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a wallboard

A technology of wall panels and metal panels, applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of easy corrosion of exterior wall decorative panels, easy water seepage in joint gaps, poor radiation resistance, etc. The preparation process is simple and feasible, the compatibility is reasonable, and the effect of water and moisture resistance is strong

Active Publication Date: 2016-04-13
广东基业长青建筑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the wallboard of this structure has the function of sound insulation and sound absorption, there is a technical problem of short service life due to the paper surface layer on the surface layer.
The new patent No. 200420044045.0 discloses a metal-faced foamed gypsum composite decorative board. The composite board has a longer service life due to the cladding of a metal panel on the foamed gypsum core layer. However, as an exterior wall decoration There are technical problems such as easy rust, antistatic, and poor radiation resistance; in addition, when multiple composite panels are spliced ​​and combined as exterior wall decoration, the joint gaps are prone to water seepage

Method used

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Examples

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Embodiment 1

[0023] A kind of wallboard, it comprises gypsum core material layer 2, is provided with veneer layer 3 below described gypsum core material layer 2; The metal plate layer 1 of the metal thread layer, the underside of the metal plate layer 1 on the two sides is provided with a gutter 4 that facilitates the flow of rainwater;

[0024] The gypsum core material layer is prepared from the following raw materials in parts by weight:

[0025] 70 parts of water, 2 parts of ordinary Portland cement, 3 parts of diatomite, 3 parts of lithium bentonite, 5 parts of polylactic acid, 5 parts of starch ether, 5 parts of slaked lime, 6 parts of borax, 6 parts of dolomite, hydroxymethyl 10 parts of cellulose, 15 parts of egg shells, 15 parts of straw, 20 parts of fly ash, and 50 parts of gypsum powder.

[0026] The preparation method of above-mentioned gypsum core material layer comprises the steps:

[0027] Step 1): Weighing each raw material according to the weight part for subsequent use; ...

Embodiment 2

[0036] A kind of wallboard, it comprises gypsum core material layer, the underside of described gypsum core material layer is provided with veneer layer; The top and both sides of described gypsum core material layer are covered with antistatic paint and wire thread layer The metal plate layer, the bottom of the metal plate layer on the two sides is provided with a water tank to facilitate the flow of rainwater;

[0037] The gypsum core material layer is prepared from the following raw materials in parts by weight:

[0038] 80 parts of water, 3 parts of ordinary portland cement, 4 parts of diatomite, 5 parts of lithium bentonite, 7 parts of polylactic acid, 7 parts of starch ether, 7 parts of slaked lime, 9 parts of borax, 9 parts of dolomite, hydroxymethyl 12 parts of cellulose, 18 parts of egg shells, 18 parts of straw, 30 parts of fly ash, and 60 parts of gypsum powder.

[0039] The preparation method of above-mentioned gypsum core material layer comprises the steps:

[0...

Embodiment 3

[0049] The performance parameter test of the gypsum core material layer prepared in Example 1 and Example 2 of the present invention: the specific test results are shown in Table 1, and the Saint-Gobain formaldehyde-purified gypsum core material layer commonly used in the market is used as a comparison.

[0050] Table 1

[0051] group

[0052] After testing, the gypsum core layer prepared in Example 2 of the present invention can remove more than 59% of free formaldehyde in the living room (39% for the control group), and more than 38% of benzene. It can be seen that the gypsum core material layer prepared by the present invention has good waterproof and moisture resistance, is environmentally friendly and pollution-free, and can effectively remove harmful gases such as formaldehyde and benzene; performance parameters such as compressive strength, thermal conductivity and 2h water absorption thickness expansion rate are all equal. It has been greatly improved and has...

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Abstract

The invention belongs to the field of building materials and discloses a novel wallboard. The novel wallboard comprises a gypsum core material layer, wherein a facing layer is arranged on the lower face of the gypsum core material layer; metal lamellar layers with anti-static pant and metal thread layers cover the upper face and two side faces of the gypsum core material layer; and a water flowing channel in which rainwater can conveniently flow is formed on the lower face of the side metal plate layer on each side. According to the novel wallboard disclosed by the invention, gypsum has the anti-static and anti-radiation ability, and the novel wallboard is good in waterproof and moisture proof effects.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a wallboard, in particular to a wallboard comprising a gypsum core material layer. Background technique [0002] At present, most of the interior and exterior wallboards used for walls are composed of paper-faced gypsum core material layers. The paper-faced gypsum core material layer of the prior art includes a gypsum core material layer core layer, and the core layer of the gypsum core material layer core layer The upper and lower layers are provided with a paper surface layer; the gypsum core material layer is made of natural gypsum, activated carbon, cornstarch and paper fiber according to a certain ratio, and is produced by stirring, forming, cutting, drying and other processes. Although the wallboard of this structure has the effect of sound insulation and sound absorption, it has the technical problem of short service life due to the paper surface layer on the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/14C04B14/08C04B24/38C04B18/08
CPCY02W30/91
Inventor 冯来军宋保德张行
Owner 广东基业长青建筑科技有限公司
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