Preparation method of adsorption-type attapulgite-based flame-retardant material

A flame retardant material and attapulgite technology are applied in the field of preparation of adsorption-type attapulgite-based flame retardant materials, which can solve the problems of large filling amount, poor compatibility of polymer materials, smoke generation and the like, and reduce toxic gases , good flame retardant effect, the effect of reducing the burning temperature

Inactive Publication Date: 2016-11-16
JIANGSU HUAYUAN MINING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Organic flame retardants are mainly organophosphorus flame retardants, silicon-containing flame retardants, intumescent flame retardants and nitrogen-based flame retardants. its application
The main varieties of inorganic flame retardants are aluminum hydroxide, magnesium hydroxide, inorganic phosphorus-based flame retardants, antimony-based flame retardants, etc. Compared with halogen-free organic flame retardants, they are cheaper and more environmentally friendly, but still There are generally disadvantages such as large filling amount, poor compatibility with polymer materials, and poor reinforcement performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1: Prepare attapulgite-based flame retardant material according to the following steps

[0016] (1) Disperse 0.1 kg of adsorption-type attapulgite in 1.0 kg of formaldehyde solution with a mass fraction of 37% to obtain attapulgite suspension; add 1.56 kg of melamine to the suspension, and use hydrogen with a mass concentration of 10% Sodium oxide adjusts the pH of the system to 9, and continues stirring for 1 hour; raises the temperature of the system to 85°C, and stirs for 30 minutes; adjusts the pH of the system to 4.5 with formic acid with a mass concentration of 10%, and continues stirring for 20 minutes; adjusts the pH of the system The value is 9, cooled to room temperature;

[0017] (2) Dry the slurry obtained in step (1) at a temperature of 80° C., and pulverize to obtain an attapulgite-based flame-retardant material.

Embodiment 2

[0018] Example 2: Prepare attapulgite-based flame retardant material according to the following steps

[0019] (1) Disperse 0.3 kg of adsorption-type attapulgite in 1.0 kg of formaldehyde solution with a mass fraction of 37% to obtain a suspension of attapulgite; add 4.67 kg of melamine to the suspension, and use hydrogen with a mass concentration of 10% Sodium oxide adjusts the pH of the system to 8, and continues stirring for 3 hours; raises the temperature of the system to 70°C, and stirs for 45 minutes; adjusts the pH of the system to 5.5 with formic acid with a mass concentration of 10%, and continues stirring for 40 minutes; adjusts the pH of the system Value is 7.5, cooled to room temperature;

[0020] (2) Dry the slurry obtained in step (1) at a temperature of 90° C., and pulverize to obtain an attapulgite-based flame-retardant material.

Embodiment 3

[0021] Example 3: Prepare attapulgite-based flame retardant material according to the following steps

[0022] (1) Disperse 0.2 kg of adsorption-type attapulgite in 1.0 kg of formaldehyde solution with a mass fraction of 37% to obtain a suspension of attapulgite; add 3.10 kg of melamine to the suspension, and oxidize it with 10% hydrogen Adjust the pH value of the system to 8.5 with sodium, and continue stirring for 2 hours; raise the temperature of the system to 80°C, and stir for 40 minutes; adjust the pH of the system to 5.0 with formic acid with a mass concentration of 10%, and continue stirring for 30 minutes; adjust the pH of the system to 8.5, cooled to room temperature;

[0023] (2) Dry the slurry obtained in step (1) at a temperature of 85° C., and pulverize to obtain an attapulgite-based flame-retardant material.

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PUM

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Abstract

The invention discloses a preparation method of an adsorption-type attapulgite-based flame-retardant material. The preparation method includes: using adsorption-type attapulgite as a core; performing layer insertion and stripping on montmorillonite in the adsorption-type attapulgite clay through melamine-formaldehyde resin polymerization to obtain the adsorption-type attapulgite-based flame-retardant material. The flame-retardant material obtained by the preparation method has the advantages of capability of retarding flame and inhibiting flue gas and high compatibility with high molecular materials.

Description

technical field [0001] The invention relates to the technical field of preparation of inorganic flame-retardant materials, in particular to a method for preparing an adsorption-type attapulgite-based flame-retardant material. Background technique [0002] At present, flame retardants are divided into two categories: inorganic flame retardants and organic flame retardants. Organic flame retardants are mainly organophosphorus flame retardants, silicon-containing flame retardants, intumescent flame retardants and nitrogen-based flame retardants. its application. The main varieties of inorganic flame retardants are aluminum hydroxide, magnesium hydroxide, inorganic phosphorus-based flame retardants, antimony-based flame retardants, etc. Compared with halogen-free organic flame retardants, they are cheaper and more environmentally friendly, but still There are generally disadvantages such as large filling amount, poor compatibility with polymer materials, and poor reinforcement...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K9/04C08K7/26C08G12/32C08L23/12
CPCC08K9/08C08G12/32C08K7/26C08L2201/02C08L23/12
Inventor 夏建文姚超刘文杰左士祥魏科年夏青
Owner JIANGSU HUAYUAN MINING
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