent, 50-100 portions of melamine and 50-200 portions of cyanuric acid (emulsion or cream of ), which are stirred for 5 minutes to 2 hours in 50-150deg.C, in the course, can add into 100-1000 portions of water, generate the emulsion or cream of cyanuric acid covering inorganic flaming retardant which are filtered, are centrifugal separated, dried and scattered to be 0.01-500um cyanuric acid covering inorganic flaming retardant.

Description

1. Technical field [0001] The invention relates to a melamine cyanuric acid microcapsule inorganic flame retardant and a preparation method thereof, belonging to the field of flame retardant preparation. 2. Background technology [0002] Inorganic flame retardants such as magnesium hydroxide, aluminum hydroxide, phosphate, borate, and molybdate are currently rapidly developing environmentally friendly flame retardants, and their consumption accounts for 80% of the total consumption of flame retardants. Inorganic flame retardants have the advantages of being halogen-free, non-toxic, low-smoke, and cheap, and are widely used in the field of polymer material preparation. The flame retardant mechanism of different inorganic flame retardants is different. Metal hydroxide inorganic flame retardants (magnesium hydroxide, aluminum hydroxide) mainly release bound water through pyrolysis, which plays a cooling and flame retardant role; while phosphate And borates (such as ammonium po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K21/10C08K5/3492C09D7/12
Inventor 王琪刘渊陈英红华正坤
Owner SICHUAN UNIV
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