Low-density and aerated foaming gypsum block
A foamed gypsum and block technology, which is applied in the field of building materials, can solve the problems of large influence on the strength of gypsum products, loose internal structure, and excessive bubble diameter.
Inactive Publication Date: 2013-08-14
张家港市创成纺织有限公司
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Problems solved by technology
However, the bulk density of the product is generally larger than that of similar foreign products, resulting in large holes, pores, and capillary structures on the inner surface of the gypsum product, and the internal structure is loose, thus affecting its strength and waterproof performance.
[0003] At present, foreign developed countries usually add some foaming agents with better performance when producing building gypsum products, which can ef
Method used
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Experimental program
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Example Embodiment
[0008] Weigh 55% of gypsum powder; 25% of fly ash; 15% of cement; 10% of limestone; 0.15% of gas generating agent; 0.2% of calcium carbide; and 0.15% of retarder.
[0009] The preparation method is:
[0010] (1) Add a proper amount of water to the gas generating agent into the tank and stir evenly.
[0011] (2) The stirring time is 30-40min, and the rotation speed is 1500-2000r / min.
[0012] (3) Under the stirring state, put in the solid powder and stir for 10-15 minutes and stir evenly.
[0013] (4) Let it stand for 10 minutes and infuse the model.
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The invention relates to a low-density and aerated foaming gypsum block. The low-density aerated foaming gypsum block mainly comprises gypsum powder, coal ash, cement, limestone, gas forming agent, calcium carbide, retarders and the like. The low-density aerated foaming gypsum block has the characteristics of low volume density, high strength, light weight, good anti-seismic property, thermal insulation, damp proofing and sound insulation, good workability, fire proofing and flame retardance and the like.
Description
technical field [0001] The invention relates to a low-density aerated foamed gypsum block, which belongs to the field of building materials. Background technique [0002] As one of the main building cementing materials, gypsum has an irreplaceable role, and its building gypsum products are one of them, which have been produced and applied in my country for many years. However, the bulk density of the product is generally higher than that of similar foreign products, resulting in large holes, pores, and capillary structures on the inner surface of the gypsum product, and the internal structure is loose, thereby affecting its strength and waterproof performance. [0003] At present, foreign developed countries usually add some foaming agents with better performance when producing building gypsum products, which can effectively reduce the volume density of gypsum products. At present, some enterprises in China also use air-entraining foaming agents when producing gypsum product...
Claims
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Login to view more IPC IPC(8): C04B38/02C04B28/14C04B22/04
Inventor 陈宗达
Owner 张家港市创成纺织有限公司
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