Environment-friendly composite calcium metasilicate plate and preparation method thereof

An environment-friendly, calcium silicate board technology, applied in the field of interior wall building boards, can solve the problems of increasing construction costs, single function cannot go out, and cannot inhibit bacterial reproduction, etc., to achieve the effect of improving the antibacterial effect

Inactive Publication Date: 2014-06-25
白山市东北亚新型建筑材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The commercially available calcium silicate boards in the prior art have a single function and cannot remove harmful gases such as formaldehyde generated during the decoration process, and cannot inhibit the reproduction of bacteria. Secondary treatment is required to meet the user's use standards, which increases construction costs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Preparation of calcium silicate substrate:

[0030] Diatomite accounts for 43.2% of the total weight; sepiolite accounts for 4.5% of the total weight; cement accounts for 35.7% of the total weight; wollastonite accounts for 4.3% of the total weight; quicklime accounts for 4.3% of the total weight; pulp accounts for 8.0% of the total weight.

[0031] First of all, the batching and slurry production section is batched and beaten, and then the boards are made by the copying board method, the billets are uncovered, stacked, and the mold is pre-cured and demoulded. It is further preserved in an autoclave, and then dried, edged and chamfered, and sanded to obtain a calcium silicate substrate.

[0032] Preparation of Nano-TiO Photocatalyst Water-Based Suspension

[0033] Titanium dioxide powder accounts for 4% of the total weight; polyethylene glycol accounts for 3% of the total weight; phosphate accounts for 5% of the total weight; gelatin accounts for 0.5% of the total weig...

Embodiment 2

[0036] Calcium silicate substrate preparation;

[0037] Diatomite accounts for 41.8% of the total weight; sepiolite accounts for 4.6% of the total weight; cement accounts for 37.5% of the total weight; wollastonite accounts for 4.6% of the total weight; quicklime accounts for 4.6% of the total weight; wood pulp accounts for 6.9% of the total weight.

[0038] First of all, the batching and slurry production section is batched and beaten, and then the boards are made by the copying board method, the billets are uncovered, stacked, and the mold is pre-cured and demoulded. It is further preserved in an autoclave, and then dried, edged and chamfered, and sanded to obtain a calcium silicate substrate.

[0039] Preparation of Nano-TiO Photocatalyst Water-Based Suspension

[0040] Titanium dioxide powder accounts for 2% of the total weight; oleic acid amine accounts for 5% of the total weight; inorganic acid ester accounts for 1% of the total weight; polyoxyethylene ether accounts fo...

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PUM

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Abstract

The invention discloses an environment-friendly composite calcium metasilicate plate and a preparation method thereof. The preparation method comprises the following step: coating a nanometer titania photocatalyst aqueous suspension on a base plate of the calcium metasilicate plate in a rolling coating or spraying coating manner to obtain the environment-friendly composite calcium metasilicate plate, wherein the base plate of the calcium metasilicate plate is prepared from a silicon material, a calcium material, reinforced fibers and assistants; the nanometer titania photocatalyst aqueous suspension comprises titanium dioxide powder with the fineness of not greater than 50nm, a surface active agent, an adhesive and water. According to the preparation method, the nanometer titania photocatalyst aqueous suspension is coated on the base plate of the calcium metasilicate plate to form a water-based film; the water-based film is coated on the surface of a base material and then dried to form a membrane which can be used for highly catalyzing and degrading under the effect of light, so that indoor formaldehyde can be absorbed and degraded, and the antibacterial effect is also improved.

Description

technical field [0001] The invention relates to a board for interior wall construction, in particular to an environment-friendly composite calcium silicate board and a preparation method thereof. Background technique [0002] Calcium silicate board is made of high-quality high-grade cement as the base material and reinforced with natural fibers. It is made by advanced production technology molding, pressurization, high-temperature steam curing and other special technical treatments. It is a new type of building and building with excellent performance. Industrial boards, its products have the advantages of fire prevention, moisture resistance, sound insulation, insect resistance, and strong durability. The commercially available calcium silicate boards in the prior art have single functions and cannot remove harmful gases such as formaldehyde generated during the decoration process, and cannot inhibit the reproduction of bacteria. Secondary treatment is required to meet the u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B41/45
Inventor 潘长发李北光孙强
Owner 白山市东北亚新型建筑材料有限公司
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