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Preparation method of ionic inflaming-retarding composite material

A flame retardant composite material and ion technology, applied in the field of materials, can solve problems such as poor compatibility between inorganic fillers and polymer matrix, and achieve the effects of blocking heat transfer, improving flame retardant performance, and improving thermal insulation performance.

Inactive Publication Date: 2017-06-13
赵阳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for preparing an ionic flame-retardant composite material for the problem of poor compatibility between the inorganic filler and the polymer matrix in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A preparation method of an ion flame-retardant composite material, comprising the following steps:

[0021] (1) Take diatomite, calcinate at 800°C for 2 hours, cool to room temperature, put into 13% sodium hydroxide solution, soak for 4 hours, filter, wash the precipitate with water, and dry at room temperature to obtain modified diatomite;

[0022] (2) Take 8-hydroxyquinoline, add it to absolute ethanol 30 times its weight, and stir to dissolve;

[0023] (3) Take the above-mentioned modified diatomite, add it to 69 times its weight, 5% hydrogen peroxide aqueous solution, stir evenly, raise the temperature to 60°C, add the ethanol solution of the above-mentioned 8-hydroxyquinoline, keep warm Stir for 2 hours, add tri-n-butyltetradecylphosphine chloride, stir for 30 minutes, increase the temperature to 75°C, add divinylbenzene, keep stirring for 70 minutes, distill off ethanol to obtain phosphated hydroxy diatomite Dispersions;

[0024] (4) Take triglycidyl isocyanura...

Embodiment 2

[0033] A preparation method of an ion flame-retardant composite material, comprising the following steps:

[0034] (1) Take diatomite, calcinate at 700°C for 1 hour, cool to room temperature, put into 10% sodium hydroxide solution, soak for 3 hours, filter, wash the precipitate with water, and dry at room temperature to obtain modified diatomite;

[0035] (2) Take 8-hydroxyquinoline, add it to absolute ethanol 21-30 times its weight, and stir to dissolve;

[0036] (3) Take the above-mentioned modified diatomite, add it to 50 times its weight, 3% hydrogen peroxide aqueous solution, stir evenly, raise the temperature to 50°C, add the ethanol solution of the above-mentioned 8-hydroxyquinoline, keep warm Stir for 1.5 hours, add tri-n-butyltetradecylphosphine chloride, stir for 20 minutes, increase the temperature to 65°C, add divinylbenzene, keep stirring for 60 minutes, distill off ethanol to obtain phosphated hydroxy diatomite Dispersions;

[0037] (4) Take triglycidyl isocya...

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Abstract

The invention discloses a preparation method of an ionic flame-retardant composite material. The invention polymerizes monomers cross-linked by phosphating diatomite, so that diatomite is well compatible with polymers, does not form agglomeration, and improves The stability strength of the finished material is improved; the diatomite microporous structure and polymer foam structure of the present invention effectively improve the thermal insulation performance of the finished material, and the diatomite can effectively block the transfer of heat, and the phosphorus-containing monomer, The blending of ionic liquids has a good synergistic flame retardant effect.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to a preparation method of an ion flame-retardant composite material. Background technique [0002] Polystyrene foam is a lightweight material made of polystyrene resin as the base material, adding foaming agent and other auxiliary materials, and foaming by heating. It has the advantages of light weight, small thermal conductivity, low water absorption, water resistance, aging resistance, low temperature resistance, easy processing, low price and high quality. However, polystyrene foam insulation materials bring great convenience to people's lives. Flammability also brings certain limitations to its application. Polystyrene foam itself is a flammable material, and it is easy to decompose and burn under fire and high temperature conditions. [0003] And accompanied by a large amount of toxic gas. Therefore, it is urgent to carry out research work on the fire safety of polystyr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L25/08C08L39/06C08K13/06C08K9/02C08K3/34C08K9/04C08K5/3437C08K5/42C08K5/3492C08K5/50C08F212/08C08F212/36C08J9/14
CPCC08L25/08C08F212/08C08J9/141C08J2325/08C08J2439/06C08L2201/02C08L2203/14
Inventor 赵阳赵伟赵守彬
Owner 赵阳
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