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Preparation method of flame-retardant artificial stone containing pleonaste

A technology of spinel and artificial stone, which is applied in the field of preparation of flame retardant artificial stone, can solve the problems of poor flame retardant and heat resistance, poor surface gloss, poor surface abrasion resistance, etc., to optimize char formation performance, reduce Effect of aging, increasing strength

Active Publication Date: 2016-10-12
广西万升石业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current artificial stone still has the disadvantages of low strength, poor surface abrasion resistance, weak flame retardancy and heat resistance, and poor surface gloss.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] (1) Preparation of composite magnesium iron spinel MgAl 2 O 4 :

[0020] (a) MgAl 2 O 4 Preparation: Weigh 0.02molMg(NO 3 ) 2 · 6H 2 O, 0.04molAl(NO 3 ) 3 ·9H 2 O is dissolved in 50ml of deionized edema to prepare a mixed salt solution. Dissolve 0.04mol of Na2CO3 and 0.06mol of NaOH in 50ml of deionized water, then quickly stir, add the salt solution to the alkaline solution, keep the pH at 9-11, mix well, The precipitate is filtered and washed with deionized water until neutral. Dry in an oven at 80°C for 8 hours. Then roast in a muffle furnace at 800°C for 4-6h.

[0021] (b) Preparation of SBA-15: Dissolve the triblock surfactant P123 in an appropriate amount of deionized water at 40°C, add TEOS and hydrochloric acid (HCl) to it, continue to vigorously Stir for 24h, put it in a polytetrafluoroethylene bottle to crystallize at 120°C for 24h, filter, wash and dry, and finally calcinate at 550°C for 6h, then filter, wash and dry. The white powder obtained is SBA-15, ready ...

Embodiment 2

[0024] (1) Preparation of composite magnesium iron spinel MgAl 2 O 4 :

[0025] (a) MgAl 2 O 4 Preparation: Weigh 0.02molMg(NO3)2 6H2O, 0.04molAl(NO3)3 9H2O and dissolve in 50ml deionized edema to prepare a mixed salt solution. Dissolve 0.04molNa2CO3 and 0.06molNaOH in 50ml deionized water, and then stir quickly. Add the salt solution to the alkali solution, keep the pH at 9-11, mix well, filter the precipitate, and wash with deionized water until it is neutral. Dry in an oven at 100°C for 10 hours. Then it was roasted in a muffle furnace at 800°C for 4 hours.

[0026] (b) Preparation of SBA-15: Dissolve the triblock surfactant P123 in an appropriate amount of deionized water at 40°C, add TEOS and hydrochloric acid (HCl) to it, continue to vigorously Stir for 24h, put it in a polytetrafluoroethylene bottle to crystallize at 120°C for 24h, filter, wash and dry, and finally calcinate at 550°C for 6h, then filter, wash and dry. The white powder obtained is SBA-15, ready for use;

[0...

Embodiment 3

[0029] (1) Preparation of composite magnesium iron spinel MgAl 2 O 4 ;

[0030] (a) MgAl 2 O 4 Preparation: Weigh 0.02molMg(NO3) respectively 2 6H 2 O, 0.04molAl(NO 3 )3 9H2O is dissolved in 50ml of deionized edema to prepare a mixed salt solution. Dissolve 0.04mol Na2CO3 and 0.06mol NaOH in 50ml of deionized water, then stir quickly, add the salt solution to the alkali solution to keep the pH at 9-11 and mix well , Filter the precipitate and wash with deionized water to neutral. Dry in an oven at 80°C for 10 hours. Then it was roasted in a muffle furnace at 800°C for 6 hours.

[0031] (b) Preparation of SBA-15: Dissolve the triblock surfactant P123 in an appropriate amount of deionized water at 40°C, add TEOS and hydrochloric acid (HCl) to it, continue to vigorously Stir for 24h, put it in a polytetrafluoroethylene bottle to crystallize at 120°C for 24h, filter, wash and dry, and finally calcinate at 550°C for 6h, then filter, wash and dry. The white powder obtained is SBA-15, ...

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PUM

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Abstract

The invention relates to a preparation method of flame-retardant artificial stone containing pleonaste. Nano magnesium aluminate spinel MgAl2O4 has a special structure and can serve as a high-quality inorganic nano oxide material to be added to talcum powder / phenol-formaldehyde resin / quartz, the heat resistance and the strength of the artificial stone are improved, the ageing time of the artificial stone is shortened, the flame-retardant artificial stone can be prevented from being degraded at the high temperature for a long time, a better flame retardant effect can be kept, the quantity of carbon residues is increased, and the LOI (loss on ignition) index is greatly increased.

Description

Technical field [0001] The invention relates to a method for preparing a flame-retardant artificial stone containing nano-magnesium-aluminum spinel, and belongs to the field of building materials. Background technique [0002] With the improvement of people’s living standards and the improvement of living conditions, the interior decoration industry is developing rapidly, and the amount of decoration building materials is huge. Among them, stone is one of the most commonly used and one of the most basic building materials, which is widely used on the ground, wall and The paving of the countertop. Natural stone has high mining costs, high pollution, and contains a large amount of natural radioactive substances, which is harmful to human health. With the continuous development of the material field, the performance of artificial stone has gradually improved, approaching or even surpassing that of natural stone, and is increasingly accepted by the market and users, and is widely us...

Claims

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Application Information

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IPC IPC(8): C04B26/12C04B22/08C04B111/28
CPCC04B22/0093C04B26/122C04B2111/00017C04B2111/20C04B2111/28C04B2201/50C04B14/042C04B22/0013C04B14/06C04B14/18C04B24/128C04B24/003C04B22/16C04B22/06C04B14/36C04B22/126C04B14/366C04B14/20C04B14/02
Inventor 骆佳豪
Owner 广西万升石业有限公司
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