A kind of sepiolite/diatomite-based environmental protection indoor wall material with coordination function

A technology of coordinating functions and diatomite, which is applied in the field of indoor building materials, can solve problems such as poor dispersion, and achieve the effects of improving efficiency, improving efficiency and antibacterial efficiency, and improving photocatalytic performance

Active Publication Date: 2018-05-01
盐城市绿之韵环保建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the deficiencies in the above-mentioned prior art, the present invention provides a sepiolite / diatomite-based environmental protection indoor wall material with coordination function, which is prepared by hydrolysis and precipitation method to prepare nano-TiO 2 , nano-ZnO and at the same time, it is firmly and uniformly loaded on the porous mineral diatomite and sepiolite, and the ZnO / TiO 2 / sepiolite / diatomite composite material, and then mix the composite functional material with corresponding fillers and additives to prepare environmentally friendly indoor wall materials, which effectively solves the problem of nano-TiO 2 , The problem of poor dispersion of nano-ZnO in environmental protection indoor wall materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: Taking the total weight of 1kg as the criterion, each component is weighed according to the mass ratio determined as follows: composite functional material 30%, heavy calcium carbonate 25%, ash calcium powder 15%, calcined kaolin 15%, silica sand 5% %, thickener 2%, wood fiber 2%, dispersible rubber powder 5%, thixotropic lubricant 0.5%, water reducer 0.5%. Add the weighed components into a high-speed disperser and stir at 250 r / min for 2 hours to obtain a mixed dry powder; add water and stir for 30 min according to the mass ratio of the mixed dry powder to water at 1:0.8, and the stirring speed is controlled at 1000 r / min, the obtained slurry can be used for construction.

Embodiment 2

[0026] Embodiment 2: Taking the total weight of 1kg as the criterion, each component is weighed according to the mass ratio determined as follows: composite functional material 40%, heavy calcium carbonate 20%, ash calcium powder 15%, calcined kaolin 10%, silica sand 5% %, thickener 2%, wood fiber 2%, dispersible rubber powder 5%, thixotropic lubricant 0.5%, water reducer 0.5%. Add the weighed components into a high-speed disperser and stir at 300 r / min for 2 hours to obtain a mixed dry powder; add water and stir for 25 minutes according to the mass ratio of the mixed dry powder to water at 1:1, and the stirring speed is controlled at 1200 r / min, the obtained slurry can be used for construction.

Embodiment 3

[0027] Embodiment 3: Taking the total weight of 1kg as the criterion, each component is weighed according to the mass ratio determined as follows: composite functional material 50%, heavy calcium carbonate 15%, ash calcium powder 10%, calcined kaolin 10%, silica sand 5% %, thickener 2%, wood fiber 2%, dispersible rubber powder 5%, thixotropic lubricant 0.5%, water reducer 0.5%. Add the weighed components into a high-speed disperser and stir at 400 r / min for 1.5 h to obtain a mixed dry powder; add water and stir for 20 min according to the mass ratio of the mixed dry powder to water at 1:1.2, and the stirring speed is controlled At 1500 r / min, the obtained slurry can be used for construction.

[0028] Then, a composite functional material whose sepiolite content is higher than that of diatomite is prepared for use in Examples 4-6. The specific preparation process steps are: (1) according to the mass ratio of diatomite 30%, sepiolite 40%, TiOSO 4 Powder 15%, ZnSO 4 Prepare mi...

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Abstract

The invention discloses a sepiolite / diatomite-based environment-friendly indoor wall material with a coordination function. A composite functional material is prepared through the hydrolysis precipitation method. Mixed powder is prepared from, by mass, 20-40% of diatomite, 20-40% of sepiolite, 15-20% of TiOSO4 powder and 15-20% of ZnSO4 powder, and water is added into the mixed powder according to the liquid-solid ratio of (40-50):1 and evenly stirred; diluted ammonia water with the mass concentration of 10% is slowly added into the solution dropwise, and the pH value of the solution is adjusted to be 5-7; precipitate is filtered and washed with water and then dried; the dried product is forged for 2-3 h at 450-550 DEG C. Filler is prepared from heavy calcium carbonate, ash-calcium powder, forged kaolin and silica sand. An auxiliary is prepared from thickener, wood fiber, redispersible rubber powder, thixotropic lubricant and water reducer. The composite functional material, the filler and the auxiliary are stirred and mixed to prepare the environment-friendly indoor wall material, the problem that nano TiO2 and nano ZnO are poor in dispersity in an environment-friendly indoor wall material is effectively solved, and meanwhile the components are coordinated and promote one another between the humidity adjusting, antibacterial and air purifying functions.

Description

technical field [0001] The invention discloses a sepiolite / diatomite-based environmental protection indoor wall material with coordination function, which belongs to the technical field of indoor building materials. Background technique [0002] With the improvement of people's living standards and the enhancement of health and environmental protection awareness, the quality of indoor environment has been paid more and more attention. In the process of interior wall decoration, people choose wall materials not only to pay attention to the beautiful decoration, but also to pay attention to the harmlessness and functionality of materials. Among them, natural mineral-based environmentally friendly indoor wall materials with multiple functions are becoming more and more popular. preferred. At present, the functions of natural mineral-based environmentally friendly indoor wall materials mainly focus on the three major functions of humidity control, air purification, and antibact...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B26/04C04B14/38
CPCC04B26/045C04B40/0046C04B2111/00008C04B2111/00017C04B14/28C04B22/064C04B14/106C04B14/06C04B16/02C04B24/383C04B24/287C04B24/24C04B14/305C04B14/30C04B14/08C04B14/4643
Inventor 吉凤英薛祥吉
Owner 盐城市绿之韵环保建材有限公司
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