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A kind of hemihydrate gypsum base material imitation stone floor and its preparation method

A hemihydrate gypsum and base material technology, which is applied in the field of hemihydrate gypsum base material imitation stone flooring and its preparation, can solve the problem of low bond strength and dynamic crack resistance, long spray drying time, and poor waterproof performance of imitation stone coatings and other problems, to achieve the effect of reducing sodium content, reducing content, and avoiding pulverization

Inactive Publication Date: 2016-08-24
GUIZHOU KAILIN GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] For this reason, this researcher combined the above-mentioned technical defects and technical advantages, used hemihydrate gypsum as the raw material of floor building materials, and made the floor into imitation stone floor, and then provided a new idea and concept for the application of imitation stone coating in building materials products. A new choice, which improves the defects of stone-like coatings such as poor waterproof performance, long spray drying time, low bond strength and low dynamic crack resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of hemihydrate gypsum substrate imitation stone floor, its raw material composition is hemihydrate gypsum 90kg, bamboo charcoal fiber 0.1kg, cement 5kg, calcite powder 10kg, polyvinyl alcohol 3kg, methylcellulose 2kg, ethylcellulose 3kg, imitation Stone paint 20kg.

[0023] The cement is 52.5R grade magnesium oxyhalide cement.

[0024] The magnesium oxyhalide cement is magnesium oxychloride cement.

[0025] The calcite powder is 300 mesh.

[0026] The preparation method of the hemihydrate gypsum substrate imitation stone floor is to add the hemihydrate gypsum into the mixing tank, and add 2% of the weight of the hemihydrate gypsum to it. The clarified lime water has a temperature of 120° C. After that, leave it to stand for 20 minutes, and then use a stirring speed of 60r / min to stir it for 30 minutes, then add calcite powder to it, continue stirring it for 5 minutes, then add bamboo charcoal fiber, methyl cellulose, ethyl cellulose, etc. Cellulose, and adjust...

Embodiment 2

[0028] A kind of hemihydrate gypsum substrate imitation stone floor, its raw material composition is hemihydrate gypsum 100kg, bamboo charcoal fiber 2kg, cement 9kg, calcite powder 15kg, polyvinyl alcohol 6kg, methyl cellulose 5kg, ethyl cellulose 7kg, imitation stone Paint 30kg.

[0029] The cement is 52.5R grade magnesium oxyhalide cement.

[0030] The magnesium oxyhalide cement is magnesium oxyfluoride cement.

[0031] The calcite powder is 400 mesh.

[0032]The preparation method of the hemihydrate gypsum substrate imitation stone floor is to add the hemihydrate gypsum into the mixing tank, and add 3% clarified lime water of the weight of the hemihydrate gypsum to it, the temperature of the clarified lime water is 130 ℃, add After that, it is left to stand for aging treatment for 30 minutes, and then the stirring speed is 70r / min for 50 minutes, and then calcite powder is added thereto, and the stirring treatment is continued for 10 minutes, and then bamboo charcoal fibe...

Embodiment 3

[0034] On the basis of embodiment 1, others are all the same as embodiment 1, a kind of hemihydrate gypsum substrate imitation stone floor, its raw material composition is hemihydrate gypsum 95kg, bamboo charcoal fiber 1kg, cement 7kg, calcite powder 13kg, polyvinyl alcohol 5kg , methyl cellulose 3kg, ethyl cellulose 5kg, imitation stone paint 25kg.

[0035] The calcite powder is 350 mesh.

[0036] The preparation method of the hemihydrate gypsum base imitation stone floor is to add the hemihydrate gypsum into the mixing tank, and add 2.5% clarified lime water of the weight of the hemihydrate gypsum to it, the temperature of the clarified lime water is 125 ℃, add After that, it is left to stand for 25 minutes, and then the stirring speed is 65r / min for 40 minutes, and then calcite powder is added to it, and the stirring is continued for 7 minutes, and then bamboo charcoal fiber, methyl cellulose, ethyl Cellulose, and adjust its temperature to 60°C, and use a stirring speed of...

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Abstract

The invention relates to the technical field of chemical building materials, in particular to a hemihydrate gypsum base material imitation stone floor and a preparation method thereof. By properly proportioning hemihydrate gypsum, bamboo carbon fibers, cement, calcite powder, polyvinyl alcohol, methylcellulose, ethylcellulose and imitation stone paint, the hemihydrate gypsum is further activated in an environment with the cement, and the activity of the hemihydrate gypsum is improved; moreover, through the addition of polyvinyl alcohol, methylcellulose, ethylcellulose, the bamboo carbon fibers and the calcite powder, the strength and toughness of a base material of a product made from the hemihydrate gypsum are enhanced, characteristics of heat retaining property and light weight of the hemihydrate gypsum also can be reserved, the radioactivity of the hemihydrate gypsum product is also reduced, and the product quality is improved.

Description

technical field [0001] The invention relates to the technical field of chemical building materials, in particular to a hemihydrate gypsum base material imitation stone floor and a preparation method thereof. Background technique [0002] In the prior art, the use of imitation stone paint is still applied on substrate products with higher hardness and better strength. For example, after cement is poured into a substrate plate, the imitation stone paint is sprayed on its surface. , so as to achieve the imitation stone effect. Moreover, this kind of imitation is mostly used in the construction of scenic spots, Buddhist holy places and other scenic spots. However, the waterproof effect of stone-like coatings in the prior art is not ideal, the spray drying time is long, the bonding strength and dynamic crack resistance are not high, which affects the durability of the coating, shortens the life of the building, and causes the stone-like effect poor. [0003] However, based on ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/14C04B28/32C04B24/38C04B41/61
Inventor 杨永彬杨步雷向前勇王伟刘小成胡新菊李泽钢
Owner GUIZHOU KAILIN GRP CO LTD
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