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A preparation method of flame-retardant artificial stone containing magnesium aluminum spinel

A magnesia-aluminum spinel and artificial stone technology, applied in the field of building materials, can solve the problems of weak flame retardant and heat resistance, poor surface gloss, poor surface wear resistance, etc. The effect of increasing strength

Active Publication Date: 2018-08-07
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 aluminum 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 was dissolved in 50ml of deionized edema to prepare a mixed salt solution. Take 0.04molNa2CO3 and 0.06molNaOH and dissolve them in 50ml of deionized water, then stir rapidly, add the salt solution to the alkali solution, keep the pH at 9-11, mix well, and The precipitate was filtered and washed with deionized water until neutral. Dry in an oven at 80°C for 8 hours. Then bake 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 tetraethyl orthosilicate (TEOS) and hydrochloric acid (HCl) to it, and continuously Stir for 24 hours, put it into a polytetrafluoroethylene bottle, crystallize at 120°C for 24 hours, filter, wash and dry, and finally calcinate at 550°C for 6 hours, then filt...

Embodiment 2

[0024] (1) Preparation of composite magnesium aluminum spinel MgAl 2 o 4 :

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

[0026] (b) Preparation of SBA-15: Dissolve the triblock surfactant P123 in an appropriate amount of deionized water at 40°C, add tetraethyl orthosilicate (TEOS) and hydrochloric acid (HCl) to it, and continuously Stir for 24 hours, put it into a polytetrafluoroethylene bottle, crystallize at 120°C for 24 hours, filter, wash and dry, and finally calcinate at 550°C for 6 hours, then...

Embodiment 3

[0029] (1) Preparation of composite magnesium aluminum 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 was dissolved in 50ml of deionized edema to prepare a mixed salt solution. Take 0.04molNa2CO3 and 0.06molNaOH and dissolve them in 50ml of deionized water, then stir rapidly, add the salt solution to the alkali solution, keep the pH at 9-11, and mix well , filter the precipitate, and wash with deionized water until neutral. Dry in an oven at 80°C for 10 hours. Then it was fired in a muffle furnace at 800°C for 6h.

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

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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 flame-retardant artificial stone containing nano-magnesium-aluminum spinel, which belongs to the field of building materials. Background technique [0002] With the improvement of people's living standards and 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 most basic building materials, widely used in floors, walls and The paving of the countertop. The mining cost of natural stone is high, the pollution is large, and it 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 natural stone, and it is more and more accepted by the market and users, and is widely used in cabinets, bathrooms...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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